./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/parallel-misc-1.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d7a8e3f-c814-4e41-8e0b-7ad1e4b89a76/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d7a8e3f-c814-4e41-8e0b-7ad1e4b89a76/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_4d7a8e3f-c814-4e41-8e0b-7ad1e4b89a76/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d7a8e3f-c814-4e41-8e0b-7ad1e4b89a76/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/parallel-misc-1.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d7a8e3f-c814-4e41-8e0b-7ad1e4b89a76/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_4d7a8e3f-c814-4e41-8e0b-7ad1e4b89a76/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 faddac23864cc4e42f962ac43a8d0f59593853dbb1d55e3baabe0c76b2187dd4 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 05:38:45,780 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 05:38:45,845 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d7a8e3f-c814-4e41-8e0b-7ad1e4b89a76/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-11-29 05:38:45,850 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 05:38:45,850 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 05:38:45,874 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 05:38:45,875 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 05:38:45,876 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 05:38:45,876 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-29 05:38:45,877 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-29 05:38:45,878 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 05:38:45,878 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 05:38:45,879 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 05:38:45,879 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 05:38:45,880 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-29 05:38:45,880 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-29 05:38:45,881 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-29 05:38:45,881 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-29 05:38:45,881 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 05:38:45,882 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-29 05:38:45,882 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-29 05:38:45,883 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-29 05:38:45,883 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-11-29 05:38:45,884 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-29 05:38:45,884 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-29 05:38:45,885 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 05:38:45,885 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 05:38:45,886 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 05:38:45,886 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 05:38:45,887 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-29 05:38:45,887 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 05:38:45,887 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 05:38:45,888 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-29 05:38:45,888 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-29 05:38:45,888 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-29 05:38:45,888 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-29 05:38:45,889 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-29 05:38:45,889 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-29 05:38:45,889 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-29 05:38:45,889 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-29 05:38:45,889 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-29 05:38:45,890 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_4d7a8e3f-c814-4e41-8e0b-7ad1e4b89a76/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d7a8e3f-c814-4e41-8e0b-7ad1e4b89a76/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> faddac23864cc4e42f962ac43a8d0f59593853dbb1d55e3baabe0c76b2187dd4 [2023-11-29 05:38:46,110 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 05:38:46,131 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 05:38:46,134 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 05:38:46,135 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 05:38:46,135 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 05:38:46,137 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d7a8e3f-c814-4e41-8e0b-7ad1e4b89a76/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/weaver/parallel-misc-1.wvr.c [2023-11-29 05:38:48,950 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 05:38:49,111 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 05:38:49,112 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d7a8e3f-c814-4e41-8e0b-7ad1e4b89a76/sv-benchmarks/c/weaver/parallel-misc-1.wvr.c [2023-11-29 05:38:49,119 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d7a8e3f-c814-4e41-8e0b-7ad1e4b89a76/bin/uautomizer-verify-BQ2R08f2Ya/data/123d9031a/ceb1037ca0304b15a284d86d65c7e1d3/FLAG7bd1fcb56 [2023-11-29 05:38:49,132 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d7a8e3f-c814-4e41-8e0b-7ad1e4b89a76/bin/uautomizer-verify-BQ2R08f2Ya/data/123d9031a/ceb1037ca0304b15a284d86d65c7e1d3 [2023-11-29 05:38:49,134 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 05:38:49,136 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 05:38:49,137 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 05:38:49,137 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 05:38:49,144 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 05:38:49,145 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 05:38:49" (1/1) ... [2023-11-29 05:38:49,146 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@16df5103 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:38:49, skipping insertion in model container [2023-11-29 05:38:49,146 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 05:38:49" (1/1) ... [2023-11-29 05:38:49,169 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 05:38:49,345 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 05:38:49,355 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 05:38:49,392 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 05:38:49,406 INFO L206 MainTranslator]: Completed translation [2023-11-29 05:38:49,406 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:38:49 WrapperNode [2023-11-29 05:38:49,406 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 05:38:49,407 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 05:38:49,407 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 05:38:49,407 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 05:38:49,413 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:38:49" (1/1) ... [2023-11-29 05:38:49,427 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:38:49" (1/1) ... [2023-11-29 05:38:49,470 INFO L138 Inliner]: procedures = 23, calls = 42, calls flagged for inlining = 18, calls inlined = 32, statements flattened = 530 [2023-11-29 05:38:49,471 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 05:38:49,472 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 05:38:49,472 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 05:38:49,472 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 05:38:49,482 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:38:49" (1/1) ... [2023-11-29 05:38:49,482 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:38:49" (1/1) ... [2023-11-29 05:38:49,490 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:38:49" (1/1) ... [2023-11-29 05:38:49,490 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:38:49" (1/1) ... [2023-11-29 05:38:49,513 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:38:49" (1/1) ... [2023-11-29 05:38:49,520 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:38:49" (1/1) ... [2023-11-29 05:38:49,523 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:38:49" (1/1) ... [2023-11-29 05:38:49,527 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:38:49" (1/1) ... [2023-11-29 05:38:49,532 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 05:38:49,534 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 05:38:49,534 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 05:38:49,534 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 05:38:49,535 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:38:49" (1/1) ... [2023-11-29 05:38:49,542 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 05:38:49,551 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d7a8e3f-c814-4e41-8e0b-7ad1e4b89a76/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:38:49,574 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d7a8e3f-c814-4e41-8e0b-7ad1e4b89a76/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-29 05:38:49,576 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d7a8e3f-c814-4e41-8e0b-7ad1e4b89a76/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-29 05:38:49,607 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 05:38:49,607 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-29 05:38:49,607 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-29 05:38:49,607 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-29 05:38:49,608 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-29 05:38:49,608 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-29 05:38:49,608 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-29 05:38:49,608 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-29 05:38:49,608 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-29 05:38:49,608 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 05:38:49,609 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 05:38:49,609 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-29 05:38:49,609 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-29 05:38:49,611 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 05:38:49,739 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 05:38:49,741 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 05:38:50,455 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 05:38:50,476 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 05:38:50,476 INFO L309 CfgBuilder]: Removed 3 assume(true) statements. [2023-11-29 05:38:50,478 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 05:38:50 BoogieIcfgContainer [2023-11-29 05:38:50,479 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 05:38:50,482 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-29 05:38:50,482 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-29 05:38:50,484 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-29 05:38:50,485 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 05:38:49" (1/3) ... [2023-11-29 05:38:50,485 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@33a223ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 05:38:50, skipping insertion in model container [2023-11-29 05:38:50,485 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:38:49" (2/3) ... [2023-11-29 05:38:50,486 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@33a223ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 05:38:50, skipping insertion in model container [2023-11-29 05:38:50,486 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 05:38:50" (3/3) ... [2023-11-29 05:38:50,487 INFO L112 eAbstractionObserver]: Analyzing ICFG parallel-misc-1.wvr.c [2023-11-29 05:38:50,493 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-29 05:38:50,502 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-29 05:38:50,502 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 75 error locations. [2023-11-29 05:38:50,502 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-29 05:38:50,636 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-11-29 05:38:50,681 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 700 places, 726 transitions, 1466 flow [2023-11-29 05:38:50,933 INFO L124 PetriNetUnfolderBase]: 33/724 cut-off events. [2023-11-29 05:38:50,933 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2023-11-29 05:38:50,950 INFO L83 FinitePrefix]: Finished finitePrefix Result has 733 conditions, 724 events. 33/724 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 1883 event pairs, 0 based on Foata normal form. 0/616 useless extension candidates. Maximal degree in co-relation 463. Up to 2 conditions per place. [2023-11-29 05:38:50,950 INFO L82 GeneralOperation]: Start removeDead. Operand has 700 places, 726 transitions, 1466 flow [2023-11-29 05:38:50,964 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 678 places, 703 transitions, 1418 flow [2023-11-29 05:38:50,972 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-29 05:38:50,979 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;@31b7608a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-29 05:38:50,979 INFO L358 AbstractCegarLoop]: Starting to check reachability of 125 error locations. [2023-11-29 05:38:50,983 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-29 05:38:50,983 INFO L124 PetriNetUnfolderBase]: 0/25 cut-off events. [2023-11-29 05:38:50,983 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-29 05:38:50,983 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 05:38:50,984 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] [2023-11-29 05:38:50,984 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err21ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE (and 121 more)] === [2023-11-29 05:38:50,989 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:38:50,989 INFO L85 PathProgramCache]: Analyzing trace with hash 1061142959, now seen corresponding path program 1 times [2023-11-29 05:38:50,996 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:38:50,997 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1305953074] [2023-11-29 05:38:50,997 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:38:50,997 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:38:51,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:38:51,153 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 05:38:51,154 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:38:51,154 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1305953074] [2023-11-29 05:38:51,155 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1305953074] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:38:51,155 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:38:51,155 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 05:38:51,156 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [730586799] [2023-11-29 05:38:51,157 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:38:51,164 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 05:38:51,169 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:38:51,209 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 05:38:51,210 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 05:38:51,286 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 679 out of 726 [2023-11-29 05:38:51,295 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 678 places, 703 transitions, 1418 flow. Second operand has 3 states, 3 states have (on average 680.3333333333334) internal successors, (2041), 3 states have internal predecessors, (2041), 0 states have call successors, (0), 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 05:38:51,295 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 05:38:51,295 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 679 of 726 [2023-11-29 05:38:51,296 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 05:38:51,933 INFO L124 PetriNetUnfolderBase]: 28/2024 cut-off events. [2023-11-29 05:38:51,933 INFO L125 PetriNetUnfolderBase]: For 14/15 co-relation queries the response was YES. [2023-11-29 05:38:51,950 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2079 conditions, 2024 events. 28/2024 cut-off events. For 14/15 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 10760 event pairs, 6 based on Foata normal form. 82/1788 useless extension candidates. Maximal degree in co-relation 1818. Up to 32 conditions per place. [2023-11-29 05:38:51,963 INFO L140 encePairwiseOnDemand]: 701/726 looper letters, 19 selfloop transitions, 2 changer transitions 3/680 dead transitions. [2023-11-29 05:38:51,963 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 679 places, 680 transitions, 1414 flow [2023-11-29 05:38:51,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 05:38:51,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 05:38:51,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2081 transitions. [2023-11-29 05:38:51,985 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9554637281910009 [2023-11-29 05:38:51,986 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 2081 transitions. [2023-11-29 05:38:51,986 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 2081 transitions. [2023-11-29 05:38:51,990 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 05:38:51,993 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 2081 transitions. [2023-11-29 05:38:52,002 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 693.6666666666666) internal successors, (2081), 3 states have internal predecessors, (2081), 0 states have call successors, (0), 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 05:38:52,014 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 726.0) internal successors, (2904), 4 states have internal predecessors, (2904), 0 states have call successors, (0), 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 05:38:52,017 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 726.0) internal successors, (2904), 4 states have internal predecessors, (2904), 0 states have call successors, (0), 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 05:38:52,019 INFO L175 Difference]: Start difference. First operand has 678 places, 703 transitions, 1418 flow. Second operand 3 states and 2081 transitions. [2023-11-29 05:38:52,020 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 679 places, 680 transitions, 1414 flow [2023-11-29 05:38:52,029 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 675 places, 680 transitions, 1406 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-11-29 05:38:52,043 INFO L231 Difference]: Finished difference. Result has 675 places, 677 transitions, 1362 flow [2023-11-29 05:38:52,046 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=726, PETRI_DIFFERENCE_MINUEND_FLOW=1364, PETRI_DIFFERENCE_MINUEND_PLACES=673, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=680, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=678, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1362, PETRI_PLACES=675, PETRI_TRANSITIONS=677} [2023-11-29 05:38:52,050 INFO L281 CegarLoopForPetriNet]: 678 programPoint places, -3 predicate places. [2023-11-29 05:38:52,050 INFO L495 AbstractCegarLoop]: Abstraction has has 675 places, 677 transitions, 1362 flow [2023-11-29 05:38:52,052 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 680.3333333333334) internal successors, (2041), 3 states have internal predecessors, (2041), 0 states have call successors, (0), 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 05:38:52,052 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 05:38:52,052 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] [2023-11-29 05:38:52,052 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-29 05:38:52,053 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err21ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE (and 121 more)] === [2023-11-29 05:38:52,053 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:38:52,053 INFO L85 PathProgramCache]: Analyzing trace with hash 1463213814, now seen corresponding path program 1 times [2023-11-29 05:38:52,053 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:38:52,054 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [980129153] [2023-11-29 05:38:52,054 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:38:52,054 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:38:52,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:38:52,112 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 05:38:52,112 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:38:52,112 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [980129153] [2023-11-29 05:38:52,112 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [980129153] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:38:52,113 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:38:52,113 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 05:38:52,113 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1683235954] [2023-11-29 05:38:52,113 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:38:52,114 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 05:38:52,115 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:38:52,115 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 05:38:52,115 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 05:38:52,165 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 684 out of 726 [2023-11-29 05:38:52,169 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 675 places, 677 transitions, 1362 flow. Second operand has 3 states, 3 states have (on average 685.3333333333334) internal successors, (2056), 3 states have internal predecessors, (2056), 0 states have call successors, (0), 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 05:38:52,169 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 05:38:52,169 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 684 of 726 [2023-11-29 05:38:52,169 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 05:38:52,391 INFO L124 PetriNetUnfolderBase]: 19/896 cut-off events. [2023-11-29 05:38:52,391 INFO L125 PetriNetUnfolderBase]: For 8/9 co-relation queries the response was YES. [2023-11-29 05:38:52,403 INFO L83 FinitePrefix]: Finished finitePrefix Result has 933 conditions, 896 events. 19/896 cut-off events. For 8/9 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 3192 event pairs, 6 based on Foata normal form. 0/762 useless extension candidates. Maximal degree in co-relation 899. Up to 29 conditions per place. [2023-11-29 05:38:52,411 INFO L140 encePairwiseOnDemand]: 723/726 looper letters, 14 selfloop transitions, 2 changer transitions 0/676 dead transitions. [2023-11-29 05:38:52,411 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 673 places, 676 transitions, 1392 flow [2023-11-29 05:38:52,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 05:38:52,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 05:38:52,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2069 transitions. [2023-11-29 05:38:52,417 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9499540863177227 [2023-11-29 05:38:52,418 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 2069 transitions. [2023-11-29 05:38:52,418 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 2069 transitions. [2023-11-29 05:38:52,419 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 05:38:52,420 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 2069 transitions. [2023-11-29 05:38:52,426 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 689.6666666666666) internal successors, (2069), 3 states have internal predecessors, (2069), 0 states have call successors, (0), 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 05:38:52,432 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 726.0) internal successors, (2904), 4 states have internal predecessors, (2904), 0 states have call successors, (0), 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 05:38:52,435 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 726.0) internal successors, (2904), 4 states have internal predecessors, (2904), 0 states have call successors, (0), 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 05:38:52,435 INFO L175 Difference]: Start difference. First operand has 675 places, 677 transitions, 1362 flow. Second operand 3 states and 2069 transitions. [2023-11-29 05:38:52,436 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 673 places, 676 transitions, 1392 flow [2023-11-29 05:38:52,441 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 671 places, 676 transitions, 1388 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 05:38:52,453 INFO L231 Difference]: Finished difference. Result has 671 places, 676 transitions, 1360 flow [2023-11-29 05:38:52,454 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=726, PETRI_DIFFERENCE_MINUEND_FLOW=1356, PETRI_DIFFERENCE_MINUEND_PLACES=669, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=676, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=674, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1360, PETRI_PLACES=671, PETRI_TRANSITIONS=676} [2023-11-29 05:38:52,455 INFO L281 CegarLoopForPetriNet]: 678 programPoint places, -7 predicate places. [2023-11-29 05:38:52,455 INFO L495 AbstractCegarLoop]: Abstraction has has 671 places, 676 transitions, 1360 flow [2023-11-29 05:38:52,457 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 685.3333333333334) internal successors, (2056), 3 states have internal predecessors, (2056), 0 states have call successors, (0), 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 05:38:52,458 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 05:38:52,458 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] [2023-11-29 05:38:52,458 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-29 05:38:52,458 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err21ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE (and 121 more)] === [2023-11-29 05:38:52,459 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:38:52,459 INFO L85 PathProgramCache]: Analyzing trace with hash -342707469, now seen corresponding path program 1 times [2023-11-29 05:38:52,459 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:38:52,459 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [638558201] [2023-11-29 05:38:52,460 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:38:52,460 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:38:52,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:38:52,517 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 05:38:52,517 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:38:52,517 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [638558201] [2023-11-29 05:38:52,518 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [638558201] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:38:52,518 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:38:52,518 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 05:38:52,518 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [53525141] [2023-11-29 05:38:52,518 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:38:52,519 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 05:38:52,519 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:38:52,520 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 05:38:52,520 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 05:38:52,538 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 690 out of 726 [2023-11-29 05:38:52,541 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 671 places, 676 transitions, 1360 flow. Second operand has 3 states, 3 states have (on average 691.3333333333334) internal successors, (2074), 3 states have internal predecessors, (2074), 0 states have call successors, (0), 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 05:38:52,541 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 05:38:52,541 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 690 of 726 [2023-11-29 05:38:52,542 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 05:38:52,696 INFO L124 PetriNetUnfolderBase]: 13/899 cut-off events. [2023-11-29 05:38:52,696 INFO L125 PetriNetUnfolderBase]: For 2/3 co-relation queries the response was YES. [2023-11-29 05:38:52,704 INFO L83 FinitePrefix]: Finished finitePrefix Result has 919 conditions, 899 events. 13/899 cut-off events. For 2/3 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 2875 event pairs, 1 based on Foata normal form. 0/766 useless extension candidates. Maximal degree in co-relation 877. Up to 11 conditions per place. [2023-11-29 05:38:52,710 INFO L140 encePairwiseOnDemand]: 723/726 looper letters, 8 selfloop transitions, 2 changer transitions 0/675 dead transitions. [2023-11-29 05:38:52,711 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 672 places, 675 transitions, 1378 flow [2023-11-29 05:38:52,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 05:38:52,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 05:38:52,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2081 transitions. [2023-11-29 05:38:52,716 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9554637281910009 [2023-11-29 05:38:52,716 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 2081 transitions. [2023-11-29 05:38:52,716 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 2081 transitions. [2023-11-29 05:38:52,718 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 05:38:52,718 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 2081 transitions. [2023-11-29 05:38:52,722 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 693.6666666666666) internal successors, (2081), 3 states have internal predecessors, (2081), 0 states have call successors, (0), 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 05:38:52,727 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 726.0) internal successors, (2904), 4 states have internal predecessors, (2904), 0 states have call successors, (0), 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 05:38:52,729 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 726.0) internal successors, (2904), 4 states have internal predecessors, (2904), 0 states have call successors, (0), 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 05:38:52,729 INFO L175 Difference]: Start difference. First operand has 671 places, 676 transitions, 1360 flow. Second operand 3 states and 2081 transitions. [2023-11-29 05:38:52,729 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 672 places, 675 transitions, 1378 flow [2023-11-29 05:38:52,733 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 670 places, 675 transitions, 1374 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 05:38:52,740 INFO L231 Difference]: Finished difference. Result has 670 places, 675 transitions, 1358 flow [2023-11-29 05:38:52,741 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=726, PETRI_DIFFERENCE_MINUEND_FLOW=1354, PETRI_DIFFERENCE_MINUEND_PLACES=668, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=675, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=673, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1358, PETRI_PLACES=670, PETRI_TRANSITIONS=675} [2023-11-29 05:38:52,742 INFO L281 CegarLoopForPetriNet]: 678 programPoint places, -8 predicate places. [2023-11-29 05:38:52,742 INFO L495 AbstractCegarLoop]: Abstraction has has 670 places, 675 transitions, 1358 flow [2023-11-29 05:38:52,744 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 691.3333333333334) internal successors, (2074), 3 states have internal predecessors, (2074), 0 states have call successors, (0), 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 05:38:52,744 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 05:38:52,744 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] [2023-11-29 05:38:52,744 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-29 05:38:52,744 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err21ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE (and 121 more)] === [2023-11-29 05:38:52,745 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:38:52,745 INFO L85 PathProgramCache]: Analyzing trace with hash -2107415857, now seen corresponding path program 1 times [2023-11-29 05:38:52,745 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:38:52,745 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [574635249] [2023-11-29 05:38:52,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:38:52,746 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:38:52,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:38:52,795 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 05:38:52,795 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:38:52,795 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [574635249] [2023-11-29 05:38:52,795 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [574635249] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:38:52,796 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:38:52,796 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 05:38:52,796 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [152367541] [2023-11-29 05:38:52,796 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:38:52,797 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 05:38:52,797 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:38:52,797 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 05:38:52,798 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 05:38:52,819 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 690 out of 726 [2023-11-29 05:38:52,822 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 670 places, 675 transitions, 1358 flow. Second operand has 3 states, 3 states have (on average 691.3333333333334) internal successors, (2074), 3 states have internal predecessors, (2074), 0 states have call successors, (0), 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 05:38:52,822 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 05:38:52,822 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 690 of 726 [2023-11-29 05:38:52,822 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 05:38:52,954 INFO L124 PetriNetUnfolderBase]: 11/684 cut-off events. [2023-11-29 05:38:52,954 INFO L125 PetriNetUnfolderBase]: For 3/4 co-relation queries the response was YES. [2023-11-29 05:38:52,962 INFO L83 FinitePrefix]: Finished finitePrefix Result has 703 conditions, 684 events. 11/684 cut-off events. For 3/4 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 1927 event pairs, 1 based on Foata normal form. 0/587 useless extension candidates. Maximal degree in co-relation 653. Up to 11 conditions per place. [2023-11-29 05:38:52,968 INFO L140 encePairwiseOnDemand]: 723/726 looper letters, 8 selfloop transitions, 2 changer transitions 0/674 dead transitions. [2023-11-29 05:38:52,969 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 671 places, 674 transitions, 1376 flow [2023-11-29 05:38:52,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 05:38:52,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 05:38:52,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2081 transitions. [2023-11-29 05:38:52,975 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9554637281910009 [2023-11-29 05:38:52,975 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 2081 transitions. [2023-11-29 05:38:52,975 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 2081 transitions. [2023-11-29 05:38:52,977 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 05:38:52,977 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 2081 transitions. [2023-11-29 05:38:52,981 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 693.6666666666666) internal successors, (2081), 3 states have internal predecessors, (2081), 0 states have call successors, (0), 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 05:38:52,986 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 726.0) internal successors, (2904), 4 states have internal predecessors, (2904), 0 states have call successors, (0), 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 05:38:52,988 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 726.0) internal successors, (2904), 4 states have internal predecessors, (2904), 0 states have call successors, (0), 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 05:38:52,988 INFO L175 Difference]: Start difference. First operand has 670 places, 675 transitions, 1358 flow. Second operand 3 states and 2081 transitions. [2023-11-29 05:38:52,988 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 671 places, 674 transitions, 1376 flow [2023-11-29 05:38:52,992 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 669 places, 674 transitions, 1372 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 05:38:52,999 INFO L231 Difference]: Finished difference. Result has 669 places, 674 transitions, 1356 flow [2023-11-29 05:38:53,000 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=726, PETRI_DIFFERENCE_MINUEND_FLOW=1352, PETRI_DIFFERENCE_MINUEND_PLACES=667, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=674, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=672, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1356, PETRI_PLACES=669, PETRI_TRANSITIONS=674} [2023-11-29 05:38:53,001 INFO L281 CegarLoopForPetriNet]: 678 programPoint places, -9 predicate places. [2023-11-29 05:38:53,001 INFO L495 AbstractCegarLoop]: Abstraction has has 669 places, 674 transitions, 1356 flow [2023-11-29 05:38:53,003 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 691.3333333333334) internal successors, (2074), 3 states have internal predecessors, (2074), 0 states have call successors, (0), 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 05:38:53,003 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 05:38:53,003 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] [2023-11-29 05:38:53,003 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-29 05:38:53,004 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err21ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE (and 121 more)] === [2023-11-29 05:38:53,004 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:38:53,004 INFO L85 PathProgramCache]: Analyzing trace with hash -94648125, now seen corresponding path program 1 times [2023-11-29 05:38:53,004 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:38:53,006 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [663041054] [2023-11-29 05:38:53,006 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:38:53,006 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:38:53,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:38:53,053 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 05:38:53,053 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:38:53,053 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [663041054] [2023-11-29 05:38:53,053 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [663041054] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:38:53,054 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:38:53,054 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 05:38:53,054 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [597021327] [2023-11-29 05:38:53,054 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:38:53,054 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 05:38:53,055 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:38:53,055 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 05:38:53,055 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 05:38:53,096 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 685 out of 726 [2023-11-29 05:38:53,099 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 669 places, 674 transitions, 1356 flow. Second operand has 3 states, 3 states have (on average 686.3333333333334) internal successors, (2059), 3 states have internal predecessors, (2059), 0 states have call successors, (0), 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 05:38:53,100 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 05:38:53,100 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 685 of 726 [2023-11-29 05:38:53,100 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 05:38:53,341 INFO L124 PetriNetUnfolderBase]: 22/1569 cut-off events. [2023-11-29 05:38:53,341 INFO L125 PetriNetUnfolderBase]: For 2/3 co-relation queries the response was YES. [2023-11-29 05:38:53,351 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1603 conditions, 1569 events. 22/1569 cut-off events. For 2/3 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 7419 event pairs, 4 based on Foata normal form. 0/1330 useless extension candidates. Maximal degree in co-relation 1545. Up to 22 conditions per place. [2023-11-29 05:38:53,358 INFO L140 encePairwiseOnDemand]: 723/726 looper letters, 13 selfloop transitions, 2 changer transitions 0/673 dead transitions. [2023-11-29 05:38:53,358 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 670 places, 673 transitions, 1384 flow [2023-11-29 05:38:53,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 05:38:53,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 05:38:53,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2071 transitions. [2023-11-29 05:38:53,363 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.950872359963269 [2023-11-29 05:38:53,364 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 2071 transitions. [2023-11-29 05:38:53,364 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 2071 transitions. [2023-11-29 05:38:53,365 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 05:38:53,365 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 2071 transitions. [2023-11-29 05:38:53,371 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 690.3333333333334) internal successors, (2071), 3 states have internal predecessors, (2071), 0 states have call successors, (0), 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 05:38:53,375 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 726.0) internal successors, (2904), 4 states have internal predecessors, (2904), 0 states have call successors, (0), 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 05:38:53,377 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 726.0) internal successors, (2904), 4 states have internal predecessors, (2904), 0 states have call successors, (0), 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 05:38:53,377 INFO L175 Difference]: Start difference. First operand has 669 places, 674 transitions, 1356 flow. Second operand 3 states and 2071 transitions. [2023-11-29 05:38:53,378 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 670 places, 673 transitions, 1384 flow [2023-11-29 05:38:53,381 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 668 places, 673 transitions, 1380 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 05:38:53,387 INFO L231 Difference]: Finished difference. Result has 668 places, 673 transitions, 1354 flow [2023-11-29 05:38:53,388 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=726, PETRI_DIFFERENCE_MINUEND_FLOW=1350, PETRI_DIFFERENCE_MINUEND_PLACES=666, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=673, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=671, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1354, PETRI_PLACES=668, PETRI_TRANSITIONS=673} [2023-11-29 05:38:53,389 INFO L281 CegarLoopForPetriNet]: 678 programPoint places, -10 predicate places. [2023-11-29 05:38:53,389 INFO L495 AbstractCegarLoop]: Abstraction has has 668 places, 673 transitions, 1354 flow [2023-11-29 05:38:53,391 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 686.3333333333334) internal successors, (2059), 3 states have internal predecessors, (2059), 0 states have call successors, (0), 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 05:38:53,391 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 05:38:53,391 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] [2023-11-29 05:38:53,391 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-29 05:38:53,392 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err21ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE (and 121 more)] === [2023-11-29 05:38:53,392 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:38:53,392 INFO L85 PathProgramCache]: Analyzing trace with hash -1270241961, now seen corresponding path program 1 times [2023-11-29 05:38:53,392 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:38:53,393 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1119321394] [2023-11-29 05:38:53,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:38:53,393 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:38:53,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:38:53,444 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 05:38:53,445 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:38:53,445 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1119321394] [2023-11-29 05:38:53,445 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1119321394] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:38:53,445 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:38:53,446 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 05:38:53,446 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1537063661] [2023-11-29 05:38:53,446 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:38:53,446 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 05:38:53,447 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:38:53,447 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 05:38:53,447 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 05:38:53,491 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 685 out of 726 [2023-11-29 05:38:53,494 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 668 places, 673 transitions, 1354 flow. Second operand has 3 states, 3 states have (on average 686.3333333333334) internal successors, (2059), 3 states have internal predecessors, (2059), 0 states have call successors, (0), 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 05:38:53,495 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 05:38:53,495 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 685 of 726 [2023-11-29 05:38:53,495 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 05:38:53,678 INFO L124 PetriNetUnfolderBase]: 14/733 cut-off events. [2023-11-29 05:38:53,679 INFO L125 PetriNetUnfolderBase]: For 6/7 co-relation queries the response was YES. [2023-11-29 05:38:53,689 INFO L83 FinitePrefix]: Finished finitePrefix Result has 763 conditions, 733 events. 14/733 cut-off events. For 6/7 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 2408 event pairs, 4 based on Foata normal form. 0/631 useless extension candidates. Maximal degree in co-relation 697. Up to 22 conditions per place. [2023-11-29 05:38:53,695 INFO L140 encePairwiseOnDemand]: 723/726 looper letters, 13 selfloop transitions, 2 changer transitions 0/672 dead transitions. [2023-11-29 05:38:53,695 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 669 places, 672 transitions, 1382 flow [2023-11-29 05:38:53,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 05:38:53,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 05:38:53,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2071 transitions. [2023-11-29 05:38:53,702 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.950872359963269 [2023-11-29 05:38:53,702 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 2071 transitions. [2023-11-29 05:38:53,702 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 2071 transitions. [2023-11-29 05:38:53,704 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 05:38:53,704 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 2071 transitions. [2023-11-29 05:38:53,711 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 690.3333333333334) internal successors, (2071), 3 states have internal predecessors, (2071), 0 states have call successors, (0), 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 05:38:53,717 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 726.0) internal successors, (2904), 4 states have internal predecessors, (2904), 0 states have call successors, (0), 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 05:38:53,718 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 726.0) internal successors, (2904), 4 states have internal predecessors, (2904), 0 states have call successors, (0), 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 05:38:53,718 INFO L175 Difference]: Start difference. First operand has 668 places, 673 transitions, 1354 flow. Second operand 3 states and 2071 transitions. [2023-11-29 05:38:53,718 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 669 places, 672 transitions, 1382 flow [2023-11-29 05:38:53,724 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 667 places, 672 transitions, 1378 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 05:38:53,733 INFO L231 Difference]: Finished difference. Result has 667 places, 672 transitions, 1352 flow [2023-11-29 05:38:53,734 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=726, PETRI_DIFFERENCE_MINUEND_FLOW=1348, PETRI_DIFFERENCE_MINUEND_PLACES=665, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=672, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=670, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1352, PETRI_PLACES=667, PETRI_TRANSITIONS=672} [2023-11-29 05:38:53,735 INFO L281 CegarLoopForPetriNet]: 678 programPoint places, -11 predicate places. [2023-11-29 05:38:53,735 INFO L495 AbstractCegarLoop]: Abstraction has has 667 places, 672 transitions, 1352 flow [2023-11-29 05:38:53,737 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 686.3333333333334) internal successors, (2059), 3 states have internal predecessors, (2059), 0 states have call successors, (0), 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 05:38:53,737 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 05:38:53,737 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] [2023-11-29 05:38:53,737 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-29 05:38:53,737 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err21ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE (and 121 more)] === [2023-11-29 05:38:53,738 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:38:53,738 INFO L85 PathProgramCache]: Analyzing trace with hash -1479745212, now seen corresponding path program 1 times [2023-11-29 05:38:53,738 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:38:53,738 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [325626881] [2023-11-29 05:38:53,738 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:38:53,739 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:38:53,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:38:53,783 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 05:38:53,783 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:38:53,783 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [325626881] [2023-11-29 05:38:53,783 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [325626881] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:38:53,784 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:38:53,784 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 05:38:53,784 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [324354172] [2023-11-29 05:38:53,784 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:38:53,784 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 05:38:53,785 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:38:53,785 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 05:38:53,785 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 05:38:53,823 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 684 out of 726 [2023-11-29 05:38:53,826 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 667 places, 672 transitions, 1352 flow. Second operand has 3 states, 3 states have (on average 685.3333333333334) internal successors, (2056), 3 states have internal predecessors, (2056), 0 states have call successors, (0), 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 05:38:53,826 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 05:38:53,826 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 684 of 726 [2023-11-29 05:38:53,826 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 05:38:53,978 INFO L124 PetriNetUnfolderBase]: 18/890 cut-off events. [2023-11-29 05:38:53,978 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2023-11-29 05:38:53,985 INFO L83 FinitePrefix]: Finished finitePrefix Result has 932 conditions, 890 events. 18/890 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 3406 event pairs, 6 based on Foata normal form. 0/762 useless extension candidates. Maximal degree in co-relation 858. Up to 28 conditions per place. [2023-11-29 05:38:53,989 INFO L140 encePairwiseOnDemand]: 723/726 looper letters, 14 selfloop transitions, 2 changer transitions 0/671 dead transitions. [2023-11-29 05:38:53,989 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 668 places, 671 transitions, 1382 flow [2023-11-29 05:38:53,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 05:38:53,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 05:38:53,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2069 transitions. [2023-11-29 05:38:53,996 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9499540863177227 [2023-11-29 05:38:53,996 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 2069 transitions. [2023-11-29 05:38:53,996 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 2069 transitions. [2023-11-29 05:38:53,997 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 05:38:53,997 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 2069 transitions. [2023-11-29 05:38:54,001 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 689.6666666666666) internal successors, (2069), 3 states have internal predecessors, (2069), 0 states have call successors, (0), 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 05:38:54,005 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 726.0) internal successors, (2904), 4 states have internal predecessors, (2904), 0 states have call successors, (0), 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 05:38:54,006 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 726.0) internal successors, (2904), 4 states have internal predecessors, (2904), 0 states have call successors, (0), 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 05:38:54,006 INFO L175 Difference]: Start difference. First operand has 667 places, 672 transitions, 1352 flow. Second operand 3 states and 2069 transitions. [2023-11-29 05:38:54,006 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 668 places, 671 transitions, 1382 flow [2023-11-29 05:38:54,009 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 666 places, 671 transitions, 1378 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 05:38:54,015 INFO L231 Difference]: Finished difference. Result has 666 places, 671 transitions, 1350 flow [2023-11-29 05:38:54,017 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=726, PETRI_DIFFERENCE_MINUEND_FLOW=1346, PETRI_DIFFERENCE_MINUEND_PLACES=664, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=671, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=669, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1350, PETRI_PLACES=666, PETRI_TRANSITIONS=671} [2023-11-29 05:38:54,017 INFO L281 CegarLoopForPetriNet]: 678 programPoint places, -12 predicate places. [2023-11-29 05:38:54,017 INFO L495 AbstractCegarLoop]: Abstraction has has 666 places, 671 transitions, 1350 flow [2023-11-29 05:38:54,018 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 685.3333333333334) internal successors, (2056), 3 states have internal predecessors, (2056), 0 states have call successors, (0), 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 05:38:54,018 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 05:38:54,018 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] [2023-11-29 05:38:54,019 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-29 05:38:54,019 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err21ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE (and 121 more)] === [2023-11-29 05:38:54,019 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:38:54,019 INFO L85 PathProgramCache]: Analyzing trace with hash 467328342, now seen corresponding path program 1 times [2023-11-29 05:38:54,019 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:38:54,020 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1884276261] [2023-11-29 05:38:54,020 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:38:54,020 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:38:54,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:38:54,065 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 05:38:54,065 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:38:54,066 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1884276261] [2023-11-29 05:38:54,066 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1884276261] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:38:54,066 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:38:54,066 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 05:38:54,066 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1823126927] [2023-11-29 05:38:54,066 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:38:54,067 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 05:38:54,067 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:38:54,068 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 05:38:54,068 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 05:38:54,105 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 684 out of 726 [2023-11-29 05:38:54,108 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 666 places, 671 transitions, 1350 flow. Second operand has 3 states, 3 states have (on average 685.3333333333334) internal successors, (2056), 3 states have internal predecessors, (2056), 0 states have call successors, (0), 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 05:38:54,108 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 05:38:54,108 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 684 of 726 [2023-11-29 05:38:54,108 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 05:38:54,261 INFO L124 PetriNetUnfolderBase]: 18/889 cut-off events. [2023-11-29 05:38:54,261 INFO L125 PetriNetUnfolderBase]: For 8/9 co-relation queries the response was YES. [2023-11-29 05:38:54,267 INFO L83 FinitePrefix]: Finished finitePrefix Result has 925 conditions, 889 events. 18/889 cut-off events. For 8/9 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 3211 event pairs, 6 based on Foata normal form. 0/761 useless extension candidates. Maximal degree in co-relation 843. Up to 28 conditions per place. [2023-11-29 05:38:54,271 INFO L140 encePairwiseOnDemand]: 723/726 looper letters, 14 selfloop transitions, 2 changer transitions 0/670 dead transitions. [2023-11-29 05:38:54,271 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 667 places, 670 transitions, 1380 flow [2023-11-29 05:38:54,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 05:38:54,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 05:38:54,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2069 transitions. [2023-11-29 05:38:54,278 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9499540863177227 [2023-11-29 05:38:54,278 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 2069 transitions. [2023-11-29 05:38:54,278 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 2069 transitions. [2023-11-29 05:38:54,279 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 05:38:54,279 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 2069 transitions. [2023-11-29 05:38:54,283 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 689.6666666666666) internal successors, (2069), 3 states have internal predecessors, (2069), 0 states have call successors, (0), 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 05:38:54,286 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 726.0) internal successors, (2904), 4 states have internal predecessors, (2904), 0 states have call successors, (0), 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 05:38:54,287 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 726.0) internal successors, (2904), 4 states have internal predecessors, (2904), 0 states have call successors, (0), 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 05:38:54,287 INFO L175 Difference]: Start difference. First operand has 666 places, 671 transitions, 1350 flow. Second operand 3 states and 2069 transitions. [2023-11-29 05:38:54,287 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 667 places, 670 transitions, 1380 flow [2023-11-29 05:38:54,290 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 665 places, 670 transitions, 1376 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 05:38:54,296 INFO L231 Difference]: Finished difference. Result has 665 places, 670 transitions, 1348 flow [2023-11-29 05:38:54,297 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=726, PETRI_DIFFERENCE_MINUEND_FLOW=1344, PETRI_DIFFERENCE_MINUEND_PLACES=663, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=670, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=668, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1348, PETRI_PLACES=665, PETRI_TRANSITIONS=670} [2023-11-29 05:38:54,298 INFO L281 CegarLoopForPetriNet]: 678 programPoint places, -13 predicate places. [2023-11-29 05:38:54,298 INFO L495 AbstractCegarLoop]: Abstraction has has 665 places, 670 transitions, 1348 flow [2023-11-29 05:38:54,299 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 685.3333333333334) internal successors, (2056), 3 states have internal predecessors, (2056), 0 states have call successors, (0), 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 05:38:54,299 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 05:38:54,299 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] [2023-11-29 05:38:54,299 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-11-29 05:38:54,300 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err21ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE (and 121 more)] === [2023-11-29 05:38:54,300 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:38:54,300 INFO L85 PathProgramCache]: Analyzing trace with hash -603973971, now seen corresponding path program 1 times [2023-11-29 05:38:54,300 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:38:54,300 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [828037925] [2023-11-29 05:38:54,300 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:38:54,301 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:38:54,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:38:54,343 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 05:38:54,344 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:38:54,344 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [828037925] [2023-11-29 05:38:54,344 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [828037925] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:38:54,344 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:38:54,344 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 05:38:54,344 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [836967074] [2023-11-29 05:38:54,345 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:38:54,345 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 05:38:54,345 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:38:54,346 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 05:38:54,346 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 05:38:54,374 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 688 out of 726 [2023-11-29 05:38:54,377 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 665 places, 670 transitions, 1348 flow. Second operand has 3 states, 3 states have (on average 689.3333333333334) internal successors, (2068), 3 states have internal predecessors, (2068), 0 states have call successors, (0), 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 05:38:54,377 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 05:38:54,377 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 688 of 726 [2023-11-29 05:38:54,377 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 05:38:54,574 INFO L124 PetriNetUnfolderBase]: 17/1107 cut-off events. [2023-11-29 05:38:54,574 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2023-11-29 05:38:54,582 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1135 conditions, 1107 events. 17/1107 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 5009 event pairs, 3 based on Foata normal form. 0/946 useless extension candidates. Maximal degree in co-relation 1045. Up to 19 conditions per place. [2023-11-29 05:38:54,587 INFO L140 encePairwiseOnDemand]: 723/726 looper letters, 10 selfloop transitions, 2 changer transitions 0/669 dead transitions. [2023-11-29 05:38:54,587 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 666 places, 669 transitions, 1370 flow [2023-11-29 05:38:54,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 05:38:54,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 05:38:54,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2077 transitions. [2023-11-29 05:38:54,594 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9536271808999082 [2023-11-29 05:38:54,594 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 2077 transitions. [2023-11-29 05:38:54,594 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 2077 transitions. [2023-11-29 05:38:54,595 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 05:38:54,596 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 2077 transitions. [2023-11-29 05:38:54,599 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 692.3333333333334) internal successors, (2077), 3 states have internal predecessors, (2077), 0 states have call successors, (0), 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 05:38:54,603 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 726.0) internal successors, (2904), 4 states have internal predecessors, (2904), 0 states have call successors, (0), 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 05:38:54,603 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 726.0) internal successors, (2904), 4 states have internal predecessors, (2904), 0 states have call successors, (0), 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 05:38:54,603 INFO L175 Difference]: Start difference. First operand has 665 places, 670 transitions, 1348 flow. Second operand 3 states and 2077 transitions. [2023-11-29 05:38:54,603 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 666 places, 669 transitions, 1370 flow [2023-11-29 05:38:54,607 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 664 places, 669 transitions, 1366 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 05:38:54,613 INFO L231 Difference]: Finished difference. Result has 664 places, 669 transitions, 1346 flow [2023-11-29 05:38:54,614 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=726, PETRI_DIFFERENCE_MINUEND_FLOW=1342, PETRI_DIFFERENCE_MINUEND_PLACES=662, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=669, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=667, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1346, PETRI_PLACES=664, PETRI_TRANSITIONS=669} [2023-11-29 05:38:54,615 INFO L281 CegarLoopForPetriNet]: 678 programPoint places, -14 predicate places. [2023-11-29 05:38:54,615 INFO L495 AbstractCegarLoop]: Abstraction has has 664 places, 669 transitions, 1346 flow [2023-11-29 05:38:54,615 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 689.3333333333334) internal successors, (2068), 3 states have internal predecessors, (2068), 0 states have call successors, (0), 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 05:38:54,616 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 05:38:54,616 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:38:54,616 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-11-29 05:38:54,616 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err21ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE (and 121 more)] === [2023-11-29 05:38:54,616 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:38:54,616 INFO L85 PathProgramCache]: Analyzing trace with hash 495427733, now seen corresponding path program 1 times [2023-11-29 05:38:54,617 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:38:54,617 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [831495100] [2023-11-29 05:38:54,617 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:38:54,617 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:38:54,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:38:54,657 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 05:38:54,657 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:38:54,657 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [831495100] [2023-11-29 05:38:54,657 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [831495100] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:38:54,658 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:38:54,658 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 05:38:54,658 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [885896801] [2023-11-29 05:38:54,658 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:38:54,658 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 05:38:54,659 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:38:54,659 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 05:38:54,659 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 05:38:54,674 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 688 out of 726 [2023-11-29 05:38:54,676 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 664 places, 669 transitions, 1346 flow. Second operand has 3 states, 3 states have (on average 689.0) internal successors, (2067), 3 states have internal predecessors, (2067), 0 states have call successors, (0), 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 05:38:54,676 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 05:38:54,676 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 688 of 726 [2023-11-29 05:38:54,676 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 05:38:54,928 INFO L124 PetriNetUnfolderBase]: 29/1741 cut-off events. [2023-11-29 05:38:54,928 INFO L125 PetriNetUnfolderBase]: For 5/5 co-relation queries the response was YES. [2023-11-29 05:38:54,937 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1783 conditions, 1741 events. 29/1741 cut-off events. For 5/5 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 9832 event pairs, 8 based on Foata normal form. 0/1484 useless extension candidates. Maximal degree in co-relation 1685. Up to 32 conditions per place. [2023-11-29 05:38:54,943 INFO L140 encePairwiseOnDemand]: 722/726 looper letters, 10 selfloop transitions, 1 changer transitions 0/666 dead transitions. [2023-11-29 05:38:54,943 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 663 places, 666 transitions, 1362 flow [2023-11-29 05:38:54,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 05:38:54,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 05:38:54,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2078 transitions. [2023-11-29 05:38:54,948 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9540863177226814 [2023-11-29 05:38:54,948 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 2078 transitions. [2023-11-29 05:38:54,948 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 2078 transitions. [2023-11-29 05:38:54,950 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 05:38:54,950 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 2078 transitions. [2023-11-29 05:38:54,953 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 692.6666666666666) internal successors, (2078), 3 states have internal predecessors, (2078), 0 states have call successors, (0), 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 05:38:54,957 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 726.0) internal successors, (2904), 4 states have internal predecessors, (2904), 0 states have call successors, (0), 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 05:38:54,957 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 726.0) internal successors, (2904), 4 states have internal predecessors, (2904), 0 states have call successors, (0), 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 05:38:54,958 INFO L175 Difference]: Start difference. First operand has 664 places, 669 transitions, 1346 flow. Second operand 3 states and 2078 transitions. [2023-11-29 05:38:54,958 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 663 places, 666 transitions, 1362 flow [2023-11-29 05:38:54,961 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 661 places, 666 transitions, 1358 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 05:38:54,967 INFO L231 Difference]: Finished difference. Result has 661 places, 666 transitions, 1338 flow [2023-11-29 05:38:54,968 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=726, PETRI_DIFFERENCE_MINUEND_FLOW=1336, PETRI_DIFFERENCE_MINUEND_PLACES=659, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=666, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=665, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1338, PETRI_PLACES=661, PETRI_TRANSITIONS=666} [2023-11-29 05:38:54,969 INFO L281 CegarLoopForPetriNet]: 678 programPoint places, -17 predicate places. [2023-11-29 05:38:54,969 INFO L495 AbstractCegarLoop]: Abstraction has has 661 places, 666 transitions, 1338 flow [2023-11-29 05:38:54,970 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 689.0) internal successors, (2067), 3 states have internal predecessors, (2067), 0 states have call successors, (0), 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 05:38:54,970 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 05:38:54,970 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] [2023-11-29 05:38:54,970 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-11-29 05:38:54,970 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err21ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE (and 121 more)] === [2023-11-29 05:38:54,971 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:38:54,971 INFO L85 PathProgramCache]: Analyzing trace with hash 1600887666, now seen corresponding path program 1 times [2023-11-29 05:38:54,971 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:38:54,971 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [693482076] [2023-11-29 05:38:54,971 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:38:54,971 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:38:54,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:38:55,463 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 05:38:55,463 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:38:55,463 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [693482076] [2023-11-29 05:38:55,464 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [693482076] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:38:55,464 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:38:55,464 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 05:38:55,464 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1564458981] [2023-11-29 05:38:55,464 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:38:55,465 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 05:38:55,465 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:38:55,466 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 05:38:55,466 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-29 05:38:55,775 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 652 out of 726 [2023-11-29 05:38:55,778 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 661 places, 666 transitions, 1338 flow. Second operand has 6 states, 6 states have (on average 653.5) internal successors, (3921), 6 states have internal predecessors, (3921), 0 states have call successors, (0), 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 05:38:55,779 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 05:38:55,779 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 652 of 726 [2023-11-29 05:38:55,779 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 05:38:59,290 INFO L124 PetriNetUnfolderBase]: 1744/19387 cut-off events. [2023-11-29 05:38:59,290 INFO L125 PetriNetUnfolderBase]: For 31/78 co-relation queries the response was YES. [2023-11-29 05:38:59,361 INFO L83 FinitePrefix]: Finished finitePrefix Result has 21986 conditions, 19387 events. 1744/19387 cut-off events. For 31/78 co-relation queries the response was YES. Maximal size of possible extension queue 233. Compared 228567 event pairs, 1464 based on Foata normal form. 0/16375 useless extension candidates. Maximal degree in co-relation 21889. Up to 2577 conditions per place. [2023-11-29 05:38:59,425 INFO L140 encePairwiseOnDemand]: 720/726 looper letters, 44 selfloop transitions, 5 changer transitions 0/665 dead transitions. [2023-11-29 05:38:59,425 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 665 places, 665 transitions, 1434 flow [2023-11-29 05:38:59,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 05:38:59,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-29 05:38:59,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 3962 transitions. [2023-11-29 05:38:59,435 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9095500459136823 [2023-11-29 05:38:59,435 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 3962 transitions. [2023-11-29 05:38:59,435 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 3962 transitions. [2023-11-29 05:38:59,438 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 05:38:59,438 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 3962 transitions. [2023-11-29 05:38:59,445 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 660.3333333333334) internal successors, (3962), 6 states have internal predecessors, (3962), 0 states have call successors, (0), 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 05:38:59,452 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 726.0) internal successors, (5082), 7 states have internal predecessors, (5082), 0 states have call successors, (0), 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 05:38:59,453 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 726.0) internal successors, (5082), 7 states have internal predecessors, (5082), 0 states have call successors, (0), 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 05:38:59,453 INFO L175 Difference]: Start difference. First operand has 661 places, 666 transitions, 1338 flow. Second operand 6 states and 3962 transitions. [2023-11-29 05:38:59,453 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 665 places, 665 transitions, 1434 flow [2023-11-29 05:38:59,457 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 664 places, 665 transitions, 1433 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-29 05:38:59,463 INFO L231 Difference]: Finished difference. Result has 664 places, 665 transitions, 1345 flow [2023-11-29 05:38:59,464 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=726, PETRI_DIFFERENCE_MINUEND_FLOW=1335, PETRI_DIFFERENCE_MINUEND_PLACES=659, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=665, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=660, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1345, PETRI_PLACES=664, PETRI_TRANSITIONS=665} [2023-11-29 05:38:59,465 INFO L281 CegarLoopForPetriNet]: 678 programPoint places, -14 predicate places. [2023-11-29 05:38:59,465 INFO L495 AbstractCegarLoop]: Abstraction has has 664 places, 665 transitions, 1345 flow [2023-11-29 05:38:59,466 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 653.5) internal successors, (3921), 6 states have internal predecessors, (3921), 0 states have call successors, (0), 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 05:38:59,466 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 05:38:59,466 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] [2023-11-29 05:38:59,466 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-11-29 05:38:59,466 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err21ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE (and 121 more)] === [2023-11-29 05:38:59,466 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:38:59,466 INFO L85 PathProgramCache]: Analyzing trace with hash -1995830092, now seen corresponding path program 1 times [2023-11-29 05:38:59,467 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:38:59,467 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [437428937] [2023-11-29 05:38:59,467 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:38:59,467 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:38:59,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:38:59,504 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 05:38:59,504 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:38:59,504 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [437428937] [2023-11-29 05:38:59,504 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [437428937] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:38:59,505 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:38:59,505 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 05:38:59,505 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [679707131] [2023-11-29 05:38:59,505 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:38:59,505 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 05:38:59,506 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:38:59,506 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 05:38:59,506 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 05:38:59,542 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 685 out of 726 [2023-11-29 05:38:59,544 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 664 places, 665 transitions, 1345 flow. Second operand has 3 states, 3 states have (on average 686.3333333333334) internal successors, (2059), 3 states have internal predecessors, (2059), 0 states have call successors, (0), 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 05:38:59,544 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 05:38:59,545 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 685 of 726 [2023-11-29 05:38:59,545 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 05:38:59,857 INFO L124 PetriNetUnfolderBase]: 34/1558 cut-off events. [2023-11-29 05:38:59,857 INFO L125 PetriNetUnfolderBase]: For 6/7 co-relation queries the response was YES. [2023-11-29 05:38:59,866 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1619 conditions, 1558 events. 34/1558 cut-off events. For 6/7 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 7929 event pairs, 15 based on Foata normal form. 0/1330 useless extension candidates. Maximal degree in co-relation 1601. Up to 46 conditions per place. [2023-11-29 05:38:59,871 INFO L140 encePairwiseOnDemand]: 723/726 looper letters, 13 selfloop transitions, 2 changer transitions 0/664 dead transitions. [2023-11-29 05:38:59,871 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 665 places, 664 transitions, 1373 flow [2023-11-29 05:38:59,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 05:38:59,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 05:38:59,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2071 transitions. [2023-11-29 05:38:59,878 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.950872359963269 [2023-11-29 05:38:59,878 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 2071 transitions. [2023-11-29 05:38:59,878 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 2071 transitions. [2023-11-29 05:38:59,880 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 05:38:59,880 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 2071 transitions. [2023-11-29 05:38:59,884 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 690.3333333333334) internal successors, (2071), 3 states have internal predecessors, (2071), 0 states have call successors, (0), 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 05:38:59,888 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 726.0) internal successors, (2904), 4 states have internal predecessors, (2904), 0 states have call successors, (0), 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 05:38:59,889 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 726.0) internal successors, (2904), 4 states have internal predecessors, (2904), 0 states have call successors, (0), 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 05:38:59,889 INFO L175 Difference]: Start difference. First operand has 664 places, 665 transitions, 1345 flow. Second operand 3 states and 2071 transitions. [2023-11-29 05:38:59,890 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 665 places, 664 transitions, 1373 flow [2023-11-29 05:38:59,894 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 660 places, 664 transitions, 1363 flow, removed 0 selfloop flow, removed 5 redundant places. [2023-11-29 05:38:59,901 INFO L231 Difference]: Finished difference. Result has 660 places, 664 transitions, 1337 flow [2023-11-29 05:38:59,902 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=726, PETRI_DIFFERENCE_MINUEND_FLOW=1333, PETRI_DIFFERENCE_MINUEND_PLACES=658, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=664, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=662, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1337, PETRI_PLACES=660, PETRI_TRANSITIONS=664} [2023-11-29 05:38:59,903 INFO L281 CegarLoopForPetriNet]: 678 programPoint places, -18 predicate places. [2023-11-29 05:38:59,903 INFO L495 AbstractCegarLoop]: Abstraction has has 660 places, 664 transitions, 1337 flow [2023-11-29 05:38:59,904 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 686.3333333333334) internal successors, (2059), 3 states have internal predecessors, (2059), 0 states have call successors, (0), 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 05:38:59,904 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 05:38:59,905 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] [2023-11-29 05:38:59,905 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-11-29 05:38:59,905 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err21ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE (and 121 more)] === [2023-11-29 05:38:59,905 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:38:59,905 INFO L85 PathProgramCache]: Analyzing trace with hash -1444481531, now seen corresponding path program 1 times [2023-11-29 05:38:59,905 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:38:59,906 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [937529517] [2023-11-29 05:38:59,906 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:38:59,906 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:38:59,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:38:59,946 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 05:38:59,946 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:38:59,946 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [937529517] [2023-11-29 05:38:59,946 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [937529517] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:38:59,947 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:38:59,947 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 05:38:59,947 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1512635814] [2023-11-29 05:38:59,947 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:38:59,948 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 05:38:59,948 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:38:59,949 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 05:38:59,949 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 05:38:59,999 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 665 out of 726 [2023-11-29 05:39:00,001 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 660 places, 664 transitions, 1337 flow. Second operand has 3 states, 3 states have (on average 666.0) internal successors, (1998), 3 states have internal predecessors, (1998), 0 states have call successors, (0), 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 05:39:00,001 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 05:39:00,002 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 665 of 726 [2023-11-29 05:39:00,002 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 05:39:00,260 INFO L124 PetriNetUnfolderBase]: 28/1327 cut-off events. [2023-11-29 05:39:00,260 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2023-11-29 05:39:00,269 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1396 conditions, 1327 events. 28/1327 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 6968 event pairs, 8 based on Foata normal form. 0/1149 useless extension candidates. Maximal degree in co-relation 1298. Up to 44 conditions per place. [2023-11-29 05:39:00,275 INFO L140 encePairwiseOnDemand]: 711/726 looper letters, 25 selfloop transitions, 5 changer transitions 0/657 dead transitions. [2023-11-29 05:39:00,275 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 652 places, 657 transitions, 1384 flow [2023-11-29 05:39:00,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 05:39:00,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 05:39:00,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2035 transitions. [2023-11-29 05:39:00,281 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9343434343434344 [2023-11-29 05:39:00,282 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 2035 transitions. [2023-11-29 05:39:00,282 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 2035 transitions. [2023-11-29 05:39:00,283 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 05:39:00,283 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 2035 transitions. [2023-11-29 05:39:00,287 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 678.3333333333334) internal successors, (2035), 3 states have internal predecessors, (2035), 0 states have call successors, (0), 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 05:39:00,291 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 726.0) internal successors, (2904), 4 states have internal predecessors, (2904), 0 states have call successors, (0), 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 05:39:00,292 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 726.0) internal successors, (2904), 4 states have internal predecessors, (2904), 0 states have call successors, (0), 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 05:39:00,292 INFO L175 Difference]: Start difference. First operand has 660 places, 664 transitions, 1337 flow. Second operand 3 states and 2035 transitions. [2023-11-29 05:39:00,292 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 652 places, 657 transitions, 1384 flow [2023-11-29 05:39:00,297 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 650 places, 657 transitions, 1380 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 05:39:00,305 INFO L231 Difference]: Finished difference. Result has 651 places, 656 transitions, 1336 flow [2023-11-29 05:39:00,306 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=726, PETRI_DIFFERENCE_MINUEND_FLOW=1313, PETRI_DIFFERENCE_MINUEND_PLACES=648, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=654, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=649, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1336, PETRI_PLACES=651, PETRI_TRANSITIONS=656} [2023-11-29 05:39:00,306 INFO L281 CegarLoopForPetriNet]: 678 programPoint places, -27 predicate places. [2023-11-29 05:39:00,307 INFO L495 AbstractCegarLoop]: Abstraction has has 651 places, 656 transitions, 1336 flow [2023-11-29 05:39:00,307 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 666.0) internal successors, (1998), 3 states have internal predecessors, (1998), 0 states have call successors, (0), 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 05:39:00,307 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 05:39:00,307 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] [2023-11-29 05:39:00,308 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-11-29 05:39:00,308 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err21ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE (and 121 more)] === [2023-11-29 05:39:00,308 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:39:00,308 INFO L85 PathProgramCache]: Analyzing trace with hash -872270899, now seen corresponding path program 1 times [2023-11-29 05:39:00,308 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:39:00,308 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1575600176] [2023-11-29 05:39:00,309 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:39:00,309 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:39:00,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:39:00,348 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 05:39:00,348 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:39:00,348 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1575600176] [2023-11-29 05:39:00,348 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1575600176] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:39:00,349 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:39:00,349 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 05:39:00,349 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [972626344] [2023-11-29 05:39:00,349 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:39:00,349 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 05:39:00,350 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:39:00,350 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 05:39:00,350 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 05:39:00,380 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 680 out of 726 [2023-11-29 05:39:00,382 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 651 places, 656 transitions, 1336 flow. Second operand has 3 states, 3 states have (on average 681.0) internal successors, (2043), 3 states have internal predecessors, (2043), 0 states have call successors, (0), 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 05:39:00,383 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 05:39:00,383 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 680 of 726 [2023-11-29 05:39:00,383 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 05:39:00,586 INFO L124 PetriNetUnfolderBase]: 25/892 cut-off events. [2023-11-29 05:39:00,586 INFO L125 PetriNetUnfolderBase]: For 14/15 co-relation queries the response was YES. [2023-11-29 05:39:00,593 INFO L83 FinitePrefix]: Finished finitePrefix Result has 949 conditions, 892 events. 25/892 cut-off events. For 14/15 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 3323 event pairs, 8 based on Foata normal form. 0/782 useless extension candidates. Maximal degree in co-relation 851. Up to 34 conditions per place. [2023-11-29 05:39:00,598 INFO L140 encePairwiseOnDemand]: 716/726 looper letters, 15 selfloop transitions, 5 changer transitions 0/654 dead transitions. [2023-11-29 05:39:00,598 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 648 places, 654 transitions, 1373 flow [2023-11-29 05:39:00,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 05:39:00,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 05:39:00,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2065 transitions. [2023-11-29 05:39:00,605 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.94811753902663 [2023-11-29 05:39:00,605 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 2065 transitions. [2023-11-29 05:39:00,605 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 2065 transitions. [2023-11-29 05:39:00,606 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 05:39:00,607 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 2065 transitions. [2023-11-29 05:39:00,613 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 688.3333333333334) internal successors, (2065), 3 states have internal predecessors, (2065), 0 states have call successors, (0), 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 05:39:00,617 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 726.0) internal successors, (2904), 4 states have internal predecessors, (2904), 0 states have call successors, (0), 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 05:39:00,618 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 726.0) internal successors, (2904), 4 states have internal predecessors, (2904), 0 states have call successors, (0), 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 05:39:00,618 INFO L175 Difference]: Start difference. First operand has 651 places, 656 transitions, 1336 flow. Second operand 3 states and 2065 transitions. [2023-11-29 05:39:00,618 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 648 places, 654 transitions, 1373 flow [2023-11-29 05:39:00,623 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 647 places, 654 transitions, 1368 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-29 05:39:00,632 INFO L231 Difference]: Finished difference. Result has 648 places, 653 transitions, 1344 flow [2023-11-29 05:39:00,633 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=726, PETRI_DIFFERENCE_MINUEND_FLOW=1321, PETRI_DIFFERENCE_MINUEND_PLACES=645, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=651, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=646, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1344, PETRI_PLACES=648, PETRI_TRANSITIONS=653} [2023-11-29 05:39:00,633 INFO L281 CegarLoopForPetriNet]: 678 programPoint places, -30 predicate places. [2023-11-29 05:39:00,634 INFO L495 AbstractCegarLoop]: Abstraction has has 648 places, 653 transitions, 1344 flow [2023-11-29 05:39:00,634 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 681.0) internal successors, (2043), 3 states have internal predecessors, (2043), 0 states have call successors, (0), 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 05:39:00,634 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 05:39:00,634 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] [2023-11-29 05:39:00,635 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-11-29 05:39:00,635 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err21ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE (and 121 more)] === [2023-11-29 05:39:00,635 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:39:00,635 INFO L85 PathProgramCache]: Analyzing trace with hash -1742059650, now seen corresponding path program 1 times [2023-11-29 05:39:00,635 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:39:00,635 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [906000879] [2023-11-29 05:39:00,636 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:39:00,636 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:39:00,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:39:00,678 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 05:39:00,678 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:39:00,678 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [906000879] [2023-11-29 05:39:00,678 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [906000879] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:39:00,679 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:39:00,679 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 05:39:00,679 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1519484088] [2023-11-29 05:39:00,679 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:39:00,679 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 05:39:00,680 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:39:00,680 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 05:39:00,680 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 05:39:00,707 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 683 out of 726 [2023-11-29 05:39:00,709 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 648 places, 653 transitions, 1344 flow. Second operand has 3 states, 3 states have (on average 684.0) internal successors, (2052), 3 states have internal predecessors, (2052), 0 states have call successors, (0), 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 05:39:00,709 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 05:39:00,709 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 683 of 726 [2023-11-29 05:39:00,709 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 05:39:01,051 INFO L124 PetriNetUnfolderBase]: 40/1610 cut-off events. [2023-11-29 05:39:01,051 INFO L125 PetriNetUnfolderBase]: For 10/11 co-relation queries the response was YES. [2023-11-29 05:39:01,064 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1714 conditions, 1610 events. 40/1610 cut-off events. For 10/11 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 7616 event pairs, 2 based on Foata normal form. 0/1403 useless extension candidates. Maximal degree in co-relation 1615. Up to 30 conditions per place. [2023-11-29 05:39:01,070 INFO L140 encePairwiseOnDemand]: 716/726 looper letters, 13 selfloop transitions, 6 changer transitions 0/653 dead transitions. [2023-11-29 05:39:01,070 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 646 places, 653 transitions, 1384 flow [2023-11-29 05:39:01,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 05:39:01,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 05:39:01,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2072 transitions. [2023-11-29 05:39:01,076 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9513314967860422 [2023-11-29 05:39:01,077 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 2072 transitions. [2023-11-29 05:39:01,077 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 2072 transitions. [2023-11-29 05:39:01,078 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 05:39:01,078 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 2072 transitions. [2023-11-29 05:39:01,082 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 690.6666666666666) internal successors, (2072), 3 states have internal predecessors, (2072), 0 states have call successors, (0), 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 05:39:01,086 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 726.0) internal successors, (2904), 4 states have internal predecessors, (2904), 0 states have call successors, (0), 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 05:39:01,087 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 726.0) internal successors, (2904), 4 states have internal predecessors, (2904), 0 states have call successors, (0), 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 05:39:01,087 INFO L175 Difference]: Start difference. First operand has 648 places, 653 transitions, 1344 flow. Second operand 3 states and 2072 transitions. [2023-11-29 05:39:01,087 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 646 places, 653 transitions, 1384 flow [2023-11-29 05:39:01,093 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 645 places, 653 transitions, 1379 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-29 05:39:01,102 INFO L231 Difference]: Finished difference. Result has 646 places, 651 transitions, 1357 flow [2023-11-29 05:39:01,104 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=726, PETRI_DIFFERENCE_MINUEND_FLOW=1331, PETRI_DIFFERENCE_MINUEND_PLACES=643, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=649, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=643, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1357, PETRI_PLACES=646, PETRI_TRANSITIONS=651} [2023-11-29 05:39:01,104 INFO L281 CegarLoopForPetriNet]: 678 programPoint places, -32 predicate places. [2023-11-29 05:39:01,104 INFO L495 AbstractCegarLoop]: Abstraction has has 646 places, 651 transitions, 1357 flow [2023-11-29 05:39:01,105 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 684.0) internal successors, (2052), 3 states have internal predecessors, (2052), 0 states have call successors, (0), 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 05:39:01,105 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 05:39:01,105 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] [2023-11-29 05:39:01,106 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2023-11-29 05:39:01,106 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err21ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE (and 121 more)] === [2023-11-29 05:39:01,106 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:39:01,106 INFO L85 PathProgramCache]: Analyzing trace with hash -269356119, now seen corresponding path program 1 times [2023-11-29 05:39:01,106 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:39:01,106 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [452154392] [2023-11-29 05:39:01,106 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:39:01,107 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:39:01,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:39:01,152 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 05:39:01,152 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:39:01,152 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [452154392] [2023-11-29 05:39:01,153 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [452154392] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:39:01,153 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:39:01,153 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 05:39:01,153 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [417081681] [2023-11-29 05:39:01,153 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:39:01,154 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 05:39:01,154 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:39:01,154 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 05:39:01,154 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 05:39:01,180 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 683 out of 726 [2023-11-29 05:39:01,182 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 646 places, 651 transitions, 1357 flow. Second operand has 3 states, 3 states have (on average 684.0) internal successors, (2052), 3 states have internal predecessors, (2052), 0 states have call successors, (0), 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 05:39:01,182 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 05:39:01,182 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 683 of 726 [2023-11-29 05:39:01,182 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 05:39:01,564 INFO L124 PetriNetUnfolderBase]: 55/2028 cut-off events. [2023-11-29 05:39:01,564 INFO L125 PetriNetUnfolderBase]: For 15/17 co-relation queries the response was YES. [2023-11-29 05:39:01,586 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2170 conditions, 2028 events. 55/2028 cut-off events. For 15/17 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 11817 event pairs, 3 based on Foata normal form. 1/1773 useless extension candidates. Maximal degree in co-relation 2070. Up to 45 conditions per place. [2023-11-29 05:39:01,597 INFO L140 encePairwiseOnDemand]: 716/726 looper letters, 12 selfloop transitions, 5 changer transitions 5/652 dead transitions. [2023-11-29 05:39:01,597 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 644 places, 652 transitions, 1400 flow [2023-11-29 05:39:01,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 05:39:01,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 05:39:01,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2072 transitions. [2023-11-29 05:39:01,603 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9513314967860422 [2023-11-29 05:39:01,603 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 2072 transitions. [2023-11-29 05:39:01,603 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 2072 transitions. [2023-11-29 05:39:01,604 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 05:39:01,604 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 2072 transitions. [2023-11-29 05:39:01,607 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 690.6666666666666) internal successors, (2072), 3 states have internal predecessors, (2072), 0 states have call successors, (0), 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 05:39:01,611 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 726.0) internal successors, (2904), 4 states have internal predecessors, (2904), 0 states have call successors, (0), 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 05:39:01,612 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 726.0) internal successors, (2904), 4 states have internal predecessors, (2904), 0 states have call successors, (0), 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 05:39:01,612 INFO L175 Difference]: Start difference. First operand has 646 places, 651 transitions, 1357 flow. Second operand 3 states and 2072 transitions. [2023-11-29 05:39:01,612 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 644 places, 652 transitions, 1400 flow [2023-11-29 05:39:01,618 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 643 places, 652 transitions, 1394 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-29 05:39:01,627 INFO L231 Difference]: Finished difference. Result has 644 places, 644 transitions, 1353 flow [2023-11-29 05:39:01,628 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=726, PETRI_DIFFERENCE_MINUEND_FLOW=1343, PETRI_DIFFERENCE_MINUEND_PLACES=641, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=647, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=642, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1353, PETRI_PLACES=644, PETRI_TRANSITIONS=644} [2023-11-29 05:39:01,628 INFO L281 CegarLoopForPetriNet]: 678 programPoint places, -34 predicate places. [2023-11-29 05:39:01,629 INFO L495 AbstractCegarLoop]: Abstraction has has 644 places, 644 transitions, 1353 flow [2023-11-29 05:39:01,629 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 684.0) internal successors, (2052), 3 states have internal predecessors, (2052), 0 states have call successors, (0), 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 05:39:01,630 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 05:39:01,630 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] [2023-11-29 05:39:01,630 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2023-11-29 05:39:01,630 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err21ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE (and 121 more)] === [2023-11-29 05:39:01,630 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:39:01,631 INFO L85 PathProgramCache]: Analyzing trace with hash 887262254, now seen corresponding path program 1 times [2023-11-29 05:39:01,631 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:39:01,631 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1659135575] [2023-11-29 05:39:01,631 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:39:01,631 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:39:01,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:39:01,676 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 05:39:01,676 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:39:01,677 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1659135575] [2023-11-29 05:39:01,677 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1659135575] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:39:01,677 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:39:01,677 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 05:39:01,677 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [257147510] [2023-11-29 05:39:01,678 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:39:01,678 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 05:39:01,678 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:39:01,679 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 05:39:01,679 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 05:39:01,706 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 678 out of 726 [2023-11-29 05:39:01,708 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 644 places, 644 transitions, 1353 flow. Second operand has 3 states, 3 states have (on average 679.0) internal successors, (2037), 3 states have internal predecessors, (2037), 0 states have call successors, (0), 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 05:39:01,708 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 05:39:01,708 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 678 of 726 [2023-11-29 05:39:01,709 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 05:39:02,507 INFO L124 PetriNetUnfolderBase]: 143/4047 cut-off events. [2023-11-29 05:39:02,507 INFO L125 PetriNetUnfolderBase]: For 14/14 co-relation queries the response was YES. [2023-11-29 05:39:02,535 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4492 conditions, 4047 events. 143/4047 cut-off events. For 14/14 co-relation queries the response was YES. Maximal size of possible extension queue 51. Compared 34144 event pairs, 40 based on Foata normal form. 0/3561 useless extension candidates. Maximal degree in co-relation 4391. Up to 158 conditions per place. [2023-11-29 05:39:02,546 INFO L140 encePairwiseOnDemand]: 717/726 looper letters, 17 selfloop transitions, 3 changer transitions 0/641 dead transitions. [2023-11-29 05:39:02,546 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 635 places, 641 transitions, 1389 flow [2023-11-29 05:39:02,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 05:39:02,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 05:39:02,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2060 transitions. [2023-11-29 05:39:02,550 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.945821854912764 [2023-11-29 05:39:02,550 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 2060 transitions. [2023-11-29 05:39:02,550 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 2060 transitions. [2023-11-29 05:39:02,551 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 05:39:02,551 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 2060 transitions. [2023-11-29 05:39:02,553 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 686.6666666666666) internal successors, (2060), 3 states have internal predecessors, (2060), 0 states have call successors, (0), 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 05:39:02,556 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 726.0) internal successors, (2904), 4 states have internal predecessors, (2904), 0 states have call successors, (0), 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 05:39:02,557 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 726.0) internal successors, (2904), 4 states have internal predecessors, (2904), 0 states have call successors, (0), 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 05:39:02,557 INFO L175 Difference]: Start difference. First operand has 644 places, 644 transitions, 1353 flow. Second operand 3 states and 2060 transitions. [2023-11-29 05:39:02,557 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 635 places, 641 transitions, 1389 flow [2023-11-29 05:39:02,563 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 634 places, 641 transitions, 1384 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-29 05:39:02,571 INFO L231 Difference]: Finished difference. Result has 635 places, 639 transitions, 1349 flow [2023-11-29 05:39:02,572 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=726, PETRI_DIFFERENCE_MINUEND_FLOW=1336, PETRI_DIFFERENCE_MINUEND_PLACES=632, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=638, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=635, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1349, PETRI_PLACES=635, PETRI_TRANSITIONS=639} [2023-11-29 05:39:02,573 INFO L281 CegarLoopForPetriNet]: 678 programPoint places, -43 predicate places. [2023-11-29 05:39:02,573 INFO L495 AbstractCegarLoop]: Abstraction has has 635 places, 639 transitions, 1349 flow [2023-11-29 05:39:02,574 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 679.0) internal successors, (2037), 3 states have internal predecessors, (2037), 0 states have call successors, (0), 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 05:39:02,574 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 05:39:02,574 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] [2023-11-29 05:39:02,574 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2023-11-29 05:39:02,574 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err21ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE (and 121 more)] === [2023-11-29 05:39:02,575 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:39:02,575 INFO L85 PathProgramCache]: Analyzing trace with hash -1171768409, now seen corresponding path program 1 times [2023-11-29 05:39:02,575 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:39:02,575 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [841865095] [2023-11-29 05:39:02,575 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:39:02,575 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:39:02,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:39:02,633 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 05:39:02,633 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:39:02,633 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [841865095] [2023-11-29 05:39:02,633 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [841865095] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:39:02,633 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:39:02,633 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 05:39:02,633 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [825328947] [2023-11-29 05:39:02,633 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:39:02,634 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 05:39:02,634 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:39:02,634 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 05:39:02,635 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 05:39:02,663 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 678 out of 726 [2023-11-29 05:39:02,665 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 635 places, 639 transitions, 1349 flow. Second operand has 3 states, 3 states have (on average 679.0) internal successors, (2037), 3 states have internal predecessors, (2037), 0 states have call successors, (0), 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 05:39:02,665 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 05:39:02,665 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 678 of 726 [2023-11-29 05:39:02,666 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 05:39:03,354 INFO L124 PetriNetUnfolderBase]: 122/3928 cut-off events. [2023-11-29 05:39:03,354 INFO L125 PetriNetUnfolderBase]: For 36/40 co-relation queries the response was YES. [2023-11-29 05:39:03,382 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4389 conditions, 3928 events. 122/3928 cut-off events. For 36/40 co-relation queries the response was YES. Maximal size of possible extension queue 46. Compared 33151 event pairs, 20 based on Foata normal form. 0/3535 useless extension candidates. Maximal degree in co-relation 4287. Up to 176 conditions per place. [2023-11-29 05:39:03,391 INFO L140 encePairwiseOnDemand]: 717/726 looper letters, 18 selfloop transitions, 3 changer transitions 0/637 dead transitions. [2023-11-29 05:39:03,391 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 631 places, 637 transitions, 1390 flow [2023-11-29 05:39:03,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 05:39:03,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 05:39:03,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2061 transitions. [2023-11-29 05:39:03,397 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9462809917355371 [2023-11-29 05:39:03,397 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 2061 transitions. [2023-11-29 05:39:03,397 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 2061 transitions. [2023-11-29 05:39:03,398 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 05:39:03,398 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 2061 transitions. [2023-11-29 05:39:03,401 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 687.0) internal successors, (2061), 3 states have internal predecessors, (2061), 0 states have call successors, (0), 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 05:39:03,405 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 726.0) internal successors, (2904), 4 states have internal predecessors, (2904), 0 states have call successors, (0), 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 05:39:03,406 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 726.0) internal successors, (2904), 4 states have internal predecessors, (2904), 0 states have call successors, (0), 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 05:39:03,406 INFO L175 Difference]: Start difference. First operand has 635 places, 639 transitions, 1349 flow. Second operand 3 states and 2061 transitions. [2023-11-29 05:39:03,406 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 631 places, 637 transitions, 1390 flow [2023-11-29 05:39:03,412 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 630 places, 637 transitions, 1387 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-29 05:39:03,421 INFO L231 Difference]: Finished difference. Result has 631 places, 634 transitions, 1347 flow [2023-11-29 05:39:03,421 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=726, PETRI_DIFFERENCE_MINUEND_FLOW=1334, PETRI_DIFFERENCE_MINUEND_PLACES=628, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=633, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=630, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1347, PETRI_PLACES=631, PETRI_TRANSITIONS=634} [2023-11-29 05:39:03,422 INFO L281 CegarLoopForPetriNet]: 678 programPoint places, -47 predicate places. [2023-11-29 05:39:03,422 INFO L495 AbstractCegarLoop]: Abstraction has has 631 places, 634 transitions, 1347 flow [2023-11-29 05:39:03,423 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 679.0) internal successors, (2037), 3 states have internal predecessors, (2037), 0 states have call successors, (0), 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 05:39:03,423 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 05:39:03,423 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:39:03,423 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2023-11-29 05:39:03,423 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting thread1Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err21ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE (and 121 more)] === [2023-11-29 05:39:03,424 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:39:03,424 INFO L85 PathProgramCache]: Analyzing trace with hash -1308928493, now seen corresponding path program 1 times [2023-11-29 05:39:03,424 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:39:03,424 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [538706800] [2023-11-29 05:39:03,424 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:39:03,424 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:39:03,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:39:03,474 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 05:39:03,475 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:39:03,475 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [538706800] [2023-11-29 05:39:03,475 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [538706800] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:39:03,475 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:39:03,475 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 05:39:03,475 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1007699947] [2023-11-29 05:39:03,475 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:39:03,476 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 05:39:03,476 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:39:03,476 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 05:39:03,476 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 05:39:03,501 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 679 out of 726 [2023-11-29 05:39:03,503 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 631 places, 634 transitions, 1347 flow. Second operand has 3 states, 3 states have (on average 680.3333333333334) internal successors, (2041), 3 states have internal predecessors, (2041), 0 states have call successors, (0), 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 05:39:03,503 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 05:39:03,503 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 679 of 726 [2023-11-29 05:39:03,503 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 05:39:05,057 INFO L124 PetriNetUnfolderBase]: 354/9801 cut-off events. [2023-11-29 05:39:05,057 INFO L125 PetriNetUnfolderBase]: For 59/63 co-relation queries the response was YES. [2023-11-29 05:39:05,110 INFO L83 FinitePrefix]: Finished finitePrefix Result has 10992 conditions, 9801 events. 354/9801 cut-off events. For 59/63 co-relation queries the response was YES. Maximal size of possible extension queue 103. Compared 100313 event pairs, 88 based on Foata normal form. 0/8863 useless extension candidates. Maximal degree in co-relation 10890. Up to 467 conditions per place. [2023-11-29 05:39:05,128 INFO L140 encePairwiseOnDemand]: 718/726 looper letters, 18 selfloop transitions, 2 changer transitions 0/632 dead transitions. [2023-11-29 05:39:05,128 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 627 places, 632 transitions, 1385 flow [2023-11-29 05:39:05,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 05:39:05,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 05:39:05,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2063 transitions. [2023-11-29 05:39:05,134 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9471992653810836 [2023-11-29 05:39:05,134 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 2063 transitions. [2023-11-29 05:39:05,134 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 2063 transitions. [2023-11-29 05:39:05,135 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 05:39:05,135 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 2063 transitions. [2023-11-29 05:39:05,138 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 687.6666666666666) internal successors, (2063), 3 states have internal predecessors, (2063), 0 states have call successors, (0), 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 05:39:05,140 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 726.0) internal successors, (2904), 4 states have internal predecessors, (2904), 0 states have call successors, (0), 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 05:39:05,140 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 726.0) internal successors, (2904), 4 states have internal predecessors, (2904), 0 states have call successors, (0), 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 05:39:05,140 INFO L175 Difference]: Start difference. First operand has 631 places, 634 transitions, 1347 flow. Second operand 3 states and 2063 transitions. [2023-11-29 05:39:05,140 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 627 places, 632 transitions, 1385 flow [2023-11-29 05:39:05,146 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 626 places, 632 transitions, 1382 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-29 05:39:05,152 INFO L231 Difference]: Finished difference. Result has 627 places, 630 transitions, 1346 flow [2023-11-29 05:39:05,153 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=726, PETRI_DIFFERENCE_MINUEND_FLOW=1332, PETRI_DIFFERENCE_MINUEND_PLACES=624, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=628, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=626, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1346, PETRI_PLACES=627, PETRI_TRANSITIONS=630} [2023-11-29 05:39:05,153 INFO L281 CegarLoopForPetriNet]: 678 programPoint places, -51 predicate places. [2023-11-29 05:39:05,153 INFO L495 AbstractCegarLoop]: Abstraction has has 627 places, 630 transitions, 1346 flow [2023-11-29 05:39:05,154 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 680.3333333333334) internal successors, (2041), 3 states have internal predecessors, (2041), 0 states have call successors, (0), 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 05:39:05,154 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 05:39:05,154 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:39:05,154 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2023-11-29 05:39:05,154 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err21ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE (and 121 more)] === [2023-11-29 05:39:05,154 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:39:05,154 INFO L85 PathProgramCache]: Analyzing trace with hash -1849295500, now seen corresponding path program 1 times [2023-11-29 05:39:05,155 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:39:05,155 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [658130845] [2023-11-29 05:39:05,155 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:39:05,155 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:39:05,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:39:05,665 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 05:39:05,665 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:39:05,665 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [658130845] [2023-11-29 05:39:05,666 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [658130845] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:39:05,666 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:39:05,666 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 05:39:05,666 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2064143201] [2023-11-29 05:39:05,666 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:39:05,666 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 05:39:05,667 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:39:05,667 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 05:39:05,667 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-29 05:39:06,108 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 684 out of 726 [2023-11-29 05:39:06,111 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 627 places, 630 transitions, 1346 flow. Second operand has 6 states, 6 states have (on average 685.5) internal successors, (4113), 6 states have internal predecessors, (4113), 0 states have call successors, (0), 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 05:39:06,111 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 05:39:06,112 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 684 of 726 [2023-11-29 05:39:06,112 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 05:39:06,981 INFO L124 PetriNetUnfolderBase]: 99/4465 cut-off events. [2023-11-29 05:39:06,981 INFO L125 PetriNetUnfolderBase]: For 8/56 co-relation queries the response was YES. [2023-11-29 05:39:07,019 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4954 conditions, 4465 events. 99/4465 cut-off events. For 8/56 co-relation queries the response was YES. Maximal size of possible extension queue 45. Compared 36556 event pairs, 0 based on Foata normal form. 32/4113 useless extension candidates. Maximal degree in co-relation 4849. Up to 48 conditions per place. [2023-11-29 05:39:07,030 INFO L140 encePairwiseOnDemand]: 721/726 looper letters, 10 selfloop transitions, 4 changer transitions 0/629 dead transitions. [2023-11-29 05:39:07,030 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 631 places, 629 transitions, 1372 flow [2023-11-29 05:39:07,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 05:39:07,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-29 05:39:07,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 4119 transitions. [2023-11-29 05:39:07,040 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9455922865013774 [2023-11-29 05:39:07,040 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 4119 transitions. [2023-11-29 05:39:07,041 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 4119 transitions. [2023-11-29 05:39:07,042 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 05:39:07,042 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 4119 transitions. [2023-11-29 05:39:07,047 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 686.5) internal successors, (4119), 6 states have internal predecessors, (4119), 0 states have call successors, (0), 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 05:39:07,053 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 726.0) internal successors, (5082), 7 states have internal predecessors, (5082), 0 states have call successors, (0), 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 05:39:07,053 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 726.0) internal successors, (5082), 7 states have internal predecessors, (5082), 0 states have call successors, (0), 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 05:39:07,053 INFO L175 Difference]: Start difference. First operand has 627 places, 630 transitions, 1346 flow. Second operand 6 states and 4119 transitions. [2023-11-29 05:39:07,053 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 631 places, 629 transitions, 1372 flow [2023-11-29 05:39:07,059 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 631 places, 629 transitions, 1372 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-29 05:39:07,070 INFO L231 Difference]: Finished difference. Result has 631 places, 629 transitions, 1352 flow [2023-11-29 05:39:07,071 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=726, PETRI_DIFFERENCE_MINUEND_FLOW=1344, PETRI_DIFFERENCE_MINUEND_PLACES=626, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=629, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=625, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1352, PETRI_PLACES=631, PETRI_TRANSITIONS=629} [2023-11-29 05:39:07,071 INFO L281 CegarLoopForPetriNet]: 678 programPoint places, -47 predicate places. [2023-11-29 05:39:07,071 INFO L495 AbstractCegarLoop]: Abstraction has has 631 places, 629 transitions, 1352 flow [2023-11-29 05:39:07,072 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 685.5) internal successors, (4113), 6 states have internal predecessors, (4113), 0 states have call successors, (0), 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 05:39:07,072 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 05:39:07,072 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:39:07,073 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2023-11-29 05:39:07,073 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting thread1Err5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err21ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE (and 121 more)] === [2023-11-29 05:39:07,073 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:39:07,073 INFO L85 PathProgramCache]: Analyzing trace with hash -1506143170, now seen corresponding path program 1 times [2023-11-29 05:39:07,073 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:39:07,074 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [245155062] [2023-11-29 05:39:07,074 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:39:07,074 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:39:07,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:39:07,771 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 05:39:07,771 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:39:07,771 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [245155062] [2023-11-29 05:39:07,772 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [245155062] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:39:07,772 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:39:07,772 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 05:39:07,772 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [245197257] [2023-11-29 05:39:07,772 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:39:07,773 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 05:39:07,773 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:39:07,774 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 05:39:07,774 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-29 05:39:08,263 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 671 out of 726 [2023-11-29 05:39:08,267 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 631 places, 629 transitions, 1352 flow. Second operand has 6 states, 6 states have (on average 672.6666666666666) internal successors, (4036), 6 states have internal predecessors, (4036), 0 states have call successors, (0), 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 05:39:08,267 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 05:39:08,267 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 671 of 726 [2023-11-29 05:39:08,267 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 05:39:09,486 INFO L124 PetriNetUnfolderBase]: 233/6177 cut-off events. [2023-11-29 05:39:09,486 INFO L125 PetriNetUnfolderBase]: For 8/16 co-relation queries the response was YES. [2023-11-29 05:39:09,541 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7195 conditions, 6177 events. 233/6177 cut-off events. For 8/16 co-relation queries the response was YES. Maximal size of possible extension queue 68. Compared 54921 event pairs, 8 based on Foata normal form. 0/5673 useless extension candidates. Maximal degree in co-relation 7088. Up to 228 conditions per place. [2023-11-29 05:39:09,556 INFO L140 encePairwiseOnDemand]: 718/726 looper letters, 26 selfloop transitions, 5 changer transitions 0/630 dead transitions. [2023-11-29 05:39:09,556 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 633 places, 630 transitions, 1420 flow [2023-11-29 05:39:09,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 05:39:09,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-29 05:39:09,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 4060 transitions. [2023-11-29 05:39:09,565 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9320477502295684 [2023-11-29 05:39:09,565 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 4060 transitions. [2023-11-29 05:39:09,565 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 4060 transitions. [2023-11-29 05:39:09,566 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 05:39:09,566 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 4060 transitions. [2023-11-29 05:39:09,569 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 676.6666666666666) internal successors, (4060), 6 states have internal predecessors, (4060), 0 states have call successors, (0), 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 05:39:09,572 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 726.0) internal successors, (5082), 7 states have internal predecessors, (5082), 0 states have call successors, (0), 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 05:39:09,573 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 726.0) internal successors, (5082), 7 states have internal predecessors, (5082), 0 states have call successors, (0), 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 05:39:09,573 INFO L175 Difference]: Start difference. First operand has 631 places, 629 transitions, 1352 flow. Second operand 6 states and 4060 transitions. [2023-11-29 05:39:09,573 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 633 places, 630 transitions, 1420 flow [2023-11-29 05:39:09,579 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 629 places, 630 transitions, 1413 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-11-29 05:39:09,584 INFO L231 Difference]: Finished difference. Result has 629 places, 626 transitions, 1349 flow [2023-11-29 05:39:09,585 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=726, PETRI_DIFFERENCE_MINUEND_FLOW=1339, PETRI_DIFFERENCE_MINUEND_PLACES=624, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=626, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=621, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1349, PETRI_PLACES=629, PETRI_TRANSITIONS=626} [2023-11-29 05:39:09,585 INFO L281 CegarLoopForPetriNet]: 678 programPoint places, -49 predicate places. [2023-11-29 05:39:09,586 INFO L495 AbstractCegarLoop]: Abstraction has has 629 places, 626 transitions, 1349 flow [2023-11-29 05:39:09,586 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 672.6666666666666) internal successors, (4036), 6 states have internal predecessors, (4036), 0 states have call successors, (0), 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 05:39:09,587 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 05:39:09,587 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:39:09,587 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2023-11-29 05:39:09,587 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting thread2Err5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err21ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE (and 121 more)] === [2023-11-29 05:39:09,587 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:39:09,587 INFO L85 PathProgramCache]: Analyzing trace with hash 976365888, now seen corresponding path program 1 times [2023-11-29 05:39:09,588 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:39:09,588 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1902895174] [2023-11-29 05:39:09,588 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:39:09,588 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:39:09,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:39:10,061 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 05:39:10,061 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:39:10,061 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1902895174] [2023-11-29 05:39:10,061 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1902895174] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:39:10,061 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:39:10,062 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 05:39:10,062 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [229302280] [2023-11-29 05:39:10,062 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:39:10,062 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 05:39:10,063 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:39:10,063 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 05:39:10,063 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-29 05:39:10,408 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 671 out of 726 [2023-11-29 05:39:10,410 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 629 places, 626 transitions, 1349 flow. Second operand has 6 states, 6 states have (on average 672.8333333333334) internal successors, (4037), 6 states have internal predecessors, (4037), 0 states have call successors, (0), 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 05:39:10,410 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 05:39:10,410 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 671 of 726 [2023-11-29 05:39:10,410 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 05:39:11,205 INFO L124 PetriNetUnfolderBase]: 160/4822 cut-off events. [2023-11-29 05:39:11,205 INFO L125 PetriNetUnfolderBase]: For 62/70 co-relation queries the response was YES. [2023-11-29 05:39:11,244 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5555 conditions, 4822 events. 160/4822 cut-off events. For 62/70 co-relation queries the response was YES. Maximal size of possible extension queue 57. Compared 41967 event pairs, 0 based on Foata normal form. 0/4436 useless extension candidates. Maximal degree in co-relation 5448. Up to 171 conditions per place. [2023-11-29 05:39:11,253 INFO L140 encePairwiseOnDemand]: 718/726 looper letters, 26 selfloop transitions, 5 changer transitions 0/627 dead transitions. [2023-11-29 05:39:11,253 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 631 places, 627 transitions, 1417 flow [2023-11-29 05:39:11,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 05:39:11,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-29 05:39:11,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 4060 transitions. [2023-11-29 05:39:11,263 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9320477502295684 [2023-11-29 05:39:11,263 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 4060 transitions. [2023-11-29 05:39:11,263 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 4060 transitions. [2023-11-29 05:39:11,263 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 05:39:11,264 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 4060 transitions. [2023-11-29 05:39:11,267 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 676.6666666666666) internal successors, (4060), 6 states have internal predecessors, (4060), 0 states have call successors, (0), 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 05:39:11,269 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 726.0) internal successors, (5082), 7 states have internal predecessors, (5082), 0 states have call successors, (0), 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 05:39:11,270 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 726.0) internal successors, (5082), 7 states have internal predecessors, (5082), 0 states have call successors, (0), 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 05:39:11,270 INFO L175 Difference]: Start difference. First operand has 629 places, 626 transitions, 1349 flow. Second operand 6 states and 4060 transitions. [2023-11-29 05:39:11,270 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 631 places, 627 transitions, 1417 flow [2023-11-29 05:39:11,274 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 626 places, 627 transitions, 1407 flow, removed 0 selfloop flow, removed 5 redundant places. [2023-11-29 05:39:11,280 INFO L231 Difference]: Finished difference. Result has 626 places, 623 transitions, 1343 flow [2023-11-29 05:39:11,280 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=726, PETRI_DIFFERENCE_MINUEND_FLOW=1333, PETRI_DIFFERENCE_MINUEND_PLACES=621, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=623, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=618, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1343, PETRI_PLACES=626, PETRI_TRANSITIONS=623} [2023-11-29 05:39:11,281 INFO L281 CegarLoopForPetriNet]: 678 programPoint places, -52 predicate places. [2023-11-29 05:39:11,281 INFO L495 AbstractCegarLoop]: Abstraction has has 626 places, 623 transitions, 1343 flow [2023-11-29 05:39:11,281 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 672.8333333333334) internal successors, (4037), 6 states have internal predecessors, (4037), 0 states have call successors, (0), 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 05:39:11,281 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 05:39:11,282 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:39:11,282 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2023-11-29 05:39:11,282 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting thread1Err23ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err21ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE (and 121 more)] === [2023-11-29 05:39:11,282 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:39:11,282 INFO L85 PathProgramCache]: Analyzing trace with hash -1840648715, now seen corresponding path program 1 times [2023-11-29 05:39:11,282 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:39:11,282 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [862149368] [2023-11-29 05:39:11,282 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:39:11,283 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:39:11,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:39:11,339 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 05:39:11,339 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:39:11,339 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [862149368] [2023-11-29 05:39:11,339 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [862149368] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:39:11,339 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:39:11,339 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 05:39:11,339 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1677462066] [2023-11-29 05:39:11,340 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:39:11,340 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 05:39:11,340 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:39:11,341 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 05:39:11,341 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 05:39:11,373 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 687 out of 726 [2023-11-29 05:39:11,374 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 626 places, 623 transitions, 1343 flow. Second operand has 3 states, 3 states have (on average 689.0) internal successors, (2067), 3 states have internal predecessors, (2067), 0 states have call successors, (0), 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 05:39:11,375 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 05:39:11,375 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 687 of 726 [2023-11-29 05:39:11,375 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 05:39:12,396 INFO L124 PetriNetUnfolderBase]: 208/6456 cut-off events. [2023-11-29 05:39:12,396 INFO L125 PetriNetUnfolderBase]: For 73/97 co-relation queries the response was YES. [2023-11-29 05:39:12,438 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7418 conditions, 6456 events. 208/6456 cut-off events. For 73/97 co-relation queries the response was YES. Maximal size of possible extension queue 57. Compared 57261 event pairs, 32 based on Foata normal form. 8/5959 useless extension candidates. Maximal degree in co-relation 7313. Up to 163 conditions per place. [2023-11-29 05:39:12,449 INFO L140 encePairwiseOnDemand]: 723/726 looper letters, 13 selfloop transitions, 2 changer transitions 0/623 dead transitions. [2023-11-29 05:39:12,449 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 627 places, 623 transitions, 1374 flow [2023-11-29 05:39:12,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 05:39:12,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 05:39:12,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2075 transitions. [2023-11-29 05:39:12,453 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9527089072543617 [2023-11-29 05:39:12,453 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 2075 transitions. [2023-11-29 05:39:12,453 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 2075 transitions. [2023-11-29 05:39:12,454 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 05:39:12,454 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 2075 transitions. [2023-11-29 05:39:12,456 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 691.6666666666666) internal successors, (2075), 3 states have internal predecessors, (2075), 0 states have call successors, (0), 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 05:39:12,457 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 726.0) internal successors, (2904), 4 states have internal predecessors, (2904), 0 states have call successors, (0), 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 05:39:12,457 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 726.0) internal successors, (2904), 4 states have internal predecessors, (2904), 0 states have call successors, (0), 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 05:39:12,457 INFO L175 Difference]: Start difference. First operand has 626 places, 623 transitions, 1343 flow. Second operand 3 states and 2075 transitions. [2023-11-29 05:39:12,457 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 627 places, 623 transitions, 1374 flow [2023-11-29 05:39:12,462 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 622 places, 623 transitions, 1364 flow, removed 0 selfloop flow, removed 5 redundant places. [2023-11-29 05:39:12,468 INFO L231 Difference]: Finished difference. Result has 622 places, 622 transitions, 1335 flow [2023-11-29 05:39:12,468 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=726, PETRI_DIFFERENCE_MINUEND_FLOW=1331, PETRI_DIFFERENCE_MINUEND_PLACES=620, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=622, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=620, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1335, PETRI_PLACES=622, PETRI_TRANSITIONS=622} [2023-11-29 05:39:12,469 INFO L281 CegarLoopForPetriNet]: 678 programPoint places, -56 predicate places. [2023-11-29 05:39:12,469 INFO L495 AbstractCegarLoop]: Abstraction has has 622 places, 622 transitions, 1335 flow [2023-11-29 05:39:12,469 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 689.0) internal successors, (2067), 3 states have internal predecessors, (2067), 0 states have call successors, (0), 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 05:39:12,469 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 05:39:12,469 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:39:12,469 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2023-11-29 05:39:12,469 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting thread2Err23ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err21ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE (and 121 more)] === [2023-11-29 05:39:12,470 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:39:12,470 INFO L85 PathProgramCache]: Analyzing trace with hash 99532855, now seen corresponding path program 1 times [2023-11-29 05:39:12,470 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:39:12,470 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [257431602] [2023-11-29 05:39:12,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:39:12,470 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:39:12,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:39:12,524 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 05:39:12,525 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:39:12,525 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [257431602] [2023-11-29 05:39:12,525 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [257431602] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:39:12,525 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:39:12,525 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 05:39:12,525 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [426156133] [2023-11-29 05:39:12,525 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:39:12,526 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 05:39:12,526 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:39:12,527 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 05:39:12,527 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 05:39:12,559 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 687 out of 726 [2023-11-29 05:39:12,561 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 622 places, 622 transitions, 1335 flow. Second operand has 3 states, 3 states have (on average 689.3333333333334) internal successors, (2068), 3 states have internal predecessors, (2068), 0 states have call successors, (0), 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 05:39:12,561 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 05:39:12,561 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 687 of 726 [2023-11-29 05:39:12,561 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 05:39:13,275 INFO L124 PetriNetUnfolderBase]: 132/4529 cut-off events. [2023-11-29 05:39:13,275 INFO L125 PetriNetUnfolderBase]: For 93/101 co-relation queries the response was YES. [2023-11-29 05:39:13,307 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5109 conditions, 4529 events. 132/4529 cut-off events. For 93/101 co-relation queries the response was YES. Maximal size of possible extension queue 46. Compared 37955 event pairs, 9 based on Foata normal form. 0/4193 useless extension candidates. Maximal degree in co-relation 5004. Up to 136 conditions per place. [2023-11-29 05:39:13,313 INFO L140 encePairwiseOnDemand]: 723/726 looper letters, 13 selfloop transitions, 2 changer transitions 0/622 dead transitions. [2023-11-29 05:39:13,314 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 623 places, 622 transitions, 1366 flow [2023-11-29 05:39:13,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 05:39:13,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 05:39:13,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2075 transitions. [2023-11-29 05:39:13,318 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9527089072543617 [2023-11-29 05:39:13,318 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 2075 transitions. [2023-11-29 05:39:13,318 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 2075 transitions. [2023-11-29 05:39:13,318 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 05:39:13,318 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 2075 transitions. [2023-11-29 05:39:13,320 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 691.6666666666666) internal successors, (2075), 3 states have internal predecessors, (2075), 0 states have call successors, (0), 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 05:39:13,321 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 726.0) internal successors, (2904), 4 states have internal predecessors, (2904), 0 states have call successors, (0), 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 05:39:13,322 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 726.0) internal successors, (2904), 4 states have internal predecessors, (2904), 0 states have call successors, (0), 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 05:39:13,322 INFO L175 Difference]: Start difference. First operand has 622 places, 622 transitions, 1335 flow. Second operand 3 states and 2075 transitions. [2023-11-29 05:39:13,322 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 623 places, 622 transitions, 1366 flow [2023-11-29 05:39:13,326 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 621 places, 622 transitions, 1362 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 05:39:13,330 INFO L231 Difference]: Finished difference. Result has 621 places, 621 transitions, 1333 flow [2023-11-29 05:39:13,331 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=726, PETRI_DIFFERENCE_MINUEND_FLOW=1329, PETRI_DIFFERENCE_MINUEND_PLACES=619, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=621, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=619, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1333, PETRI_PLACES=621, PETRI_TRANSITIONS=621} [2023-11-29 05:39:13,331 INFO L281 CegarLoopForPetriNet]: 678 programPoint places, -57 predicate places. [2023-11-29 05:39:13,332 INFO L495 AbstractCegarLoop]: Abstraction has has 621 places, 621 transitions, 1333 flow [2023-11-29 05:39:13,332 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 689.3333333333334) internal successors, (2068), 3 states have internal predecessors, (2068), 0 states have call successors, (0), 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 05:39:13,332 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 05:39:13,332 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:39:13,332 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2023-11-29 05:39:13,332 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting thread1Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err21ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE (and 121 more)] === [2023-11-29 05:39:13,333 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:39:13,333 INFO L85 PathProgramCache]: Analyzing trace with hash -558217801, now seen corresponding path program 1 times [2023-11-29 05:39:13,333 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:39:13,333 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [38036509] [2023-11-29 05:39:13,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:39:13,333 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:39:13,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:39:13,387 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 05:39:13,387 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:39:13,387 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [38036509] [2023-11-29 05:39:13,387 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [38036509] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:39:13,387 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:39:13,387 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 05:39:13,387 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [511639444] [2023-11-29 05:39:13,387 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:39:13,388 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 05:39:13,388 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:39:13,389 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 05:39:13,389 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 05:39:13,397 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 694 out of 726 [2023-11-29 05:39:13,399 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 621 places, 621 transitions, 1333 flow. Second operand has 3 states, 3 states have (on average 695.3333333333334) internal successors, (2086), 3 states have internal predecessors, (2086), 0 states have call successors, (0), 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 05:39:13,399 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 05:39:13,399 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 694 of 726 [2023-11-29 05:39:13,399 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 05:39:14,536 INFO L124 PetriNetUnfolderBase]: 145/6481 cut-off events. [2023-11-29 05:39:14,536 INFO L125 PetriNetUnfolderBase]: For 20/24 co-relation queries the response was YES. [2023-11-29 05:39:14,583 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7118 conditions, 6481 events. 145/6481 cut-off events. For 20/24 co-relation queries the response was YES. Maximal size of possible extension queue 56. Compared 56579 event pairs, 4 based on Foata normal form. 0/6013 useless extension candidates. Maximal degree in co-relation 7013. Up to 68 conditions per place. [2023-11-29 05:39:14,593 INFO L140 encePairwiseOnDemand]: 724/726 looper letters, 8 selfloop transitions, 1 changer transitions 0/623 dead transitions. [2023-11-29 05:39:14,594 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 622 places, 623 transitions, 1357 flow [2023-11-29 05:39:14,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 05:39:14,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 05:39:14,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2092 transitions. [2023-11-29 05:39:14,598 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.960514233241506 [2023-11-29 05:39:14,598 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 2092 transitions. [2023-11-29 05:39:14,598 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 2092 transitions. [2023-11-29 05:39:14,599 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 05:39:14,599 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 2092 transitions. [2023-11-29 05:39:14,602 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 697.3333333333334) internal successors, (2092), 3 states have internal predecessors, (2092), 0 states have call successors, (0), 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 05:39:14,604 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 726.0) internal successors, (2904), 4 states have internal predecessors, (2904), 0 states have call successors, (0), 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 05:39:14,604 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 726.0) internal successors, (2904), 4 states have internal predecessors, (2904), 0 states have call successors, (0), 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 05:39:14,604 INFO L175 Difference]: Start difference. First operand has 621 places, 621 transitions, 1333 flow. Second operand 3 states and 2092 transitions. [2023-11-29 05:39:14,604 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 622 places, 623 transitions, 1357 flow [2023-11-29 05:39:14,610 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 620 places, 623 transitions, 1353 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 05:39:14,617 INFO L231 Difference]: Finished difference. Result has 621 places, 621 transitions, 1334 flow [2023-11-29 05:39:14,618 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=726, PETRI_DIFFERENCE_MINUEND_FLOW=1327, PETRI_DIFFERENCE_MINUEND_PLACES=618, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=620, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=619, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1334, PETRI_PLACES=621, PETRI_TRANSITIONS=621} [2023-11-29 05:39:14,618 INFO L281 CegarLoopForPetriNet]: 678 programPoint places, -57 predicate places. [2023-11-29 05:39:14,618 INFO L495 AbstractCegarLoop]: Abstraction has has 621 places, 621 transitions, 1334 flow [2023-11-29 05:39:14,619 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 695.3333333333334) internal successors, (2086), 3 states have internal predecessors, (2086), 0 states have call successors, (0), 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 05:39:14,619 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 05:39:14,619 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:39:14,619 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2023-11-29 05:39:14,619 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting thread2Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err21ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE (and 121 more)] === [2023-11-29 05:39:14,620 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:39:14,620 INFO L85 PathProgramCache]: Analyzing trace with hash 248078777, now seen corresponding path program 1 times [2023-11-29 05:39:14,620 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:39:14,620 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [237509378] [2023-11-29 05:39:14,620 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:39:14,620 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:39:14,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:39:14,676 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 05:39:14,676 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:39:14,676 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [237509378] [2023-11-29 05:39:14,676 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [237509378] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:39:14,676 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:39:14,676 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 05:39:14,677 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [671507657] [2023-11-29 05:39:14,677 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:39:14,677 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 05:39:14,678 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:39:14,678 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 05:39:14,678 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 05:39:14,686 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 694 out of 726 [2023-11-29 05:39:14,688 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 621 places, 621 transitions, 1334 flow. Second operand has 3 states, 3 states have (on average 695.6666666666666) internal successors, (2087), 3 states have internal predecessors, (2087), 0 states have call successors, (0), 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 05:39:14,688 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 05:39:14,688 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 694 of 726 [2023-11-29 05:39:14,688 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 05:39:15,881 INFO L124 PetriNetUnfolderBase]: 135/6409 cut-off events. [2023-11-29 05:39:15,881 INFO L125 PetriNetUnfolderBase]: For 16/24 co-relation queries the response was YES. [2023-11-29 05:39:15,919 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7006 conditions, 6409 events. 135/6409 cut-off events. For 16/24 co-relation queries the response was YES. Maximal size of possible extension queue 51. Compared 53918 event pairs, 8 based on Foata normal form. 0/5975 useless extension candidates. Maximal degree in co-relation 6901. Up to 68 conditions per place. [2023-11-29 05:39:15,927 INFO L140 encePairwiseOnDemand]: 724/726 looper letters, 7 selfloop transitions, 1 changer transitions 0/622 dead transitions. [2023-11-29 05:39:15,927 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 622 places, 622 transitions, 1353 flow [2023-11-29 05:39:15,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 05:39:15,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 05:39:15,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2091 transitions. [2023-11-29 05:39:15,931 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9600550964187328 [2023-11-29 05:39:15,931 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 2091 transitions. [2023-11-29 05:39:15,931 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 2091 transitions. [2023-11-29 05:39:15,932 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 05:39:15,932 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 2091 transitions. [2023-11-29 05:39:15,934 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 697.0) internal successors, (2091), 3 states have internal predecessors, (2091), 0 states have call successors, (0), 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 05:39:15,936 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 726.0) internal successors, (2904), 4 states have internal predecessors, (2904), 0 states have call successors, (0), 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 05:39:15,936 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 726.0) internal successors, (2904), 4 states have internal predecessors, (2904), 0 states have call successors, (0), 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 05:39:15,937 INFO L175 Difference]: Start difference. First operand has 621 places, 621 transitions, 1334 flow. Second operand 3 states and 2091 transitions. [2023-11-29 05:39:15,937 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 622 places, 622 transitions, 1353 flow [2023-11-29 05:39:15,940 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 622 places, 622 transitions, 1353 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-29 05:39:15,945 INFO L231 Difference]: Finished difference. Result has 623 places, 621 transitions, 1339 flow [2023-11-29 05:39:15,945 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=726, PETRI_DIFFERENCE_MINUEND_FLOW=1332, PETRI_DIFFERENCE_MINUEND_PLACES=620, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=620, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=619, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1339, PETRI_PLACES=623, PETRI_TRANSITIONS=621} [2023-11-29 05:39:15,946 INFO L281 CegarLoopForPetriNet]: 678 programPoint places, -55 predicate places. [2023-11-29 05:39:15,946 INFO L495 AbstractCegarLoop]: Abstraction has has 623 places, 621 transitions, 1339 flow [2023-11-29 05:39:15,946 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 695.6666666666666) internal successors, (2087), 3 states have internal predecessors, (2087), 0 states have call successors, (0), 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 05:39:15,946 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 05:39:15,946 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:39:15,947 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2023-11-29 05:39:15,947 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err21ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE (and 121 more)] === [2023-11-29 05:39:15,947 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:39:15,947 INFO L85 PathProgramCache]: Analyzing trace with hash 1233832625, now seen corresponding path program 1 times [2023-11-29 05:39:15,947 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:39:15,947 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1773086798] [2023-11-29 05:39:15,947 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:39:15,947 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:39:15,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:39:16,380 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 05:39:16,380 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:39:16,380 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1773086798] [2023-11-29 05:39:16,380 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1773086798] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:39:16,381 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:39:16,381 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 05:39:16,381 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1698869823] [2023-11-29 05:39:16,381 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:39:16,381 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 05:39:16,382 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:39:16,382 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 05:39:16,382 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-29 05:39:16,770 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 684 out of 726 [2023-11-29 05:39:16,773 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 623 places, 621 transitions, 1339 flow. Second operand has 6 states, 6 states have (on average 685.6666666666666) internal successors, (4114), 6 states have internal predecessors, (4114), 0 states have call successors, (0), 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 05:39:16,773 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 05:39:16,773 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 684 of 726 [2023-11-29 05:39:16,773 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 05:39:17,800 INFO L124 PetriNetUnfolderBase]: 117/5793 cut-off events. [2023-11-29 05:39:17,800 INFO L125 PetriNetUnfolderBase]: For 8/16 co-relation queries the response was YES. [2023-11-29 05:39:17,852 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6380 conditions, 5793 events. 117/5793 cut-off events. For 8/16 co-relation queries the response was YES. Maximal size of possible extension queue 46. Compared 47790 event pairs, 8 based on Foata normal form. 0/5413 useless extension candidates. Maximal degree in co-relation 6273. Up to 64 conditions per place. [2023-11-29 05:39:17,861 INFO L140 encePairwiseOnDemand]: 721/726 looper letters, 10 selfloop transitions, 4 changer transitions 0/620 dead transitions. [2023-11-29 05:39:17,861 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 627 places, 620 transitions, 1365 flow [2023-11-29 05:39:17,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 05:39:17,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-29 05:39:17,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 4119 transitions. [2023-11-29 05:39:17,865 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9455922865013774 [2023-11-29 05:39:17,865 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 4119 transitions. [2023-11-29 05:39:17,865 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 4119 transitions. [2023-11-29 05:39:17,866 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 05:39:17,866 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 4119 transitions. [2023-11-29 05:39:17,871 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 686.5) internal successors, (4119), 6 states have internal predecessors, (4119), 0 states have call successors, (0), 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 05:39:17,874 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 726.0) internal successors, (5082), 7 states have internal predecessors, (5082), 0 states have call successors, (0), 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 05:39:17,874 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 726.0) internal successors, (5082), 7 states have internal predecessors, (5082), 0 states have call successors, (0), 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 05:39:17,874 INFO L175 Difference]: Start difference. First operand has 623 places, 621 transitions, 1339 flow. Second operand 6 states and 4119 transitions. [2023-11-29 05:39:17,874 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 627 places, 620 transitions, 1365 flow [2023-11-29 05:39:17,878 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 627 places, 620 transitions, 1365 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-29 05:39:17,883 INFO L231 Difference]: Finished difference. Result has 627 places, 620 transitions, 1345 flow [2023-11-29 05:39:17,883 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=726, PETRI_DIFFERENCE_MINUEND_FLOW=1337, PETRI_DIFFERENCE_MINUEND_PLACES=622, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=620, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=616, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1345, PETRI_PLACES=627, PETRI_TRANSITIONS=620} [2023-11-29 05:39:17,884 INFO L281 CegarLoopForPetriNet]: 678 programPoint places, -51 predicate places. [2023-11-29 05:39:17,884 INFO L495 AbstractCegarLoop]: Abstraction has has 627 places, 620 transitions, 1345 flow [2023-11-29 05:39:17,885 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 685.6666666666666) internal successors, (4114), 6 states have internal predecessors, (4114), 0 states have call successors, (0), 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 05:39:17,885 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 05:39:17,885 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:39:17,885 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2023-11-29 05:39:17,885 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting thread1Err14ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err21ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE (and 121 more)] === [2023-11-29 05:39:17,885 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:39:17,885 INFO L85 PathProgramCache]: Analyzing trace with hash -1884946642, now seen corresponding path program 1 times [2023-11-29 05:39:17,885 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:39:17,885 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [532370641] [2023-11-29 05:39:17,885 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:39:17,886 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:39:17,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:39:17,930 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 05:39:17,930 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:39:17,930 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [532370641] [2023-11-29 05:39:17,931 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [532370641] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:39:17,931 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:39:17,931 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 05:39:17,931 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [89506231] [2023-11-29 05:39:17,931 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:39:17,932 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 05:39:17,932 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:39:17,932 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 05:39:17,932 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 05:39:17,956 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 687 out of 726 [2023-11-29 05:39:17,957 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 627 places, 620 transitions, 1345 flow. Second operand has 3 states, 3 states have (on average 689.0) internal successors, (2067), 3 states have internal predecessors, (2067), 0 states have call successors, (0), 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 05:39:17,957 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 05:39:17,957 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 687 of 726 [2023-11-29 05:39:17,958 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 05:39:19,406 INFO L124 PetriNetUnfolderBase]: 231/9129 cut-off events. [2023-11-29 05:39:19,406 INFO L125 PetriNetUnfolderBase]: For 85/85 co-relation queries the response was YES. [2023-11-29 05:39:19,469 INFO L83 FinitePrefix]: Finished finitePrefix Result has 10203 conditions, 9129 events. 231/9129 cut-off events. For 85/85 co-relation queries the response was YES. Maximal size of possible extension queue 69. Compared 84769 event pairs, 36 based on Foata normal form. 0/8499 useless extension candidates. Maximal degree in co-relation 10119. Up to 159 conditions per place. [2023-11-29 05:39:19,482 INFO L140 encePairwiseOnDemand]: 723/726 looper letters, 13 selfloop transitions, 2 changer transitions 0/620 dead transitions. [2023-11-29 05:39:19,483 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 628 places, 620 transitions, 1376 flow [2023-11-29 05:39:19,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 05:39:19,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 05:39:19,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2075 transitions. [2023-11-29 05:39:19,485 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9527089072543617 [2023-11-29 05:39:19,485 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 2075 transitions. [2023-11-29 05:39:19,485 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 2075 transitions. [2023-11-29 05:39:19,485 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 05:39:19,485 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 2075 transitions. [2023-11-29 05:39:19,486 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 691.6666666666666) internal successors, (2075), 3 states have internal predecessors, (2075), 0 states have call successors, (0), 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 05:39:19,488 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 726.0) internal successors, (2904), 4 states have internal predecessors, (2904), 0 states have call successors, (0), 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 05:39:19,488 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 726.0) internal successors, (2904), 4 states have internal predecessors, (2904), 0 states have call successors, (0), 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 05:39:19,488 INFO L175 Difference]: Start difference. First operand has 627 places, 620 transitions, 1345 flow. Second operand 3 states and 2075 transitions. [2023-11-29 05:39:19,488 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 628 places, 620 transitions, 1376 flow [2023-11-29 05:39:19,492 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 624 places, 620 transitions, 1369 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-11-29 05:39:19,499 INFO L231 Difference]: Finished difference. Result has 624 places, 619 transitions, 1340 flow [2023-11-29 05:39:19,500 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=726, PETRI_DIFFERENCE_MINUEND_FLOW=1336, PETRI_DIFFERENCE_MINUEND_PLACES=622, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=619, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=617, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1340, PETRI_PLACES=624, PETRI_TRANSITIONS=619} [2023-11-29 05:39:19,501 INFO L281 CegarLoopForPetriNet]: 678 programPoint places, -54 predicate places. [2023-11-29 05:39:19,501 INFO L495 AbstractCegarLoop]: Abstraction has has 624 places, 619 transitions, 1340 flow [2023-11-29 05:39:19,501 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 689.0) internal successors, (2067), 3 states have internal predecessors, (2067), 0 states have call successors, (0), 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 05:39:19,501 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 05:39:19,501 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:39:19,502 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2023-11-29 05:39:19,502 INFO L420 AbstractCegarLoop]: === Iteration 29 === Targeting thread2Err14ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err21ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE (and 121 more)] === [2023-11-29 05:39:19,502 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:39:19,502 INFO L85 PathProgramCache]: Analyzing trace with hash 1648898122, now seen corresponding path program 1 times [2023-11-29 05:39:19,502 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:39:19,502 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1869154774] [2023-11-29 05:39:19,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:39:19,503 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:39:19,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:39:19,562 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 05:39:19,563 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:39:19,563 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1869154774] [2023-11-29 05:39:19,563 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1869154774] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:39:19,563 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:39:19,563 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 05:39:19,564 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [373586693] [2023-11-29 05:39:19,564 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:39:19,564 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 05:39:19,565 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:39:19,565 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 05:39:19,565 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 05:39:19,596 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 687 out of 726 [2023-11-29 05:39:19,597 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 624 places, 619 transitions, 1340 flow. Second operand has 3 states, 3 states have (on average 689.3333333333334) internal successors, (2068), 3 states have internal predecessors, (2068), 0 states have call successors, (0), 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 05:39:19,597 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 05:39:19,597 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 687 of 726 [2023-11-29 05:39:19,597 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 05:39:20,679 INFO L124 PetriNetUnfolderBase]: 147/6229 cut-off events. [2023-11-29 05:39:20,680 INFO L125 PetriNetUnfolderBase]: For 105/113 co-relation queries the response was YES. [2023-11-29 05:39:20,733 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6963 conditions, 6229 events. 147/6229 cut-off events. For 105/113 co-relation queries the response was YES. Maximal size of possible extension queue 56. Compared 52788 event pairs, 22 based on Foata normal form. 0/5823 useless extension candidates. Maximal degree in co-relation 6856. Up to 150 conditions per place. [2023-11-29 05:39:20,743 INFO L140 encePairwiseOnDemand]: 723/726 looper letters, 13 selfloop transitions, 2 changer transitions 0/619 dead transitions. [2023-11-29 05:39:20,743 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 625 places, 619 transitions, 1371 flow [2023-11-29 05:39:20,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 05:39:20,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 05:39:20,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2075 transitions. [2023-11-29 05:39:20,746 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9527089072543617 [2023-11-29 05:39:20,746 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 2075 transitions. [2023-11-29 05:39:20,746 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 2075 transitions. [2023-11-29 05:39:20,747 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 05:39:20,747 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 2075 transitions. [2023-11-29 05:39:20,748 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 691.6666666666666) internal successors, (2075), 3 states have internal predecessors, (2075), 0 states have call successors, (0), 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 05:39:20,749 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 726.0) internal successors, (2904), 4 states have internal predecessors, (2904), 0 states have call successors, (0), 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 05:39:20,749 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 726.0) internal successors, (2904), 4 states have internal predecessors, (2904), 0 states have call successors, (0), 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 05:39:20,749 INFO L175 Difference]: Start difference. First operand has 624 places, 619 transitions, 1340 flow. Second operand 3 states and 2075 transitions. [2023-11-29 05:39:20,749 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 625 places, 619 transitions, 1371 flow [2023-11-29 05:39:20,753 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 623 places, 619 transitions, 1367 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 05:39:20,757 INFO L231 Difference]: Finished difference. Result has 623 places, 618 transitions, 1338 flow [2023-11-29 05:39:20,758 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=726, PETRI_DIFFERENCE_MINUEND_FLOW=1334, PETRI_DIFFERENCE_MINUEND_PLACES=621, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=618, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=616, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1338, PETRI_PLACES=623, PETRI_TRANSITIONS=618} [2023-11-29 05:39:20,759 INFO L281 CegarLoopForPetriNet]: 678 programPoint places, -55 predicate places. [2023-11-29 05:39:20,759 INFO L495 AbstractCegarLoop]: Abstraction has has 623 places, 618 transitions, 1338 flow [2023-11-29 05:39:20,760 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 689.3333333333334) internal successors, (2068), 3 states have internal predecessors, (2068), 0 states have call successors, (0), 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 05:39:20,760 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 05:39:20,760 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:39:20,760 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2023-11-29 05:39:20,760 INFO L420 AbstractCegarLoop]: === Iteration 30 === Targeting thread1Err11ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err21ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE (and 121 more)] === [2023-11-29 05:39:20,760 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:39:20,761 INFO L85 PathProgramCache]: Analyzing trace with hash 162133779, now seen corresponding path program 1 times [2023-11-29 05:39:20,761 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:39:20,761 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [654440956] [2023-11-29 05:39:20,761 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:39:20,761 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:39:20,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:39:20,831 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 05:39:20,831 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:39:20,831 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [654440956] [2023-11-29 05:39:20,831 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [654440956] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:39:20,831 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:39:20,832 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 05:39:20,832 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1426947057] [2023-11-29 05:39:20,832 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:39:20,832 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 05:39:20,833 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:39:20,833 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 05:39:20,833 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 05:39:20,886 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 681 out of 726 [2023-11-29 05:39:20,887 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 623 places, 618 transitions, 1338 flow. Second operand has 3 states, 3 states have (on average 683.6666666666666) internal successors, (2051), 3 states have internal predecessors, (2051), 0 states have call successors, (0), 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 05:39:20,887 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 05:39:20,887 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 681 of 726 [2023-11-29 05:39:20,887 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 05:39:22,545 INFO L124 PetriNetUnfolderBase]: 281/10695 cut-off events. [2023-11-29 05:39:22,545 INFO L125 PetriNetUnfolderBase]: For 90/94 co-relation queries the response was YES. [2023-11-29 05:39:22,618 INFO L83 FinitePrefix]: Finished finitePrefix Result has 12066 conditions, 10695 events. 281/10695 cut-off events. For 90/94 co-relation queries the response was YES. Maximal size of possible extension queue 85. Compared 106392 event pairs, 64 based on Foata normal form. 0/9990 useless extension candidates. Maximal degree in co-relation 11959. Up to 254 conditions per place. [2023-11-29 05:39:22,634 INFO L140 encePairwiseOnDemand]: 723/726 looper letters, 20 selfloop transitions, 2 changer transitions 0/618 dead transitions. [2023-11-29 05:39:22,635 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 624 places, 618 transitions, 1383 flow [2023-11-29 05:39:22,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 05:39:22,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 05:39:22,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2064 transitions. [2023-11-29 05:39:22,637 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9476584022038568 [2023-11-29 05:39:22,637 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 2064 transitions. [2023-11-29 05:39:22,637 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 2064 transitions. [2023-11-29 05:39:22,637 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 05:39:22,637 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 2064 transitions. [2023-11-29 05:39:22,639 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 688.0) internal successors, (2064), 3 states have internal predecessors, (2064), 0 states have call successors, (0), 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 05:39:22,640 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 726.0) internal successors, (2904), 4 states have internal predecessors, (2904), 0 states have call successors, (0), 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 05:39:22,640 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 726.0) internal successors, (2904), 4 states have internal predecessors, (2904), 0 states have call successors, (0), 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 05:39:22,640 INFO L175 Difference]: Start difference. First operand has 623 places, 618 transitions, 1338 flow. Second operand 3 states and 2064 transitions. [2023-11-29 05:39:22,640 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 624 places, 618 transitions, 1383 flow [2023-11-29 05:39:22,644 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 622 places, 618 transitions, 1379 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 05:39:22,648 INFO L231 Difference]: Finished difference. Result has 622 places, 617 transitions, 1336 flow [2023-11-29 05:39:22,649 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=726, PETRI_DIFFERENCE_MINUEND_FLOW=1332, PETRI_DIFFERENCE_MINUEND_PLACES=620, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=617, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=615, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1336, PETRI_PLACES=622, PETRI_TRANSITIONS=617} [2023-11-29 05:39:22,649 INFO L281 CegarLoopForPetriNet]: 678 programPoint places, -56 predicate places. [2023-11-29 05:39:22,649 INFO L495 AbstractCegarLoop]: Abstraction has has 622 places, 617 transitions, 1336 flow [2023-11-29 05:39:22,650 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 683.6666666666666) internal successors, (2051), 3 states have internal predecessors, (2051), 0 states have call successors, (0), 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 05:39:22,650 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 05:39:22,650 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:39:22,650 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2023-11-29 05:39:22,650 INFO L420 AbstractCegarLoop]: === Iteration 31 === Targeting thread2Err11ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err21ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE (and 121 more)] === [2023-11-29 05:39:22,650 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:39:22,651 INFO L85 PathProgramCache]: Analyzing trace with hash -412607697, now seen corresponding path program 1 times [2023-11-29 05:39:22,651 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:39:22,651 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [652705647] [2023-11-29 05:39:22,651 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:39:22,651 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:39:22,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:39:22,701 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 05:39:22,701 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:39:22,701 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [652705647] [2023-11-29 05:39:22,702 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [652705647] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:39:22,702 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:39:22,702 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 05:39:22,702 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [882536039] [2023-11-29 05:39:22,702 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:39:22,702 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 05:39:22,703 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:39:22,703 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 05:39:22,703 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 05:39:22,739 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 686 out of 726 [2023-11-29 05:39:22,741 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 622 places, 617 transitions, 1336 flow. Second operand has 3 states, 3 states have (on average 689.0) internal successors, (2067), 3 states have internal predecessors, (2067), 0 states have call successors, (0), 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 05:39:22,741 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 05:39:22,741 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 686 of 726 [2023-11-29 05:39:22,741 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 05:39:23,895 INFO L124 PetriNetUnfolderBase]: 163/6599 cut-off events. [2023-11-29 05:39:23,896 INFO L125 PetriNetUnfolderBase]: For 111/119 co-relation queries the response was YES. [2023-11-29 05:39:23,936 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7433 conditions, 6599 events. 163/6599 cut-off events. For 111/119 co-relation queries the response was YES. Maximal size of possible extension queue 68. Compared 58642 event pairs, 36 based on Foata normal form. 0/6186 useless extension candidates. Maximal degree in co-relation 7326. Up to 199 conditions per place. [2023-11-29 05:39:23,944 INFO L140 encePairwiseOnDemand]: 723/726 looper letters, 15 selfloop transitions, 2 changer transitions 0/617 dead transitions. [2023-11-29 05:39:23,944 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 623 places, 617 transitions, 1371 flow [2023-11-29 05:39:23,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 05:39:23,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 05:39:23,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2074 transitions. [2023-11-29 05:39:23,946 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9522497704315886 [2023-11-29 05:39:23,946 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 2074 transitions. [2023-11-29 05:39:23,946 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 2074 transitions. [2023-11-29 05:39:23,947 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 05:39:23,947 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 2074 transitions. [2023-11-29 05:39:23,948 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 691.3333333333334) internal successors, (2074), 3 states have internal predecessors, (2074), 0 states have call successors, (0), 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 05:39:23,950 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 726.0) internal successors, (2904), 4 states have internal predecessors, (2904), 0 states have call successors, (0), 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 05:39:23,950 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 726.0) internal successors, (2904), 4 states have internal predecessors, (2904), 0 states have call successors, (0), 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 05:39:23,950 INFO L175 Difference]: Start difference. First operand has 622 places, 617 transitions, 1336 flow. Second operand 3 states and 2074 transitions. [2023-11-29 05:39:23,951 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 623 places, 617 transitions, 1371 flow [2023-11-29 05:39:23,953 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 621 places, 617 transitions, 1367 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 05:39:23,958 INFO L231 Difference]: Finished difference. Result has 621 places, 616 transitions, 1334 flow [2023-11-29 05:39:23,958 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=726, PETRI_DIFFERENCE_MINUEND_FLOW=1330, PETRI_DIFFERENCE_MINUEND_PLACES=619, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=616, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=614, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1334, PETRI_PLACES=621, PETRI_TRANSITIONS=616} [2023-11-29 05:39:23,959 INFO L281 CegarLoopForPetriNet]: 678 programPoint places, -57 predicate places. [2023-11-29 05:39:23,959 INFO L495 AbstractCegarLoop]: Abstraction has has 621 places, 616 transitions, 1334 flow [2023-11-29 05:39:23,959 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 689.0) internal successors, (2067), 3 states have internal predecessors, (2067), 0 states have call successors, (0), 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 05:39:23,959 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 05:39:23,959 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:39:23,959 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2023-11-29 05:39:23,959 INFO L420 AbstractCegarLoop]: === Iteration 32 === Targeting thread1Err18ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err21ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE (and 121 more)] === [2023-11-29 05:39:23,960 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:39:23,960 INFO L85 PathProgramCache]: Analyzing trace with hash 422832227, now seen corresponding path program 1 times [2023-11-29 05:39:23,960 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:39:23,960 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [723195546] [2023-11-29 05:39:23,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:39:23,960 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:39:23,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:39:24,011 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 05:39:24,011 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:39:24,012 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [723195546] [2023-11-29 05:39:24,012 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [723195546] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:39:24,012 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:39:24,012 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 05:39:24,012 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1008373354] [2023-11-29 05:39:24,012 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:39:24,013 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 05:39:24,013 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:39:24,014 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 05:39:24,014 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 05:39:24,070 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 681 out of 726 [2023-11-29 05:39:24,071 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 621 places, 616 transitions, 1334 flow. Second operand has 3 states, 3 states have (on average 683.6666666666666) internal successors, (2051), 3 states have internal predecessors, (2051), 0 states have call successors, (0), 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 05:39:24,071 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 05:39:24,071 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 681 of 726 [2023-11-29 05:39:24,072 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 05:39:25,982 INFO L124 PetriNetUnfolderBase]: 283/11055 cut-off events. [2023-11-29 05:39:25,982 INFO L125 PetriNetUnfolderBase]: For 121/129 co-relation queries the response was YES. [2023-11-29 05:39:26,061 INFO L83 FinitePrefix]: Finished finitePrefix Result has 12476 conditions, 11055 events. 283/11055 cut-off events. For 121/129 co-relation queries the response was YES. Maximal size of possible extension queue 91. Compared 108928 event pairs, 56 based on Foata normal form. 0/10353 useless extension candidates. Maximal degree in co-relation 12369. Up to 246 conditions per place. [2023-11-29 05:39:26,079 INFO L140 encePairwiseOnDemand]: 723/726 looper letters, 20 selfloop transitions, 2 changer transitions 0/616 dead transitions. [2023-11-29 05:39:26,079 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 622 places, 616 transitions, 1379 flow [2023-11-29 05:39:26,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 05:39:26,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 05:39:26,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2064 transitions. [2023-11-29 05:39:26,081 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9476584022038568 [2023-11-29 05:39:26,081 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 2064 transitions. [2023-11-29 05:39:26,081 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 2064 transitions. [2023-11-29 05:39:26,082 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 05:39:26,082 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 2064 transitions. [2023-11-29 05:39:26,083 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 688.0) internal successors, (2064), 3 states have internal predecessors, (2064), 0 states have call successors, (0), 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 05:39:26,084 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 726.0) internal successors, (2904), 4 states have internal predecessors, (2904), 0 states have call successors, (0), 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 05:39:26,085 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 726.0) internal successors, (2904), 4 states have internal predecessors, (2904), 0 states have call successors, (0), 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 05:39:26,085 INFO L175 Difference]: Start difference. First operand has 621 places, 616 transitions, 1334 flow. Second operand 3 states and 2064 transitions. [2023-11-29 05:39:26,085 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 622 places, 616 transitions, 1379 flow [2023-11-29 05:39:26,091 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 620 places, 616 transitions, 1375 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 05:39:26,097 INFO L231 Difference]: Finished difference. Result has 620 places, 615 transitions, 1332 flow [2023-11-29 05:39:26,098 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=726, PETRI_DIFFERENCE_MINUEND_FLOW=1328, PETRI_DIFFERENCE_MINUEND_PLACES=618, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=615, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=613, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1332, PETRI_PLACES=620, PETRI_TRANSITIONS=615} [2023-11-29 05:39:26,099 INFO L281 CegarLoopForPetriNet]: 678 programPoint places, -58 predicate places. [2023-11-29 05:39:26,099 INFO L495 AbstractCegarLoop]: Abstraction has has 620 places, 615 transitions, 1332 flow [2023-11-29 05:39:26,099 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 683.6666666666666) internal successors, (2051), 3 states have internal predecessors, (2051), 0 states have call successors, (0), 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 05:39:26,099 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 05:39:26,100 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:39:26,100 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2023-11-29 05:39:26,100 INFO L420 AbstractCegarLoop]: === Iteration 33 === Targeting thread1Err20ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err21ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE (and 121 more)] === [2023-11-29 05:39:26,100 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:39:26,100 INFO L85 PathProgramCache]: Analyzing trace with hash -1313997218, now seen corresponding path program 1 times [2023-11-29 05:39:26,100 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:39:26,100 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [105032906] [2023-11-29 05:39:26,101 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:39:26,101 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:39:26,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:39:26,165 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 05:39:26,166 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:39:26,166 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [105032906] [2023-11-29 05:39:26,166 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [105032906] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:39:26,166 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:39:26,166 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 05:39:26,166 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [534580647] [2023-11-29 05:39:26,166 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:39:26,167 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 05:39:26,167 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:39:26,167 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 05:39:26,168 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 05:39:26,198 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 686 out of 726 [2023-11-29 05:39:26,199 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 620 places, 615 transitions, 1332 flow. Second operand has 3 states, 3 states have (on average 689.0) internal successors, (2067), 3 states have internal predecessors, (2067), 0 states have call successors, (0), 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 05:39:26,199 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 05:39:26,199 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 686 of 726 [2023-11-29 05:39:26,199 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 05:39:27,349 INFO L124 PetriNetUnfolderBase]: 233/7497 cut-off events. [2023-11-29 05:39:27,349 INFO L125 PetriNetUnfolderBase]: For 52/52 co-relation queries the response was YES. [2023-11-29 05:39:27,405 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8572 conditions, 7497 events. 233/7497 cut-off events. For 52/52 co-relation queries the response was YES. Maximal size of possible extension queue 61. Compared 68979 event pairs, 76 based on Foata normal form. 0/7061 useless extension candidates. Maximal degree in co-relation 8504. Up to 266 conditions per place. [2023-11-29 05:39:27,416 INFO L140 encePairwiseOnDemand]: 723/726 looper letters, 14 selfloop transitions, 2 changer transitions 0/615 dead transitions. [2023-11-29 05:39:27,416 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 621 places, 615 transitions, 1365 flow [2023-11-29 05:39:27,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 05:39:27,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 05:39:27,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2074 transitions. [2023-11-29 05:39:27,418 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9522497704315886 [2023-11-29 05:39:27,418 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 2074 transitions. [2023-11-29 05:39:27,418 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 2074 transitions. [2023-11-29 05:39:27,418 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 05:39:27,418 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 2074 transitions. [2023-11-29 05:39:27,420 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 691.3333333333334) internal successors, (2074), 3 states have internal predecessors, (2074), 0 states have call successors, (0), 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 05:39:27,421 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 726.0) internal successors, (2904), 4 states have internal predecessors, (2904), 0 states have call successors, (0), 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 05:39:27,421 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 726.0) internal successors, (2904), 4 states have internal predecessors, (2904), 0 states have call successors, (0), 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 05:39:27,421 INFO L175 Difference]: Start difference. First operand has 620 places, 615 transitions, 1332 flow. Second operand 3 states and 2074 transitions. [2023-11-29 05:39:27,421 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 621 places, 615 transitions, 1365 flow [2023-11-29 05:39:27,425 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 619 places, 615 transitions, 1361 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 05:39:27,429 INFO L231 Difference]: Finished difference. Result has 619 places, 614 transitions, 1330 flow [2023-11-29 05:39:27,430 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=726, PETRI_DIFFERENCE_MINUEND_FLOW=1326, PETRI_DIFFERENCE_MINUEND_PLACES=617, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=614, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=612, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1330, PETRI_PLACES=619, PETRI_TRANSITIONS=614} [2023-11-29 05:39:27,430 INFO L281 CegarLoopForPetriNet]: 678 programPoint places, -59 predicate places. [2023-11-29 05:39:27,430 INFO L495 AbstractCegarLoop]: Abstraction has has 619 places, 614 transitions, 1330 flow [2023-11-29 05:39:27,430 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 689.0) internal successors, (2067), 3 states have internal predecessors, (2067), 0 states have call successors, (0), 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 05:39:27,430 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 05:39:27,431 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:39:27,431 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2023-11-29 05:39:27,431 INFO L420 AbstractCegarLoop]: === Iteration 34 === Targeting thread2Err18ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err21ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE (and 121 more)] === [2023-11-29 05:39:27,431 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:39:27,431 INFO L85 PathProgramCache]: Analyzing trace with hash -1402273921, now seen corresponding path program 1 times [2023-11-29 05:39:27,431 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:39:27,431 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1374807936] [2023-11-29 05:39:27,432 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:39:27,432 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:39:27,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:39:27,489 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 05:39:27,489 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:39:27,489 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1374807936] [2023-11-29 05:39:27,489 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1374807936] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:39:27,489 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:39:27,489 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 05:39:27,490 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1258596705] [2023-11-29 05:39:27,490 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:39:27,490 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 05:39:27,491 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:39:27,491 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 05:39:27,491 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 05:39:27,526 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 686 out of 726 [2023-11-29 05:39:27,527 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 619 places, 614 transitions, 1330 flow. Second operand has 3 states, 3 states have (on average 689.0) internal successors, (2067), 3 states have internal predecessors, (2067), 0 states have call successors, (0), 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 05:39:27,527 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 05:39:27,527 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 686 of 726 [2023-11-29 05:39:27,527 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 05:39:28,662 INFO L124 PetriNetUnfolderBase]: 155/6569 cut-off events. [2023-11-29 05:39:28,662 INFO L125 PetriNetUnfolderBase]: For 113/121 co-relation queries the response was YES. [2023-11-29 05:39:28,716 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7365 conditions, 6569 events. 155/6569 cut-off events. For 113/121 co-relation queries the response was YES. Maximal size of possible extension queue 65. Compared 57524 event pairs, 32 based on Foata normal form. 0/6181 useless extension candidates. Maximal degree in co-relation 7258. Up to 185 conditions per place. [2023-11-29 05:39:28,725 INFO L140 encePairwiseOnDemand]: 723/726 looper letters, 15 selfloop transitions, 2 changer transitions 0/614 dead transitions. [2023-11-29 05:39:28,725 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 620 places, 614 transitions, 1365 flow [2023-11-29 05:39:28,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 05:39:28,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 05:39:28,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2074 transitions. [2023-11-29 05:39:28,727 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9522497704315886 [2023-11-29 05:39:28,727 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 2074 transitions. [2023-11-29 05:39:28,727 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 2074 transitions. [2023-11-29 05:39:28,728 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 05:39:28,728 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 2074 transitions. [2023-11-29 05:39:28,729 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 691.3333333333334) internal successors, (2074), 3 states have internal predecessors, (2074), 0 states have call successors, (0), 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 05:39:28,730 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 726.0) internal successors, (2904), 4 states have internal predecessors, (2904), 0 states have call successors, (0), 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 05:39:28,731 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 726.0) internal successors, (2904), 4 states have internal predecessors, (2904), 0 states have call successors, (0), 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 05:39:28,731 INFO L175 Difference]: Start difference. First operand has 619 places, 614 transitions, 1330 flow. Second operand 3 states and 2074 transitions. [2023-11-29 05:39:28,731 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 620 places, 614 transitions, 1365 flow [2023-11-29 05:39:28,734 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 618 places, 614 transitions, 1361 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 05:39:28,739 INFO L231 Difference]: Finished difference. Result has 618 places, 613 transitions, 1328 flow [2023-11-29 05:39:28,739 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=726, PETRI_DIFFERENCE_MINUEND_FLOW=1324, PETRI_DIFFERENCE_MINUEND_PLACES=616, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=613, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=611, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1328, PETRI_PLACES=618, PETRI_TRANSITIONS=613} [2023-11-29 05:39:28,740 INFO L281 CegarLoopForPetriNet]: 678 programPoint places, -60 predicate places. [2023-11-29 05:39:28,740 INFO L495 AbstractCegarLoop]: Abstraction has has 618 places, 613 transitions, 1328 flow [2023-11-29 05:39:28,740 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 689.0) internal successors, (2067), 3 states have internal predecessors, (2067), 0 states have call successors, (0), 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 05:39:28,740 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 05:39:28,740 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:39:28,740 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2023-11-29 05:39:28,740 INFO L420 AbstractCegarLoop]: === Iteration 35 === Targeting thread2Err20ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err21ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE (and 121 more)] === [2023-11-29 05:39:28,741 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:39:28,741 INFO L85 PathProgramCache]: Analyzing trace with hash 1400625722, now seen corresponding path program 1 times [2023-11-29 05:39:28,741 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:39:28,741 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2082195572] [2023-11-29 05:39:28,741 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:39:28,741 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:39:28,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:39:28,792 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 05:39:28,792 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:39:28,792 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2082195572] [2023-11-29 05:39:28,792 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2082195572] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:39:28,792 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:39:28,792 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 05:39:28,792 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [959779144] [2023-11-29 05:39:28,793 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:39:28,793 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 05:39:28,793 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:39:28,794 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 05:39:28,794 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 05:39:28,829 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 686 out of 726 [2023-11-29 05:39:28,830 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 618 places, 613 transitions, 1328 flow. Second operand has 3 states, 3 states have (on average 689.3333333333334) internal successors, (2068), 3 states have internal predecessors, (2068), 0 states have call successors, (0), 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 05:39:28,830 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 05:39:28,830 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 686 of 726 [2023-11-29 05:39:28,830 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 05:39:29,913 INFO L124 PetriNetUnfolderBase]: 175/6597 cut-off events. [2023-11-29 05:39:29,914 INFO L125 PetriNetUnfolderBase]: For 92/100 co-relation queries the response was YES. [2023-11-29 05:39:29,967 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7506 conditions, 6597 events. 175/6597 cut-off events. For 92/100 co-relation queries the response was YES. Maximal size of possible extension queue 76. Compared 59097 event pairs, 42 based on Foata normal form. 0/6218 useless extension candidates. Maximal degree in co-relation 7424. Up to 258 conditions per place. [2023-11-29 05:39:29,970 INFO L140 encePairwiseOnDemand]: 723/726 looper letters, 0 selfloop transitions, 0 changer transitions 613/613 dead transitions. [2023-11-29 05:39:29,970 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 619 places, 613 transitions, 1361 flow [2023-11-29 05:39:29,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 05:39:29,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 05:39:29,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2074 transitions. [2023-11-29 05:39:29,972 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9522497704315886 [2023-11-29 05:39:29,972 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 2074 transitions. [2023-11-29 05:39:29,972 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 2074 transitions. [2023-11-29 05:39:29,972 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 05:39:29,973 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 2074 transitions. [2023-11-29 05:39:29,974 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 691.3333333333334) internal successors, (2074), 3 states have internal predecessors, (2074), 0 states have call successors, (0), 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 05:39:29,975 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 726.0) internal successors, (2904), 4 states have internal predecessors, (2904), 0 states have call successors, (0), 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 05:39:29,975 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 726.0) internal successors, (2904), 4 states have internal predecessors, (2904), 0 states have call successors, (0), 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 05:39:29,975 INFO L175 Difference]: Start difference. First operand has 618 places, 613 transitions, 1328 flow. Second operand 3 states and 2074 transitions. [2023-11-29 05:39:29,975 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 619 places, 613 transitions, 1361 flow [2023-11-29 05:39:29,978 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 617 places, 613 transitions, 1357 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 05:39:29,981 INFO L231 Difference]: Finished difference. Result has 617 places, 0 transitions, 0 flow [2023-11-29 05:39:29,981 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=726, PETRI_DIFFERENCE_MINUEND_FLOW=1322, PETRI_DIFFERENCE_MINUEND_PLACES=615, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=612, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=612, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=617, PETRI_TRANSITIONS=0} [2023-11-29 05:39:29,981 INFO L281 CegarLoopForPetriNet]: 678 programPoint places, -61 predicate places. [2023-11-29 05:39:29,981 INFO L495 AbstractCegarLoop]: Abstraction has has 617 places, 0 transitions, 0 flow [2023-11-29 05:39:29,982 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 689.3333333333334) internal successors, (2068), 3 states have internal predecessors, (2068), 0 states have call successors, (0), 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 05:39:29,983 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (124 of 125 remaining) [2023-11-29 05:39:29,984 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err21ASSERT_VIOLATIONDATA_RACE (123 of 125 remaining) [2023-11-29 05:39:29,984 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (122 of 125 remaining) [2023-11-29 05:39:29,984 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err22ASSERT_VIOLATIONDATA_RACE (121 of 125 remaining) [2023-11-29 05:39:29,984 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (120 of 125 remaining) [2023-11-29 05:39:29,984 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (119 of 125 remaining) [2023-11-29 05:39:29,984 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (118 of 125 remaining) [2023-11-29 05:39:29,984 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (117 of 125 remaining) [2023-11-29 05:39:29,984 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err23ASSERT_VIOLATIONDATA_RACE (116 of 125 remaining) [2023-11-29 05:39:29,985 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (115 of 125 remaining) [2023-11-29 05:39:29,985 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (114 of 125 remaining) [2023-11-29 05:39:29,985 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err12ASSERT_VIOLATIONDATA_RACE (113 of 125 remaining) [2023-11-29 05:39:29,985 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (112 of 125 remaining) [2023-11-29 05:39:29,985 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err13ASSERT_VIOLATIONDATA_RACE (111 of 125 remaining) [2023-11-29 05:39:29,985 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (110 of 125 remaining) [2023-11-29 05:39:29,985 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (109 of 125 remaining) [2023-11-29 05:39:29,985 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err14ASSERT_VIOLATIONDATA_RACE (108 of 125 remaining) [2023-11-29 05:39:29,985 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err15ASSERT_VIOLATIONDATA_RACE (107 of 125 remaining) [2023-11-29 05:39:29,985 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err16ASSERT_VIOLATIONDATA_RACE (106 of 125 remaining) [2023-11-29 05:39:29,985 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err11ASSERT_VIOLATIONDATA_RACE (105 of 125 remaining) [2023-11-29 05:39:29,985 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err17ASSERT_VIOLATIONDATA_RACE (104 of 125 remaining) [2023-11-29 05:39:29,985 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err19ASSERT_VIOLATIONDATA_RACE (103 of 125 remaining) [2023-11-29 05:39:29,985 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err18ASSERT_VIOLATIONDATA_RACE (102 of 125 remaining) [2023-11-29 05:39:29,985 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err20ASSERT_VIOLATIONDATA_RACE (101 of 125 remaining) [2023-11-29 05:39:29,985 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (100 of 125 remaining) [2023-11-29 05:39:29,985 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err21ASSERT_VIOLATIONDATA_RACE (99 of 125 remaining) [2023-11-29 05:39:29,986 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (98 of 125 remaining) [2023-11-29 05:39:29,986 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err22ASSERT_VIOLATIONDATA_RACE (97 of 125 remaining) [2023-11-29 05:39:29,986 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (96 of 125 remaining) [2023-11-29 05:39:29,986 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (95 of 125 remaining) [2023-11-29 05:39:29,986 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (94 of 125 remaining) [2023-11-29 05:39:29,986 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (93 of 125 remaining) [2023-11-29 05:39:29,986 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err23ASSERT_VIOLATIONDATA_RACE (92 of 125 remaining) [2023-11-29 05:39:29,986 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (91 of 125 remaining) [2023-11-29 05:39:29,986 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (90 of 125 remaining) [2023-11-29 05:39:29,986 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (89 of 125 remaining) [2023-11-29 05:39:29,986 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (88 of 125 remaining) [2023-11-29 05:39:29,986 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONDATA_RACE (87 of 125 remaining) [2023-11-29 05:39:29,986 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (86 of 125 remaining) [2023-11-29 05:39:29,986 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (85 of 125 remaining) [2023-11-29 05:39:29,986 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err14ASSERT_VIOLATIONDATA_RACE (84 of 125 remaining) [2023-11-29 05:39:29,986 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err15ASSERT_VIOLATIONDATA_RACE (83 of 125 remaining) [2023-11-29 05:39:29,987 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err16ASSERT_VIOLATIONDATA_RACE (82 of 125 remaining) [2023-11-29 05:39:29,987 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (81 of 125 remaining) [2023-11-29 05:39:29,987 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err17ASSERT_VIOLATIONDATA_RACE (80 of 125 remaining) [2023-11-29 05:39:29,987 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err19ASSERT_VIOLATIONDATA_RACE (79 of 125 remaining) [2023-11-29 05:39:29,987 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err18ASSERT_VIOLATIONDATA_RACE (78 of 125 remaining) [2023-11-29 05:39:29,987 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err20ASSERT_VIOLATIONDATA_RACE (77 of 125 remaining) [2023-11-29 05:39:29,987 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (76 of 125 remaining) [2023-11-29 05:39:29,987 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (75 of 125 remaining) [2023-11-29 05:39:29,987 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (74 of 125 remaining) [2023-11-29 05:39:29,987 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (73 of 125 remaining) [2023-11-29 05:39:29,987 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (72 of 125 remaining) [2023-11-29 05:39:29,987 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (71 of 125 remaining) [2023-11-29 05:39:29,987 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (70 of 125 remaining) [2023-11-29 05:39:29,987 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (69 of 125 remaining) [2023-11-29 05:39:29,988 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (68 of 125 remaining) [2023-11-29 05:39:29,988 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (67 of 125 remaining) [2023-11-29 05:39:29,988 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (66 of 125 remaining) [2023-11-29 05:39:29,988 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (65 of 125 remaining) [2023-11-29 05:39:29,988 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (64 of 125 remaining) [2023-11-29 05:39:29,988 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (63 of 125 remaining) [2023-11-29 05:39:29,988 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE (62 of 125 remaining) [2023-11-29 05:39:29,988 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE (61 of 125 remaining) [2023-11-29 05:39:29,988 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONDATA_RACE (60 of 125 remaining) [2023-11-29 05:39:29,988 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr17ASSERT_VIOLATIONDATA_RACE (59 of 125 remaining) [2023-11-29 05:39:29,989 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE (58 of 125 remaining) [2023-11-29 05:39:29,989 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr19ASSERT_VIOLATIONDATA_RACE (57 of 125 remaining) [2023-11-29 05:39:29,989 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr20ASSERT_VIOLATIONDATA_RACE (56 of 125 remaining) [2023-11-29 05:39:29,989 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr21ASSERT_VIOLATIONDATA_RACE (55 of 125 remaining) [2023-11-29 05:39:29,989 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr22ASSERT_VIOLATIONDATA_RACE (54 of 125 remaining) [2023-11-29 05:39:29,989 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr23ASSERT_VIOLATIONDATA_RACE (53 of 125 remaining) [2023-11-29 05:39:29,989 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr24ASSERT_VIOLATIONDATA_RACE (52 of 125 remaining) [2023-11-29 05:39:29,989 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr25ASSERT_VIOLATIONDATA_RACE (51 of 125 remaining) [2023-11-29 05:39:29,989 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr26ASSERT_VIOLATIONDATA_RACE (50 of 125 remaining) [2023-11-29 05:39:29,989 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (49 of 125 remaining) [2023-11-29 05:39:29,990 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (48 of 125 remaining) [2023-11-29 05:39:29,990 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (47 of 125 remaining) [2023-11-29 05:39:29,990 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err21ASSERT_VIOLATIONDATA_RACE (46 of 125 remaining) [2023-11-29 05:39:29,990 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (45 of 125 remaining) [2023-11-29 05:39:29,990 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err22ASSERT_VIOLATIONDATA_RACE (44 of 125 remaining) [2023-11-29 05:39:29,990 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (43 of 125 remaining) [2023-11-29 05:39:29,990 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (42 of 125 remaining) [2023-11-29 05:39:29,990 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (41 of 125 remaining) [2023-11-29 05:39:29,990 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (40 of 125 remaining) [2023-11-29 05:39:29,990 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err23ASSERT_VIOLATIONDATA_RACE (39 of 125 remaining) [2023-11-29 05:39:29,991 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (38 of 125 remaining) [2023-11-29 05:39:29,991 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (37 of 125 remaining) [2023-11-29 05:39:29,991 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err12ASSERT_VIOLATIONDATA_RACE (36 of 125 remaining) [2023-11-29 05:39:29,991 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (35 of 125 remaining) [2023-11-29 05:39:29,991 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err13ASSERT_VIOLATIONDATA_RACE (34 of 125 remaining) [2023-11-29 05:39:29,991 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (33 of 125 remaining) [2023-11-29 05:39:29,991 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (32 of 125 remaining) [2023-11-29 05:39:29,991 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err14ASSERT_VIOLATIONDATA_RACE (31 of 125 remaining) [2023-11-29 05:39:29,991 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err15ASSERT_VIOLATIONDATA_RACE (30 of 125 remaining) [2023-11-29 05:39:29,991 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err16ASSERT_VIOLATIONDATA_RACE (29 of 125 remaining) [2023-11-29 05:39:29,992 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err11ASSERT_VIOLATIONDATA_RACE (28 of 125 remaining) [2023-11-29 05:39:29,992 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err17ASSERT_VIOLATIONDATA_RACE (27 of 125 remaining) [2023-11-29 05:39:29,992 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err19ASSERT_VIOLATIONDATA_RACE (26 of 125 remaining) [2023-11-29 05:39:29,992 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err18ASSERT_VIOLATIONDATA_RACE (25 of 125 remaining) [2023-11-29 05:39:29,992 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err20ASSERT_VIOLATIONDATA_RACE (24 of 125 remaining) [2023-11-29 05:39:29,992 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (23 of 125 remaining) [2023-11-29 05:39:29,992 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err21ASSERT_VIOLATIONDATA_RACE (22 of 125 remaining) [2023-11-29 05:39:29,992 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (21 of 125 remaining) [2023-11-29 05:39:29,992 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err22ASSERT_VIOLATIONDATA_RACE (20 of 125 remaining) [2023-11-29 05:39:29,993 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (19 of 125 remaining) [2023-11-29 05:39:29,993 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (18 of 125 remaining) [2023-11-29 05:39:29,993 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (17 of 125 remaining) [2023-11-29 05:39:29,993 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (16 of 125 remaining) [2023-11-29 05:39:29,993 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err23ASSERT_VIOLATIONDATA_RACE (15 of 125 remaining) [2023-11-29 05:39:29,993 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (14 of 125 remaining) [2023-11-29 05:39:29,993 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (13 of 125 remaining) [2023-11-29 05:39:29,993 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (12 of 125 remaining) [2023-11-29 05:39:29,993 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (11 of 125 remaining) [2023-11-29 05:39:29,993 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONDATA_RACE (10 of 125 remaining) [2023-11-29 05:39:29,994 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (9 of 125 remaining) [2023-11-29 05:39:29,994 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (8 of 125 remaining) [2023-11-29 05:39:29,994 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err14ASSERT_VIOLATIONDATA_RACE (7 of 125 remaining) [2023-11-29 05:39:29,994 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err15ASSERT_VIOLATIONDATA_RACE (6 of 125 remaining) [2023-11-29 05:39:29,994 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err16ASSERT_VIOLATIONDATA_RACE (5 of 125 remaining) [2023-11-29 05:39:29,994 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (4 of 125 remaining) [2023-11-29 05:39:29,994 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err17ASSERT_VIOLATIONDATA_RACE (3 of 125 remaining) [2023-11-29 05:39:29,994 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err19ASSERT_VIOLATIONDATA_RACE (2 of 125 remaining) [2023-11-29 05:39:29,994 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err18ASSERT_VIOLATIONDATA_RACE (1 of 125 remaining) [2023-11-29 05:39:29,994 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err20ASSERT_VIOLATIONDATA_RACE (0 of 125 remaining) [2023-11-29 05:39:29,995 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2023-11-29 05:39:29,995 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:39:30,001 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-11-29 05:39:30,001 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-29 05:39:30,005 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 05:39:30 BasicIcfg [2023-11-29 05:39:30,005 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-29 05:39:30,006 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-29 05:39:30,006 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-29 05:39:30,006 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-29 05:39:30,006 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 05:38:50" (3/4) ... [2023-11-29 05:39:30,007 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-29 05:39:30,010 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2023-11-29 05:39:30,010 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2023-11-29 05:39:30,016 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2023-11-29 05:39:30,017 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-29 05:39:30,017 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-29 05:39:30,018 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-29 05:39:30,117 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d7a8e3f-c814-4e41-8e0b-7ad1e4b89a76/bin/uautomizer-verify-BQ2R08f2Ya/witness.graphml [2023-11-29 05:39:30,118 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d7a8e3f-c814-4e41-8e0b-7ad1e4b89a76/bin/uautomizer-verify-BQ2R08f2Ya/witness.yml [2023-11-29 05:39:30,118 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-29 05:39:30,119 INFO L158 Benchmark]: Toolchain (without parser) took 40982.78ms. Allocated memory was 161.5MB in the beginning and 2.0GB in the end (delta: 1.8GB). Free memory was 124.2MB in the beginning and 1.2GB in the end (delta: -1.1GB). Peak memory consumption was 726.7MB. Max. memory is 16.1GB. [2023-11-29 05:39:30,119 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 100.7MB. Free memory is still 51.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 05:39:30,119 INFO L158 Benchmark]: CACSL2BoogieTranslator took 269.43ms. Allocated memory is still 161.5MB. Free memory was 124.2MB in the beginning and 110.8MB in the end (delta: 13.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-29 05:39:30,120 INFO L158 Benchmark]: Boogie Procedure Inliner took 63.82ms. Allocated memory is still 161.5MB. Free memory was 110.8MB in the beginning and 106.6MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-29 05:39:30,120 INFO L158 Benchmark]: Boogie Preprocessor took 61.07ms. Allocated memory is still 161.5MB. Free memory was 106.6MB in the beginning and 103.3MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-29 05:39:30,120 INFO L158 Benchmark]: RCFGBuilder took 945.14ms. Allocated memory is still 161.5MB. Free memory was 103.3MB in the beginning and 100.4MB in the end (delta: 2.8MB). Peak memory consumption was 23.3MB. Max. memory is 16.1GB. [2023-11-29 05:39:30,121 INFO L158 Benchmark]: TraceAbstraction took 39523.56ms. Allocated memory was 161.5MB in the beginning and 2.0GB in the end (delta: 1.8GB). Free memory was 100.1MB in the beginning and 1.2GB in the end (delta: -1.1GB). Peak memory consumption was 1.3GB. Max. memory is 16.1GB. [2023-11-29 05:39:30,121 INFO L158 Benchmark]: Witness Printer took 112.30ms. Allocated memory is still 2.0GB. Free memory was 1.2GB in the beginning and 1.2GB in the end (delta: 7.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-29 05:39:30,123 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 100.7MB. Free memory is still 51.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 269.43ms. Allocated memory is still 161.5MB. Free memory was 124.2MB in the beginning and 110.8MB in the end (delta: 13.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 63.82ms. Allocated memory is still 161.5MB. Free memory was 110.8MB in the beginning and 106.6MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 61.07ms. Allocated memory is still 161.5MB. Free memory was 106.6MB in the beginning and 103.3MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 945.14ms. Allocated memory is still 161.5MB. Free memory was 103.3MB in the beginning and 100.4MB in the end (delta: 2.8MB). Peak memory consumption was 23.3MB. Max. memory is 16.1GB. * TraceAbstraction took 39523.56ms. Allocated memory was 161.5MB in the beginning and 2.0GB in the end (delta: 1.8GB). Free memory was 100.1MB in the beginning and 1.2GB in the end (delta: -1.1GB). Peak memory consumption was 1.3GB. Max. memory is 16.1GB. * Witness Printer took 112.30ms. Allocated memory is still 2.0GB. Free memory was 1.2GB in the beginning and 1.2GB in the end (delta: 7.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 46]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 58]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 46]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 58]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 47]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 47]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 47]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 47]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 58]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 47]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 48]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 48]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 48]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 48]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 53]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 53]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 48]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 53]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 53]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 75]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 75]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 75]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 65]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 69]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 65]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 69]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 65]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 65]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 69]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 70]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 70]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 65]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 70]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 73]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 70]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 73]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 83]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 84]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 85]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 86]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 87]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 88]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 89]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 90]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 91]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 92]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 114]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 92]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 95]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 95]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 95]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 95]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 95]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 95]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 95]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 95]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 95]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 95]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 95]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 99]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 100]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 102]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 102]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 1120 locations, 125 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 39.3s, OverallIterations: 35, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 34.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.3s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2282 SdHoareTripleChecker+Valid, 3.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 869 mSDsluCounter, 347 SdHoareTripleChecker+Invalid, 2.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 654 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3059 IncrementalHoareTripleChecker+Invalid, 3713 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 654 mSolverCounterUnsat, 347 mSDtfsCounter, 3059 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 90 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1418occurred in iteration=0, InterpolantAutomatonStates: 120, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 3.5s InterpolantComputationTime, 5317 NumberOfCodeBlocks, 5317 NumberOfCodeBlocksAsserted, 35 NumberOfCheckSat, 5282 ConstructedInterpolants, 0 QuantifiedInterpolants, 5849 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 35 InterpolantComputations, 35 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 75 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-11-29 05:39:30,142 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d7a8e3f-c814-4e41-8e0b-7ad1e4b89a76/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE