./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/parallel-ticket-3.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d1b7d0-ce06-4449-99c6-3f647f7c6634/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d1b7d0-ce06-4449-99c6-3f647f7c6634/bin/uautomizer-verify-BQ2R08f2Ya/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d1b7d0-ce06-4449-99c6-3f647f7c6634/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d1b7d0-ce06-4449-99c6-3f647f7c6634/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/parallel-ticket-3.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d1b7d0-ce06-4449-99c6-3f647f7c6634/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d1b7d0-ce06-4449-99c6-3f647f7c6634/bin/uautomizer-verify-BQ2R08f2Ya --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 6a1fdac91c77d25a0ff7a4081206e72776b2070a8df670f4d024b55d140add18 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 06:13:57,222 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 06:13:57,283 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d1b7d0-ce06-4449-99c6-3f647f7c6634/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-11-29 06:13:57,287 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 06:13:57,288 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 06:13:57,312 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 06:13:57,312 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 06:13:57,313 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 06:13:57,314 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-29 06:13:57,314 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-29 06:13:57,315 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 06:13:57,315 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 06:13:57,316 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 06:13:57,316 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 06:13:57,317 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-29 06:13:57,317 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-29 06:13:57,318 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-29 06:13:57,318 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-29 06:13:57,319 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 06:13:57,319 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-29 06:13:57,320 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-29 06:13:57,320 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-29 06:13:57,321 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-11-29 06:13:57,321 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-29 06:13:57,322 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-29 06:13:57,322 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 06:13:57,322 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 06:13:57,323 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 06:13:57,323 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 06:13:57,324 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-29 06:13:57,324 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 06:13:57,325 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 06:13:57,325 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-29 06:13:57,326 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-29 06:13:57,326 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-29 06:13:57,326 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-29 06:13:57,327 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-29 06:13:57,327 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-29 06:13:57,327 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-29 06:13:57,327 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-29 06:13:57,327 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-29 06:13:57,328 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d1b7d0-ce06-4449-99c6-3f647f7c6634/bin/uautomizer-verify-BQ2R08f2Ya/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d1b7d0-ce06-4449-99c6-3f647f7c6634/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6a1fdac91c77d25a0ff7a4081206e72776b2070a8df670f4d024b55d140add18 [2023-11-29 06:13:57,551 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 06:13:57,570 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 06:13:57,573 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 06:13:57,574 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 06:13:57,574 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 06:13:57,576 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d1b7d0-ce06-4449-99c6-3f647f7c6634/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/weaver/parallel-ticket-3.wvr.c [2023-11-29 06:14:00,286 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 06:14:00,462 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 06:14:00,463 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d1b7d0-ce06-4449-99c6-3f647f7c6634/sv-benchmarks/c/weaver/parallel-ticket-3.wvr.c [2023-11-29 06:14:00,472 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d1b7d0-ce06-4449-99c6-3f647f7c6634/bin/uautomizer-verify-BQ2R08f2Ya/data/6d3d00023/46e59ddf39b147b2a54f643662fd57bb/FLAGf84cbb6d5 [2023-11-29 06:14:00,488 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d1b7d0-ce06-4449-99c6-3f647f7c6634/bin/uautomizer-verify-BQ2R08f2Ya/data/6d3d00023/46e59ddf39b147b2a54f643662fd57bb [2023-11-29 06:14:00,490 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 06:14:00,492 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 06:14:00,493 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 06:14:00,493 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 06:14:00,498 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 06:14:00,499 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 06:14:00" (1/1) ... [2023-11-29 06:14:00,500 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@62c3fc5d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:14:00, skipping insertion in model container [2023-11-29 06:14:00,500 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 06:14:00" (1/1) ... [2023-11-29 06:14:00,527 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 06:14:00,710 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 06:14:00,720 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 06:14:00,752 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 06:14:00,760 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-29 06:14:00,760 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-29 06:14:00,768 INFO L206 MainTranslator]: Completed translation [2023-11-29 06:14:00,768 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:14:00 WrapperNode [2023-11-29 06:14:00,768 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 06:14:00,769 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 06:14:00,769 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 06:14:00,769 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 06:14:00,777 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:14:00" (1/1) ... [2023-11-29 06:14:00,787 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:14:00" (1/1) ... [2023-11-29 06:14:00,817 INFO L138 Inliner]: procedures = 22, calls = 56, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 336 [2023-11-29 06:14:00,817 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 06:14:00,818 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 06:14:00,818 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 06:14:00,818 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 06:14:00,827 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:14:00" (1/1) ... [2023-11-29 06:14:00,827 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:14:00" (1/1) ... [2023-11-29 06:14:00,831 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:14:00" (1/1) ... [2023-11-29 06:14:00,832 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:14:00" (1/1) ... [2023-11-29 06:14:00,842 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:14:00" (1/1) ... [2023-11-29 06:14:00,845 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:14:00" (1/1) ... [2023-11-29 06:14:00,847 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:14:00" (1/1) ... [2023-11-29 06:14:00,849 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:14:00" (1/1) ... [2023-11-29 06:14:00,852 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 06:14:00,853 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 06:14:00,854 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 06:14:00,854 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 06:14:00,855 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:14:00" (1/1) ... [2023-11-29 06:14:00,860 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 06:14:00,871 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d1b7d0-ce06-4449-99c6-3f647f7c6634/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:14:00,885 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d1b7d0-ce06-4449-99c6-3f647f7c6634/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-29 06:14:00,894 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d1b7d0-ce06-4449-99c6-3f647f7c6634/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-29 06:14:00,921 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 06:14:00,921 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-29 06:14:00,921 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-29 06:14:00,921 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-29 06:14:00,922 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-29 06:14:00,922 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-11-29 06:14:00,922 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-11-29 06:14:00,922 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-29 06:14:00,922 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-29 06:14:00,922 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-29 06:14:00,923 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-29 06:14:00,923 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-29 06:14:00,923 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 06:14:00,923 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 06:14:00,923 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-29 06:14:00,924 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-29 06:14:00,925 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-29 06:14:01,044 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 06:14:01,046 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 06:14:01,443 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 06:14:01,643 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 06:14:01,643 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-29 06:14:01,645 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 06:14:01 BoogieIcfgContainer [2023-11-29 06:14:01,645 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 06:14:01,648 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-29 06:14:01,648 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-29 06:14:01,651 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-29 06:14:01,652 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 06:14:00" (1/3) ... [2023-11-29 06:14:01,652 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57d9bf9a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 06:14:01, skipping insertion in model container [2023-11-29 06:14:01,653 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:14:00" (2/3) ... [2023-11-29 06:14:01,653 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57d9bf9a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 06:14:01, skipping insertion in model container [2023-11-29 06:14:01,653 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 06:14:01" (3/3) ... [2023-11-29 06:14:01,655 INFO L112 eAbstractionObserver]: Analyzing ICFG parallel-ticket-3.wvr.c [2023-11-29 06:14:01,663 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-29 06:14:01,674 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-29 06:14:01,674 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 49 error locations. [2023-11-29 06:14:01,675 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-29 06:14:01,750 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2023-11-29 06:14:01,787 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 253 places, 248 transitions, 517 flow [2023-11-29 06:14:01,877 INFO L124 PetriNetUnfolderBase]: 5/245 cut-off events. [2023-11-29 06:14:01,877 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2023-11-29 06:14:01,882 INFO L83 FinitePrefix]: Finished finitePrefix Result has 258 conditions, 245 events. 5/245 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 244 event pairs, 0 based on Foata normal form. 0/191 useless extension candidates. Maximal degree in co-relation 176. Up to 2 conditions per place. [2023-11-29 06:14:01,882 INFO L82 GeneralOperation]: Start removeDead. Operand has 253 places, 248 transitions, 517 flow [2023-11-29 06:14:01,889 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 228 places, 222 transitions, 462 flow [2023-11-29 06:14:01,899 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-29 06:14:01,906 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@51bd72d5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-29 06:14:01,906 INFO L358 AbstractCegarLoop]: Starting to check reachability of 84 error locations. [2023-11-29 06:14:01,912 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-29 06:14:01,912 INFO L124 PetriNetUnfolderBase]: 0/23 cut-off events. [2023-11-29 06:14:01,912 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-29 06:14:01,912 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 06:14:01,913 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:14:01,913 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 80 more)] === [2023-11-29 06:14:01,918 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:14:01,918 INFO L85 PathProgramCache]: Analyzing trace with hash -622194825, now seen corresponding path program 1 times [2023-11-29 06:14:01,928 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:14:01,928 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1938140376] [2023-11-29 06:14:01,928 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:14:01,929 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:14:02,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:14:02,121 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:14:02,122 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:14:02,122 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1938140376] [2023-11-29 06:14:02,122 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1938140376] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:14:02,123 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:14:02,123 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 06:14:02,124 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1206626405] [2023-11-29 06:14:02,125 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:14:02,134 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 06:14:02,139 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:14:02,164 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 06:14:02,165 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 06:14:02,181 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 187 out of 248 [2023-11-29 06:14:02,186 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 228 places, 222 transitions, 462 flow. Second operand has 3 states, 3 states have (on average 188.33333333333334) internal successors, (565), 3 states have internal predecessors, (565), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:14:02,186 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 06:14:02,186 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 187 of 248 [2023-11-29 06:14:02,187 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 06:14:02,431 INFO L124 PetriNetUnfolderBase]: 317/832 cut-off events. [2023-11-29 06:14:02,431 INFO L125 PetriNetUnfolderBase]: For 153/239 co-relation queries the response was YES. [2023-11-29 06:14:02,436 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1478 conditions, 832 events. 317/832 cut-off events. For 153/239 co-relation queries the response was YES. Maximal size of possible extension queue 45. Compared 4033 event pairs, 314 based on Foata normal form. 1/793 useless extension candidates. Maximal degree in co-relation 1254. Up to 535 conditions per place. [2023-11-29 06:14:02,444 INFO L140 encePairwiseOnDemand]: 212/248 looper letters, 22 selfloop transitions, 2 changer transitions 1/188 dead transitions. [2023-11-29 06:14:02,444 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 197 places, 188 transitions, 442 flow [2023-11-29 06:14:02,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 06:14:02,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 06:14:02,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 619 transitions. [2023-11-29 06:14:02,460 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.831989247311828 [2023-11-29 06:14:02,461 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 619 transitions. [2023-11-29 06:14:02,461 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 619 transitions. [2023-11-29 06:14:02,464 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 06:14:02,466 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 619 transitions. [2023-11-29 06:14:02,470 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 206.33333333333334) internal successors, (619), 3 states have internal predecessors, (619), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:14:02,476 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 248.0) internal successors, (992), 4 states have internal predecessors, (992), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:14:02,477 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 248.0) internal successors, (992), 4 states have internal predecessors, (992), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:14:02,479 INFO L175 Difference]: Start difference. First operand has 228 places, 222 transitions, 462 flow. Second operand 3 states and 619 transitions. [2023-11-29 06:14:02,480 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 197 places, 188 transitions, 442 flow [2023-11-29 06:14:02,484 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 191 places, 188 transitions, 430 flow, removed 0 selfloop flow, removed 6 redundant places. [2023-11-29 06:14:02,489 INFO L231 Difference]: Finished difference. Result has 191 places, 187 transitions, 384 flow [2023-11-29 06:14:02,492 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=248, PETRI_DIFFERENCE_MINUEND_FLOW=382, PETRI_DIFFERENCE_MINUEND_PLACES=189, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=188, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=186, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=384, PETRI_PLACES=191, PETRI_TRANSITIONS=187} [2023-11-29 06:14:02,495 INFO L281 CegarLoopForPetriNet]: 228 programPoint places, -37 predicate places. [2023-11-29 06:14:02,496 INFO L495 AbstractCegarLoop]: Abstraction has has 191 places, 187 transitions, 384 flow [2023-11-29 06:14:02,496 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 188.33333333333334) internal successors, (565), 3 states have internal predecessors, (565), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:14:02,496 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 06:14:02,497 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:14:02,497 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-29 06:14:02,497 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 80 more)] === [2023-11-29 06:14:02,498 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:14:02,498 INFO L85 PathProgramCache]: Analyzing trace with hash 2067710794, now seen corresponding path program 1 times [2023-11-29 06:14:02,498 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:14:02,498 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1437191982] [2023-11-29 06:14:02,498 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:14:02,499 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:14:02,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:14:02,556 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:14:02,556 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:14:02,557 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1437191982] [2023-11-29 06:14:02,557 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1437191982] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:14:02,557 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:14:02,557 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 06:14:02,557 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [914149537] [2023-11-29 06:14:02,558 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:14:02,559 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 06:14:02,559 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:14:02,560 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 06:14:02,560 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 06:14:02,571 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 187 out of 248 [2023-11-29 06:14:02,572 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 191 places, 187 transitions, 384 flow. Second operand has 3 states, 3 states have (on average 188.33333333333334) internal successors, (565), 3 states have internal predecessors, (565), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:14:02,572 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 06:14:02,572 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 187 of 248 [2023-11-29 06:14:02,572 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 06:14:02,745 INFO L124 PetriNetUnfolderBase]: 317/830 cut-off events. [2023-11-29 06:14:02,745 INFO L125 PetriNetUnfolderBase]: For 31/117 co-relation queries the response was YES. [2023-11-29 06:14:02,748 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1408 conditions, 830 events. 317/830 cut-off events. For 31/117 co-relation queries the response was YES. Maximal size of possible extension queue 45. Compared 4009 event pairs, 314 based on Foata normal form. 0/792 useless extension candidates. Maximal degree in co-relation 1376. Up to 535 conditions per place. [2023-11-29 06:14:02,752 INFO L140 encePairwiseOnDemand]: 245/248 looper letters, 22 selfloop transitions, 2 changer transitions 0/186 dead transitions. [2023-11-29 06:14:02,752 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 191 places, 186 transitions, 430 flow [2023-11-29 06:14:02,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 06:14:02,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 06:14:02,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 586 transitions. [2023-11-29 06:14:02,755 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7876344086021505 [2023-11-29 06:14:02,755 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 586 transitions. [2023-11-29 06:14:02,755 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 586 transitions. [2023-11-29 06:14:02,755 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 06:14:02,756 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 586 transitions. [2023-11-29 06:14:02,758 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 195.33333333333334) internal successors, (586), 3 states have internal predecessors, (586), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:14:02,760 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 248.0) internal successors, (992), 4 states have internal predecessors, (992), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:14:02,761 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 248.0) internal successors, (992), 4 states have internal predecessors, (992), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:14:02,761 INFO L175 Difference]: Start difference. First operand has 191 places, 187 transitions, 384 flow. Second operand 3 states and 586 transitions. [2023-11-29 06:14:02,761 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 191 places, 186 transitions, 430 flow [2023-11-29 06:14:02,763 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 189 places, 186 transitions, 426 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 06:14:02,767 INFO L231 Difference]: Finished difference. Result has 189 places, 186 transitions, 382 flow [2023-11-29 06:14:02,767 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=248, PETRI_DIFFERENCE_MINUEND_FLOW=378, PETRI_DIFFERENCE_MINUEND_PLACES=187, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=186, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=184, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=382, PETRI_PLACES=189, PETRI_TRANSITIONS=186} [2023-11-29 06:14:02,768 INFO L281 CegarLoopForPetriNet]: 228 programPoint places, -39 predicate places. [2023-11-29 06:14:02,768 INFO L495 AbstractCegarLoop]: Abstraction has has 189 places, 186 transitions, 382 flow [2023-11-29 06:14:02,769 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 188.33333333333334) internal successors, (565), 3 states have internal predecessors, (565), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:14:02,769 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 06:14:02,769 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:14:02,770 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-29 06:14:02,770 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 80 more)] === [2023-11-29 06:14:02,770 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:14:02,771 INFO L85 PathProgramCache]: Analyzing trace with hash 1425689527, now seen corresponding path program 1 times [2023-11-29 06:14:02,771 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:14:02,771 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [569570094] [2023-11-29 06:14:02,771 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:14:02,772 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:14:02,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:14:02,823 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:14:02,824 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:14:02,824 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [569570094] [2023-11-29 06:14:02,824 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [569570094] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:14:02,825 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:14:02,825 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 06:14:02,825 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1035430809] [2023-11-29 06:14:02,825 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:14:02,826 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 06:14:02,826 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:14:02,826 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 06:14:02,827 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 06:14:02,835 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 187 out of 248 [2023-11-29 06:14:02,836 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 189 places, 186 transitions, 382 flow. Second operand has 3 states, 3 states have (on average 188.33333333333334) internal successors, (565), 3 states have internal predecessors, (565), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:14:02,836 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 06:14:02,836 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 187 of 248 [2023-11-29 06:14:02,836 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 06:14:02,986 INFO L124 PetriNetUnfolderBase]: 317/829 cut-off events. [2023-11-29 06:14:02,987 INFO L125 PetriNetUnfolderBase]: For 31/117 co-relation queries the response was YES. [2023-11-29 06:14:02,989 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1407 conditions, 829 events. 317/829 cut-off events. For 31/117 co-relation queries the response was YES. Maximal size of possible extension queue 45. Compared 4004 event pairs, 314 based on Foata normal form. 0/792 useless extension candidates. Maximal degree in co-relation 1367. Up to 535 conditions per place. [2023-11-29 06:14:02,994 INFO L140 encePairwiseOnDemand]: 245/248 looper letters, 22 selfloop transitions, 2 changer transitions 0/185 dead transitions. [2023-11-29 06:14:02,994 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 190 places, 185 transitions, 428 flow [2023-11-29 06:14:02,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 06:14:02,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 06:14:02,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 586 transitions. [2023-11-29 06:14:02,996 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7876344086021505 [2023-11-29 06:14:02,996 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 586 transitions. [2023-11-29 06:14:02,997 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 586 transitions. [2023-11-29 06:14:02,997 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 06:14:02,997 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 586 transitions. [2023-11-29 06:14:02,999 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 195.33333333333334) internal successors, (586), 3 states have internal predecessors, (586), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:14:03,001 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 248.0) internal successors, (992), 4 states have internal predecessors, (992), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:14:03,001 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 248.0) internal successors, (992), 4 states have internal predecessors, (992), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:14:03,002 INFO L175 Difference]: Start difference. First operand has 189 places, 186 transitions, 382 flow. Second operand 3 states and 586 transitions. [2023-11-29 06:14:03,002 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 190 places, 185 transitions, 428 flow [2023-11-29 06:14:03,003 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 188 places, 185 transitions, 424 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 06:14:03,006 INFO L231 Difference]: Finished difference. Result has 188 places, 185 transitions, 380 flow [2023-11-29 06:14:03,006 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=248, PETRI_DIFFERENCE_MINUEND_FLOW=376, PETRI_DIFFERENCE_MINUEND_PLACES=186, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=185, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=183, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=380, PETRI_PLACES=188, PETRI_TRANSITIONS=185} [2023-11-29 06:14:03,007 INFO L281 CegarLoopForPetriNet]: 228 programPoint places, -40 predicate places. [2023-11-29 06:14:03,007 INFO L495 AbstractCegarLoop]: Abstraction has has 188 places, 185 transitions, 380 flow [2023-11-29 06:14:03,008 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 188.33333333333334) internal successors, (565), 3 states have internal predecessors, (565), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:14:03,008 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 06:14:03,008 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:14:03,008 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-29 06:14:03,008 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 80 more)] === [2023-11-29 06:14:03,009 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:14:03,009 INFO L85 PathProgramCache]: Analyzing trace with hash 1006052871, now seen corresponding path program 1 times [2023-11-29 06:14:03,009 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:14:03,009 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [893556369] [2023-11-29 06:14:03,009 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:14:03,010 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:14:03,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:14:03,067 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:14:03,067 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:14:03,068 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [893556369] [2023-11-29 06:14:03,068 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [893556369] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:14:03,068 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:14:03,068 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 06:14:03,068 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [812441081] [2023-11-29 06:14:03,069 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:14:03,069 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 06:14:03,069 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:14:03,070 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 06:14:03,070 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 06:14:03,096 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 184 out of 248 [2023-11-29 06:14:03,097 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 188 places, 185 transitions, 380 flow. Second operand has 3 states, 3 states have (on average 185.33333333333334) internal successors, (556), 3 states have internal predecessors, (556), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:14:03,098 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 06:14:03,098 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 184 of 248 [2023-11-29 06:14:03,098 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 06:14:03,270 INFO L124 PetriNetUnfolderBase]: 317/828 cut-off events. [2023-11-29 06:14:03,270 INFO L125 PetriNetUnfolderBase]: For 31/117 co-relation queries the response was YES. [2023-11-29 06:14:03,272 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1409 conditions, 828 events. 317/828 cut-off events. For 31/117 co-relation queries the response was YES. Maximal size of possible extension queue 45. Compared 4051 event pairs, 314 based on Foata normal form. 0/792 useless extension candidates. Maximal degree in co-relation 1361. Up to 538 conditions per place. [2023-11-29 06:14:03,277 INFO L140 encePairwiseOnDemand]: 245/248 looper letters, 25 selfloop transitions, 2 changer transitions 0/184 dead transitions. [2023-11-29 06:14:03,277 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 189 places, 184 transitions, 432 flow [2023-11-29 06:14:03,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 06:14:03,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 06:14:03,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 580 transitions. [2023-11-29 06:14:03,280 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7795698924731183 [2023-11-29 06:14:03,280 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 580 transitions. [2023-11-29 06:14:03,280 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 580 transitions. [2023-11-29 06:14:03,281 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 06:14:03,281 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 580 transitions. [2023-11-29 06:14:03,283 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 193.33333333333334) internal successors, (580), 3 states have internal predecessors, (580), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:14:03,285 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 248.0) internal successors, (992), 4 states have internal predecessors, (992), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:14:03,286 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 248.0) internal successors, (992), 4 states have internal predecessors, (992), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:14:03,286 INFO L175 Difference]: Start difference. First operand has 188 places, 185 transitions, 380 flow. Second operand 3 states and 580 transitions. [2023-11-29 06:14:03,286 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 189 places, 184 transitions, 432 flow [2023-11-29 06:14:03,288 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 187 places, 184 transitions, 428 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 06:14:03,291 INFO L231 Difference]: Finished difference. Result has 187 places, 184 transitions, 378 flow [2023-11-29 06:14:03,291 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=248, PETRI_DIFFERENCE_MINUEND_FLOW=374, PETRI_DIFFERENCE_MINUEND_PLACES=185, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=184, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=182, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=378, PETRI_PLACES=187, PETRI_TRANSITIONS=184} [2023-11-29 06:14:03,292 INFO L281 CegarLoopForPetriNet]: 228 programPoint places, -41 predicate places. [2023-11-29 06:14:03,292 INFO L495 AbstractCegarLoop]: Abstraction has has 187 places, 184 transitions, 378 flow [2023-11-29 06:14:03,293 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 185.33333333333334) internal successors, (556), 3 states have internal predecessors, (556), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:14:03,293 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 06:14:03,293 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:14:03,293 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-29 06:14:03,294 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 80 more)] === [2023-11-29 06:14:03,294 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:14:03,294 INFO L85 PathProgramCache]: Analyzing trace with hash 897088901, now seen corresponding path program 1 times [2023-11-29 06:14:03,294 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:14:03,294 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [131174514] [2023-11-29 06:14:03,295 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:14:03,295 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:14:03,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:14:03,340 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:14:03,341 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:14:03,341 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [131174514] [2023-11-29 06:14:03,341 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [131174514] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:14:03,341 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:14:03,342 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 06:14:03,342 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [766738989] [2023-11-29 06:14:03,342 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:14:03,342 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 06:14:03,343 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:14:03,343 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 06:14:03,343 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 06:14:03,355 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 186 out of 248 [2023-11-29 06:14:03,356 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 187 places, 184 transitions, 378 flow. Second operand has 3 states, 3 states have (on average 187.33333333333334) internal successors, (562), 3 states have internal predecessors, (562), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:14:03,356 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 06:14:03,356 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 186 of 248 [2023-11-29 06:14:03,356 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 06:14:03,516 INFO L124 PetriNetUnfolderBase]: 317/827 cut-off events. [2023-11-29 06:14:03,516 INFO L125 PetriNetUnfolderBase]: For 31/117 co-relation queries the response was YES. [2023-11-29 06:14:03,518 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1406 conditions, 827 events. 317/827 cut-off events. For 31/117 co-relation queries the response was YES. Maximal size of possible extension queue 45. Compared 4002 event pairs, 314 based on Foata normal form. 0/792 useless extension candidates. Maximal degree in co-relation 1350. Up to 536 conditions per place. [2023-11-29 06:14:03,523 INFO L140 encePairwiseOnDemand]: 245/248 looper letters, 23 selfloop transitions, 2 changer transitions 0/183 dead transitions. [2023-11-29 06:14:03,523 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 188 places, 183 transitions, 426 flow [2023-11-29 06:14:03,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 06:14:03,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 06:14:03,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 584 transitions. [2023-11-29 06:14:03,526 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7849462365591398 [2023-11-29 06:14:03,526 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 584 transitions. [2023-11-29 06:14:03,526 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 584 transitions. [2023-11-29 06:14:03,527 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 06:14:03,527 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 584 transitions. [2023-11-29 06:14:03,529 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 194.66666666666666) internal successors, (584), 3 states have internal predecessors, (584), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:14:03,531 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 248.0) internal successors, (992), 4 states have internal predecessors, (992), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:14:03,532 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 248.0) internal successors, (992), 4 states have internal predecessors, (992), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:14:03,532 INFO L175 Difference]: Start difference. First operand has 187 places, 184 transitions, 378 flow. Second operand 3 states and 584 transitions. [2023-11-29 06:14:03,532 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 188 places, 183 transitions, 426 flow [2023-11-29 06:14:03,534 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 186 places, 183 transitions, 422 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 06:14:03,537 INFO L231 Difference]: Finished difference. Result has 186 places, 183 transitions, 376 flow [2023-11-29 06:14:03,537 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=248, PETRI_DIFFERENCE_MINUEND_FLOW=372, PETRI_DIFFERENCE_MINUEND_PLACES=184, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=183, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=181, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=376, PETRI_PLACES=186, PETRI_TRANSITIONS=183} [2023-11-29 06:14:03,538 INFO L281 CegarLoopForPetriNet]: 228 programPoint places, -42 predicate places. [2023-11-29 06:14:03,538 INFO L495 AbstractCegarLoop]: Abstraction has has 186 places, 183 transitions, 376 flow [2023-11-29 06:14:03,539 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 187.33333333333334) internal successors, (562), 3 states have internal predecessors, (562), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:14:03,539 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 06:14:03,539 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:14:03,539 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-29 06:14:03,539 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 80 more)] === [2023-11-29 06:14:03,540 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:14:03,540 INFO L85 PathProgramCache]: Analyzing trace with hash -861555027, now seen corresponding path program 1 times [2023-11-29 06:14:03,540 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:14:03,540 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [617500528] [2023-11-29 06:14:03,541 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:14:03,541 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:14:03,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:14:03,585 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:14:03,586 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:14:03,586 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [617500528] [2023-11-29 06:14:03,586 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [617500528] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:14:03,586 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:14:03,586 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 06:14:03,587 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [850092839] [2023-11-29 06:14:03,587 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:14:03,587 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 06:14:03,588 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:14:03,588 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 06:14:03,588 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 06:14:03,599 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 186 out of 248 [2023-11-29 06:14:03,601 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 186 places, 183 transitions, 376 flow. Second operand has 3 states, 3 states have (on average 187.33333333333334) internal successors, (562), 3 states have internal predecessors, (562), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:14:03,601 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 06:14:03,601 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 186 of 248 [2023-11-29 06:14:03,601 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 06:14:03,753 INFO L124 PetriNetUnfolderBase]: 317/826 cut-off events. [2023-11-29 06:14:03,754 INFO L125 PetriNetUnfolderBase]: For 31/117 co-relation queries the response was YES. [2023-11-29 06:14:03,755 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1405 conditions, 826 events. 317/826 cut-off events. For 31/117 co-relation queries the response was YES. Maximal size of possible extension queue 45. Compared 4032 event pairs, 314 based on Foata normal form. 0/792 useless extension candidates. Maximal degree in co-relation 1341. Up to 536 conditions per place. [2023-11-29 06:14:03,761 INFO L140 encePairwiseOnDemand]: 245/248 looper letters, 23 selfloop transitions, 2 changer transitions 0/182 dead transitions. [2023-11-29 06:14:03,761 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 187 places, 182 transitions, 424 flow [2023-11-29 06:14:03,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 06:14:03,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 06:14:03,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 584 transitions. [2023-11-29 06:14:03,764 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7849462365591398 [2023-11-29 06:14:03,764 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 584 transitions. [2023-11-29 06:14:03,764 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 584 transitions. [2023-11-29 06:14:03,764 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 06:14:03,764 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 584 transitions. [2023-11-29 06:14:03,766 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 194.66666666666666) internal successors, (584), 3 states have internal predecessors, (584), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:14:03,768 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 248.0) internal successors, (992), 4 states have internal predecessors, (992), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:14:03,769 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 248.0) internal successors, (992), 4 states have internal predecessors, (992), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:14:03,769 INFO L175 Difference]: Start difference. First operand has 186 places, 183 transitions, 376 flow. Second operand 3 states and 584 transitions. [2023-11-29 06:14:03,770 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 187 places, 182 transitions, 424 flow [2023-11-29 06:14:03,771 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 185 places, 182 transitions, 420 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 06:14:03,774 INFO L231 Difference]: Finished difference. Result has 185 places, 182 transitions, 374 flow [2023-11-29 06:14:03,774 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=248, PETRI_DIFFERENCE_MINUEND_FLOW=370, PETRI_DIFFERENCE_MINUEND_PLACES=183, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=182, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=180, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=374, PETRI_PLACES=185, PETRI_TRANSITIONS=182} [2023-11-29 06:14:03,775 INFO L281 CegarLoopForPetriNet]: 228 programPoint places, -43 predicate places. [2023-11-29 06:14:03,775 INFO L495 AbstractCegarLoop]: Abstraction has has 185 places, 182 transitions, 374 flow [2023-11-29 06:14:03,776 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 187.33333333333334) internal successors, (562), 3 states have internal predecessors, (562), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:14:03,776 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 06:14:03,776 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:14:03,777 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-29 06:14:03,777 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 80 more)] === [2023-11-29 06:14:03,777 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:14:03,777 INFO L85 PathProgramCache]: Analyzing trace with hash 1643654802, now seen corresponding path program 1 times [2023-11-29 06:14:03,778 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:14:03,778 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [855237862] [2023-11-29 06:14:03,778 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:14:03,778 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:14:03,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:14:03,833 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:14:03,833 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:14:03,833 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [855237862] [2023-11-29 06:14:03,834 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [855237862] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:14:03,834 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:14:03,834 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 06:14:03,834 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [285184454] [2023-11-29 06:14:03,834 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:14:03,835 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 06:14:03,835 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:14:03,836 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 06:14:03,836 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 06:14:03,852 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 185 out of 248 [2023-11-29 06:14:03,854 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 185 places, 182 transitions, 374 flow. Second operand has 3 states, 3 states have (on average 186.33333333333334) internal successors, (559), 3 states have internal predecessors, (559), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:14:03,854 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 06:14:03,854 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 185 of 248 [2023-11-29 06:14:03,854 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 06:14:04,019 INFO L124 PetriNetUnfolderBase]: 317/825 cut-off events. [2023-11-29 06:14:04,019 INFO L125 PetriNetUnfolderBase]: For 31/117 co-relation queries the response was YES. [2023-11-29 06:14:04,021 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1405 conditions, 825 events. 317/825 cut-off events. For 31/117 co-relation queries the response was YES. Maximal size of possible extension queue 45. Compared 4037 event pairs, 314 based on Foata normal form. 0/792 useless extension candidates. Maximal degree in co-relation 1333. Up to 537 conditions per place. [2023-11-29 06:14:04,026 INFO L140 encePairwiseOnDemand]: 245/248 looper letters, 24 selfloop transitions, 2 changer transitions 0/181 dead transitions. [2023-11-29 06:14:04,026 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 186 places, 181 transitions, 424 flow [2023-11-29 06:14:04,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 06:14:04,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 06:14:04,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 582 transitions. [2023-11-29 06:14:04,029 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.782258064516129 [2023-11-29 06:14:04,029 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 582 transitions. [2023-11-29 06:14:04,029 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 582 transitions. [2023-11-29 06:14:04,030 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 06:14:04,030 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 582 transitions. [2023-11-29 06:14:04,032 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 194.0) internal successors, (582), 3 states have internal predecessors, (582), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:14:04,034 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 248.0) internal successors, (992), 4 states have internal predecessors, (992), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:14:04,034 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 248.0) internal successors, (992), 4 states have internal predecessors, (992), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:14:04,034 INFO L175 Difference]: Start difference. First operand has 185 places, 182 transitions, 374 flow. Second operand 3 states and 582 transitions. [2023-11-29 06:14:04,034 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 186 places, 181 transitions, 424 flow [2023-11-29 06:14:04,036 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 184 places, 181 transitions, 420 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 06:14:04,039 INFO L231 Difference]: Finished difference. Result has 184 places, 181 transitions, 372 flow [2023-11-29 06:14:04,039 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=248, PETRI_DIFFERENCE_MINUEND_FLOW=368, PETRI_DIFFERENCE_MINUEND_PLACES=182, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=181, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=179, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=372, PETRI_PLACES=184, PETRI_TRANSITIONS=181} [2023-11-29 06:14:04,040 INFO L281 CegarLoopForPetriNet]: 228 programPoint places, -44 predicate places. [2023-11-29 06:14:04,040 INFO L495 AbstractCegarLoop]: Abstraction has has 184 places, 181 transitions, 372 flow [2023-11-29 06:14:04,041 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 186.33333333333334) internal successors, (559), 3 states have internal predecessors, (559), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:14:04,041 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 06:14:04,041 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:14:04,041 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-29 06:14:04,041 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 80 more)] === [2023-11-29 06:14:04,042 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:14:04,042 INFO L85 PathProgramCache]: Analyzing trace with hash 932045146, now seen corresponding path program 1 times [2023-11-29 06:14:04,042 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:14:04,042 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [845798852] [2023-11-29 06:14:04,042 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:14:04,043 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:14:04,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:14:04,086 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:14:04,087 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:14:04,087 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [845798852] [2023-11-29 06:14:04,087 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [845798852] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:14:04,087 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:14:04,087 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 06:14:04,088 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1560159550] [2023-11-29 06:14:04,088 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:14:04,088 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 06:14:04,088 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:14:04,089 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 06:14:04,089 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 06:14:04,102 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 184 out of 248 [2023-11-29 06:14:04,103 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 184 places, 181 transitions, 372 flow. Second operand has 3 states, 3 states have (on average 185.0) internal successors, (555), 3 states have internal predecessors, (555), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:14:04,103 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 06:14:04,103 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 184 of 248 [2023-11-29 06:14:04,103 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 06:14:04,318 INFO L124 PetriNetUnfolderBase]: 396/1163 cut-off events. [2023-11-29 06:14:04,318 INFO L125 PetriNetUnfolderBase]: For 49/120 co-relation queries the response was YES. [2023-11-29 06:14:04,321 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1901 conditions, 1163 events. 396/1163 cut-off events. For 49/120 co-relation queries the response was YES. Maximal size of possible extension queue 65. Compared 6853 event pairs, 195 based on Foata normal form. 1/1116 useless extension candidates. Maximal degree in co-relation 1822. Up to 404 conditions per place. [2023-11-29 06:14:04,327 INFO L140 encePairwiseOnDemand]: 238/248 looper letters, 36 selfloop transitions, 7 changer transitions 0/195 dead transitions. [2023-11-29 06:14:04,327 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 183 places, 195 transitions, 490 flow [2023-11-29 06:14:04,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 06:14:04,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 06:14:04,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 598 transitions. [2023-11-29 06:14:04,330 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.803763440860215 [2023-11-29 06:14:04,330 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 598 transitions. [2023-11-29 06:14:04,330 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 598 transitions. [2023-11-29 06:14:04,331 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 06:14:04,331 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 598 transitions. [2023-11-29 06:14:04,333 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 199.33333333333334) internal successors, (598), 3 states have internal predecessors, (598), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:14:04,335 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 248.0) internal successors, (992), 4 states have internal predecessors, (992), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:14:04,335 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 248.0) internal successors, (992), 4 states have internal predecessors, (992), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:14:04,335 INFO L175 Difference]: Start difference. First operand has 184 places, 181 transitions, 372 flow. Second operand 3 states and 598 transitions. [2023-11-29 06:14:04,335 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 183 places, 195 transitions, 490 flow [2023-11-29 06:14:04,337 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 181 places, 195 transitions, 486 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 06:14:04,340 INFO L231 Difference]: Finished difference. Result has 183 places, 184 transitions, 414 flow [2023-11-29 06:14:04,340 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=248, PETRI_DIFFERENCE_MINUEND_FLOW=362, PETRI_DIFFERENCE_MINUEND_PLACES=179, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=178, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=171, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=414, PETRI_PLACES=183, PETRI_TRANSITIONS=184} [2023-11-29 06:14:04,341 INFO L281 CegarLoopForPetriNet]: 228 programPoint places, -45 predicate places. [2023-11-29 06:14:04,341 INFO L495 AbstractCegarLoop]: Abstraction has has 183 places, 184 transitions, 414 flow [2023-11-29 06:14:04,342 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 185.0) internal successors, (555), 3 states have internal predecessors, (555), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:14:04,342 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 06:14:04,342 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:14:04,342 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-11-29 06:14:04,342 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 80 more)] === [2023-11-29 06:14:04,343 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:14:04,343 INFO L85 PathProgramCache]: Analyzing trace with hash -1952757522, now seen corresponding path program 1 times [2023-11-29 06:14:04,343 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:14:04,343 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [88559360] [2023-11-29 06:14:04,343 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:14:04,343 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:14:04,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:14:04,385 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:14:04,385 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:14:04,386 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [88559360] [2023-11-29 06:14:04,386 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [88559360] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:14:04,386 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:14:04,386 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 06:14:04,386 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [717384079] [2023-11-29 06:14:04,386 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:14:04,387 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 06:14:04,387 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:14:04,387 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 06:14:04,388 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 06:14:04,394 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 190 out of 248 [2023-11-29 06:14:04,394 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 183 places, 184 transitions, 414 flow. Second operand has 3 states, 3 states have (on average 191.0) internal successors, (573), 3 states have internal predecessors, (573), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:14:04,395 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 06:14:04,395 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 190 of 248 [2023-11-29 06:14:04,395 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 06:14:04,579 INFO L124 PetriNetUnfolderBase]: 396/1026 cut-off events. [2023-11-29 06:14:04,579 INFO L125 PetriNetUnfolderBase]: For 294/374 co-relation queries the response was YES. [2023-11-29 06:14:04,582 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2187 conditions, 1026 events. 396/1026 cut-off events. For 294/374 co-relation queries the response was YES. Maximal size of possible extension queue 61. Compared 5487 event pairs, 243 based on Foata normal form. 1/989 useless extension candidates. Maximal degree in co-relation 1348. Up to 683 conditions per place. [2023-11-29 06:14:04,589 INFO L140 encePairwiseOnDemand]: 243/248 looper letters, 29 selfloop transitions, 4 changer transitions 0/188 dead transitions. [2023-11-29 06:14:04,590 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 184 places, 188 transitions, 490 flow [2023-11-29 06:14:04,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 06:14:04,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 06:14:04,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 598 transitions. [2023-11-29 06:14:04,593 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.803763440860215 [2023-11-29 06:14:04,593 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 598 transitions. [2023-11-29 06:14:04,593 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 598 transitions. [2023-11-29 06:14:04,593 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 06:14:04,593 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 598 transitions. [2023-11-29 06:14:04,595 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 199.33333333333334) internal successors, (598), 3 states have internal predecessors, (598), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:14:04,597 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 248.0) internal successors, (992), 4 states have internal predecessors, (992), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:14:04,598 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 248.0) internal successors, (992), 4 states have internal predecessors, (992), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:14:04,598 INFO L175 Difference]: Start difference. First operand has 183 places, 184 transitions, 414 flow. Second operand 3 states and 598 transitions. [2023-11-29 06:14:04,598 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 184 places, 188 transitions, 490 flow [2023-11-29 06:14:04,603 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 182 places, 188 transitions, 476 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 06:14:04,606 INFO L231 Difference]: Finished difference. Result has 183 places, 186 transitions, 422 flow [2023-11-29 06:14:04,606 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=248, PETRI_DIFFERENCE_MINUEND_FLOW=398, PETRI_DIFFERENCE_MINUEND_PLACES=180, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=183, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=179, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=422, PETRI_PLACES=183, PETRI_TRANSITIONS=186} [2023-11-29 06:14:04,607 INFO L281 CegarLoopForPetriNet]: 228 programPoint places, -45 predicate places. [2023-11-29 06:14:04,607 INFO L495 AbstractCegarLoop]: Abstraction has has 183 places, 186 transitions, 422 flow [2023-11-29 06:14:04,607 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 191.0) internal successors, (573), 3 states have internal predecessors, (573), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:14:04,608 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 06:14:04,608 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:14:04,608 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-11-29 06:14:04,608 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 80 more)] === [2023-11-29 06:14:04,608 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:14:04,609 INFO L85 PathProgramCache]: Analyzing trace with hash 253651319, now seen corresponding path program 1 times [2023-11-29 06:14:04,609 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:14:04,609 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [948282761] [2023-11-29 06:14:04,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:14:04,609 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:14:04,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:14:04,648 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:14:04,648 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:14:04,649 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [948282761] [2023-11-29 06:14:04,649 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [948282761] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:14:04,649 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:14:04,649 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 06:14:04,649 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1424284658] [2023-11-29 06:14:04,649 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:14:04,650 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 06:14:04,650 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:14:04,651 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 06:14:04,651 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 06:14:04,657 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 190 out of 248 [2023-11-29 06:14:04,657 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 183 places, 186 transitions, 422 flow. Second operand has 3 states, 3 states have (on average 191.0) internal successors, (573), 3 states have internal predecessors, (573), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:14:04,658 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 06:14:04,658 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 190 of 248 [2023-11-29 06:14:04,658 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 06:14:04,910 INFO L124 PetriNetUnfolderBase]: 565/1399 cut-off events. [2023-11-29 06:14:04,911 INFO L125 PetriNetUnfolderBase]: For 306/386 co-relation queries the response was YES. [2023-11-29 06:14:04,914 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3027 conditions, 1399 events. 565/1399 cut-off events. For 306/386 co-relation queries the response was YES. Maximal size of possible extension queue 85. Compared 8071 event pairs, 358 based on Foata normal form. 0/1345 useless extension candidates. Maximal degree in co-relation 1511. Up to 727 conditions per place. [2023-11-29 06:14:04,925 INFO L140 encePairwiseOnDemand]: 245/248 looper letters, 51 selfloop transitions, 2 changer transitions 0/207 dead transitions. [2023-11-29 06:14:04,925 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 184 places, 207 transitions, 608 flow [2023-11-29 06:14:04,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 06:14:04,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 06:14:04,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 607 transitions. [2023-11-29 06:14:04,928 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8158602150537635 [2023-11-29 06:14:04,928 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 607 transitions. [2023-11-29 06:14:04,928 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 607 transitions. [2023-11-29 06:14:04,929 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 06:14:04,929 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 607 transitions. [2023-11-29 06:14:04,931 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 202.33333333333334) internal successors, (607), 3 states have internal predecessors, (607), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:14:04,932 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 248.0) internal successors, (992), 4 states have internal predecessors, (992), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:14:04,933 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 248.0) internal successors, (992), 4 states have internal predecessors, (992), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:14:04,933 INFO L175 Difference]: Start difference. First operand has 183 places, 186 transitions, 422 flow. Second operand 3 states and 607 transitions. [2023-11-29 06:14:04,933 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 184 places, 207 transitions, 608 flow [2023-11-29 06:14:04,935 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 183 places, 207 transitions, 601 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-29 06:14:04,939 INFO L231 Difference]: Finished difference. Result has 184 places, 186 transitions, 426 flow [2023-11-29 06:14:04,939 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=248, PETRI_DIFFERENCE_MINUEND_FLOW=416, PETRI_DIFFERENCE_MINUEND_PLACES=181, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=185, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=183, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=426, PETRI_PLACES=184, PETRI_TRANSITIONS=186} [2023-11-29 06:14:04,940 INFO L281 CegarLoopForPetriNet]: 228 programPoint places, -44 predicate places. [2023-11-29 06:14:04,940 INFO L495 AbstractCegarLoop]: Abstraction has has 184 places, 186 transitions, 426 flow [2023-11-29 06:14:04,940 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 191.0) internal successors, (573), 3 states have internal predecessors, (573), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:14:04,940 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 06:14:04,941 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:14:04,941 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-11-29 06:14:04,941 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 80 more)] === [2023-11-29 06:14:04,941 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:14:04,941 INFO L85 PathProgramCache]: Analyzing trace with hash 913137370, now seen corresponding path program 1 times [2023-11-29 06:14:04,941 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:14:04,942 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [670868288] [2023-11-29 06:14:04,942 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:14:04,942 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:14:04,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:14:04,979 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:14:04,979 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:14:04,980 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [670868288] [2023-11-29 06:14:04,980 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [670868288] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:14:04,980 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:14:04,980 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 06:14:04,980 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1804544540] [2023-11-29 06:14:04,980 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:14:04,981 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 06:14:04,981 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:14:04,981 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 06:14:04,982 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 06:14:04,992 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 187 out of 248 [2023-11-29 06:14:04,993 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 184 places, 186 transitions, 426 flow. Second operand has 3 states, 3 states have (on average 188.0) internal successors, (564), 3 states have internal predecessors, (564), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:14:04,993 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 06:14:04,993 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 187 of 248 [2023-11-29 06:14:04,993 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 06:14:05,331 INFO L124 PetriNetUnfolderBase]: 811/1905 cut-off events. [2023-11-29 06:14:05,331 INFO L125 PetriNetUnfolderBase]: For 495/612 co-relation queries the response was YES. [2023-11-29 06:14:05,336 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4323 conditions, 1905 events. 811/1905 cut-off events. For 495/612 co-relation queries the response was YES. Maximal size of possible extension queue 108. Compared 11775 event pairs, 483 based on Foata normal form. 1/1824 useless extension candidates. Maximal degree in co-relation 3007. Up to 1047 conditions per place. [2023-11-29 06:14:05,351 INFO L140 encePairwiseOnDemand]: 242/248 looper letters, 49 selfloop transitions, 3 changer transitions 3/205 dead transitions. [2023-11-29 06:14:05,351 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 184 places, 205 transitions, 605 flow [2023-11-29 06:14:05,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 06:14:05,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 06:14:05,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 601 transitions. [2023-11-29 06:14:05,353 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8077956989247311 [2023-11-29 06:14:05,354 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 601 transitions. [2023-11-29 06:14:05,354 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 601 transitions. [2023-11-29 06:14:05,354 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 06:14:05,354 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 601 transitions. [2023-11-29 06:14:05,356 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 200.33333333333334) internal successors, (601), 3 states have internal predecessors, (601), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:14:05,358 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 248.0) internal successors, (992), 4 states have internal predecessors, (992), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:14:05,359 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 248.0) internal successors, (992), 4 states have internal predecessors, (992), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:14:05,359 INFO L175 Difference]: Start difference. First operand has 184 places, 186 transitions, 426 flow. Second operand 3 states and 601 transitions. [2023-11-29 06:14:05,359 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 184 places, 205 transitions, 605 flow [2023-11-29 06:14:05,361 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 183 places, 205 transitions, 602 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-29 06:14:05,364 INFO L231 Difference]: Finished difference. Result has 184 places, 183 transitions, 430 flow [2023-11-29 06:14:05,365 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=248, PETRI_DIFFERENCE_MINUEND_FLOW=420, PETRI_DIFFERENCE_MINUEND_PLACES=181, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=184, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=181, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=430, PETRI_PLACES=184, PETRI_TRANSITIONS=183} [2023-11-29 06:14:05,366 INFO L281 CegarLoopForPetriNet]: 228 programPoint places, -44 predicate places. [2023-11-29 06:14:05,366 INFO L495 AbstractCegarLoop]: Abstraction has has 184 places, 183 transitions, 430 flow [2023-11-29 06:14:05,366 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 188.0) internal successors, (564), 3 states have internal predecessors, (564), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:14:05,366 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 06:14:05,366 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:14:05,367 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-11-29 06:14:05,367 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 80 more)] === [2023-11-29 06:14:05,367 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:14:05,367 INFO L85 PathProgramCache]: Analyzing trace with hash 1999388158, now seen corresponding path program 1 times [2023-11-29 06:14:05,367 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:14:05,367 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [784575066] [2023-11-29 06:14:05,368 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:14:05,368 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:14:05,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:14:06,018 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:14:06,018 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:14:06,018 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [784575066] [2023-11-29 06:14:06,018 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [784575066] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:14:06,018 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:14:06,019 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 06:14:06,019 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1296776047] [2023-11-29 06:14:06,019 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:14:06,019 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 06:14:06,020 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:14:06,020 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 06:14:06,020 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-29 06:14:06,187 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 184 out of 248 [2023-11-29 06:14:06,189 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 184 places, 183 transitions, 430 flow. Second operand has 6 states, 6 states have (on average 185.66666666666666) internal successors, (1114), 6 states have internal predecessors, (1114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:14:06,189 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 06:14:06,189 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 184 of 248 [2023-11-29 06:14:06,189 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 06:14:07,456 INFO L124 PetriNetUnfolderBase]: 5471/8799 cut-off events. [2023-11-29 06:14:07,456 INFO L125 PetriNetUnfolderBase]: For 5025/5025 co-relation queries the response was YES. [2023-11-29 06:14:07,470 INFO L83 FinitePrefix]: Finished finitePrefix Result has 22773 conditions, 8799 events. 5471/8799 cut-off events. For 5025/5025 co-relation queries the response was YES. Maximal size of possible extension queue 427. Compared 53675 event pairs, 411 based on Foata normal form. 0/8662 useless extension candidates. Maximal degree in co-relation 16589. Up to 2786 conditions per place. [2023-11-29 06:14:07,519 INFO L140 encePairwiseOnDemand]: 243/248 looper letters, 133 selfloop transitions, 4 changer transitions 0/282 dead transitions. [2023-11-29 06:14:07,519 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 185 places, 282 transitions, 1102 flow [2023-11-29 06:14:07,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 06:14:07,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-29 06:14:07,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1182 transitions. [2023-11-29 06:14:07,523 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7943548387096774 [2023-11-29 06:14:07,523 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1182 transitions. [2023-11-29 06:14:07,523 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1182 transitions. [2023-11-29 06:14:07,524 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 06:14:07,525 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1182 transitions. [2023-11-29 06:14:07,528 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 197.0) internal successors, (1182), 6 states have internal predecessors, (1182), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:14:07,531 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 248.0) internal successors, (1736), 7 states have internal predecessors, (1736), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:14:07,532 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 248.0) internal successors, (1736), 7 states have internal predecessors, (1736), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:14:07,532 INFO L175 Difference]: Start difference. First operand has 184 places, 183 transitions, 430 flow. Second operand 6 states and 1182 transitions. [2023-11-29 06:14:07,532 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 185 places, 282 transitions, 1102 flow [2023-11-29 06:14:07,536 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 184 places, 282 transitions, 1091 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-29 06:14:07,540 INFO L231 Difference]: Finished difference. Result has 184 places, 182 transitions, 433 flow [2023-11-29 06:14:07,540 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=248, PETRI_DIFFERENCE_MINUEND_FLOW=425, PETRI_DIFFERENCE_MINUEND_PLACES=179, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=182, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=178, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=433, PETRI_PLACES=184, PETRI_TRANSITIONS=182} [2023-11-29 06:14:07,541 INFO L281 CegarLoopForPetriNet]: 228 programPoint places, -44 predicate places. [2023-11-29 06:14:07,541 INFO L495 AbstractCegarLoop]: Abstraction has has 184 places, 182 transitions, 433 flow [2023-11-29 06:14:07,542 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 185.66666666666666) internal successors, (1114), 6 states have internal predecessors, (1114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:14:07,542 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 06:14:07,542 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:14:07,542 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-11-29 06:14:07,542 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 80 more)] === [2023-11-29 06:14:07,543 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:14:07,543 INFO L85 PathProgramCache]: Analyzing trace with hash 1644859478, now seen corresponding path program 1 times [2023-11-29 06:14:07,543 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:14:07,543 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [861036608] [2023-11-29 06:14:07,543 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:14:07,543 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:14:07,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:14:08,138 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:14:08,138 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:14:08,138 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [861036608] [2023-11-29 06:14:08,139 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [861036608] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:14:08,139 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:14:08,139 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 06:14:08,139 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1704134444] [2023-11-29 06:14:08,139 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:14:08,140 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 06:14:08,140 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:14:08,141 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 06:14:08,141 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-29 06:14:08,298 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 184 out of 248 [2023-11-29 06:14:08,300 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 184 places, 182 transitions, 433 flow. Second operand has 6 states, 6 states have (on average 186.66666666666666) internal successors, (1120), 6 states have internal predecessors, (1120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:14:08,301 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 06:14:08,301 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 184 of 248 [2023-11-29 06:14:08,301 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 06:14:08,902 INFO L124 PetriNetUnfolderBase]: 1291/2617 cut-off events. [2023-11-29 06:14:08,902 INFO L125 PetriNetUnfolderBase]: For 1058/1161 co-relation queries the response was YES. [2023-11-29 06:14:08,909 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6460 conditions, 2617 events. 1291/2617 cut-off events. For 1058/1161 co-relation queries the response was YES. Maximal size of possible extension queue 108. Compared 15026 event pairs, 478 based on Foata normal form. 0/2534 useless extension candidates. Maximal degree in co-relation 3903. Up to 1337 conditions per place. [2023-11-29 06:14:08,925 INFO L140 encePairwiseOnDemand]: 243/248 looper letters, 89 selfloop transitions, 4 changer transitions 0/237 dead transitions. [2023-11-29 06:14:08,925 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 188 places, 237 transitions, 841 flow [2023-11-29 06:14:08,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 06:14:08,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-29 06:14:08,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1162 transitions. [2023-11-29 06:14:08,930 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7809139784946236 [2023-11-29 06:14:08,931 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1162 transitions. [2023-11-29 06:14:08,931 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1162 transitions. [2023-11-29 06:14:08,932 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 06:14:08,932 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1162 transitions. [2023-11-29 06:14:08,936 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 193.66666666666666) internal successors, (1162), 6 states have internal predecessors, (1162), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:14:08,940 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 248.0) internal successors, (1736), 7 states have internal predecessors, (1736), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:14:08,941 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 248.0) internal successors, (1736), 7 states have internal predecessors, (1736), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:14:08,941 INFO L175 Difference]: Start difference. First operand has 184 places, 182 transitions, 433 flow. Second operand 6 states and 1162 transitions. [2023-11-29 06:14:08,942 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 188 places, 237 transitions, 841 flow [2023-11-29 06:14:08,945 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 184 places, 237 transitions, 834 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-11-29 06:14:08,949 INFO L231 Difference]: Finished difference. Result has 184 places, 181 transitions, 432 flow [2023-11-29 06:14:08,950 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=248, PETRI_DIFFERENCE_MINUEND_FLOW=424, PETRI_DIFFERENCE_MINUEND_PLACES=179, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=181, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=177, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=432, PETRI_PLACES=184, PETRI_TRANSITIONS=181} [2023-11-29 06:14:08,951 INFO L281 CegarLoopForPetriNet]: 228 programPoint places, -44 predicate places. [2023-11-29 06:14:08,951 INFO L495 AbstractCegarLoop]: Abstraction has has 184 places, 181 transitions, 432 flow [2023-11-29 06:14:08,952 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 186.66666666666666) internal successors, (1120), 6 states have internal predecessors, (1120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:14:08,952 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 06:14:08,952 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:14:08,952 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-11-29 06:14:08,952 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 80 more)] === [2023-11-29 06:14:08,953 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:14:08,953 INFO L85 PathProgramCache]: Analyzing trace with hash 1829369175, now seen corresponding path program 1 times [2023-11-29 06:14:08,953 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:14:08,953 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1104687161] [2023-11-29 06:14:08,953 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:14:08,954 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:14:08,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:14:09,706 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:14:09,706 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:14:09,706 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1104687161] [2023-11-29 06:14:09,706 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1104687161] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:14:09,706 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:14:09,706 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 06:14:09,707 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [19424342] [2023-11-29 06:14:09,707 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:14:09,707 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 06:14:09,707 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:14:09,708 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 06:14:09,708 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-29 06:14:09,848 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 184 out of 248 [2023-11-29 06:14:09,849 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 184 places, 181 transitions, 432 flow. Second operand has 6 states, 6 states have (on average 187.5) internal successors, (1125), 6 states have internal predecessors, (1125), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:14:09,849 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 06:14:09,849 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 184 of 248 [2023-11-29 06:14:09,849 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 06:14:10,214 INFO L124 PetriNetUnfolderBase]: 841/1934 cut-off events. [2023-11-29 06:14:10,215 INFO L125 PetriNetUnfolderBase]: For 612/727 co-relation queries the response was YES. [2023-11-29 06:14:10,219 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4669 conditions, 1934 events. 841/1934 cut-off events. For 612/727 co-relation queries the response was YES. Maximal size of possible extension queue 108. Compared 11728 event pairs, 483 based on Foata normal form. 0/1866 useless extension candidates. Maximal degree in co-relation 4363. Up to 1350 conditions per place. [2023-11-29 06:14:10,220 INFO L140 encePairwiseOnDemand]: 243/248 looper letters, 0 selfloop transitions, 0 changer transitions 200/200 dead transitions. [2023-11-29 06:14:10,220 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 188 places, 200 transitions, 624 flow [2023-11-29 06:14:10,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 06:14:10,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-29 06:14:10,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1146 transitions. [2023-11-29 06:14:10,224 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7701612903225806 [2023-11-29 06:14:10,224 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1146 transitions. [2023-11-29 06:14:10,224 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1146 transitions. [2023-11-29 06:14:10,225 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 06:14:10,225 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1146 transitions. [2023-11-29 06:14:10,229 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 191.0) internal successors, (1146), 6 states have internal predecessors, (1146), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:14:10,232 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 248.0) internal successors, (1736), 7 states have internal predecessors, (1736), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:14:10,233 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 248.0) internal successors, (1736), 7 states have internal predecessors, (1736), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:14:10,233 INFO L175 Difference]: Start difference. First operand has 184 places, 181 transitions, 432 flow. Second operand 6 states and 1146 transitions. [2023-11-29 06:14:10,233 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 188 places, 200 transitions, 624 flow [2023-11-29 06:14:10,235 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 184 places, 200 transitions, 617 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-11-29 06:14:10,237 INFO L231 Difference]: Finished difference. Result has 184 places, 0 transitions, 0 flow [2023-11-29 06:14:10,237 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=248, PETRI_DIFFERENCE_MINUEND_FLOW=423, PETRI_DIFFERENCE_MINUEND_PLACES=179, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=180, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=180, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=0, PETRI_PLACES=184, PETRI_TRANSITIONS=0} [2023-11-29 06:14:10,237 INFO L281 CegarLoopForPetriNet]: 228 programPoint places, -44 predicate places. [2023-11-29 06:14:10,238 INFO L495 AbstractCegarLoop]: Abstraction has has 184 places, 0 transitions, 0 flow [2023-11-29 06:14:10,238 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 187.5) internal successors, (1125), 6 states have internal predecessors, (1125), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:14:10,240 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (83 of 84 remaining) [2023-11-29 06:14:10,241 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (82 of 84 remaining) [2023-11-29 06:14:10,241 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (81 of 84 remaining) [2023-11-29 06:14:10,241 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (80 of 84 remaining) [2023-11-29 06:14:10,241 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (79 of 84 remaining) [2023-11-29 06:14:10,241 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (78 of 84 remaining) [2023-11-29 06:14:10,242 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (77 of 84 remaining) [2023-11-29 06:14:10,242 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (76 of 84 remaining) [2023-11-29 06:14:10,242 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (75 of 84 remaining) [2023-11-29 06:14:10,242 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (74 of 84 remaining) [2023-11-29 06:14:10,242 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (73 of 84 remaining) [2023-11-29 06:14:10,242 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (72 of 84 remaining) [2023-11-29 06:14:10,242 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (71 of 84 remaining) [2023-11-29 06:14:10,243 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (70 of 84 remaining) [2023-11-29 06:14:10,243 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (69 of 84 remaining) [2023-11-29 06:14:10,243 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (68 of 84 remaining) [2023-11-29 06:14:10,243 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (67 of 84 remaining) [2023-11-29 06:14:10,243 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (66 of 84 remaining) [2023-11-29 06:14:10,243 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (65 of 84 remaining) [2023-11-29 06:14:10,243 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (64 of 84 remaining) [2023-11-29 06:14:10,243 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (63 of 84 remaining) [2023-11-29 06:14:10,243 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (62 of 84 remaining) [2023-11-29 06:14:10,244 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (61 of 84 remaining) [2023-11-29 06:14:10,244 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (60 of 84 remaining) [2023-11-29 06:14:10,244 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (59 of 84 remaining) [2023-11-29 06:14:10,244 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (58 of 84 remaining) [2023-11-29 06:14:10,244 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (57 of 84 remaining) [2023-11-29 06:14:10,244 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (56 of 84 remaining) [2023-11-29 06:14:10,244 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (55 of 84 remaining) [2023-11-29 06:14:10,244 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err8ASSERT_VIOLATIONDATA_RACE (54 of 84 remaining) [2023-11-29 06:14:10,244 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err9ASSERT_VIOLATIONDATA_RACE (53 of 84 remaining) [2023-11-29 06:14:10,245 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err10ASSERT_VIOLATIONDATA_RACE (52 of 84 remaining) [2023-11-29 06:14:10,245 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (51 of 84 remaining) [2023-11-29 06:14:10,245 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (50 of 84 remaining) [2023-11-29 06:14:10,245 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (49 of 84 remaining) [2023-11-29 06:14:10,245 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (48 of 84 remaining) [2023-11-29 06:14:10,245 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (47 of 84 remaining) [2023-11-29 06:14:10,245 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (46 of 84 remaining) [2023-11-29 06:14:10,245 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (45 of 84 remaining) [2023-11-29 06:14:10,246 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (44 of 84 remaining) [2023-11-29 06:14:10,246 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (43 of 84 remaining) [2023-11-29 06:14:10,246 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (42 of 84 remaining) [2023-11-29 06:14:10,246 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (41 of 84 remaining) [2023-11-29 06:14:10,246 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (40 of 84 remaining) [2023-11-29 06:14:10,246 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (39 of 84 remaining) [2023-11-29 06:14:10,246 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (38 of 84 remaining) [2023-11-29 06:14:10,246 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE (37 of 84 remaining) [2023-11-29 06:14:10,247 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE (36 of 84 remaining) [2023-11-29 06:14:10,247 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONDATA_RACE (35 of 84 remaining) [2023-11-29 06:14:10,247 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (34 of 84 remaining) [2023-11-29 06:14:10,247 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (33 of 84 remaining) [2023-11-29 06:14:10,247 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (32 of 84 remaining) [2023-11-29 06:14:10,247 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (31 of 84 remaining) [2023-11-29 06:14:10,247 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (30 of 84 remaining) [2023-11-29 06:14:10,247 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (29 of 84 remaining) [2023-11-29 06:14:10,248 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (28 of 84 remaining) [2023-11-29 06:14:10,248 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (27 of 84 remaining) [2023-11-29 06:14:10,248 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (26 of 84 remaining) [2023-11-29 06:14:10,248 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (25 of 84 remaining) [2023-11-29 06:14:10,248 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (24 of 84 remaining) [2023-11-29 06:14:10,248 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (23 of 84 remaining) [2023-11-29 06:14:10,248 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (22 of 84 remaining) [2023-11-29 06:14:10,248 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (21 of 84 remaining) [2023-11-29 06:14:10,249 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (20 of 84 remaining) [2023-11-29 06:14:10,249 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (19 of 84 remaining) [2023-11-29 06:14:10,249 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (18 of 84 remaining) [2023-11-29 06:14:10,249 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (17 of 84 remaining) [2023-11-29 06:14:10,249 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (16 of 84 remaining) [2023-11-29 06:14:10,249 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (15 of 84 remaining) [2023-11-29 06:14:10,249 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (14 of 84 remaining) [2023-11-29 06:14:10,249 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (13 of 84 remaining) [2023-11-29 06:14:10,249 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (12 of 84 remaining) [2023-11-29 06:14:10,250 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (11 of 84 remaining) [2023-11-29 06:14:10,250 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (10 of 84 remaining) [2023-11-29 06:14:10,250 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (9 of 84 remaining) [2023-11-29 06:14:10,250 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (8 of 84 remaining) [2023-11-29 06:14:10,250 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (7 of 84 remaining) [2023-11-29 06:14:10,250 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (6 of 84 remaining) [2023-11-29 06:14:10,250 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (5 of 84 remaining) [2023-11-29 06:14:10,250 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (4 of 84 remaining) [2023-11-29 06:14:10,251 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (3 of 84 remaining) [2023-11-29 06:14:10,251 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err8ASSERT_VIOLATIONDATA_RACE (2 of 84 remaining) [2023-11-29 06:14:10,251 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err9ASSERT_VIOLATIONDATA_RACE (1 of 84 remaining) [2023-11-29 06:14:10,251 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err10ASSERT_VIOLATIONDATA_RACE (0 of 84 remaining) [2023-11-29 06:14:10,251 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-11-29 06:14:10,251 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:14:10,257 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-11-29 06:14:10,257 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-29 06:14:10,263 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 06:14:10 BasicIcfg [2023-11-29 06:14:10,263 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-29 06:14:10,263 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-29 06:14:10,263 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-29 06:14:10,263 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-29 06:14:10,264 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 06:14:01" (3/4) ... [2023-11-29 06:14:10,265 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-29 06:14:10,268 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2023-11-29 06:14:10,268 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2023-11-29 06:14:10,268 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2023-11-29 06:14:10,274 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2023-11-29 06:14:10,275 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-29 06:14:10,275 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-29 06:14:10,276 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-29 06:14:10,367 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d1b7d0-ce06-4449-99c6-3f647f7c6634/bin/uautomizer-verify-BQ2R08f2Ya/witness.graphml [2023-11-29 06:14:10,368 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d1b7d0-ce06-4449-99c6-3f647f7c6634/bin/uautomizer-verify-BQ2R08f2Ya/witness.yml [2023-11-29 06:14:10,368 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-29 06:14:10,369 INFO L158 Benchmark]: Toolchain (without parser) took 9877.16ms. Allocated memory was 134.2MB in the beginning and 465.6MB in the end (delta: 331.4MB). Free memory was 96.1MB in the beginning and 319.4MB in the end (delta: -223.3MB). Peak memory consumption was 109.0MB. Max. memory is 16.1GB. [2023-11-29 06:14:10,369 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 134.2MB. Free memory is still 105.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 06:14:10,370 INFO L158 Benchmark]: CACSL2BoogieTranslator took 275.33ms. Allocated memory is still 134.2MB. Free memory was 96.1MB in the beginning and 83.9MB in the end (delta: 12.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-29 06:14:10,370 INFO L158 Benchmark]: Boogie Procedure Inliner took 48.17ms. Allocated memory is still 134.2MB. Free memory was 83.9MB in the beginning and 81.0MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-29 06:14:10,370 INFO L158 Benchmark]: Boogie Preprocessor took 34.79ms. Allocated memory is still 134.2MB. Free memory was 81.0MB in the beginning and 79.4MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-29 06:14:10,371 INFO L158 Benchmark]: RCFGBuilder took 791.62ms. Allocated memory was 134.2MB in the beginning and 169.9MB in the end (delta: 35.7MB). Free memory was 78.9MB in the beginning and 126.7MB in the end (delta: -47.8MB). Peak memory consumption was 41.6MB. Max. memory is 16.1GB. [2023-11-29 06:14:10,371 INFO L158 Benchmark]: TraceAbstraction took 8614.65ms. Allocated memory was 169.9MB in the beginning and 465.6MB in the end (delta: 295.7MB). Free memory was 125.8MB in the beginning and 325.7MB in the end (delta: -199.9MB). Peak memory consumption was 328.0MB. Max. memory is 16.1GB. [2023-11-29 06:14:10,371 INFO L158 Benchmark]: Witness Printer took 105.15ms. Allocated memory is still 465.6MB. Free memory was 325.7MB in the beginning and 319.4MB in the end (delta: 6.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-29 06:14:10,373 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 134.2MB. Free memory is still 105.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 275.33ms. Allocated memory is still 134.2MB. Free memory was 96.1MB in the beginning and 83.9MB in the end (delta: 12.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 48.17ms. Allocated memory is still 134.2MB. Free memory was 83.9MB in the beginning and 81.0MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 34.79ms. Allocated memory is still 134.2MB. Free memory was 81.0MB in the beginning and 79.4MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 791.62ms. Allocated memory was 134.2MB in the beginning and 169.9MB in the end (delta: 35.7MB). Free memory was 78.9MB in the beginning and 126.7MB in the end (delta: -47.8MB). Peak memory consumption was 41.6MB. Max. memory is 16.1GB. * TraceAbstraction took 8614.65ms. Allocated memory was 169.9MB in the beginning and 465.6MB in the end (delta: 295.7MB). Free memory was 125.8MB in the beginning and 325.7MB in the end (delta: -199.9MB). Peak memory consumption was 328.0MB. Max. memory is 16.1GB. * Witness Printer took 105.15ms. Allocated memory is still 465.6MB. Free memory was 325.7MB in the beginning and 319.4MB in the end (delta: 6.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 43]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 43]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 48]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 48]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 54]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 57]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 57]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 65]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 65]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 66]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 66]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 70]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 70]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 73]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 73]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 73]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 76]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 76]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 84]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 84]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 85]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 85]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 89]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 89]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 92]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 92]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 92]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 95]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 95]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 105]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 106]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 107]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 108]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 109]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 110]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 111]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 114]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 114]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 114]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 114]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 114]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 114]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 119]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 120]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 121]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 123]: 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 7 procedures, 304 locations, 84 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: 8.5s, OverallIterations: 14, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 5.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 451 SdHoareTripleChecker+Valid, 1.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 270 mSDsluCounter, 31 SdHoareTripleChecker+Invalid, 1.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 148 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1337 IncrementalHoareTripleChecker+Invalid, 1485 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 148 mSolverCounterUnsat, 31 mSDtfsCounter, 1337 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 40 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=462occurred in iteration=0, InterpolantAutomatonStates: 51, 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, 0.1s SatisfiabilityAnalysisTime, 2.3s InterpolantComputationTime, 1050 NumberOfCodeBlocks, 1050 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 1036 ConstructedInterpolants, 0 QuantifiedInterpolants, 1301 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 14 InterpolantComputations, 14 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 49 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-11-29 06:14:10,391 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d1b7d0-ce06-4449-99c6-3f647f7c6634/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE