./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/ldv-races/race-2_2-container_of.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ae587a-c4f7-4366-a740-35ff0331c0d3/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ae587a-c4f7-4366-a740-35ff0331c0d3/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ae587a-c4f7-4366-a740-35ff0331c0d3/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ae587a-c4f7-4366-a740-35ff0331c0d3/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-races/race-2_2-container_of.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ae587a-c4f7-4366-a740-35ff0331c0d3/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ae587a-c4f7-4366-a740-35ff0331c0d3/bin/uautomizer-verify-aQ6SnzHsRB --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 6053c0f6a5de5dc1a7614e5acfd1de5bdb570ebc833d8c4c70a1e68bd98ac1b0 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 05:18:56,565 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 05:18:56,654 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ae587a-c4f7-4366-a740-35ff0331c0d3/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-28 05:18:56,659 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 05:18:56,660 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 05:18:56,684 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 05:18:56,685 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 05:18:56,685 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 05:18:56,686 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 05:18:56,686 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 05:18:56,686 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 05:18:56,686 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 05:18:56,686 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 05:18:56,687 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 05:18:56,687 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 05:18:56,687 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-28 05:18:56,687 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 05:18:56,687 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-28 05:18:56,687 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 05:18:56,687 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 05:18:56,687 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 05:18:56,687 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 05:18:56,688 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-28 05:18:56,688 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-28 05:18:56,688 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-28 05:18:56,688 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 05:18:56,688 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 05:18:56,688 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 05:18:56,688 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 05:18:56,688 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 05:18:56,688 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 05:18:56,689 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 05:18:56,689 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 05:18:56,689 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 05:18:56,689 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 05:18:56,689 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 05:18:56,689 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 05:18:56,689 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 05:18:56,689 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 05:18:56,689 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 05:18:56,690 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-28 05:18:56,690 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-28 05:18:56,690 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 05:18:56,690 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 05:18:56,690 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 05:18:56,690 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 05:18:56,690 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ae587a-c4f7-4366-a740-35ff0331c0d3/bin/uautomizer-verify-aQ6SnzHsRB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6053c0f6a5de5dc1a7614e5acfd1de5bdb570ebc833d8c4c70a1e68bd98ac1b0 [2024-11-28 05:18:57,002 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 05:18:57,016 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 05:18:57,022 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 05:18:57,024 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 05:18:57,026 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 05:18:57,028 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ae587a-c4f7-4366-a740-35ff0331c0d3/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/ldv-races/race-2_2-container_of.i [2024-11-28 05:19:00,283 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ae587a-c4f7-4366-a740-35ff0331c0d3/bin/uautomizer-verify-aQ6SnzHsRB/data/1bb2c6fb5/d3d537fccc1a48e1a033d438055b2718/FLAGe8ebab67a [2024-11-28 05:19:00,702 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 05:19:00,705 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ae587a-c4f7-4366-a740-35ff0331c0d3/sv-benchmarks/c/ldv-races/race-2_2-container_of.i [2024-11-28 05:19:00,748 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ae587a-c4f7-4366-a740-35ff0331c0d3/bin/uautomizer-verify-aQ6SnzHsRB/data/1bb2c6fb5/d3d537fccc1a48e1a033d438055b2718/FLAGe8ebab67a [2024-11-28 05:19:00,855 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ae587a-c4f7-4366-a740-35ff0331c0d3/bin/uautomizer-verify-aQ6SnzHsRB/data/1bb2c6fb5/d3d537fccc1a48e1a033d438055b2718 [2024-11-28 05:19:00,858 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 05:19:00,860 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 05:19:00,861 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 05:19:00,862 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 05:19:00,867 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 05:19:00,868 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 05:19:00" (1/1) ... [2024-11-28 05:19:00,869 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ad9b186 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:19:00, skipping insertion in model container [2024-11-28 05:19:00,869 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 05:19:00" (1/1) ... [2024-11-28 05:19:00,946 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 05:19:01,666 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 05:19:01,677 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 05:19:01,811 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 05:19:01,881 INFO L204 MainTranslator]: Completed translation [2024-11-28 05:19:01,882 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:19:01 WrapperNode [2024-11-28 05:19:01,882 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 05:19:01,883 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 05:19:01,883 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 05:19:01,883 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 05:19:01,891 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:19:01" (1/1) ... [2024-11-28 05:19:01,923 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:19:01" (1/1) ... [2024-11-28 05:19:01,974 INFO L138 Inliner]: procedures = 246, calls = 40, calls flagged for inlining = 11, calls inlined = 14, statements flattened = 180 [2024-11-28 05:19:01,974 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 05:19:01,975 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 05:19:01,975 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 05:19:01,975 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 05:19:01,984 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:19:01" (1/1) ... [2024-11-28 05:19:01,984 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:19:01" (1/1) ... [2024-11-28 05:19:01,990 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:19:01" (1/1) ... [2024-11-28 05:19:01,991 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:19:01" (1/1) ... [2024-11-28 05:19:02,010 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:19:01" (1/1) ... [2024-11-28 05:19:02,012 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:19:01" (1/1) ... [2024-11-28 05:19:02,017 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:19:01" (1/1) ... [2024-11-28 05:19:02,021 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:19:01" (1/1) ... [2024-11-28 05:19:02,024 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:19:01" (1/1) ... [2024-11-28 05:19:02,037 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 05:19:02,038 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 05:19:02,038 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 05:19:02,038 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 05:19:02,039 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:19:01" (1/1) ... [2024-11-28 05:19:02,046 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 05:19:02,069 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ae587a-c4f7-4366-a740-35ff0331c0d3/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:19:02,087 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ae587a-c4f7-4366-a740-35ff0331c0d3/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 05:19:02,091 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ae587a-c4f7-4366-a740-35ff0331c0d3/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 05:19:02,124 INFO L130 BoogieDeclarations]: Found specification of procedure my_callback [2024-11-28 05:19:02,125 INFO L138 BoogieDeclarations]: Found implementation of procedure my_callback [2024-11-28 05:19:02,125 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-28 05:19:02,125 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-28 05:19:02,125 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-28 05:19:02,126 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-28 05:19:02,126 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-28 05:19:02,126 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-28 05:19:02,126 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 05:19:02,126 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-28 05:19:02,126 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-28 05:19:02,126 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 05:19:02,126 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 05:19:02,128 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-28 05:19:02,507 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 05:19:02,509 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 05:19:03,038 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-28 05:19:03,039 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 05:19:03,125 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 05:19:03,126 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-28 05:19:03,126 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 05:19:03 BoogieIcfgContainer [2024-11-28 05:19:03,126 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 05:19:03,129 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 05:19:03,129 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 05:19:03,139 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 05:19:03,140 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 05:19:00" (1/3) ... [2024-11-28 05:19:03,140 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5588b2c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 05:19:03, skipping insertion in model container [2024-11-28 05:19:03,141 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:19:01" (2/3) ... [2024-11-28 05:19:03,141 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5588b2c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 05:19:03, skipping insertion in model container [2024-11-28 05:19:03,141 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 05:19:03" (3/3) ... [2024-11-28 05:19:03,142 INFO L128 eAbstractionObserver]: Analyzing ICFG race-2_2-container_of.i [2024-11-28 05:19:03,163 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 05:19:03,165 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG race-2_2-container_of.i that has 2 procedures, 224 locations, 1 initial locations, 0 loop locations, and 15 error locations. [2024-11-28 05:19:03,165 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-28 05:19:03,291 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-11-28 05:19:03,350 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 247 places, 251 transitions, 516 flow [2024-11-28 05:19:03,516 INFO L124 PetriNetUnfolderBase]: 14/335 cut-off events. [2024-11-28 05:19:03,519 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-11-28 05:19:03,527 INFO L83 FinitePrefix]: Finished finitePrefix Result has 344 conditions, 335 events. 14/335 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 651 event pairs, 0 based on Foata normal form. 0/296 useless extension candidates. Maximal degree in co-relation 173. Up to 4 conditions per place. [2024-11-28 05:19:03,527 INFO L82 GeneralOperation]: Start removeDead. Operand has 247 places, 251 transitions, 516 flow [2024-11-28 05:19:03,537 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 245 places, 248 transitions, 508 flow [2024-11-28 05:19:03,553 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 05:19:03,575 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@7fa501d5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 05:19:03,575 INFO L334 AbstractCegarLoop]: Starting to check reachability of 23 error locations. [2024-11-28 05:19:03,586 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-28 05:19:03,587 INFO L124 PetriNetUnfolderBase]: 0/31 cut-off events. [2024-11-28 05:19:03,587 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-28 05:19:03,588 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 05:19:03,589 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:19:03,590 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2024-11-28 05:19:03,595 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:19:03,597 INFO L85 PathProgramCache]: Analyzing trace with hash -1506282842, now seen corresponding path program 1 times [2024-11-28 05:19:03,606 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:19:03,608 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [842594095] [2024-11-28 05:19:03,608 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:19:03,609 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:19:03,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:19:04,930 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 05:19:04,933 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:19:04,934 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [842594095] [2024-11-28 05:19:04,934 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [842594095] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:19:04,935 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:19:04,936 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 05:19:04,940 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1869406755] [2024-11-28 05:19:04,941 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:19:04,949 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 05:19:04,955 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:19:04,985 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 05:19:04,986 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-28 05:19:05,469 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 188 out of 251 [2024-11-28 05:19:05,476 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 245 places, 248 transitions, 508 flow. Second operand has 6 states, 6 states have (on average 189.33333333333334) internal successors, (1136), 6 states have internal predecessors, (1136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:19:05,476 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 05:19:05,476 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 188 of 251 [2024-11-28 05:19:05,479 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 05:19:06,163 INFO L124 PetriNetUnfolderBase]: 424/1641 cut-off events. [2024-11-28 05:19:06,164 INFO L125 PetriNetUnfolderBase]: For 22/24 co-relation queries the response was YES. [2024-11-28 05:19:06,177 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2414 conditions, 1641 events. 424/1641 cut-off events. For 22/24 co-relation queries the response was YES. Maximal size of possible extension queue 57. Compared 10906 event pairs, 423 based on Foata normal form. 72/1603 useless extension candidates. Maximal degree in co-relation 2167. Up to 750 conditions per place. [2024-11-28 05:19:06,188 INFO L140 encePairwiseOnDemand]: 231/251 looper letters, 39 selfloop transitions, 5 changer transitions 6/221 dead transitions. [2024-11-28 05:19:06,189 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 231 places, 221 transitions, 542 flow [2024-11-28 05:19:06,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 05:19:06,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-28 05:19:06,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1187 transitions. [2024-11-28 05:19:06,213 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7881806108897742 [2024-11-28 05:19:06,217 INFO L175 Difference]: Start difference. First operand has 245 places, 248 transitions, 508 flow. Second operand 6 states and 1187 transitions. [2024-11-28 05:19:06,218 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 231 places, 221 transitions, 542 flow [2024-11-28 05:19:06,229 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 227 places, 221 transitions, 534 flow, removed 0 selfloop flow, removed 4 redundant places. [2024-11-28 05:19:06,236 INFO L231 Difference]: Finished difference. Result has 227 places, 215 transitions, 444 flow [2024-11-28 05:19:06,240 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=251, PETRI_DIFFERENCE_MINUEND_FLOW=446, PETRI_DIFFERENCE_MINUEND_PLACES=222, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=221, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=216, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=444, PETRI_PLACES=227, PETRI_TRANSITIONS=215} [2024-11-28 05:19:06,247 INFO L279 CegarLoopForPetriNet]: 245 programPoint places, -18 predicate places. [2024-11-28 05:19:06,248 INFO L471 AbstractCegarLoop]: Abstraction has has 227 places, 215 transitions, 444 flow [2024-11-28 05:19:06,249 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 189.33333333333334) internal successors, (1136), 6 states have internal predecessors, (1136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:19:06,249 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 05:19:06,249 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:19:06,251 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-28 05:19:06,251 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2024-11-28 05:19:06,252 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:19:06,252 INFO L85 PathProgramCache]: Analyzing trace with hash 1400294310, now seen corresponding path program 1 times [2024-11-28 05:19:06,252 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:19:06,252 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [38147145] [2024-11-28 05:19:06,253 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:19:06,254 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:19:06,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:19:06,954 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 05:19:06,955 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:19:06,955 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [38147145] [2024-11-28 05:19:06,956 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [38147145] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:19:06,956 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:19:06,956 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 05:19:06,956 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [39129943] [2024-11-28 05:19:06,956 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:19:06,958 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 05:19:06,959 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:19:06,960 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 05:19:06,961 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-28 05:19:07,328 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 188 out of 251 [2024-11-28 05:19:07,330 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 227 places, 215 transitions, 444 flow. Second operand has 6 states, 6 states have (on average 189.33333333333334) internal successors, (1136), 6 states have internal predecessors, (1136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:19:07,330 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 05:19:07,330 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 188 of 251 [2024-11-28 05:19:07,330 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 05:19:07,844 INFO L124 PetriNetUnfolderBase]: 424/1634 cut-off events. [2024-11-28 05:19:07,844 INFO L125 PetriNetUnfolderBase]: For 5/7 co-relation queries the response was YES. [2024-11-28 05:19:07,848 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2401 conditions, 1634 events. 424/1634 cut-off events. For 5/7 co-relation queries the response was YES. Maximal size of possible extension queue 57. Compared 10885 event pairs, 423 based on Foata normal form. 0/1527 useless extension candidates. Maximal degree in co-relation 2358. Up to 750 conditions per place. [2024-11-28 05:19:07,856 INFO L140 encePairwiseOnDemand]: 245/251 looper letters, 39 selfloop transitions, 5 changer transitions 0/214 dead transitions. [2024-11-28 05:19:07,856 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 225 places, 214 transitions, 530 flow [2024-11-28 05:19:07,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 05:19:07,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-28 05:19:07,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1173 transitions. [2024-11-28 05:19:07,861 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7788844621513944 [2024-11-28 05:19:07,862 INFO L175 Difference]: Start difference. First operand has 227 places, 215 transitions, 444 flow. Second operand 6 states and 1173 transitions. [2024-11-28 05:19:07,863 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 225 places, 214 transitions, 530 flow [2024-11-28 05:19:07,864 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 220 places, 214 transitions, 520 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-28 05:19:07,871 INFO L231 Difference]: Finished difference. Result has 220 places, 214 transitions, 442 flow [2024-11-28 05:19:07,875 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=251, PETRI_DIFFERENCE_MINUEND_FLOW=432, PETRI_DIFFERENCE_MINUEND_PLACES=215, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=214, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=209, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=442, PETRI_PLACES=220, PETRI_TRANSITIONS=214} [2024-11-28 05:19:07,875 INFO L279 CegarLoopForPetriNet]: 245 programPoint places, -25 predicate places. [2024-11-28 05:19:07,876 INFO L471 AbstractCegarLoop]: Abstraction has has 220 places, 214 transitions, 442 flow [2024-11-28 05:19:07,876 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 189.33333333333334) internal successors, (1136), 6 states have internal predecessors, (1136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:19:07,877 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 05:19:07,877 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:19:07,877 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-28 05:19:07,877 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2024-11-28 05:19:07,878 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:19:07,878 INFO L85 PathProgramCache]: Analyzing trace with hash -467924554, now seen corresponding path program 1 times [2024-11-28 05:19:07,878 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:19:07,878 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [340864253] [2024-11-28 05:19:07,878 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:19:07,878 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:19:07,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:19:08,000 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 05:19:08,001 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:19:08,001 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [340864253] [2024-11-28 05:19:08,001 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [340864253] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:19:08,001 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:19:08,002 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 05:19:08,002 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1352068356] [2024-11-28 05:19:08,002 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:19:08,002 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 05:19:08,003 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:19:08,003 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 05:19:08,003 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 05:19:08,024 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 215 out of 251 [2024-11-28 05:19:08,025 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 220 places, 214 transitions, 442 flow. Second operand has 3 states, 3 states have (on average 216.33333333333334) internal successors, (649), 3 states have internal predecessors, (649), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:19:08,025 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 05:19:08,026 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 215 of 251 [2024-11-28 05:19:08,026 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 05:19:08,186 INFO L124 PetriNetUnfolderBase]: 67/519 cut-off events. [2024-11-28 05:19:08,186 INFO L125 PetriNetUnfolderBase]: For 5/7 co-relation queries the response was YES. [2024-11-28 05:19:08,188 INFO L83 FinitePrefix]: Finished finitePrefix Result has 665 conditions, 519 events. 67/519 cut-off events. For 5/7 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 2169 event pairs, 63 based on Foata normal form. 0/485 useless extension candidates. Maximal degree in co-relation 615. Up to 128 conditions per place. [2024-11-28 05:19:08,191 INFO L140 encePairwiseOnDemand]: 248/251 looper letters, 18 selfloop transitions, 2 changer transitions 0/216 dead transitions. [2024-11-28 05:19:08,191 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 221 places, 216 transitions, 486 flow [2024-11-28 05:19:08,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 05:19:08,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 05:19:08,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 666 transitions. [2024-11-28 05:19:08,199 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8844621513944223 [2024-11-28 05:19:08,199 INFO L175 Difference]: Start difference. First operand has 220 places, 214 transitions, 442 flow. Second operand 3 states and 666 transitions. [2024-11-28 05:19:08,200 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 221 places, 216 transitions, 486 flow [2024-11-28 05:19:08,203 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 216 places, 216 transitions, 476 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-28 05:19:08,210 INFO L231 Difference]: Finished difference. Result has 216 places, 213 transitions, 434 flow [2024-11-28 05:19:08,210 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=251, PETRI_DIFFERENCE_MINUEND_FLOW=430, PETRI_DIFFERENCE_MINUEND_PLACES=214, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=213, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=211, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=434, PETRI_PLACES=216, PETRI_TRANSITIONS=213} [2024-11-28 05:19:08,211 INFO L279 CegarLoopForPetriNet]: 245 programPoint places, -29 predicate places. [2024-11-28 05:19:08,212 INFO L471 AbstractCegarLoop]: Abstraction has has 216 places, 213 transitions, 434 flow [2024-11-28 05:19:08,213 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 216.33333333333334) internal successors, (649), 3 states have internal predecessors, (649), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:19:08,213 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 05:19:08,213 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:19:08,213 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-28 05:19:08,214 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2024-11-28 05:19:08,214 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:19:08,214 INFO L85 PathProgramCache]: Analyzing trace with hash -278579924, now seen corresponding path program 1 times [2024-11-28 05:19:08,215 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:19:08,215 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [761296260] [2024-11-28 05:19:08,215 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:19:08,216 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:19:08,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:19:08,345 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 05:19:08,345 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:19:08,345 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [761296260] [2024-11-28 05:19:08,345 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [761296260] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:19:08,345 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:19:08,345 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 05:19:08,345 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2081367971] [2024-11-28 05:19:08,345 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:19:08,346 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 05:19:08,346 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:19:08,347 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 05:19:08,347 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 05:19:08,366 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 219 out of 251 [2024-11-28 05:19:08,367 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 216 places, 213 transitions, 434 flow. Second operand has 3 states, 3 states have (on average 219.66666666666666) internal successors, (659), 3 states have internal predecessors, (659), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:19:08,367 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 05:19:08,367 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 219 of 251 [2024-11-28 05:19:08,368 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 05:19:08,520 INFO L124 PetriNetUnfolderBase]: 63/481 cut-off events. [2024-11-28 05:19:08,520 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-11-28 05:19:08,521 INFO L83 FinitePrefix]: Finished finitePrefix Result has 614 conditions, 481 events. 63/481 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 1566 event pairs, 12 based on Foata normal form. 0/447 useless extension candidates. Maximal degree in co-relation 472. Up to 90 conditions per place. [2024-11-28 05:19:08,523 INFO L140 encePairwiseOnDemand]: 249/251 looper letters, 18 selfloop transitions, 1 changer transitions 0/218 dead transitions. [2024-11-28 05:19:08,524 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 217 places, 218 transitions, 482 flow [2024-11-28 05:19:08,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 05:19:08,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 05:19:08,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 677 transitions. [2024-11-28 05:19:08,527 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.899070385126162 [2024-11-28 05:19:08,527 INFO L175 Difference]: Start difference. First operand has 216 places, 213 transitions, 434 flow. Second operand 3 states and 677 transitions. [2024-11-28 05:19:08,528 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 217 places, 218 transitions, 482 flow [2024-11-28 05:19:08,529 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 215 places, 218 transitions, 478 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 05:19:08,533 INFO L231 Difference]: Finished difference. Result has 215 places, 212 transitions, 430 flow [2024-11-28 05:19:08,533 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=251, PETRI_DIFFERENCE_MINUEND_FLOW=428, PETRI_DIFFERENCE_MINUEND_PLACES=213, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=212, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=211, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=430, PETRI_PLACES=215, PETRI_TRANSITIONS=212} [2024-11-28 05:19:08,534 INFO L279 CegarLoopForPetriNet]: 245 programPoint places, -30 predicate places. [2024-11-28 05:19:08,534 INFO L471 AbstractCegarLoop]: Abstraction has has 215 places, 212 transitions, 430 flow [2024-11-28 05:19:08,535 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 219.66666666666666) internal successors, (659), 3 states have internal predecessors, (659), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:19:08,535 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 05:19:08,535 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:19:08,535 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-28 05:19:08,535 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2024-11-28 05:19:08,552 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:19:08,552 INFO L85 PathProgramCache]: Analyzing trace with hash -758595191, now seen corresponding path program 1 times [2024-11-28 05:19:08,553 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:19:08,553 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [470836826] [2024-11-28 05:19:08,553 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:19:08,553 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:19:08,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:19:08,657 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-28 05:19:08,657 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:19:08,657 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [470836826] [2024-11-28 05:19:08,658 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [470836826] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:19:08,658 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:19:08,658 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 05:19:08,658 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [653870911] [2024-11-28 05:19:08,658 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:19:08,658 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 05:19:08,659 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:19:08,659 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 05:19:08,660 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 05:19:08,681 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 215 out of 251 [2024-11-28 05:19:08,682 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 215 places, 212 transitions, 430 flow. Second operand has 3 states, 3 states have (on average 216.66666666666666) internal successors, (650), 3 states have internal predecessors, (650), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:19:08,682 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 05:19:08,683 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 215 of 251 [2024-11-28 05:19:08,683 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 05:19:08,861 INFO L124 PetriNetUnfolderBase]: 75/768 cut-off events. [2024-11-28 05:19:08,862 INFO L125 PetriNetUnfolderBase]: For 5/13 co-relation queries the response was YES. [2024-11-28 05:19:08,863 INFO L83 FinitePrefix]: Finished finitePrefix Result has 931 conditions, 768 events. 75/768 cut-off events. For 5/13 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 3443 event pairs, 45 based on Foata normal form. 0/709 useless extension candidates. Maximal degree in co-relation 776. Up to 109 conditions per place. [2024-11-28 05:19:08,866 INFO L140 encePairwiseOnDemand]: 248/251 looper letters, 21 selfloop transitions, 2 changer transitions 0/217 dead transitions. [2024-11-28 05:19:08,866 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 216 places, 217 transitions, 486 flow [2024-11-28 05:19:08,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 05:19:08,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 05:19:08,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 669 transitions. [2024-11-28 05:19:08,869 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8884462151394422 [2024-11-28 05:19:08,869 INFO L175 Difference]: Start difference. First operand has 215 places, 212 transitions, 430 flow. Second operand 3 states and 669 transitions. [2024-11-28 05:19:08,869 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 216 places, 217 transitions, 486 flow [2024-11-28 05:19:08,871 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 215 places, 217 transitions, 485 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-28 05:19:08,874 INFO L231 Difference]: Finished difference. Result has 215 places, 211 transitions, 431 flow [2024-11-28 05:19:08,874 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=251, PETRI_DIFFERENCE_MINUEND_FLOW=427, PETRI_DIFFERENCE_MINUEND_PLACES=213, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=211, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=209, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=431, PETRI_PLACES=215, PETRI_TRANSITIONS=211} [2024-11-28 05:19:08,875 INFO L279 CegarLoopForPetriNet]: 245 programPoint places, -30 predicate places. [2024-11-28 05:19:08,875 INFO L471 AbstractCegarLoop]: Abstraction has has 215 places, 211 transitions, 431 flow [2024-11-28 05:19:08,876 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 216.66666666666666) internal successors, (650), 3 states have internal predecessors, (650), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:19:08,876 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 05:19:08,876 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:19:08,877 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-28 05:19:08,877 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2024-11-28 05:19:08,877 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:19:08,878 INFO L85 PathProgramCache]: Analyzing trace with hash -535666774, now seen corresponding path program 1 times [2024-11-28 05:19:08,878 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:19:08,878 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2008664326] [2024-11-28 05:19:08,878 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:19:08,878 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:19:08,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:19:09,487 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-28 05:19:09,487 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:19:09,487 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2008664326] [2024-11-28 05:19:09,488 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2008664326] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:19:09,488 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:19:09,488 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 05:19:09,488 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2085956471] [2024-11-28 05:19:09,488 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:19:09,488 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 05:19:09,489 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:19:09,489 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 05:19:09,489 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-28 05:19:10,037 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 192 out of 251 [2024-11-28 05:19:10,039 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 215 places, 211 transitions, 431 flow. Second operand has 6 states, 6 states have (on average 194.66666666666666) internal successors, (1168), 6 states have internal predecessors, (1168), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:19:10,039 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 05:19:10,039 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 192 of 251 [2024-11-28 05:19:10,039 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 05:19:10,700 INFO L124 PetriNetUnfolderBase]: 507/1768 cut-off events. [2024-11-28 05:19:10,700 INFO L125 PetriNetUnfolderBase]: For 5/13 co-relation queries the response was YES. [2024-11-28 05:19:10,703 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2687 conditions, 1768 events. 507/1768 cut-off events. For 5/13 co-relation queries the response was YES. Maximal size of possible extension queue 64. Compared 10856 event pairs, 309 based on Foata normal form. 0/1681 useless extension candidates. Maximal degree in co-relation 2494. Up to 803 conditions per place. [2024-11-28 05:19:10,710 INFO L140 encePairwiseOnDemand]: 238/251 looper letters, 37 selfloop transitions, 30 changer transitions 7/240 dead transitions. [2024-11-28 05:19:10,710 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 220 places, 240 transitions, 629 flow [2024-11-28 05:19:10,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 05:19:10,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-28 05:19:10,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1223 transitions. [2024-11-28 05:19:10,714 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8120849933598937 [2024-11-28 05:19:10,714 INFO L175 Difference]: Start difference. First operand has 215 places, 211 transitions, 431 flow. Second operand 6 states and 1223 transitions. [2024-11-28 05:19:10,714 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 220 places, 240 transitions, 629 flow [2024-11-28 05:19:10,716 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 218 places, 240 transitions, 625 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 05:19:10,721 INFO L231 Difference]: Finished difference. Result has 223 places, 233 transitions, 615 flow [2024-11-28 05:19:10,722 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=251, PETRI_DIFFERENCE_MINUEND_FLOW=427, PETRI_DIFFERENCE_MINUEND_PLACES=213, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=211, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=199, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=615, PETRI_PLACES=223, PETRI_TRANSITIONS=233} [2024-11-28 05:19:10,722 INFO L279 CegarLoopForPetriNet]: 245 programPoint places, -22 predicate places. [2024-11-28 05:19:10,722 INFO L471 AbstractCegarLoop]: Abstraction has has 223 places, 233 transitions, 615 flow [2024-11-28 05:19:10,723 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 194.66666666666666) internal successors, (1168), 6 states have internal predecessors, (1168), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:19:10,723 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 05:19:10,723 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:19:10,723 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-28 05:19:10,724 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2024-11-28 05:19:10,724 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:19:10,724 INFO L85 PathProgramCache]: Analyzing trace with hash -18569913, now seen corresponding path program 1 times [2024-11-28 05:19:10,724 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:19:10,724 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1587165399] [2024-11-28 05:19:10,724 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:19:10,724 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:19:10,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:19:11,373 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-28 05:19:11,374 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:19:11,374 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1587165399] [2024-11-28 05:19:11,374 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1587165399] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:19:11,375 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:19:11,375 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 05:19:11,375 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [202530277] [2024-11-28 05:19:11,375 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:19:11,375 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 05:19:11,376 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:19:11,376 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 05:19:11,376 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-28 05:19:11,933 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 192 out of 251 [2024-11-28 05:19:11,935 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 223 places, 233 transitions, 615 flow. Second operand has 6 states, 6 states have (on average 194.66666666666666) internal successors, (1168), 6 states have internal predecessors, (1168), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:19:11,935 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 05:19:11,936 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 192 of 251 [2024-11-28 05:19:11,936 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 05:19:12,591 INFO L124 PetriNetUnfolderBase]: 665/1836 cut-off events. [2024-11-28 05:19:12,591 INFO L125 PetriNetUnfolderBase]: For 602/616 co-relation queries the response was YES. [2024-11-28 05:19:12,595 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3982 conditions, 1836 events. 665/1836 cut-off events. For 602/616 co-relation queries the response was YES. Maximal size of possible extension queue 84. Compared 10970 event pairs, 306 based on Foata normal form. 0/1766 useless extension candidates. Maximal degree in co-relation 2437. Up to 931 conditions per place. [2024-11-28 05:19:12,603 INFO L140 encePairwiseOnDemand]: 238/251 looper letters, 60 selfloop transitions, 30 changer transitions 11/262 dead transitions. [2024-11-28 05:19:12,603 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 221 places, 262 transitions, 903 flow [2024-11-28 05:19:12,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 05:19:12,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-28 05:19:12,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1220 transitions. [2024-11-28 05:19:12,607 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8100929614873837 [2024-11-28 05:19:12,607 INFO L175 Difference]: Start difference. First operand has 223 places, 233 transitions, 615 flow. Second operand 6 states and 1220 transitions. [2024-11-28 05:19:12,607 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 221 places, 262 transitions, 903 flow [2024-11-28 05:19:12,614 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 221 places, 262 transitions, 903 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-28 05:19:12,618 INFO L231 Difference]: Finished difference. Result has 226 places, 251 transitions, 843 flow [2024-11-28 05:19:12,618 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=251, PETRI_DIFFERENCE_MINUEND_FLOW=615, PETRI_DIFFERENCE_MINUEND_PLACES=216, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=233, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=221, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=843, PETRI_PLACES=226, PETRI_TRANSITIONS=251} [2024-11-28 05:19:12,620 INFO L279 CegarLoopForPetriNet]: 245 programPoint places, -19 predicate places. [2024-11-28 05:19:12,620 INFO L471 AbstractCegarLoop]: Abstraction has has 226 places, 251 transitions, 843 flow [2024-11-28 05:19:12,621 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 194.66666666666666) internal successors, (1168), 6 states have internal predecessors, (1168), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:19:12,621 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 05:19:12,622 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:19:12,622 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-28 05:19:12,622 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2024-11-28 05:19:12,623 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:19:12,623 INFO L85 PathProgramCache]: Analyzing trace with hash 1724068804, now seen corresponding path program 1 times [2024-11-28 05:19:12,623 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:19:12,623 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [922417192] [2024-11-28 05:19:12,623 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:19:12,624 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:19:12,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:19:13,314 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-28 05:19:13,314 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:19:13,314 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [922417192] [2024-11-28 05:19:13,314 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [922417192] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:19:13,314 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:19:13,314 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 05:19:13,314 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [701952879] [2024-11-28 05:19:13,314 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:19:13,315 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 05:19:13,315 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:19:13,315 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 05:19:13,316 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-28 05:19:13,750 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 193 out of 251 [2024-11-28 05:19:13,752 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 226 places, 251 transitions, 843 flow. Second operand has 6 states, 6 states have (on average 196.33333333333334) internal successors, (1178), 6 states have internal predecessors, (1178), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:19:13,752 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 05:19:13,752 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 193 of 251 [2024-11-28 05:19:13,752 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 05:19:14,615 INFO L124 PetriNetUnfolderBase]: 742/2023 cut-off events. [2024-11-28 05:19:14,615 INFO L125 PetriNetUnfolderBase]: For 1323/1382 co-relation queries the response was YES. [2024-11-28 05:19:14,621 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5451 conditions, 2023 events. 742/2023 cut-off events. For 1323/1382 co-relation queries the response was YES. Maximal size of possible extension queue 88. Compared 12590 event pairs, 212 based on Foata normal form. 0/1977 useless extension candidates. Maximal degree in co-relation 3658. Up to 981 conditions per place. [2024-11-28 05:19:14,632 INFO L140 encePairwiseOnDemand]: 235/251 looper letters, 91 selfloop transitions, 26 changer transitions 0/279 dead transitions. [2024-11-28 05:19:14,632 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 219 places, 279 transitions, 1233 flow [2024-11-28 05:19:14,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 05:19:14,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-28 05:19:14,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1225 transitions. [2024-11-28 05:19:14,636 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8134130146082338 [2024-11-28 05:19:14,636 INFO L175 Difference]: Start difference. First operand has 226 places, 251 transitions, 843 flow. Second operand 6 states and 1225 transitions. [2024-11-28 05:19:14,636 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 219 places, 279 transitions, 1233 flow [2024-11-28 05:19:14,643 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 219 places, 279 transitions, 1185 flow, removed 24 selfloop flow, removed 0 redundant places. [2024-11-28 05:19:14,647 INFO L231 Difference]: Finished difference. Result has 224 places, 271 transitions, 1027 flow [2024-11-28 05:19:14,648 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=251, PETRI_DIFFERENCE_MINUEND_FLOW=793, PETRI_DIFFERENCE_MINUEND_PLACES=214, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=250, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=236, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1027, PETRI_PLACES=224, PETRI_TRANSITIONS=271} [2024-11-28 05:19:14,649 INFO L279 CegarLoopForPetriNet]: 245 programPoint places, -21 predicate places. [2024-11-28 05:19:14,649 INFO L471 AbstractCegarLoop]: Abstraction has has 224 places, 271 transitions, 1027 flow [2024-11-28 05:19:14,649 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 196.33333333333334) internal successors, (1178), 6 states have internal predecessors, (1178), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:19:14,650 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 05:19:14,650 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:19:14,650 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-28 05:19:14,650 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2024-11-28 05:19:14,651 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:19:14,651 INFO L85 PathProgramCache]: Analyzing trace with hash -1783716836, now seen corresponding path program 1 times [2024-11-28 05:19:14,651 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:19:14,651 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1244060917] [2024-11-28 05:19:14,651 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:19:14,651 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:19:14,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:19:15,452 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-28 05:19:15,452 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:19:15,452 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1244060917] [2024-11-28 05:19:15,452 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1244060917] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:19:15,452 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:19:15,452 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 05:19:15,452 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1983370824] [2024-11-28 05:19:15,452 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:19:15,453 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 05:19:15,453 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:19:15,453 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 05:19:15,454 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-28 05:19:15,932 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 193 out of 251 [2024-11-28 05:19:15,934 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 224 places, 271 transitions, 1027 flow. Second operand has 6 states, 6 states have (on average 196.33333333333334) internal successors, (1178), 6 states have internal predecessors, (1178), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:19:15,934 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 05:19:15,934 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 193 of 251 [2024-11-28 05:19:15,935 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 05:19:16,797 INFO L124 PetriNetUnfolderBase]: 920/2277 cut-off events. [2024-11-28 05:19:16,797 INFO L125 PetriNetUnfolderBase]: For 2916/3070 co-relation queries the response was YES. [2024-11-28 05:19:16,807 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7170 conditions, 2277 events. 920/2277 cut-off events. For 2916/3070 co-relation queries the response was YES. Maximal size of possible extension queue 88. Compared 14119 event pairs, 248 based on Foata normal form. 33/2260 useless extension candidates. Maximal degree in co-relation 5400. Up to 1189 conditions per place. [2024-11-28 05:19:16,821 INFO L140 encePairwiseOnDemand]: 236/251 looper letters, 104 selfloop transitions, 36 changer transitions 37/314 dead transitions. [2024-11-28 05:19:16,821 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 228 places, 314 transitions, 1667 flow [2024-11-28 05:19:16,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 05:19:16,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-28 05:19:16,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1223 transitions. [2024-11-28 05:19:16,825 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8120849933598937 [2024-11-28 05:19:16,825 INFO L175 Difference]: Start difference. First operand has 224 places, 271 transitions, 1027 flow. Second operand 6 states and 1223 transitions. [2024-11-28 05:19:16,825 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 228 places, 314 transitions, 1667 flow [2024-11-28 05:19:16,836 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 228 places, 314 transitions, 1667 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-28 05:19:16,841 INFO L231 Difference]: Finished difference. Result has 232 places, 269 transitions, 1359 flow [2024-11-28 05:19:16,841 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=251, PETRI_DIFFERENCE_MINUEND_FLOW=1025, PETRI_DIFFERENCE_MINUEND_PLACES=223, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=270, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=258, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1359, PETRI_PLACES=232, PETRI_TRANSITIONS=269} [2024-11-28 05:19:16,842 INFO L279 CegarLoopForPetriNet]: 245 programPoint places, -13 predicate places. [2024-11-28 05:19:16,843 INFO L471 AbstractCegarLoop]: Abstraction has has 232 places, 269 transitions, 1359 flow [2024-11-28 05:19:16,843 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 196.33333333333334) internal successors, (1178), 6 states have internal predecessors, (1178), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:19:16,844 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 05:19:16,844 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:19:16,844 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-28 05:19:16,844 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2024-11-28 05:19:16,845 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:19:16,845 INFO L85 PathProgramCache]: Analyzing trace with hash -870678194, now seen corresponding path program 1 times [2024-11-28 05:19:16,845 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:19:16,846 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1098440908] [2024-11-28 05:19:16,846 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:19:16,846 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:19:16,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:19:17,029 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-28 05:19:17,029 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:19:17,029 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1098440908] [2024-11-28 05:19:17,029 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1098440908] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:19:17,029 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:19:17,029 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 05:19:17,030 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [203416730] [2024-11-28 05:19:17,030 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:19:17,030 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 05:19:17,031 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:19:17,031 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 05:19:17,031 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 05:19:17,060 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 211 out of 251 [2024-11-28 05:19:17,062 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 232 places, 269 transitions, 1359 flow. Second operand has 5 states, 5 states have (on average 213.2) internal successors, (1066), 5 states have internal predecessors, (1066), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:19:17,062 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 05:19:17,063 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 211 of 251 [2024-11-28 05:19:17,063 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 05:19:17,363 INFO L124 PetriNetUnfolderBase]: 135/497 cut-off events. [2024-11-28 05:19:17,363 INFO L125 PetriNetUnfolderBase]: For 993/993 co-relation queries the response was YES. [2024-11-28 05:19:17,365 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1282 conditions, 497 events. 135/497 cut-off events. For 993/993 co-relation queries the response was YES. Maximal size of possible extension queue 37. Compared 2390 event pairs, 12 based on Foata normal form. 0/493 useless extension candidates. Maximal degree in co-relation 1260. Up to 151 conditions per place. [2024-11-28 05:19:17,368 INFO L140 encePairwiseOnDemand]: 246/251 looper letters, 37 selfloop transitions, 4 changer transitions 0/136 dead transitions. [2024-11-28 05:19:17,368 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 141 places, 136 transitions, 558 flow [2024-11-28 05:19:17,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 05:19:17,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-28 05:19:17,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1308 transitions. [2024-11-28 05:19:17,373 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8685258964143426 [2024-11-28 05:19:17,373 INFO L175 Difference]: Start difference. First operand has 232 places, 269 transitions, 1359 flow. Second operand 6 states and 1308 transitions. [2024-11-28 05:19:17,373 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 141 places, 136 transitions, 558 flow [2024-11-28 05:19:17,375 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 138 places, 136 transitions, 418 flow, removed 70 selfloop flow, removed 3 redundant places. [2024-11-28 05:19:17,377 INFO L231 Difference]: Finished difference. Result has 138 places, 112 transitions, 248 flow [2024-11-28 05:19:17,378 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=251, PETRI_DIFFERENCE_MINUEND_FLOW=240, PETRI_DIFFERENCE_MINUEND_PLACES=133, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=112, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=108, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=248, PETRI_PLACES=138, PETRI_TRANSITIONS=112} [2024-11-28 05:19:17,378 INFO L279 CegarLoopForPetriNet]: 245 programPoint places, -107 predicate places. [2024-11-28 05:19:17,378 INFO L471 AbstractCegarLoop]: Abstraction has has 138 places, 112 transitions, 248 flow [2024-11-28 05:19:17,379 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 213.2) internal successors, (1066), 5 states have internal predecessors, (1066), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:19:17,379 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 05:19:17,380 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:19:17,380 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-28 05:19:17,380 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2024-11-28 05:19:17,381 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:19:17,381 INFO L85 PathProgramCache]: Analyzing trace with hash 133752418, now seen corresponding path program 1 times [2024-11-28 05:19:17,381 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:19:17,381 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [408191354] [2024-11-28 05:19:17,381 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:19:17,382 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:19:17,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:19:17,492 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-28 05:19:17,493 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:19:17,493 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [408191354] [2024-11-28 05:19:17,493 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [408191354] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:19:17,493 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:19:17,493 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 05:19:17,493 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [835778453] [2024-11-28 05:19:17,493 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:19:17,494 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 05:19:17,494 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:19:17,494 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 05:19:17,495 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 05:19:17,504 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 219 out of 251 [2024-11-28 05:19:17,505 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 138 places, 112 transitions, 248 flow. Second operand has 3 states, 3 states have (on average 222.0) internal successors, (666), 3 states have internal predecessors, (666), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:19:17,506 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 05:19:17,506 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 219 of 251 [2024-11-28 05:19:17,506 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 05:19:17,578 INFO L124 PetriNetUnfolderBase]: 24/201 cut-off events. [2024-11-28 05:19:17,578 INFO L125 PetriNetUnfolderBase]: For 21/47 co-relation queries the response was YES. [2024-11-28 05:19:17,579 INFO L83 FinitePrefix]: Finished finitePrefix Result has 335 conditions, 201 events. 24/201 cut-off events. For 21/47 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 463 event pairs, 18 based on Foata normal form. 0/193 useless extension candidates. Maximal degree in co-relation 315. Up to 47 conditions per place. [2024-11-28 05:19:17,579 INFO L140 encePairwiseOnDemand]: 249/251 looper letters, 0 selfloop transitions, 0 changer transitions 114/114 dead transitions. [2024-11-28 05:19:17,579 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 139 places, 114 transitions, 288 flow [2024-11-28 05:19:17,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 05:19:17,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 05:19:17,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 673 transitions. [2024-11-28 05:19:17,582 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8937583001328021 [2024-11-28 05:19:17,582 INFO L175 Difference]: Start difference. First operand has 138 places, 112 transitions, 248 flow. Second operand 3 states and 673 transitions. [2024-11-28 05:19:17,582 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 139 places, 114 transitions, 288 flow [2024-11-28 05:19:17,583 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 135 places, 114 transitions, 281 flow, removed 0 selfloop flow, removed 4 redundant places. [2024-11-28 05:19:17,584 INFO L231 Difference]: Finished difference. Result has 135 places, 0 transitions, 0 flow [2024-11-28 05:19:17,584 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=251, PETRI_DIFFERENCE_MINUEND_FLOW=239, PETRI_DIFFERENCE_MINUEND_PLACES=133, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=111, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=111, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=135, PETRI_TRANSITIONS=0} [2024-11-28 05:19:17,585 INFO L279 CegarLoopForPetriNet]: 245 programPoint places, -110 predicate places. [2024-11-28 05:19:17,585 INFO L471 AbstractCegarLoop]: Abstraction has has 135 places, 0 transitions, 0 flow [2024-11-28 05:19:17,586 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 222.0) internal successors, (666), 3 states have internal predecessors, (666), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:19:17,588 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (22 of 23 remaining) [2024-11-28 05:19:17,589 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (21 of 23 remaining) [2024-11-28 05:19:17,589 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (20 of 23 remaining) [2024-11-28 05:19:17,589 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (19 of 23 remaining) [2024-11-28 05:19:17,589 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (18 of 23 remaining) [2024-11-28 05:19:17,590 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (17 of 23 remaining) [2024-11-28 05:19:17,590 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (16 of 23 remaining) [2024-11-28 05:19:17,590 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (15 of 23 remaining) [2024-11-28 05:19:17,590 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (14 of 23 remaining) [2024-11-28 05:19:17,590 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (13 of 23 remaining) [2024-11-28 05:19:17,590 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (12 of 23 remaining) [2024-11-28 05:19:17,590 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (11 of 23 remaining) [2024-11-28 05:19:17,590 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (10 of 23 remaining) [2024-11-28 05:19:17,591 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (9 of 23 remaining) [2024-11-28 05:19:17,591 INFO L782 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr0ASSERT_VIOLATIONDATA_RACE (8 of 23 remaining) [2024-11-28 05:19:17,591 INFO L782 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr1ASSERT_VIOLATIONDATA_RACE (7 of 23 remaining) [2024-11-28 05:19:17,591 INFO L782 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr2ASSERT_VIOLATIONDATA_RACE (6 of 23 remaining) [2024-11-28 05:19:17,591 INFO L782 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr0ASSERT_VIOLATIONDATA_RACE (5 of 23 remaining) [2024-11-28 05:19:17,591 INFO L782 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr1ASSERT_VIOLATIONDATA_RACE (4 of 23 remaining) [2024-11-28 05:19:17,591 INFO L782 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr2ASSERT_VIOLATIONDATA_RACE (3 of 23 remaining) [2024-11-28 05:19:17,591 INFO L782 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr0ASSERT_VIOLATIONDATA_RACE (2 of 23 remaining) [2024-11-28 05:19:17,592 INFO L782 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr1ASSERT_VIOLATIONDATA_RACE (1 of 23 remaining) [2024-11-28 05:19:17,592 INFO L782 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr2ASSERT_VIOLATIONDATA_RACE (0 of 23 remaining) [2024-11-28 05:19:17,592 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-28 05:19:17,592 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:19:17,598 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-28 05:19:17,598 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-28 05:19:17,605 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 05:19:17 BasicIcfg [2024-11-28 05:19:17,605 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-28 05:19:17,606 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-28 05:19:17,606 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-28 05:19:17,606 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-28 05:19:17,607 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 05:19:03" (3/4) ... [2024-11-28 05:19:17,609 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-11-28 05:19:17,613 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure my_callback [2024-11-28 05:19:17,620 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 23 nodes and edges [2024-11-28 05:19:17,620 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2024-11-28 05:19:17,621 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-28 05:19:17,621 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-28 05:19:17,745 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ae587a-c4f7-4366-a740-35ff0331c0d3/bin/uautomizer-verify-aQ6SnzHsRB/witness.graphml [2024-11-28 05:19:17,746 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ae587a-c4f7-4366-a740-35ff0331c0d3/bin/uautomizer-verify-aQ6SnzHsRB/witness.yml [2024-11-28 05:19:17,746 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-28 05:19:17,747 INFO L158 Benchmark]: Toolchain (without parser) took 16887.08ms. Allocated memory was 117.4MB in the beginning and 327.2MB in the end (delta: 209.7MB). Free memory was 89.2MB in the beginning and 170.9MB in the end (delta: -81.7MB). Peak memory consumption was 126.9MB. Max. memory is 16.1GB. [2024-11-28 05:19:17,747 INFO L158 Benchmark]: CDTParser took 1.66ms. Allocated memory is still 117.4MB. Free memory is still 74.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 05:19:17,747 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1021.02ms. Allocated memory is still 117.4MB. Free memory was 89.2MB in the beginning and 57.7MB in the end (delta: 31.5MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-28 05:19:17,747 INFO L158 Benchmark]: Boogie Procedure Inliner took 91.47ms. Allocated memory is still 117.4MB. Free memory was 57.7MB in the beginning and 54.7MB in the end (delta: 3.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 05:19:17,748 INFO L158 Benchmark]: Boogie Preprocessor took 61.83ms. Allocated memory is still 117.4MB. Free memory was 54.7MB in the beginning and 51.5MB in the end (delta: 3.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 05:19:17,748 INFO L158 Benchmark]: RCFGBuilder took 1088.90ms. Allocated memory is still 117.4MB. Free memory was 51.5MB in the beginning and 67.4MB in the end (delta: -15.9MB). Peak memory consumption was 23.8MB. Max. memory is 16.1GB. [2024-11-28 05:19:17,748 INFO L158 Benchmark]: TraceAbstraction took 14476.58ms. Allocated memory was 117.4MB in the beginning and 327.2MB in the end (delta: 209.7MB). Free memory was 66.9MB in the beginning and 176.2MB in the end (delta: -109.4MB). Peak memory consumption was 103.1MB. Max. memory is 16.1GB. [2024-11-28 05:19:17,749 INFO L158 Benchmark]: Witness Printer took 139.89ms. Allocated memory is still 327.2MB. Free memory was 176.2MB in the beginning and 170.9MB in the end (delta: 5.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 05:19:17,754 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.66ms. Allocated memory is still 117.4MB. Free memory is still 74.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1021.02ms. Allocated memory is still 117.4MB. Free memory was 89.2MB in the beginning and 57.7MB in the end (delta: 31.5MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 91.47ms. Allocated memory is still 117.4MB. Free memory was 57.7MB in the beginning and 54.7MB in the end (delta: 3.0MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 61.83ms. Allocated memory is still 117.4MB. Free memory was 54.7MB in the beginning and 51.5MB in the end (delta: 3.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 1088.90ms. Allocated memory is still 117.4MB. Free memory was 51.5MB in the beginning and 67.4MB in the end (delta: -15.9MB). Peak memory consumption was 23.8MB. Max. memory is 16.1GB. * TraceAbstraction took 14476.58ms. Allocated memory was 117.4MB in the beginning and 327.2MB in the end (delta: 209.7MB). Free memory was 66.9MB in the beginning and 176.2MB in the end (delta: -109.4MB). Peak memory consumption was 103.1MB. Max. memory is 16.1GB. * Witness Printer took 139.89ms. Allocated memory is still 327.2MB. Free memory was 176.2MB in the beginning and 170.9MB in the end (delta: 5.4MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 3924]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 3925]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 3930]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 3939]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 3931]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 3961]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 3940]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 3962]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 3957]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 3963]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 3958]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 3964]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 3908]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 3911]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 3914]: 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 4 procedures, 260 locations, 23 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: 14.3s, OverallIterations: 11, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 8.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.2s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1004 SdHoareTripleChecker+Valid, 5.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 574 mSDsluCounter, 114 SdHoareTripleChecker+Invalid, 4.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 19 mSDsCounter, 337 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2544 IncrementalHoareTripleChecker+Invalid, 2881 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 337 mSolverCounterUnsat, 95 mSDtfsCounter, 2544 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 52 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1359occurred in iteration=9, InterpolantAutomatonStates: 54, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 4.6s InterpolantComputationTime, 739 NumberOfCodeBlocks, 739 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 728 ConstructedInterpolants, 0 QuantifiedInterpolants, 1284 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 11 InterpolantComputations, 11 PerfectInterpolantSequences, 21/21 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, ConComCheckerStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 15 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-28 05:19:17,781 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ae587a-c4f7-4366-a740-35ff0331c0d3/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE