./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/popl20-bad-buffer-mult-alt.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 6497de01 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_721be60a-2b8a-4425-9fd0-1cf5b6e06223/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_721be60a-2b8a-4425-9fd0-1cf5b6e06223/bin/uautomizer-verify-LYvppIcaGC/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_721be60a-2b8a-4425-9fd0-1cf5b6e06223/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_721be60a-2b8a-4425-9fd0-1cf5b6e06223/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/popl20-bad-buffer-mult-alt.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_721be60a-2b8a-4425-9fd0-1cf5b6e06223/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_721be60a-2b8a-4425-9fd0-1cf5b6e06223/bin/uautomizer-verify-LYvppIcaGC --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 2e9e4bd6e9b16aa5f22ad2335ca34ba741869a12ab5a04a80108cf42ed170c0f --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-24 00:51:38,552 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-24 00:51:38,659 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_721be60a-2b8a-4425-9fd0-1cf5b6e06223/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-24 00:51:38,669 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-24 00:51:38,670 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-24 00:51:38,708 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-24 00:51:38,710 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-24 00:51:38,710 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-24 00:51:38,710 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-24 00:51:38,711 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-24 00:51:38,711 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-24 00:51:38,712 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-24 00:51:38,712 INFO L153 SettingsManager]: * Use SBE=true [2024-11-24 00:51:38,713 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-24 00:51:38,713 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-24 00:51:38,713 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-24 00:51:38,713 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-24 00:51:38,713 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-24 00:51:38,713 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-24 00:51:38,713 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-24 00:51:38,713 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-24 00:51:38,713 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-24 00:51:38,714 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-24 00:51:38,714 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-24 00:51:38,714 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-24 00:51:38,714 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-24 00:51:38,714 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-24 00:51:38,714 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-24 00:51:38,714 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-24 00:51:38,714 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 00:51:38,714 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 00:51:38,714 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 00:51:38,715 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-24 00:51:38,715 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 00:51:38,715 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 00:51:38,715 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 00:51:38,715 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-24 00:51:38,715 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-24 00:51:38,715 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-24 00:51:38,715 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-24 00:51:38,715 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-24 00:51:38,715 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-24 00:51:38,715 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-24 00:51:38,716 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-24 00:51:38,716 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-24 00:51:38,716 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-24 00:51:38,716 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_721be60a-2b8a-4425-9fd0-1cf5b6e06223/bin/uautomizer-verify-LYvppIcaGC 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 -> 2e9e4bd6e9b16aa5f22ad2335ca34ba741869a12ab5a04a80108cf42ed170c0f [2024-11-24 00:51:39,017 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-24 00:51:39,026 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-24 00:51:39,028 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-24 00:51:39,030 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-24 00:51:39,030 INFO L274 PluginConnector]: CDTParser initialized [2024-11-24 00:51:39,032 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_721be60a-2b8a-4425-9fd0-1cf5b6e06223/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/weaver/popl20-bad-buffer-mult-alt.wvr.c [2024-11-24 00:51:42,020 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_721be60a-2b8a-4425-9fd0-1cf5b6e06223/bin/uautomizer-verify-LYvppIcaGC/data/be2ad1180/b2787f8ab1c24785a90fae375096bc75/FLAG95f455379 [2024-11-24 00:51:42,373 INFO L384 CDTParser]: Found 1 translation units. [2024-11-24 00:51:42,374 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_721be60a-2b8a-4425-9fd0-1cf5b6e06223/sv-benchmarks/c/weaver/popl20-bad-buffer-mult-alt.wvr.c [2024-11-24 00:51:42,386 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_721be60a-2b8a-4425-9fd0-1cf5b6e06223/bin/uautomizer-verify-LYvppIcaGC/data/be2ad1180/b2787f8ab1c24785a90fae375096bc75/FLAG95f455379 [2024-11-24 00:51:42,410 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_721be60a-2b8a-4425-9fd0-1cf5b6e06223/bin/uautomizer-verify-LYvppIcaGC/data/be2ad1180/b2787f8ab1c24785a90fae375096bc75 [2024-11-24 00:51:42,413 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-24 00:51:42,414 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-24 00:51:42,416 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-24 00:51:42,417 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-24 00:51:42,422 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-24 00:51:42,423 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 12:51:42" (1/1) ... [2024-11-24 00:51:42,424 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@23d8ba7f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:51:42, skipping insertion in model container [2024-11-24 00:51:42,426 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 12:51:42" (1/1) ... [2024-11-24 00:51:42,452 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-24 00:51:42,737 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 00:51:42,747 INFO L200 MainTranslator]: Completed pre-run [2024-11-24 00:51:42,822 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 00:51:42,850 INFO L204 MainTranslator]: Completed translation [2024-11-24 00:51:42,851 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:51:42 WrapperNode [2024-11-24 00:51:42,851 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-24 00:51:42,853 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-24 00:51:42,853 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-24 00:51:42,853 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-24 00:51:42,865 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:51:42" (1/1) ... [2024-11-24 00:51:42,885 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:51:42" (1/1) ... [2024-11-24 00:51:42,945 INFO L138 Inliner]: procedures = 25, calls = 60, calls flagged for inlining = 18, calls inlined = 22, statements flattened = 613 [2024-11-24 00:51:42,948 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-24 00:51:42,949 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-24 00:51:42,949 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-24 00:51:42,949 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-24 00:51:42,959 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:51:42" (1/1) ... [2024-11-24 00:51:42,960 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:51:42" (1/1) ... [2024-11-24 00:51:42,966 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:51:42" (1/1) ... [2024-11-24 00:51:42,967 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:51:42" (1/1) ... [2024-11-24 00:51:42,983 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:51:42" (1/1) ... [2024-11-24 00:51:42,985 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:51:42" (1/1) ... [2024-11-24 00:51:42,990 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:51:42" (1/1) ... [2024-11-24 00:51:42,993 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:51:42" (1/1) ... [2024-11-24 00:51:42,995 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:51:42" (1/1) ... [2024-11-24 00:51:42,999 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-24 00:51:43,000 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-24 00:51:43,001 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-24 00:51:43,001 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-24 00:51:43,002 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:51:42" (1/1) ... [2024-11-24 00:51:43,008 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 00:51:43,021 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_721be60a-2b8a-4425-9fd0-1cf5b6e06223/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 00:51:43,047 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_721be60a-2b8a-4425-9fd0-1cf5b6e06223/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-24 00:51:43,051 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_721be60a-2b8a-4425-9fd0-1cf5b6e06223/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-24 00:51:43,080 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-24 00:51:43,080 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-11-24 00:51:43,080 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-11-24 00:51:43,081 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-11-24 00:51:43,081 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-11-24 00:51:43,081 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-11-24 00:51:43,081 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-11-24 00:51:43,081 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2024-11-24 00:51:43,081 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2024-11-24 00:51:43,081 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-24 00:51:43,082 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-24 00:51:43,082 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-24 00:51:43,082 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-24 00:51:43,082 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-24 00:51:43,082 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-24 00:51:43,082 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-24 00:51:43,083 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-24 00:51:43,085 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-24 00:51:43,277 INFO L234 CfgBuilder]: Building ICFG [2024-11-24 00:51:43,279 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-24 00:51:44,384 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-24 00:51:44,384 INFO L283 CfgBuilder]: Performing block encoding [2024-11-24 00:51:45,089 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-24 00:51:45,089 INFO L312 CfgBuilder]: Removed 6 assume(true) statements. [2024-11-24 00:51:45,089 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 12:51:45 BoogieIcfgContainer [2024-11-24 00:51:45,089 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-24 00:51:45,092 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-24 00:51:45,092 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-24 00:51:45,098 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-24 00:51:45,098 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 12:51:42" (1/3) ... [2024-11-24 00:51:45,098 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b768b10 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 12:51:45, skipping insertion in model container [2024-11-24 00:51:45,099 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:51:42" (2/3) ... [2024-11-24 00:51:45,099 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b768b10 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 12:51:45, skipping insertion in model container [2024-11-24 00:51:45,099 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 12:51:45" (3/3) ... [2024-11-24 00:51:45,100 INFO L128 eAbstractionObserver]: Analyzing ICFG popl20-bad-buffer-mult-alt.wvr.c [2024-11-24 00:51:45,117 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-24 00:51:45,119 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG popl20-bad-buffer-mult-alt.wvr.c that has 5 procedures, 421 locations, 1 initial locations, 6 loop locations, and 95 error locations. [2024-11-24 00:51:45,119 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-24 00:51:45,306 INFO L143 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2024-11-24 00:51:45,369 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 433 places, 443 transitions, 914 flow [2024-11-24 00:51:45,632 INFO L124 PetriNetUnfolderBase]: 23/439 cut-off events. [2024-11-24 00:51:45,636 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2024-11-24 00:51:45,651 INFO L83 FinitePrefix]: Finished finitePrefix Result has 456 conditions, 439 events. 23/439 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 621 event pairs, 0 based on Foata normal form. 0/321 useless extension candidates. Maximal degree in co-relation 390. Up to 2 conditions per place. [2024-11-24 00:51:45,652 INFO L82 GeneralOperation]: Start removeDead. Operand has 433 places, 443 transitions, 914 flow [2024-11-24 00:51:45,669 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 413 places, 422 transitions, 868 flow [2024-11-24 00:51:45,685 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-24 00:51:45,707 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@10caae0d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-24 00:51:45,708 INFO L334 AbstractCegarLoop]: Starting to check reachability of 169 error locations. [2024-11-24 00:51:45,718 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-24 00:51:45,718 INFO L124 PetriNetUnfolderBase]: 0/31 cut-off events. [2024-11-24 00:51:45,719 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-24 00:51:45,719 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-24 00:51:45,720 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:51:45,720 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 165 more)] === [2024-11-24 00:51:45,726 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:51:45,726 INFO L85 PathProgramCache]: Analyzing trace with hash -729483337, now seen corresponding path program 1 times [2024-11-24 00:51:45,735 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:51:45,735 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1965136800] [2024-11-24 00:51:45,736 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:51:45,736 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:51:45,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:51:45,984 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 00:51:45,985 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:51:45,985 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1965136800] [2024-11-24 00:51:45,986 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1965136800] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:51:45,986 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:51:45,986 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-24 00:51:45,988 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [276344246] [2024-11-24 00:51:45,989 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:51:45,996 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 00:51:46,001 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:51:46,031 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 00:51:46,031 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 00:51:46,089 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 328 out of 443 [2024-11-24 00:51:46,098 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 413 places, 422 transitions, 868 flow. Second operand has 3 states, 3 states have (on average 329.3333333333333) internal successors, (988), 3 states have internal predecessors, (988), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 00:51:46,098 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-24 00:51:46,098 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 328 of 443 [2024-11-24 00:51:46,101 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-24 00:51:47,055 INFO L124 PetriNetUnfolderBase]: 748/1716 cut-off events. [2024-11-24 00:51:47,055 INFO L125 PetriNetUnfolderBase]: For 214/214 co-relation queries the response was YES. [2024-11-24 00:51:47,061 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2919 conditions, 1716 events. 748/1716 cut-off events. For 214/214 co-relation queries the response was YES. Maximal size of possible extension queue 91. Compared 8815 event pairs, 485 based on Foata normal form. 265/1814 useless extension candidates. Maximal degree in co-relation 2496. Up to 1009 conditions per place. [2024-11-24 00:51:47,074 INFO L140 encePairwiseOnDemand]: 358/443 looper letters, 27 selfloop transitions, 2 changer transitions 6/339 dead transitions. [2024-11-24 00:51:47,074 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 344 places, 339 transitions, 760 flow [2024-11-24 00:51:47,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 00:51:47,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-24 00:51:47,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1096 transitions. [2024-11-24 00:51:47,097 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8246802106847254 [2024-11-24 00:51:47,099 INFO L175 Difference]: Start difference. First operand has 413 places, 422 transitions, 868 flow. Second operand 3 states and 1096 transitions. [2024-11-24 00:51:47,102 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 344 places, 339 transitions, 760 flow [2024-11-24 00:51:47,112 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 336 places, 339 transitions, 744 flow, removed 0 selfloop flow, removed 8 redundant places. [2024-11-24 00:51:47,121 INFO L231 Difference]: Finished difference. Result has 336 places, 333 transitions, 678 flow [2024-11-24 00:51:47,126 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=443, PETRI_DIFFERENCE_MINUEND_FLOW=686, PETRI_DIFFERENCE_MINUEND_PLACES=334, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=339, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=337, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=678, PETRI_PLACES=336, PETRI_TRANSITIONS=333} [2024-11-24 00:51:47,131 INFO L279 CegarLoopForPetriNet]: 413 programPoint places, -77 predicate places. [2024-11-24 00:51:47,132 INFO L471 AbstractCegarLoop]: Abstraction has has 336 places, 333 transitions, 678 flow [2024-11-24 00:51:47,132 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 329.3333333333333) internal successors, (988), 3 states have internal predecessors, (988), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 00:51:47,132 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-24 00:51:47,133 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:51:47,133 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-24 00:51:47,133 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 165 more)] === [2024-11-24 00:51:47,136 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:51:47,136 INFO L85 PathProgramCache]: Analyzing trace with hash -1775825838, now seen corresponding path program 1 times [2024-11-24 00:51:47,136 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:51:47,136 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [392150263] [2024-11-24 00:51:47,136 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:51:47,137 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:51:47,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:51:47,205 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 00:51:47,205 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:51:47,205 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [392150263] [2024-11-24 00:51:47,206 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [392150263] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:51:47,206 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:51:47,206 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-24 00:51:47,206 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2068459141] [2024-11-24 00:51:47,206 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:51:47,207 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 00:51:47,207 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:51:47,208 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 00:51:47,208 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 00:51:47,242 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 328 out of 443 [2024-11-24 00:51:47,243 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 336 places, 333 transitions, 678 flow. Second operand has 3 states, 3 states have (on average 329.3333333333333) internal successors, (988), 3 states have internal predecessors, (988), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 00:51:47,245 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-24 00:51:47,245 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 328 of 443 [2024-11-24 00:51:47,245 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-24 00:51:47,761 INFO L124 PetriNetUnfolderBase]: 748/1709 cut-off events. [2024-11-24 00:51:47,761 INFO L125 PetriNetUnfolderBase]: For 48/48 co-relation queries the response was YES. [2024-11-24 00:51:47,764 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2793 conditions, 1709 events. 748/1709 cut-off events. For 48/48 co-relation queries the response was YES. Maximal size of possible extension queue 91. Compared 8800 event pairs, 485 based on Foata normal form. 0/1549 useless extension candidates. Maximal degree in co-relation 2753. Up to 1009 conditions per place. [2024-11-24 00:51:47,773 INFO L140 encePairwiseOnDemand]: 440/443 looper letters, 27 selfloop transitions, 2 changer transitions 0/332 dead transitions. [2024-11-24 00:51:47,774 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 331 places, 332 transitions, 734 flow [2024-11-24 00:51:47,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 00:51:47,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-24 00:51:47,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1014 transitions. [2024-11-24 00:51:47,780 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7629796839729119 [2024-11-24 00:51:47,780 INFO L175 Difference]: Start difference. First operand has 336 places, 333 transitions, 678 flow. Second operand 3 states and 1014 transitions. [2024-11-24 00:51:47,781 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 331 places, 332 transitions, 734 flow [2024-11-24 00:51:47,786 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 329 places, 332 transitions, 730 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-24 00:51:47,793 INFO L231 Difference]: Finished difference. Result has 329 places, 332 transitions, 676 flow [2024-11-24 00:51:47,794 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=443, PETRI_DIFFERENCE_MINUEND_FLOW=672, PETRI_DIFFERENCE_MINUEND_PLACES=327, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=332, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=330, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=676, PETRI_PLACES=329, PETRI_TRANSITIONS=332} [2024-11-24 00:51:47,794 INFO L279 CegarLoopForPetriNet]: 413 programPoint places, -84 predicate places. [2024-11-24 00:51:47,794 INFO L471 AbstractCegarLoop]: Abstraction has has 329 places, 332 transitions, 676 flow [2024-11-24 00:51:47,796 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 329.3333333333333) internal successors, (988), 3 states have internal predecessors, (988), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 00:51:47,796 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-24 00:51:47,796 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:51:47,796 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-24 00:51:47,796 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 165 more)] === [2024-11-24 00:51:47,798 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:51:47,798 INFO L85 PathProgramCache]: Analyzing trace with hash -1513409674, now seen corresponding path program 1 times [2024-11-24 00:51:47,798 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:51:47,798 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [349234639] [2024-11-24 00:51:47,798 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:51:47,798 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:51:47,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:51:47,918 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 00:51:47,918 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:51:47,918 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [349234639] [2024-11-24 00:51:47,918 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [349234639] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:51:47,919 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:51:47,919 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-24 00:51:47,919 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1554822796] [2024-11-24 00:51:47,919 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:51:47,919 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 00:51:47,919 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:51:47,920 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 00:51:47,920 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 00:51:47,941 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 329 out of 443 [2024-11-24 00:51:47,943 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 329 places, 332 transitions, 676 flow. Second operand has 3 states, 3 states have (on average 330.3333333333333) internal successors, (991), 3 states have internal predecessors, (991), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 00:51:47,943 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-24 00:51:47,943 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 329 of 443 [2024-11-24 00:51:47,944 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-24 00:51:48,430 INFO L124 PetriNetUnfolderBase]: 748/1708 cut-off events. [2024-11-24 00:51:48,431 INFO L125 PetriNetUnfolderBase]: For 48/48 co-relation queries the response was YES. [2024-11-24 00:51:48,436 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2791 conditions, 1708 events. 748/1708 cut-off events. For 48/48 co-relation queries the response was YES. Maximal size of possible extension queue 91. Compared 8813 event pairs, 485 based on Foata normal form. 0/1549 useless extension candidates. Maximal degree in co-relation 2743. Up to 1008 conditions per place. [2024-11-24 00:51:48,445 INFO L140 encePairwiseOnDemand]: 440/443 looper letters, 26 selfloop transitions, 2 changer transitions 0/331 dead transitions. [2024-11-24 00:51:48,446 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 330 places, 331 transitions, 730 flow [2024-11-24 00:51:48,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 00:51:48,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-24 00:51:48,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1016 transitions. [2024-11-24 00:51:48,449 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.764484574868322 [2024-11-24 00:51:48,449 INFO L175 Difference]: Start difference. First operand has 329 places, 332 transitions, 676 flow. Second operand 3 states and 1016 transitions. [2024-11-24 00:51:48,449 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 330 places, 331 transitions, 730 flow [2024-11-24 00:51:48,452 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 328 places, 331 transitions, 726 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-24 00:51:48,456 INFO L231 Difference]: Finished difference. Result has 328 places, 331 transitions, 674 flow [2024-11-24 00:51:48,456 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=443, PETRI_DIFFERENCE_MINUEND_FLOW=670, PETRI_DIFFERENCE_MINUEND_PLACES=326, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=331, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=329, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=674, PETRI_PLACES=328, PETRI_TRANSITIONS=331} [2024-11-24 00:51:48,458 INFO L279 CegarLoopForPetriNet]: 413 programPoint places, -85 predicate places. [2024-11-24 00:51:48,458 INFO L471 AbstractCegarLoop]: Abstraction has has 328 places, 331 transitions, 674 flow [2024-11-24 00:51:48,459 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 330.3333333333333) internal successors, (991), 3 states have internal predecessors, (991), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 00:51:48,459 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-24 00:51:48,459 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:51:48,459 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-24 00:51:48,459 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 165 more)] === [2024-11-24 00:51:48,460 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:51:48,460 INFO L85 PathProgramCache]: Analyzing trace with hash 2001172473, now seen corresponding path program 1 times [2024-11-24 00:51:48,461 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:51:48,461 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1755759824] [2024-11-24 00:51:48,461 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:51:48,461 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:51:48,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:51:48,543 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 00:51:48,543 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:51:48,543 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1755759824] [2024-11-24 00:51:48,544 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1755759824] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:51:48,544 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:51:48,544 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-24 00:51:48,544 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [404331547] [2024-11-24 00:51:48,544 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:51:48,544 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 00:51:48,545 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:51:48,545 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 00:51:48,545 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 00:51:48,565 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 329 out of 443 [2024-11-24 00:51:48,566 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 328 places, 331 transitions, 674 flow. Second operand has 3 states, 3 states have (on average 330.3333333333333) internal successors, (991), 3 states have internal predecessors, (991), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 00:51:48,566 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-24 00:51:48,567 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 329 of 443 [2024-11-24 00:51:48,567 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-24 00:51:48,979 INFO L124 PetriNetUnfolderBase]: 748/1707 cut-off events. [2024-11-24 00:51:48,979 INFO L125 PetriNetUnfolderBase]: For 48/48 co-relation queries the response was YES. [2024-11-24 00:51:48,982 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2790 conditions, 1707 events. 748/1707 cut-off events. For 48/48 co-relation queries the response was YES. Maximal size of possible extension queue 91. Compared 8808 event pairs, 485 based on Foata normal form. 0/1549 useless extension candidates. Maximal degree in co-relation 2734. Up to 1008 conditions per place. [2024-11-24 00:51:48,990 INFO L140 encePairwiseOnDemand]: 440/443 looper letters, 26 selfloop transitions, 2 changer transitions 0/330 dead transitions. [2024-11-24 00:51:48,991 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 329 places, 330 transitions, 728 flow [2024-11-24 00:51:48,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 00:51:48,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-24 00:51:48,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1016 transitions. [2024-11-24 00:51:48,994 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.764484574868322 [2024-11-24 00:51:48,994 INFO L175 Difference]: Start difference. First operand has 328 places, 331 transitions, 674 flow. Second operand 3 states and 1016 transitions. [2024-11-24 00:51:48,995 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 329 places, 330 transitions, 728 flow [2024-11-24 00:51:48,997 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 327 places, 330 transitions, 724 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-24 00:51:49,001 INFO L231 Difference]: Finished difference. Result has 327 places, 330 transitions, 672 flow [2024-11-24 00:51:49,003 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=443, PETRI_DIFFERENCE_MINUEND_FLOW=668, PETRI_DIFFERENCE_MINUEND_PLACES=325, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=330, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=328, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=672, PETRI_PLACES=327, PETRI_TRANSITIONS=330} [2024-11-24 00:51:49,004 INFO L279 CegarLoopForPetriNet]: 413 programPoint places, -86 predicate places. [2024-11-24 00:51:49,005 INFO L471 AbstractCegarLoop]: Abstraction has has 327 places, 330 transitions, 672 flow [2024-11-24 00:51:49,006 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 330.3333333333333) internal successors, (991), 3 states have internal predecessors, (991), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 00:51:49,006 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-24 00:51:49,006 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:51:49,007 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-24 00:51:49,007 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 165 more)] === [2024-11-24 00:51:49,008 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:51:49,009 INFO L85 PathProgramCache]: Analyzing trace with hash -2009211608, now seen corresponding path program 1 times [2024-11-24 00:51:49,009 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:51:49,009 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1736125487] [2024-11-24 00:51:49,009 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:51:49,010 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:51:49,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:51:49,065 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 00:51:49,065 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:51:49,065 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1736125487] [2024-11-24 00:51:49,066 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1736125487] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:51:49,066 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:51:49,066 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-24 00:51:49,066 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1694776169] [2024-11-24 00:51:49,066 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:51:49,066 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 00:51:49,067 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:51:49,067 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 00:51:49,067 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 00:51:49,093 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 329 out of 443 [2024-11-24 00:51:49,095 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 327 places, 330 transitions, 672 flow. Second operand has 3 states, 3 states have (on average 330.3333333333333) internal successors, (991), 3 states have internal predecessors, (991), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 00:51:49,095 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-24 00:51:49,095 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 329 of 443 [2024-11-24 00:51:49,095 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-24 00:51:49,570 INFO L124 PetriNetUnfolderBase]: 748/1706 cut-off events. [2024-11-24 00:51:49,571 INFO L125 PetriNetUnfolderBase]: For 48/48 co-relation queries the response was YES. [2024-11-24 00:51:49,575 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2789 conditions, 1706 events. 748/1706 cut-off events. For 48/48 co-relation queries the response was YES. Maximal size of possible extension queue 91. Compared 8811 event pairs, 485 based on Foata normal form. 0/1549 useless extension candidates. Maximal degree in co-relation 2725. Up to 1008 conditions per place. [2024-11-24 00:51:49,584 INFO L140 encePairwiseOnDemand]: 440/443 looper letters, 26 selfloop transitions, 2 changer transitions 0/329 dead transitions. [2024-11-24 00:51:49,584 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 328 places, 329 transitions, 726 flow [2024-11-24 00:51:49,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 00:51:49,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-24 00:51:49,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1016 transitions. [2024-11-24 00:51:49,587 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.764484574868322 [2024-11-24 00:51:49,588 INFO L175 Difference]: Start difference. First operand has 327 places, 330 transitions, 672 flow. Second operand 3 states and 1016 transitions. [2024-11-24 00:51:49,588 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 328 places, 329 transitions, 726 flow [2024-11-24 00:51:49,590 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 326 places, 329 transitions, 722 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-24 00:51:49,595 INFO L231 Difference]: Finished difference. Result has 326 places, 329 transitions, 670 flow [2024-11-24 00:51:49,595 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=443, PETRI_DIFFERENCE_MINUEND_FLOW=666, PETRI_DIFFERENCE_MINUEND_PLACES=324, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=329, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=327, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=670, PETRI_PLACES=326, PETRI_TRANSITIONS=329} [2024-11-24 00:51:49,597 INFO L279 CegarLoopForPetriNet]: 413 programPoint places, -87 predicate places. [2024-11-24 00:51:49,597 INFO L471 AbstractCegarLoop]: Abstraction has has 326 places, 329 transitions, 670 flow [2024-11-24 00:51:49,598 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 330.3333333333333) internal successors, (991), 3 states have internal predecessors, (991), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 00:51:49,598 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-24 00:51:49,599 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:51:49,599 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-24 00:51:49,599 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 165 more)] === [2024-11-24 00:51:49,600 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:51:49,600 INFO L85 PathProgramCache]: Analyzing trace with hash 367129270, now seen corresponding path program 1 times [2024-11-24 00:51:49,600 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:51:49,600 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [716200895] [2024-11-24 00:51:49,600 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:51:49,600 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:51:49,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:51:49,703 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 00:51:49,704 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:51:49,704 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [716200895] [2024-11-24 00:51:49,704 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [716200895] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:51:49,704 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:51:49,704 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-24 00:51:49,704 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [693092836] [2024-11-24 00:51:49,704 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:51:49,705 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 00:51:49,705 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:51:49,705 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 00:51:49,705 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 00:51:49,725 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 329 out of 443 [2024-11-24 00:51:49,727 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 326 places, 329 transitions, 670 flow. Second operand has 3 states, 3 states have (on average 330.3333333333333) internal successors, (991), 3 states have internal predecessors, (991), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 00:51:49,727 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-24 00:51:49,727 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 329 of 443 [2024-11-24 00:51:49,728 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-24 00:51:50,251 INFO L124 PetriNetUnfolderBase]: 748/1705 cut-off events. [2024-11-24 00:51:50,252 INFO L125 PetriNetUnfolderBase]: For 48/48 co-relation queries the response was YES. [2024-11-24 00:51:50,254 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2788 conditions, 1705 events. 748/1705 cut-off events. For 48/48 co-relation queries the response was YES. Maximal size of possible extension queue 91. Compared 8831 event pairs, 485 based on Foata normal form. 0/1549 useless extension candidates. Maximal degree in co-relation 2716. Up to 1008 conditions per place. [2024-11-24 00:51:50,262 INFO L140 encePairwiseOnDemand]: 440/443 looper letters, 26 selfloop transitions, 2 changer transitions 0/328 dead transitions. [2024-11-24 00:51:50,262 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 327 places, 328 transitions, 724 flow [2024-11-24 00:51:50,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 00:51:50,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-24 00:51:50,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1016 transitions. [2024-11-24 00:51:50,266 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.764484574868322 [2024-11-24 00:51:50,266 INFO L175 Difference]: Start difference. First operand has 326 places, 329 transitions, 670 flow. Second operand 3 states and 1016 transitions. [2024-11-24 00:51:50,266 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 327 places, 328 transitions, 724 flow [2024-11-24 00:51:50,270 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 325 places, 328 transitions, 720 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-24 00:51:50,273 INFO L231 Difference]: Finished difference. Result has 325 places, 328 transitions, 668 flow [2024-11-24 00:51:50,274 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=443, PETRI_DIFFERENCE_MINUEND_FLOW=664, PETRI_DIFFERENCE_MINUEND_PLACES=323, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=328, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=326, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=668, PETRI_PLACES=325, PETRI_TRANSITIONS=328} [2024-11-24 00:51:50,277 INFO L279 CegarLoopForPetriNet]: 413 programPoint places, -88 predicate places. [2024-11-24 00:51:50,277 INFO L471 AbstractCegarLoop]: Abstraction has has 325 places, 328 transitions, 668 flow [2024-11-24 00:51:50,277 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 330.3333333333333) internal successors, (991), 3 states have internal predecessors, (991), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 00:51:50,277 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-24 00:51:50,278 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:51:50,278 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-24 00:51:50,278 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 165 more)] === [2024-11-24 00:51:50,279 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:51:50,279 INFO L85 PathProgramCache]: Analyzing trace with hash 476561308, now seen corresponding path program 1 times [2024-11-24 00:51:50,279 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:51:50,279 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [507138757] [2024-11-24 00:51:50,279 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:51:50,279 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:51:50,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:51:50,368 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 00:51:50,369 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:51:50,369 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [507138757] [2024-11-24 00:51:50,369 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [507138757] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:51:50,369 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:51:50,369 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-24 00:51:50,369 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1811778629] [2024-11-24 00:51:50,369 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:51:50,369 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 00:51:50,370 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:51:50,370 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 00:51:50,370 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 00:51:50,395 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 329 out of 443 [2024-11-24 00:51:50,397 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 325 places, 328 transitions, 668 flow. Second operand has 3 states, 3 states have (on average 330.3333333333333) internal successors, (991), 3 states have internal predecessors, (991), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 00:51:50,397 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-24 00:51:50,397 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 329 of 443 [2024-11-24 00:51:50,397 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-24 00:51:50,792 INFO L124 PetriNetUnfolderBase]: 748/1704 cut-off events. [2024-11-24 00:51:50,792 INFO L125 PetriNetUnfolderBase]: For 48/48 co-relation queries the response was YES. [2024-11-24 00:51:50,795 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2787 conditions, 1704 events. 748/1704 cut-off events. For 48/48 co-relation queries the response was YES. Maximal size of possible extension queue 91. Compared 8798 event pairs, 485 based on Foata normal form. 0/1549 useless extension candidates. Maximal degree in co-relation 2707. Up to 1008 conditions per place. [2024-11-24 00:51:50,803 INFO L140 encePairwiseOnDemand]: 440/443 looper letters, 26 selfloop transitions, 2 changer transitions 0/327 dead transitions. [2024-11-24 00:51:50,803 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 326 places, 327 transitions, 722 flow [2024-11-24 00:51:50,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 00:51:50,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-24 00:51:50,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1016 transitions. [2024-11-24 00:51:50,807 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.764484574868322 [2024-11-24 00:51:50,807 INFO L175 Difference]: Start difference. First operand has 325 places, 328 transitions, 668 flow. Second operand 3 states and 1016 transitions. [2024-11-24 00:51:50,807 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 326 places, 327 transitions, 722 flow [2024-11-24 00:51:50,809 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 324 places, 327 transitions, 718 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-24 00:51:50,816 INFO L231 Difference]: Finished difference. Result has 324 places, 327 transitions, 666 flow [2024-11-24 00:51:50,819 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=443, PETRI_DIFFERENCE_MINUEND_FLOW=662, PETRI_DIFFERENCE_MINUEND_PLACES=322, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=327, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=325, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=666, PETRI_PLACES=324, PETRI_TRANSITIONS=327} [2024-11-24 00:51:50,819 INFO L279 CegarLoopForPetriNet]: 413 programPoint places, -89 predicate places. [2024-11-24 00:51:50,820 INFO L471 AbstractCegarLoop]: Abstraction has has 324 places, 327 transitions, 666 flow [2024-11-24 00:51:50,820 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 330.3333333333333) internal successors, (991), 3 states have internal predecessors, (991), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 00:51:50,821 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-24 00:51:50,822 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:51:50,822 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-24 00:51:50,822 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 165 more)] === [2024-11-24 00:51:50,823 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:51:50,823 INFO L85 PathProgramCache]: Analyzing trace with hash -516002976, now seen corresponding path program 1 times [2024-11-24 00:51:50,823 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:51:50,823 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [754983608] [2024-11-24 00:51:50,823 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:51:50,824 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:51:50,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:51:50,880 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 00:51:50,880 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:51:50,880 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [754983608] [2024-11-24 00:51:50,881 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [754983608] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:51:50,881 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:51:50,881 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-24 00:51:50,881 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1315719666] [2024-11-24 00:51:50,881 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:51:50,881 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 00:51:50,882 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:51:50,882 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 00:51:50,882 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 00:51:50,913 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 329 out of 443 [2024-11-24 00:51:50,914 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 324 places, 327 transitions, 666 flow. Second operand has 3 states, 3 states have (on average 330.3333333333333) internal successors, (991), 3 states have internal predecessors, (991), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 00:51:50,915 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-24 00:51:50,915 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 329 of 443 [2024-11-24 00:51:50,915 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-24 00:51:51,299 INFO L124 PetriNetUnfolderBase]: 748/1703 cut-off events. [2024-11-24 00:51:51,300 INFO L125 PetriNetUnfolderBase]: For 48/48 co-relation queries the response was YES. [2024-11-24 00:51:51,303 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2786 conditions, 1703 events. 748/1703 cut-off events. For 48/48 co-relation queries the response was YES. Maximal size of possible extension queue 91. Compared 8814 event pairs, 485 based on Foata normal form. 0/1549 useless extension candidates. Maximal degree in co-relation 2698. Up to 1008 conditions per place. [2024-11-24 00:51:51,310 INFO L140 encePairwiseOnDemand]: 440/443 looper letters, 26 selfloop transitions, 2 changer transitions 0/326 dead transitions. [2024-11-24 00:51:51,310 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 325 places, 326 transitions, 720 flow [2024-11-24 00:51:51,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 00:51:51,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-24 00:51:51,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1016 transitions. [2024-11-24 00:51:51,314 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.764484574868322 [2024-11-24 00:51:51,314 INFO L175 Difference]: Start difference. First operand has 324 places, 327 transitions, 666 flow. Second operand 3 states and 1016 transitions. [2024-11-24 00:51:51,314 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 325 places, 326 transitions, 720 flow [2024-11-24 00:51:51,321 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 323 places, 326 transitions, 716 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-24 00:51:51,326 INFO L231 Difference]: Finished difference. Result has 323 places, 326 transitions, 664 flow [2024-11-24 00:51:51,327 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=443, PETRI_DIFFERENCE_MINUEND_FLOW=660, PETRI_DIFFERENCE_MINUEND_PLACES=321, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=326, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=324, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=664, PETRI_PLACES=323, PETRI_TRANSITIONS=326} [2024-11-24 00:51:51,328 INFO L279 CegarLoopForPetriNet]: 413 programPoint places, -90 predicate places. [2024-11-24 00:51:51,329 INFO L471 AbstractCegarLoop]: Abstraction has has 323 places, 326 transitions, 664 flow [2024-11-24 00:51:51,330 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 330.3333333333333) internal successors, (991), 3 states have internal predecessors, (991), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 00:51:51,330 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-24 00:51:51,330 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:51:51,331 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-24 00:51:51,331 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 165 more)] === [2024-11-24 00:51:51,331 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:51:51,335 INFO L85 PathProgramCache]: Analyzing trace with hash 136759810, now seen corresponding path program 1 times [2024-11-24 00:51:51,335 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:51:51,335 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [709483458] [2024-11-24 00:51:51,335 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:51:51,335 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:51:51,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:51:51,406 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 00:51:51,406 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:51:51,407 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [709483458] [2024-11-24 00:51:51,407 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [709483458] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:51:51,407 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:51:51,407 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-24 00:51:51,407 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1504917543] [2024-11-24 00:51:51,407 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:51:51,408 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 00:51:51,408 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:51:51,408 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 00:51:51,408 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 00:51:51,426 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 329 out of 443 [2024-11-24 00:51:51,428 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 323 places, 326 transitions, 664 flow. Second operand has 3 states, 3 states have (on average 330.3333333333333) internal successors, (991), 3 states have internal predecessors, (991), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 00:51:51,428 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-24 00:51:51,428 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 329 of 443 [2024-11-24 00:51:51,428 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-24 00:51:51,810 INFO L124 PetriNetUnfolderBase]: 748/1702 cut-off events. [2024-11-24 00:51:51,810 INFO L125 PetriNetUnfolderBase]: For 48/48 co-relation queries the response was YES. [2024-11-24 00:51:51,813 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2785 conditions, 1702 events. 748/1702 cut-off events. For 48/48 co-relation queries the response was YES. Maximal size of possible extension queue 91. Compared 8846 event pairs, 485 based on Foata normal form. 0/1549 useless extension candidates. Maximal degree in co-relation 2689. Up to 1008 conditions per place. [2024-11-24 00:51:51,819 INFO L140 encePairwiseOnDemand]: 440/443 looper letters, 26 selfloop transitions, 2 changer transitions 0/325 dead transitions. [2024-11-24 00:51:51,819 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 324 places, 325 transitions, 718 flow [2024-11-24 00:51:51,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 00:51:51,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-24 00:51:51,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1016 transitions. [2024-11-24 00:51:51,822 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.764484574868322 [2024-11-24 00:51:51,822 INFO L175 Difference]: Start difference. First operand has 323 places, 326 transitions, 664 flow. Second operand 3 states and 1016 transitions. [2024-11-24 00:51:51,822 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 324 places, 325 transitions, 718 flow [2024-11-24 00:51:51,824 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 322 places, 325 transitions, 714 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-24 00:51:51,827 INFO L231 Difference]: Finished difference. Result has 322 places, 325 transitions, 662 flow [2024-11-24 00:51:51,828 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=443, PETRI_DIFFERENCE_MINUEND_FLOW=658, PETRI_DIFFERENCE_MINUEND_PLACES=320, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=325, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=323, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=662, PETRI_PLACES=322, PETRI_TRANSITIONS=325} [2024-11-24 00:51:51,828 INFO L279 CegarLoopForPetriNet]: 413 programPoint places, -91 predicate places. [2024-11-24 00:51:51,829 INFO L471 AbstractCegarLoop]: Abstraction has has 322 places, 325 transitions, 662 flow [2024-11-24 00:51:51,829 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 330.3333333333333) internal successors, (991), 3 states have internal predecessors, (991), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 00:51:51,829 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-24 00:51:51,830 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:51:51,830 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-24 00:51:51,830 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 165 more)] === [2024-11-24 00:51:51,830 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:51:51,831 INFO L85 PathProgramCache]: Analyzing trace with hash -1485495605, now seen corresponding path program 1 times [2024-11-24 00:51:51,831 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:51:51,831 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1585481780] [2024-11-24 00:51:51,831 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:51:51,831 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:51:51,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:51:51,890 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 00:51:51,890 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:51:51,890 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1585481780] [2024-11-24 00:51:51,890 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1585481780] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:51:51,890 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:51:51,890 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-24 00:51:51,890 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [176416326] [2024-11-24 00:51:51,890 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:51:51,891 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 00:51:51,891 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:51:51,891 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 00:51:51,891 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 00:51:51,909 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 333 out of 443 [2024-11-24 00:51:51,911 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 322 places, 325 transitions, 662 flow. Second operand has 3 states, 3 states have (on average 334.0) internal successors, (1002), 3 states have internal predecessors, (1002), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 00:51:51,911 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-24 00:51:51,911 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 333 of 443 [2024-11-24 00:51:51,911 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-24 00:51:52,276 INFO L124 PetriNetUnfolderBase]: 748/1701 cut-off events. [2024-11-24 00:51:52,277 INFO L125 PetriNetUnfolderBase]: For 48/48 co-relation queries the response was YES. [2024-11-24 00:51:52,280 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2781 conditions, 1701 events. 748/1701 cut-off events. For 48/48 co-relation queries the response was YES. Maximal size of possible extension queue 91. Compared 8783 event pairs, 485 based on Foata normal form. 0/1549 useless extension candidates. Maximal degree in co-relation 2677. Up to 1005 conditions per place. [2024-11-24 00:51:52,286 INFO L140 encePairwiseOnDemand]: 441/443 looper letters, 24 selfloop transitions, 1 changer transitions 0/324 dead transitions. [2024-11-24 00:51:52,286 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 323 places, 324 transitions, 710 flow [2024-11-24 00:51:52,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 00:51:52,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-24 00:51:52,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1025 transitions. [2024-11-24 00:51:52,289 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7712565838976674 [2024-11-24 00:51:52,289 INFO L175 Difference]: Start difference. First operand has 322 places, 325 transitions, 662 flow. Second operand 3 states and 1025 transitions. [2024-11-24 00:51:52,289 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 323 places, 324 transitions, 710 flow [2024-11-24 00:51:52,292 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 321 places, 324 transitions, 706 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-24 00:51:52,295 INFO L231 Difference]: Finished difference. Result has 321 places, 324 transitions, 658 flow [2024-11-24 00:51:52,296 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=443, PETRI_DIFFERENCE_MINUEND_FLOW=656, PETRI_DIFFERENCE_MINUEND_PLACES=319, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=324, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=323, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=658, PETRI_PLACES=321, PETRI_TRANSITIONS=324} [2024-11-24 00:51:52,296 INFO L279 CegarLoopForPetriNet]: 413 programPoint places, -92 predicate places. [2024-11-24 00:51:52,296 INFO L471 AbstractCegarLoop]: Abstraction has has 321 places, 324 transitions, 658 flow [2024-11-24 00:51:52,297 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 334.0) internal successors, (1002), 3 states have internal predecessors, (1002), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 00:51:52,297 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-24 00:51:52,297 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:51:52,297 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-24 00:51:52,298 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 165 more)] === [2024-11-24 00:51:52,298 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:51:52,298 INFO L85 PathProgramCache]: Analyzing trace with hash -335358981, now seen corresponding path program 1 times [2024-11-24 00:51:52,298 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:51:52,298 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1790619916] [2024-11-24 00:51:52,299 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:51:52,299 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:51:52,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:51:53,193 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 00:51:53,193 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:51:53,194 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1790619916] [2024-11-24 00:51:53,194 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1790619916] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:51:53,194 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:51:53,194 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-24 00:51:53,194 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [196556288] [2024-11-24 00:51:53,194 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:51:53,195 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-24 00:51:53,195 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:51:53,196 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-24 00:51:53,197 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-24 00:51:53,410 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 309 out of 443 [2024-11-24 00:51:53,412 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 321 places, 324 transitions, 658 flow. Second operand has 6 states, 6 states have (on average 310.5) internal successors, (1863), 6 states have internal predecessors, (1863), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 00:51:53,412 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-24 00:51:53,413 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 309 of 443 [2024-11-24 00:51:53,413 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-24 00:51:53,827 INFO L124 PetriNetUnfolderBase]: 748/1699 cut-off events. [2024-11-24 00:51:53,827 INFO L125 PetriNetUnfolderBase]: For 48/48 co-relation queries the response was YES. [2024-11-24 00:51:53,830 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2801 conditions, 1699 events. 748/1699 cut-off events. For 48/48 co-relation queries the response was YES. Maximal size of possible extension queue 91. Compared 8803 event pairs, 485 based on Foata normal form. 0/1549 useless extension candidates. Maximal degree in co-relation 2698. Up to 1020 conditions per place. [2024-11-24 00:51:53,836 INFO L140 encePairwiseOnDemand]: 431/443 looper letters, 38 selfloop transitions, 10 changer transitions 0/322 dead transitions. [2024-11-24 00:51:53,836 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 324 places, 322 transitions, 750 flow [2024-11-24 00:51:53,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-24 00:51:53,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-24 00:51:53,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1904 transitions. [2024-11-24 00:51:53,842 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7163280662151994 [2024-11-24 00:51:53,842 INFO L175 Difference]: Start difference. First operand has 321 places, 324 transitions, 658 flow. Second operand 6 states and 1904 transitions. [2024-11-24 00:51:53,842 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 324 places, 322 transitions, 750 flow [2024-11-24 00:51:53,844 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 323 places, 322 transitions, 749 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-24 00:51:53,848 INFO L231 Difference]: Finished difference. Result has 323 places, 322 transitions, 673 flow [2024-11-24 00:51:53,848 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=443, PETRI_DIFFERENCE_MINUEND_FLOW=653, PETRI_DIFFERENCE_MINUEND_PLACES=318, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=322, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=312, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=673, PETRI_PLACES=323, PETRI_TRANSITIONS=322} [2024-11-24 00:51:53,849 INFO L279 CegarLoopForPetriNet]: 413 programPoint places, -90 predicate places. [2024-11-24 00:51:53,849 INFO L471 AbstractCegarLoop]: Abstraction has has 323 places, 322 transitions, 673 flow [2024-11-24 00:51:53,850 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 310.5) internal successors, (1863), 6 states have internal predecessors, (1863), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 00:51:53,850 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-24 00:51:53,851 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:51:53,851 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-24 00:51:53,851 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 165 more)] === [2024-11-24 00:51:53,851 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:51:53,852 INFO L85 PathProgramCache]: Analyzing trace with hash -430508856, now seen corresponding path program 1 times [2024-11-24 00:51:53,852 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:51:53,852 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1302586168] [2024-11-24 00:51:53,852 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:51:53,852 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:51:53,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:51:53,925 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 00:51:53,925 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:51:53,925 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1302586168] [2024-11-24 00:51:53,925 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1302586168] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:51:53,925 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:51:53,925 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-24 00:51:53,925 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2026822386] [2024-11-24 00:51:53,925 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:51:53,926 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 00:51:53,926 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:51:53,926 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 00:51:53,926 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 00:51:53,939 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 330 out of 443 [2024-11-24 00:51:53,940 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 323 places, 322 transitions, 673 flow. Second operand has 3 states, 3 states have (on average 331.3333333333333) internal successors, (994), 3 states have internal predecessors, (994), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 00:51:53,941 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-24 00:51:53,941 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 330 of 443 [2024-11-24 00:51:53,941 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-24 00:51:54,403 INFO L124 PetriNetUnfolderBase]: 748/1698 cut-off events. [2024-11-24 00:51:54,404 INFO L125 PetriNetUnfolderBase]: For 48/48 co-relation queries the response was YES. [2024-11-24 00:51:54,407 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2789 conditions, 1698 events. 748/1698 cut-off events. For 48/48 co-relation queries the response was YES. Maximal size of possible extension queue 91. Compared 8804 event pairs, 485 based on Foata normal form. 0/1549 useless extension candidates. Maximal degree in co-relation 2756. Up to 1007 conditions per place. [2024-11-24 00:51:54,414 INFO L140 encePairwiseOnDemand]: 440/443 looper letters, 25 selfloop transitions, 2 changer transitions 0/321 dead transitions. [2024-11-24 00:51:54,414 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 324 places, 321 transitions, 725 flow [2024-11-24 00:51:54,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 00:51:54,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-24 00:51:54,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1018 transitions. [2024-11-24 00:51:54,418 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7659894657637322 [2024-11-24 00:51:54,418 INFO L175 Difference]: Start difference. First operand has 323 places, 322 transitions, 673 flow. Second operand 3 states and 1018 transitions. [2024-11-24 00:51:54,418 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 324 places, 321 transitions, 725 flow [2024-11-24 00:51:54,421 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 319 places, 321 transitions, 705 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-24 00:51:54,426 INFO L231 Difference]: Finished difference. Result has 319 places, 321 transitions, 655 flow [2024-11-24 00:51:54,426 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=443, PETRI_DIFFERENCE_MINUEND_FLOW=651, PETRI_DIFFERENCE_MINUEND_PLACES=317, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=321, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=319, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=655, PETRI_PLACES=319, PETRI_TRANSITIONS=321} [2024-11-24 00:51:54,427 INFO L279 CegarLoopForPetriNet]: 413 programPoint places, -94 predicate places. [2024-11-24 00:51:54,427 INFO L471 AbstractCegarLoop]: Abstraction has has 319 places, 321 transitions, 655 flow [2024-11-24 00:51:54,428 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 331.3333333333333) internal successors, (994), 3 states have internal predecessors, (994), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 00:51:54,428 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-24 00:51:54,428 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:51:54,428 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-24 00:51:54,429 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 165 more)] === [2024-11-24 00:51:54,429 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:51:54,429 INFO L85 PathProgramCache]: Analyzing trace with hash 1215626677, now seen corresponding path program 1 times [2024-11-24 00:51:54,429 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:51:54,430 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1473275232] [2024-11-24 00:51:54,430 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:51:54,430 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:51:54,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:51:54,490 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 00:51:54,491 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:51:54,491 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1473275232] [2024-11-24 00:51:54,491 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1473275232] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:51:54,491 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:51:54,491 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-24 00:51:54,491 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1984726639] [2024-11-24 00:51:54,491 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:51:54,492 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 00:51:54,492 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:51:54,492 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 00:51:54,492 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 00:51:54,500 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 333 out of 443 [2024-11-24 00:51:54,502 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 319 places, 321 transitions, 655 flow. Second operand has 3 states, 3 states have (on average 334.0) internal successors, (1002), 3 states have internal predecessors, (1002), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 00:51:54,502 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-24 00:51:54,502 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 333 of 443 [2024-11-24 00:51:54,502 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-24 00:51:54,857 INFO L124 PetriNetUnfolderBase]: 748/1697 cut-off events. [2024-11-24 00:51:54,857 INFO L125 PetriNetUnfolderBase]: For 48/48 co-relation queries the response was YES. [2024-11-24 00:51:54,861 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2778 conditions, 1697 events. 748/1697 cut-off events. For 48/48 co-relation queries the response was YES. Maximal size of possible extension queue 91. Compared 8743 event pairs, 485 based on Foata normal form. 0/1549 useless extension candidates. Maximal degree in co-relation 2674. Up to 1005 conditions per place. [2024-11-24 00:51:54,867 INFO L140 encePairwiseOnDemand]: 441/443 looper letters, 24 selfloop transitions, 1 changer transitions 0/320 dead transitions. [2024-11-24 00:51:54,867 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 320 places, 320 transitions, 703 flow [2024-11-24 00:51:54,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 00:51:54,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-24 00:51:54,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1025 transitions. [2024-11-24 00:51:54,870 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7712565838976674 [2024-11-24 00:51:54,870 INFO L175 Difference]: Start difference. First operand has 319 places, 321 transitions, 655 flow. Second operand 3 states and 1025 transitions. [2024-11-24 00:51:54,870 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 320 places, 320 transitions, 703 flow [2024-11-24 00:51:54,872 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 318 places, 320 transitions, 699 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-24 00:51:54,875 INFO L231 Difference]: Finished difference. Result has 318 places, 320 transitions, 651 flow [2024-11-24 00:51:54,876 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=443, PETRI_DIFFERENCE_MINUEND_FLOW=649, PETRI_DIFFERENCE_MINUEND_PLACES=316, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=320, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=319, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=651, PETRI_PLACES=318, PETRI_TRANSITIONS=320} [2024-11-24 00:51:54,877 INFO L279 CegarLoopForPetriNet]: 413 programPoint places, -95 predicate places. [2024-11-24 00:51:54,877 INFO L471 AbstractCegarLoop]: Abstraction has has 318 places, 320 transitions, 651 flow [2024-11-24 00:51:54,877 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 334.0) internal successors, (1002), 3 states have internal predecessors, (1002), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 00:51:54,878 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-24 00:51:54,878 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:51:54,878 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-24 00:51:54,878 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 165 more)] === [2024-11-24 00:51:54,879 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:51:54,879 INFO L85 PathProgramCache]: Analyzing trace with hash 1470374787, now seen corresponding path program 1 times [2024-11-24 00:51:54,879 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:51:54,879 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [531115546] [2024-11-24 00:51:54,879 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:51:54,879 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:51:54,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:51:54,948 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 00:51:54,948 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:51:54,948 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [531115546] [2024-11-24 00:51:54,948 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [531115546] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:51:54,948 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:51:54,948 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-24 00:51:54,948 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [659162669] [2024-11-24 00:51:54,948 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:51:54,949 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 00:51:54,949 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:51:54,949 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 00:51:54,950 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 00:51:54,961 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 330 out of 443 [2024-11-24 00:51:54,962 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 318 places, 320 transitions, 651 flow. Second operand has 3 states, 3 states have (on average 331.3333333333333) internal successors, (994), 3 states have internal predecessors, (994), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 00:51:54,962 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-24 00:51:54,962 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 330 of 443 [2024-11-24 00:51:54,963 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-24 00:51:55,356 INFO L124 PetriNetUnfolderBase]: 748/1696 cut-off events. [2024-11-24 00:51:55,356 INFO L125 PetriNetUnfolderBase]: For 48/48 co-relation queries the response was YES. [2024-11-24 00:51:55,359 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2778 conditions, 1696 events. 748/1696 cut-off events. For 48/48 co-relation queries the response was YES. Maximal size of possible extension queue 91. Compared 8742 event pairs, 485 based on Foata normal form. 0/1549 useless extension candidates. Maximal degree in co-relation 2674. Up to 1007 conditions per place. [2024-11-24 00:51:55,367 INFO L140 encePairwiseOnDemand]: 440/443 looper letters, 25 selfloop transitions, 2 changer transitions 0/319 dead transitions. [2024-11-24 00:51:55,367 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 319 places, 319 transitions, 703 flow [2024-11-24 00:51:55,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 00:51:55,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-24 00:51:55,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1018 transitions. [2024-11-24 00:51:55,371 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7659894657637322 [2024-11-24 00:51:55,371 INFO L175 Difference]: Start difference. First operand has 318 places, 320 transitions, 651 flow. Second operand 3 states and 1018 transitions. [2024-11-24 00:51:55,371 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 319 places, 319 transitions, 703 flow [2024-11-24 00:51:55,373 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 318 places, 319 transitions, 702 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-24 00:51:55,376 INFO L231 Difference]: Finished difference. Result has 318 places, 319 transitions, 652 flow [2024-11-24 00:51:55,376 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=443, PETRI_DIFFERENCE_MINUEND_FLOW=648, PETRI_DIFFERENCE_MINUEND_PLACES=316, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=319, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=317, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=652, PETRI_PLACES=318, PETRI_TRANSITIONS=319} [2024-11-24 00:51:55,377 INFO L279 CegarLoopForPetriNet]: 413 programPoint places, -95 predicate places. [2024-11-24 00:51:55,377 INFO L471 AbstractCegarLoop]: Abstraction has has 318 places, 319 transitions, 652 flow [2024-11-24 00:51:55,378 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 331.3333333333333) internal successors, (994), 3 states have internal predecessors, (994), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 00:51:55,378 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-24 00:51:55,378 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:51:55,379 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-24 00:51:55,379 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 165 more)] === [2024-11-24 00:51:55,379 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:51:55,379 INFO L85 PathProgramCache]: Analyzing trace with hash -577244829, now seen corresponding path program 1 times [2024-11-24 00:51:55,380 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:51:55,380 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [272254773] [2024-11-24 00:51:55,380 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:51:55,380 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:51:55,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:51:55,455 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 00:51:55,455 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:51:55,455 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [272254773] [2024-11-24 00:51:55,456 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [272254773] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:51:55,456 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:51:55,456 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-24 00:51:55,456 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [90980488] [2024-11-24 00:51:55,456 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:51:55,456 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 00:51:55,457 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:51:55,457 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 00:51:55,457 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 00:51:55,469 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 330 out of 443 [2024-11-24 00:51:55,470 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 318 places, 319 transitions, 652 flow. Second operand has 3 states, 3 states have (on average 331.0) internal successors, (993), 3 states have internal predecessors, (993), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 00:51:55,470 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-24 00:51:55,471 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 330 of 443 [2024-11-24 00:51:55,471 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-24 00:51:55,822 INFO L124 PetriNetUnfolderBase]: 748/1694 cut-off events. [2024-11-24 00:51:55,823 INFO L125 PetriNetUnfolderBase]: For 48/48 co-relation queries the response was YES. [2024-11-24 00:51:55,826 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2778 conditions, 1694 events. 748/1694 cut-off events. For 48/48 co-relation queries the response was YES. Maximal size of possible extension queue 91. Compared 8777 event pairs, 485 based on Foata normal form. 0/1549 useless extension candidates. Maximal degree in co-relation 2674. Up to 1007 conditions per place. [2024-11-24 00:51:55,832 INFO L140 encePairwiseOnDemand]: 440/443 looper letters, 26 selfloop transitions, 1 changer transitions 0/317 dead transitions. [2024-11-24 00:51:55,832 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 318 places, 317 transitions, 702 flow [2024-11-24 00:51:55,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 00:51:55,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-24 00:51:55,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1019 transitions. [2024-11-24 00:51:55,835 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7667419112114372 [2024-11-24 00:51:55,835 INFO L175 Difference]: Start difference. First operand has 318 places, 319 transitions, 652 flow. Second operand 3 states and 1019 transitions. [2024-11-24 00:51:55,835 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 318 places, 317 transitions, 702 flow [2024-11-24 00:51:55,837 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 316 places, 317 transitions, 698 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-24 00:51:55,840 INFO L231 Difference]: Finished difference. Result has 316 places, 317 transitions, 646 flow [2024-11-24 00:51:55,841 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=443, PETRI_DIFFERENCE_MINUEND_FLOW=644, PETRI_DIFFERENCE_MINUEND_PLACES=314, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=317, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=316, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=646, PETRI_PLACES=316, PETRI_TRANSITIONS=317} [2024-11-24 00:51:55,841 INFO L279 CegarLoopForPetriNet]: 413 programPoint places, -97 predicate places. [2024-11-24 00:51:55,841 INFO L471 AbstractCegarLoop]: Abstraction has has 316 places, 317 transitions, 646 flow [2024-11-24 00:51:55,842 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 331.0) internal successors, (993), 3 states have internal predecessors, (993), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 00:51:55,842 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-24 00:51:55,843 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:51:55,843 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-24 00:51:55,843 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 165 more)] === [2024-11-24 00:51:55,844 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:51:55,844 INFO L85 PathProgramCache]: Analyzing trace with hash 500302654, now seen corresponding path program 1 times [2024-11-24 00:51:55,844 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:51:55,844 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2011056322] [2024-11-24 00:51:55,844 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:51:55,844 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:51:55,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:51:55,914 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 00:51:55,914 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:51:55,914 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2011056322] [2024-11-24 00:51:55,914 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2011056322] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:51:55,914 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:51:55,915 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-24 00:51:55,915 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1487226727] [2024-11-24 00:51:55,915 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:51:55,916 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 00:51:55,918 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:51:55,919 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 00:51:55,919 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 00:51:55,927 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 333 out of 443 [2024-11-24 00:51:55,928 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 316 places, 317 transitions, 646 flow. Second operand has 3 states, 3 states have (on average 334.0) internal successors, (1002), 3 states have internal predecessors, (1002), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 00:51:55,929 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-24 00:51:55,929 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 333 of 443 [2024-11-24 00:51:55,929 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-24 00:51:56,316 INFO L124 PetriNetUnfolderBase]: 748/1693 cut-off events. [2024-11-24 00:51:56,317 INFO L125 PetriNetUnfolderBase]: For 48/48 co-relation queries the response was YES. [2024-11-24 00:51:56,319 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2774 conditions, 1693 events. 748/1693 cut-off events. For 48/48 co-relation queries the response was YES. Maximal size of possible extension queue 91. Compared 8792 event pairs, 485 based on Foata normal form. 0/1549 useless extension candidates. Maximal degree in co-relation 2670. Up to 1005 conditions per place. [2024-11-24 00:51:56,324 INFO L140 encePairwiseOnDemand]: 441/443 looper letters, 24 selfloop transitions, 1 changer transitions 0/316 dead transitions. [2024-11-24 00:51:56,324 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 317 places, 316 transitions, 694 flow [2024-11-24 00:51:56,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 00:51:56,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-24 00:51:56,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1025 transitions. [2024-11-24 00:51:56,328 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7712565838976674 [2024-11-24 00:51:56,328 INFO L175 Difference]: Start difference. First operand has 316 places, 317 transitions, 646 flow. Second operand 3 states and 1025 transitions. [2024-11-24 00:51:56,328 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 317 places, 316 transitions, 694 flow [2024-11-24 00:51:56,330 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 316 places, 316 transitions, 693 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-24 00:51:56,333 INFO L231 Difference]: Finished difference. Result has 316 places, 316 transitions, 645 flow [2024-11-24 00:51:56,334 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=443, PETRI_DIFFERENCE_MINUEND_FLOW=643, PETRI_DIFFERENCE_MINUEND_PLACES=314, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=316, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=315, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=645, PETRI_PLACES=316, PETRI_TRANSITIONS=316} [2024-11-24 00:51:56,334 INFO L279 CegarLoopForPetriNet]: 413 programPoint places, -97 predicate places. [2024-11-24 00:51:56,335 INFO L471 AbstractCegarLoop]: Abstraction has has 316 places, 316 transitions, 645 flow [2024-11-24 00:51:56,336 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 334.0) internal successors, (1002), 3 states have internal predecessors, (1002), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 00:51:56,336 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-24 00:51:56,337 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:51:56,337 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-24 00:51:56,338 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 165 more)] === [2024-11-24 00:51:56,338 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:51:56,338 INFO L85 PathProgramCache]: Analyzing trace with hash -245420405, now seen corresponding path program 1 times [2024-11-24 00:51:56,339 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:51:56,339 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [45204606] [2024-11-24 00:51:56,339 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:51:56,339 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:51:56,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:51:56,414 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 00:51:56,414 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:51:56,414 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [45204606] [2024-11-24 00:51:56,414 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [45204606] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:51:56,414 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:51:56,414 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-24 00:51:56,414 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [318121339] [2024-11-24 00:51:56,415 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:51:56,415 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 00:51:56,415 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:51:56,416 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 00:51:56,416 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 00:51:56,428 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 330 out of 443 [2024-11-24 00:51:56,429 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 316 places, 316 transitions, 645 flow. Second operand has 3 states, 3 states have (on average 331.0) internal successors, (993), 3 states have internal predecessors, (993), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 00:51:56,429 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-24 00:51:56,430 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 330 of 443 [2024-11-24 00:51:56,430 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-24 00:51:56,791 INFO L124 PetriNetUnfolderBase]: 748/1691 cut-off events. [2024-11-24 00:51:56,791 INFO L125 PetriNetUnfolderBase]: For 48/48 co-relation queries the response was YES. [2024-11-24 00:51:56,795 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2775 conditions, 1691 events. 748/1691 cut-off events. For 48/48 co-relation queries the response was YES. Maximal size of possible extension queue 91. Compared 8780 event pairs, 485 based on Foata normal form. 0/1549 useless extension candidates. Maximal degree in co-relation 2671. Up to 1007 conditions per place. [2024-11-24 00:51:56,800 INFO L140 encePairwiseOnDemand]: 440/443 looper letters, 26 selfloop transitions, 1 changer transitions 0/314 dead transitions. [2024-11-24 00:51:56,801 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 316 places, 314 transitions, 695 flow [2024-11-24 00:51:56,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 00:51:56,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-24 00:51:56,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1019 transitions. [2024-11-24 00:51:56,804 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7667419112114372 [2024-11-24 00:51:56,804 INFO L175 Difference]: Start difference. First operand has 316 places, 316 transitions, 645 flow. Second operand 3 states and 1019 transitions. [2024-11-24 00:51:56,804 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 316 places, 314 transitions, 695 flow [2024-11-24 00:51:56,806 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 315 places, 314 transitions, 694 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-24 00:51:56,809 INFO L231 Difference]: Finished difference. Result has 315 places, 314 transitions, 642 flow [2024-11-24 00:51:56,810 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=443, PETRI_DIFFERENCE_MINUEND_FLOW=640, PETRI_DIFFERENCE_MINUEND_PLACES=313, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=314, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=313, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=642, PETRI_PLACES=315, PETRI_TRANSITIONS=314} [2024-11-24 00:51:56,810 INFO L279 CegarLoopForPetriNet]: 413 programPoint places, -98 predicate places. [2024-11-24 00:51:56,810 INFO L471 AbstractCegarLoop]: Abstraction has has 315 places, 314 transitions, 642 flow [2024-11-24 00:51:56,811 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 331.0) internal successors, (993), 3 states have internal predecessors, (993), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 00:51:56,811 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-24 00:51:56,811 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:51:56,811 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-24 00:51:56,811 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 165 more)] === [2024-11-24 00:51:56,812 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:51:56,812 INFO L85 PathProgramCache]: Analyzing trace with hash -321171908, now seen corresponding path program 1 times [2024-11-24 00:51:56,812 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:51:56,812 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [250197760] [2024-11-24 00:51:56,813 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:51:56,813 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:51:56,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:51:56,884 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 00:51:56,884 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:51:56,884 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [250197760] [2024-11-24 00:51:56,884 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [250197760] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:51:56,884 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:51:56,884 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-24 00:51:56,885 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [913497299] [2024-11-24 00:51:56,885 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:51:56,885 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 00:51:56,885 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:51:56,886 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 00:51:56,886 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 00:51:56,894 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 333 out of 443 [2024-11-24 00:51:56,895 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 315 places, 314 transitions, 642 flow. Second operand has 3 states, 3 states have (on average 334.0) internal successors, (1002), 3 states have internal predecessors, (1002), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 00:51:56,895 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-24 00:51:56,895 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 333 of 443 [2024-11-24 00:51:56,896 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-24 00:51:57,544 INFO L124 PetriNetUnfolderBase]: 1256/2818 cut-off events. [2024-11-24 00:51:57,544 INFO L125 PetriNetUnfolderBase]: For 81/81 co-relation queries the response was YES. [2024-11-24 00:51:57,550 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4644 conditions, 2818 events. 1256/2818 cut-off events. For 81/81 co-relation queries the response was YES. Maximal size of possible extension queue 150. Compared 17629 event pairs, 792 based on Foata normal form. 0/2548 useless extension candidates. Maximal degree in co-relation 4540. Up to 1084 conditions per place. [2024-11-24 00:51:57,558 INFO L140 encePairwiseOnDemand]: 440/443 looper letters, 44 selfloop transitions, 2 changer transitions 0/334 dead transitions. [2024-11-24 00:51:57,558 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 316 places, 334 transitions, 782 flow [2024-11-24 00:51:57,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 00:51:57,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-24 00:51:57,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1046 transitions. [2024-11-24 00:51:57,561 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7870579382994732 [2024-11-24 00:51:57,561 INFO L175 Difference]: Start difference. First operand has 315 places, 314 transitions, 642 flow. Second operand 3 states and 1046 transitions. [2024-11-24 00:51:57,561 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 316 places, 334 transitions, 782 flow [2024-11-24 00:51:57,563 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 315 places, 334 transitions, 781 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-24 00:51:57,569 INFO L231 Difference]: Finished difference. Result has 316 places, 314 transitions, 649 flow [2024-11-24 00:51:57,569 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=443, PETRI_DIFFERENCE_MINUEND_FLOW=639, PETRI_DIFFERENCE_MINUEND_PLACES=313, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=313, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=311, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=649, PETRI_PLACES=316, PETRI_TRANSITIONS=314} [2024-11-24 00:51:57,570 INFO L279 CegarLoopForPetriNet]: 413 programPoint places, -97 predicate places. [2024-11-24 00:51:57,570 INFO L471 AbstractCegarLoop]: Abstraction has has 316 places, 314 transitions, 649 flow [2024-11-24 00:51:57,570 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 334.0) internal successors, (1002), 3 states have internal predecessors, (1002), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 00:51:57,570 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-24 00:51:57,571 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:51:57,571 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-24 00:51:57,571 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 165 more)] === [2024-11-24 00:51:57,572 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:51:57,573 INFO L85 PathProgramCache]: Analyzing trace with hash 591505319, now seen corresponding path program 1 times [2024-11-24 00:51:57,573 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:51:57,573 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1888338245] [2024-11-24 00:51:57,573 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:51:57,574 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:51:57,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:51:57,652 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 00:51:57,652 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:51:57,652 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1888338245] [2024-11-24 00:51:57,652 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1888338245] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:51:57,652 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:51:57,652 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-24 00:51:57,653 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [286441913] [2024-11-24 00:51:57,653 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:51:57,653 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 00:51:57,653 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:51:57,654 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 00:51:57,654 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 00:51:57,663 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 333 out of 443 [2024-11-24 00:51:57,665 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 316 places, 314 transitions, 649 flow. Second operand has 3 states, 3 states have (on average 334.0) internal successors, (1002), 3 states have internal predecessors, (1002), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 00:51:57,665 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-24 00:51:57,665 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 333 of 443 [2024-11-24 00:51:57,665 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-24 00:51:58,661 INFO L124 PetriNetUnfolderBase]: 1871/4216 cut-off events. [2024-11-24 00:51:58,662 INFO L125 PetriNetUnfolderBase]: For 413/413 co-relation queries the response was YES. [2024-11-24 00:51:58,672 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7295 conditions, 4216 events. 1871/4216 cut-off events. For 413/413 co-relation queries the response was YES. Maximal size of possible extension queue 207. Compared 30228 event pairs, 796 based on Foata normal form. 0/3781 useless extension candidates. Maximal degree in co-relation 7190. Up to 1415 conditions per place. [2024-11-24 00:51:58,687 INFO L140 encePairwiseOnDemand]: 439/443 looper letters, 45 selfloop transitions, 4 changer transitions 0/336 dead transitions. [2024-11-24 00:51:58,687 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 317 places, 336 transitions, 804 flow [2024-11-24 00:51:58,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 00:51:58,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-24 00:51:58,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1047 transitions. [2024-11-24 00:51:58,690 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7878103837471784 [2024-11-24 00:51:58,690 INFO L175 Difference]: Start difference. First operand has 316 places, 314 transitions, 649 flow. Second operand 3 states and 1047 transitions. [2024-11-24 00:51:58,690 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 317 places, 336 transitions, 804 flow [2024-11-24 00:51:58,693 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 316 places, 336 transitions, 801 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-24 00:51:58,696 INFO L231 Difference]: Finished difference. Result has 318 places, 316 transitions, 677 flow [2024-11-24 00:51:58,696 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=443, PETRI_DIFFERENCE_MINUEND_FLOW=645, PETRI_DIFFERENCE_MINUEND_PLACES=314, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=313, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=309, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=677, PETRI_PLACES=318, PETRI_TRANSITIONS=316} [2024-11-24 00:51:58,697 INFO L279 CegarLoopForPetriNet]: 413 programPoint places, -95 predicate places. [2024-11-24 00:51:58,697 INFO L471 AbstractCegarLoop]: Abstraction has has 318 places, 316 transitions, 677 flow [2024-11-24 00:51:58,697 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 334.0) internal successors, (1002), 3 states have internal predecessors, (1002), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 00:51:58,698 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-24 00:51:58,698 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:51:58,698 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-24 00:51:58,698 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 165 more)] === [2024-11-24 00:51:58,699 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:51:58,699 INFO L85 PathProgramCache]: Analyzing trace with hash 594802424, now seen corresponding path program 1 times [2024-11-24 00:51:58,699 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:51:58,699 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1541157661] [2024-11-24 00:51:58,699 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:51:58,699 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:51:58,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:51:58,788 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 00:51:58,788 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:51:58,788 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1541157661] [2024-11-24 00:51:58,788 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1541157661] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:51:58,788 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:51:58,788 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-24 00:51:58,788 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [769014446] [2024-11-24 00:51:58,789 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:51:58,789 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 00:51:58,789 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:51:58,790 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 00:51:58,790 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 00:51:58,798 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 333 out of 443 [2024-11-24 00:51:58,799 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 318 places, 316 transitions, 677 flow. Second operand has 3 states, 3 states have (on average 334.0) internal successors, (1002), 3 states have internal predecessors, (1002), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 00:51:58,800 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-24 00:51:58,800 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 333 of 443 [2024-11-24 00:51:58,800 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-24 00:52:00,727 INFO L124 PetriNetUnfolderBase]: 3256/7145 cut-off events. [2024-11-24 00:52:00,728 INFO L125 PetriNetUnfolderBase]: For 2821/2821 co-relation queries the response was YES. [2024-11-24 00:52:00,747 INFO L83 FinitePrefix]: Finished finitePrefix Result has 13474 conditions, 7145 events. 3256/7145 cut-off events. For 2821/2821 co-relation queries the response was YES. Maximal size of possible extension queue 360. Compared 58334 event pairs, 1976 based on Foata normal form. 0/6428 useless extension candidates. Maximal degree in co-relation 13368. Up to 2692 conditions per place. [2024-11-24 00:52:00,772 INFO L140 encePairwiseOnDemand]: 440/443 looper letters, 52 selfloop transitions, 2 changer transitions 0/340 dead transitions. [2024-11-24 00:52:00,773 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 319 places, 340 transitions, 867 flow [2024-11-24 00:52:00,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 00:52:00,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-24 00:52:00,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1046 transitions. [2024-11-24 00:52:00,776 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7870579382994732 [2024-11-24 00:52:00,776 INFO L175 Difference]: Start difference. First operand has 318 places, 316 transitions, 677 flow. Second operand 3 states and 1046 transitions. [2024-11-24 00:52:00,776 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 319 places, 340 transitions, 867 flow [2024-11-24 00:52:00,784 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 317 places, 340 transitions, 853 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-24 00:52:00,787 INFO L231 Difference]: Finished difference. Result has 318 places, 316 transitions, 677 flow [2024-11-24 00:52:00,788 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=443, PETRI_DIFFERENCE_MINUEND_FLOW=667, PETRI_DIFFERENCE_MINUEND_PLACES=315, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=315, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=313, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=677, PETRI_PLACES=318, PETRI_TRANSITIONS=316} [2024-11-24 00:52:00,788 INFO L279 CegarLoopForPetriNet]: 413 programPoint places, -95 predicate places. [2024-11-24 00:52:00,788 INFO L471 AbstractCegarLoop]: Abstraction has has 318 places, 316 transitions, 677 flow [2024-11-24 00:52:00,789 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 334.0) internal successors, (1002), 3 states have internal predecessors, (1002), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 00:52:00,789 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-24 00:52:00,789 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:52:00,789 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-24 00:52:00,790 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 165 more)] === [2024-11-24 00:52:00,790 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:52:00,791 INFO L85 PathProgramCache]: Analyzing trace with hash 374542863, now seen corresponding path program 1 times [2024-11-24 00:52:00,791 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:52:00,791 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1156908469] [2024-11-24 00:52:00,791 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:52:00,791 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:52:00,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:52:00,868 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 00:52:00,868 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:52:00,868 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1156908469] [2024-11-24 00:52:00,868 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1156908469] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:52:00,868 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:52:00,868 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-24 00:52:00,868 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [9359700] [2024-11-24 00:52:00,868 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:52:00,869 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 00:52:00,871 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:52:00,872 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 00:52:00,872 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 00:52:00,882 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 333 out of 443 [2024-11-24 00:52:00,883 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 318 places, 316 transitions, 677 flow. Second operand has 3 states, 3 states have (on average 334.0) internal successors, (1002), 3 states have internal predecessors, (1002), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 00:52:00,883 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-24 00:52:00,883 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 333 of 443 [2024-11-24 00:52:00,883 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-24 00:52:02,922 INFO L124 PetriNetUnfolderBase]: 4475/9772 cut-off events. [2024-11-24 00:52:02,922 INFO L125 PetriNetUnfolderBase]: For 3203/3203 co-relation queries the response was YES. [2024-11-24 00:52:02,948 INFO L83 FinitePrefix]: Finished finitePrefix Result has 18651 conditions, 9772 events. 4475/9772 cut-off events. For 3203/3203 co-relation queries the response was YES. Maximal size of possible extension queue 499. Compared 84257 event pairs, 1933 based on Foata normal form. 0/8778 useless extension candidates. Maximal degree in co-relation 18544. Up to 3688 conditions per place. [2024-11-24 00:52:02,985 INFO L140 encePairwiseOnDemand]: 439/443 looper letters, 53 selfloop transitions, 4 changer transitions 0/342 dead transitions. [2024-11-24 00:52:02,985 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 319 places, 342 transitions, 876 flow [2024-11-24 00:52:02,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 00:52:02,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-24 00:52:02,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1047 transitions. [2024-11-24 00:52:02,988 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7878103837471784 [2024-11-24 00:52:02,988 INFO L175 Difference]: Start difference. First operand has 318 places, 316 transitions, 677 flow. Second operand 3 states and 1047 transitions. [2024-11-24 00:52:02,989 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 319 places, 342 transitions, 876 flow [2024-11-24 00:52:02,992 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 318 places, 342 transitions, 873 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-24 00:52:02,995 INFO L231 Difference]: Finished difference. Result has 320 places, 318 transitions, 705 flow [2024-11-24 00:52:02,996 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=443, PETRI_DIFFERENCE_MINUEND_FLOW=673, PETRI_DIFFERENCE_MINUEND_PLACES=316, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=315, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=311, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=705, PETRI_PLACES=320, PETRI_TRANSITIONS=318} [2024-11-24 00:52:02,996 INFO L279 CegarLoopForPetriNet]: 413 programPoint places, -93 predicate places. [2024-11-24 00:52:02,996 INFO L471 AbstractCegarLoop]: Abstraction has has 320 places, 318 transitions, 705 flow [2024-11-24 00:52:02,997 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 334.0) internal successors, (1002), 3 states have internal predecessors, (1002), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 00:52:02,997 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-24 00:52:02,997 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:52:02,997 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-11-24 00:52:02,998 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 165 more)] === [2024-11-24 00:52:02,998 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:52:02,999 INFO L85 PathProgramCache]: Analyzing trace with hash -873978629, now seen corresponding path program 1 times [2024-11-24 00:52:02,999 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:52:02,999 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [530236781] [2024-11-24 00:52:02,999 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:52:02,999 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:52:03,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:52:03,096 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 00:52:03,096 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:52:03,096 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [530236781] [2024-11-24 00:52:03,096 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [530236781] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:52:03,096 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:52:03,097 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-24 00:52:03,097 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [521516327] [2024-11-24 00:52:03,097 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:52:03,097 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 00:52:03,098 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:52:03,098 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 00:52:03,098 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 00:52:03,101 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 334 out of 443 [2024-11-24 00:52:03,102 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 320 places, 318 transitions, 705 flow. Second operand has 3 states, 3 states have (on average 338.6666666666667) internal successors, (1016), 3 states have internal predecessors, (1016), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 00:52:03,103 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-24 00:52:03,103 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 334 of 443 [2024-11-24 00:52:03,103 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-24 00:52:05,284 INFO L124 PetriNetUnfolderBase]: 4475/10010 cut-off events. [2024-11-24 00:52:05,285 INFO L125 PetriNetUnfolderBase]: For 5912/5912 co-relation queries the response was YES. [2024-11-24 00:52:05,305 INFO L83 FinitePrefix]: Finished finitePrefix Result has 20173 conditions, 10010 events. 4475/10010 cut-off events. For 5912/5912 co-relation queries the response was YES. Maximal size of possible extension queue 521. Compared 88806 event pairs, 2649 based on Foata normal form. 16/8986 useless extension candidates. Maximal degree in co-relation 20066. Up to 6067 conditions per place. [2024-11-24 00:52:05,312 INFO L140 encePairwiseOnDemand]: 441/443 looper letters, 0 selfloop transitions, 0 changer transitions 317/317 dead transitions. [2024-11-24 00:52:05,312 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 321 places, 317 transitions, 765 flow [2024-11-24 00:52:05,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 00:52:05,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-24 00:52:05,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1026 transitions. [2024-11-24 00:52:05,315 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7720090293453724 [2024-11-24 00:52:05,315 INFO L175 Difference]: Start difference. First operand has 320 places, 318 transitions, 705 flow. Second operand 3 states and 1026 transitions. [2024-11-24 00:52:05,315 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 321 places, 317 transitions, 765 flow [2024-11-24 00:52:05,324 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 319 places, 317 transitions, 757 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-24 00:52:05,326 INFO L231 Difference]: Finished difference. Result has 319 places, 0 transitions, 0 flow [2024-11-24 00:52:05,326 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=443, PETRI_DIFFERENCE_MINUEND_FLOW=695, PETRI_DIFFERENCE_MINUEND_PLACES=317, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=317, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=317, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=319, PETRI_TRANSITIONS=0} [2024-11-24 00:52:05,327 INFO L279 CegarLoopForPetriNet]: 413 programPoint places, -94 predicate places. [2024-11-24 00:52:05,327 INFO L471 AbstractCegarLoop]: Abstraction has has 319 places, 0 transitions, 0 flow [2024-11-24 00:52:05,327 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 338.6666666666667) internal successors, (1016), 3 states have internal predecessors, (1016), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 00:52:05,330 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (168 of 169 remaining) [2024-11-24 00:52:05,330 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (167 of 169 remaining) [2024-11-24 00:52:05,330 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (166 of 169 remaining) [2024-11-24 00:52:05,331 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (165 of 169 remaining) [2024-11-24 00:52:05,331 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (164 of 169 remaining) [2024-11-24 00:52:05,331 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (163 of 169 remaining) [2024-11-24 00:52:05,331 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (162 of 169 remaining) [2024-11-24 00:52:05,331 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (161 of 169 remaining) [2024-11-24 00:52:05,331 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (160 of 169 remaining) [2024-11-24 00:52:05,331 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (159 of 169 remaining) [2024-11-24 00:52:05,331 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (158 of 169 remaining) [2024-11-24 00:52:05,332 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err11ASSERT_VIOLATIONDATA_RACE (157 of 169 remaining) [2024-11-24 00:52:05,332 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err12ASSERT_VIOLATIONDATA_RACE (156 of 169 remaining) [2024-11-24 00:52:05,332 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err13ASSERT_VIOLATIONDATA_RACE (155 of 169 remaining) [2024-11-24 00:52:05,332 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err14ASSERT_VIOLATIONDATA_RACE (154 of 169 remaining) [2024-11-24 00:52:05,332 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (153 of 169 remaining) [2024-11-24 00:52:05,332 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (152 of 169 remaining) [2024-11-24 00:52:05,332 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (151 of 169 remaining) [2024-11-24 00:52:05,332 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (150 of 169 remaining) [2024-11-24 00:52:05,333 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (149 of 169 remaining) [2024-11-24 00:52:05,333 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (148 of 169 remaining) [2024-11-24 00:52:05,333 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (147 of 169 remaining) [2024-11-24 00:52:05,333 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (146 of 169 remaining) [2024-11-24 00:52:05,333 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (145 of 169 remaining) [2024-11-24 00:52:05,333 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (144 of 169 remaining) [2024-11-24 00:52:05,333 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (143 of 169 remaining) [2024-11-24 00:52:05,333 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (142 of 169 remaining) [2024-11-24 00:52:05,333 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (141 of 169 remaining) [2024-11-24 00:52:05,334 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONDATA_RACE (140 of 169 remaining) [2024-11-24 00:52:05,334 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err14ASSERT_VIOLATIONDATA_RACE (139 of 169 remaining) [2024-11-24 00:52:05,334 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (138 of 169 remaining) [2024-11-24 00:52:05,334 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (137 of 169 remaining) [2024-11-24 00:52:05,334 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (136 of 169 remaining) [2024-11-24 00:52:05,334 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (135 of 169 remaining) [2024-11-24 00:52:05,334 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (134 of 169 remaining) [2024-11-24 00:52:05,334 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (133 of 169 remaining) [2024-11-24 00:52:05,334 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (132 of 169 remaining) [2024-11-24 00:52:05,335 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (131 of 169 remaining) [2024-11-24 00:52:05,335 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err8ASSERT_VIOLATIONDATA_RACE (130 of 169 remaining) [2024-11-24 00:52:05,335 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err9ASSERT_VIOLATIONDATA_RACE (129 of 169 remaining) [2024-11-24 00:52:05,335 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err10ASSERT_VIOLATIONDATA_RACE (128 of 169 remaining) [2024-11-24 00:52:05,335 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err11ASSERT_VIOLATIONDATA_RACE (127 of 169 remaining) [2024-11-24 00:52:05,335 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err12ASSERT_VIOLATIONDATA_RACE (126 of 169 remaining) [2024-11-24 00:52:05,335 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err13ASSERT_VIOLATIONDATA_RACE (125 of 169 remaining) [2024-11-24 00:52:05,335 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err14ASSERT_VIOLATIONDATA_RACE (124 of 169 remaining) [2024-11-24 00:52:05,336 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err15ASSERT_VIOLATIONDATA_RACE (123 of 169 remaining) [2024-11-24 00:52:05,336 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err16ASSERT_VIOLATIONDATA_RACE (122 of 169 remaining) [2024-11-24 00:52:05,336 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err17ASSERT_VIOLATIONDATA_RACE (121 of 169 remaining) [2024-11-24 00:52:05,336 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err18ASSERT_VIOLATIONDATA_RACE (120 of 169 remaining) [2024-11-24 00:52:05,336 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err19ASSERT_VIOLATIONDATA_RACE (119 of 169 remaining) [2024-11-24 00:52:05,336 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (118 of 169 remaining) [2024-11-24 00:52:05,336 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (117 of 169 remaining) [2024-11-24 00:52:05,336 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (116 of 169 remaining) [2024-11-24 00:52:05,336 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (115 of 169 remaining) [2024-11-24 00:52:05,336 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (114 of 169 remaining) [2024-11-24 00:52:05,337 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (113 of 169 remaining) [2024-11-24 00:52:05,337 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (112 of 169 remaining) [2024-11-24 00:52:05,337 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (111 of 169 remaining) [2024-11-24 00:52:05,337 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (110 of 169 remaining) [2024-11-24 00:52:05,337 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (109 of 169 remaining) [2024-11-24 00:52:05,337 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (108 of 169 remaining) [2024-11-24 00:52:05,337 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (107 of 169 remaining) [2024-11-24 00:52:05,337 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (106 of 169 remaining) [2024-11-24 00:52:05,338 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE (105 of 169 remaining) [2024-11-24 00:52:05,338 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (104 of 169 remaining) [2024-11-24 00:52:05,338 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE (103 of 169 remaining) [2024-11-24 00:52:05,338 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONDATA_RACE (102 of 169 remaining) [2024-11-24 00:52:05,338 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr17ASSERT_VIOLATIONDATA_RACE (101 of 169 remaining) [2024-11-24 00:52:05,338 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE (100 of 169 remaining) [2024-11-24 00:52:05,338 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr19ASSERT_VIOLATIONDATA_RACE (99 of 169 remaining) [2024-11-24 00:52:05,338 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr20ASSERT_VIOLATIONDATA_RACE (98 of 169 remaining) [2024-11-24 00:52:05,338 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr21ASSERT_VIOLATIONDATA_RACE (97 of 169 remaining) [2024-11-24 00:52:05,339 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr22ASSERT_VIOLATIONDATA_RACE (96 of 169 remaining) [2024-11-24 00:52:05,339 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr23ASSERT_VIOLATIONDATA_RACE (95 of 169 remaining) [2024-11-24 00:52:05,339 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr24ASSERT_VIOLATIONDATA_RACE (94 of 169 remaining) [2024-11-24 00:52:05,339 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (93 of 169 remaining) [2024-11-24 00:52:05,339 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (92 of 169 remaining) [2024-11-24 00:52:05,339 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (91 of 169 remaining) [2024-11-24 00:52:05,339 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (90 of 169 remaining) [2024-11-24 00:52:05,339 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err0ASSERT_VIOLATIONDATA_RACE (89 of 169 remaining) [2024-11-24 00:52:05,339 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err1ASSERT_VIOLATIONDATA_RACE (88 of 169 remaining) [2024-11-24 00:52:05,340 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err2ASSERT_VIOLATIONDATA_RACE (87 of 169 remaining) [2024-11-24 00:52:05,340 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err3ASSERT_VIOLATIONDATA_RACE (86 of 169 remaining) [2024-11-24 00:52:05,340 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err4ASSERT_VIOLATIONDATA_RACE (85 of 169 remaining) [2024-11-24 00:52:05,340 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err5ASSERT_VIOLATIONDATA_RACE (84 of 169 remaining) [2024-11-24 00:52:05,340 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err6ASSERT_VIOLATIONDATA_RACE (83 of 169 remaining) [2024-11-24 00:52:05,340 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err7ASSERT_VIOLATIONDATA_RACE (82 of 169 remaining) [2024-11-24 00:52:05,340 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err8ASSERT_VIOLATIONDATA_RACE (81 of 169 remaining) [2024-11-24 00:52:05,340 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err9ASSERT_VIOLATIONDATA_RACE (80 of 169 remaining) [2024-11-24 00:52:05,340 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err10ASSERT_VIOLATIONDATA_RACE (79 of 169 remaining) [2024-11-24 00:52:05,341 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err11ASSERT_VIOLATIONDATA_RACE (78 of 169 remaining) [2024-11-24 00:52:05,341 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err12ASSERT_VIOLATIONDATA_RACE (77 of 169 remaining) [2024-11-24 00:52:05,341 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err13ASSERT_VIOLATIONDATA_RACE (76 of 169 remaining) [2024-11-24 00:52:05,341 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err14ASSERT_VIOLATIONDATA_RACE (75 of 169 remaining) [2024-11-24 00:52:05,341 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err15ASSERT_VIOLATIONDATA_RACE (74 of 169 remaining) [2024-11-24 00:52:05,341 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err16ASSERT_VIOLATIONDATA_RACE (73 of 169 remaining) [2024-11-24 00:52:05,341 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err17ASSERT_VIOLATIONDATA_RACE (72 of 169 remaining) [2024-11-24 00:52:05,341 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err18ASSERT_VIOLATIONDATA_RACE (71 of 169 remaining) [2024-11-24 00:52:05,341 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err19ASSERT_VIOLATIONDATA_RACE (70 of 169 remaining) [2024-11-24 00:52:05,341 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (69 of 169 remaining) [2024-11-24 00:52:05,341 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (68 of 169 remaining) [2024-11-24 00:52:05,341 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (67 of 169 remaining) [2024-11-24 00:52:05,341 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (66 of 169 remaining) [2024-11-24 00:52:05,342 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (65 of 169 remaining) [2024-11-24 00:52:05,342 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (64 of 169 remaining) [2024-11-24 00:52:05,342 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (63 of 169 remaining) [2024-11-24 00:52:05,342 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (62 of 169 remaining) [2024-11-24 00:52:05,342 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (61 of 169 remaining) [2024-11-24 00:52:05,342 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (60 of 169 remaining) [2024-11-24 00:52:05,342 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (59 of 169 remaining) [2024-11-24 00:52:05,342 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err11ASSERT_VIOLATIONDATA_RACE (58 of 169 remaining) [2024-11-24 00:52:05,342 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err12ASSERT_VIOLATIONDATA_RACE (57 of 169 remaining) [2024-11-24 00:52:05,342 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err13ASSERT_VIOLATIONDATA_RACE (56 of 169 remaining) [2024-11-24 00:52:05,343 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err14ASSERT_VIOLATIONDATA_RACE (55 of 169 remaining) [2024-11-24 00:52:05,343 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (54 of 169 remaining) [2024-11-24 00:52:05,343 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (53 of 169 remaining) [2024-11-24 00:52:05,343 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (52 of 169 remaining) [2024-11-24 00:52:05,343 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (51 of 169 remaining) [2024-11-24 00:52:05,343 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (50 of 169 remaining) [2024-11-24 00:52:05,343 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (49 of 169 remaining) [2024-11-24 00:52:05,343 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (48 of 169 remaining) [2024-11-24 00:52:05,344 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (47 of 169 remaining) [2024-11-24 00:52:05,344 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (46 of 169 remaining) [2024-11-24 00:52:05,344 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (45 of 169 remaining) [2024-11-24 00:52:05,344 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (44 of 169 remaining) [2024-11-24 00:52:05,344 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (43 of 169 remaining) [2024-11-24 00:52:05,344 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (42 of 169 remaining) [2024-11-24 00:52:05,344 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONDATA_RACE (41 of 169 remaining) [2024-11-24 00:52:05,344 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err14ASSERT_VIOLATIONDATA_RACE (40 of 169 remaining) [2024-11-24 00:52:05,344 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (39 of 169 remaining) [2024-11-24 00:52:05,345 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (38 of 169 remaining) [2024-11-24 00:52:05,345 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (37 of 169 remaining) [2024-11-24 00:52:05,345 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (36 of 169 remaining) [2024-11-24 00:52:05,345 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (35 of 169 remaining) [2024-11-24 00:52:05,345 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (34 of 169 remaining) [2024-11-24 00:52:05,345 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (33 of 169 remaining) [2024-11-24 00:52:05,345 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (32 of 169 remaining) [2024-11-24 00:52:05,345 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err8ASSERT_VIOLATIONDATA_RACE (31 of 169 remaining) [2024-11-24 00:52:05,345 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err9ASSERT_VIOLATIONDATA_RACE (30 of 169 remaining) [2024-11-24 00:52:05,346 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err10ASSERT_VIOLATIONDATA_RACE (29 of 169 remaining) [2024-11-24 00:52:05,346 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err11ASSERT_VIOLATIONDATA_RACE (28 of 169 remaining) [2024-11-24 00:52:05,346 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err12ASSERT_VIOLATIONDATA_RACE (27 of 169 remaining) [2024-11-24 00:52:05,346 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err13ASSERT_VIOLATIONDATA_RACE (26 of 169 remaining) [2024-11-24 00:52:05,346 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err14ASSERT_VIOLATIONDATA_RACE (25 of 169 remaining) [2024-11-24 00:52:05,346 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err15ASSERT_VIOLATIONDATA_RACE (24 of 169 remaining) [2024-11-24 00:52:05,346 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err16ASSERT_VIOLATIONDATA_RACE (23 of 169 remaining) [2024-11-24 00:52:05,346 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err17ASSERT_VIOLATIONDATA_RACE (22 of 169 remaining) [2024-11-24 00:52:05,346 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err18ASSERT_VIOLATIONDATA_RACE (21 of 169 remaining) [2024-11-24 00:52:05,346 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err19ASSERT_VIOLATIONDATA_RACE (20 of 169 remaining) [2024-11-24 00:52:05,346 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err0ASSERT_VIOLATIONDATA_RACE (19 of 169 remaining) [2024-11-24 00:52:05,346 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err1ASSERT_VIOLATIONDATA_RACE (18 of 169 remaining) [2024-11-24 00:52:05,346 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err2ASSERT_VIOLATIONDATA_RACE (17 of 169 remaining) [2024-11-24 00:52:05,346 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err3ASSERT_VIOLATIONDATA_RACE (16 of 169 remaining) [2024-11-24 00:52:05,347 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err4ASSERT_VIOLATIONDATA_RACE (15 of 169 remaining) [2024-11-24 00:52:05,347 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err5ASSERT_VIOLATIONDATA_RACE (14 of 169 remaining) [2024-11-24 00:52:05,347 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err6ASSERT_VIOLATIONDATA_RACE (13 of 169 remaining) [2024-11-24 00:52:05,347 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err7ASSERT_VIOLATIONDATA_RACE (12 of 169 remaining) [2024-11-24 00:52:05,347 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err8ASSERT_VIOLATIONDATA_RACE (11 of 169 remaining) [2024-11-24 00:52:05,347 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err9ASSERT_VIOLATIONDATA_RACE (10 of 169 remaining) [2024-11-24 00:52:05,347 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err10ASSERT_VIOLATIONDATA_RACE (9 of 169 remaining) [2024-11-24 00:52:05,347 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err11ASSERT_VIOLATIONDATA_RACE (8 of 169 remaining) [2024-11-24 00:52:05,347 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err12ASSERT_VIOLATIONDATA_RACE (7 of 169 remaining) [2024-11-24 00:52:05,347 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err13ASSERT_VIOLATIONDATA_RACE (6 of 169 remaining) [2024-11-24 00:52:05,347 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err14ASSERT_VIOLATIONDATA_RACE (5 of 169 remaining) [2024-11-24 00:52:05,348 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err15ASSERT_VIOLATIONDATA_RACE (4 of 169 remaining) [2024-11-24 00:52:05,348 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err16ASSERT_VIOLATIONDATA_RACE (3 of 169 remaining) [2024-11-24 00:52:05,348 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err17ASSERT_VIOLATIONDATA_RACE (2 of 169 remaining) [2024-11-24 00:52:05,348 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err18ASSERT_VIOLATIONDATA_RACE (1 of 169 remaining) [2024-11-24 00:52:05,348 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err19ASSERT_VIOLATIONDATA_RACE (0 of 169 remaining) [2024-11-24 00:52:05,348 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-11-24 00:52:05,349 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:52:05,357 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-24 00:52:05,357 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-24 00:52:05,366 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.11 12:52:05 BasicIcfg [2024-11-24 00:52:05,367 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-24 00:52:05,367 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-24 00:52:05,367 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-24 00:52:05,367 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-24 00:52:05,368 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 12:51:45" (3/4) ... [2024-11-24 00:52:05,372 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-11-24 00:52:05,375 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2024-11-24 00:52:05,375 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2024-11-24 00:52:05,377 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2024-11-24 00:52:05,377 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread4 [2024-11-24 00:52:05,386 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 25 nodes and edges [2024-11-24 00:52:05,386 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-24 00:52:05,387 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-24 00:52:05,387 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-24 00:52:05,504 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_721be60a-2b8a-4425-9fd0-1cf5b6e06223/bin/uautomizer-verify-LYvppIcaGC/witness.graphml [2024-11-24 00:52:05,504 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_721be60a-2b8a-4425-9fd0-1cf5b6e06223/bin/uautomizer-verify-LYvppIcaGC/witness.yml [2024-11-24 00:52:05,504 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-24 00:52:05,506 INFO L158 Benchmark]: Toolchain (without parser) took 23090.92ms. Allocated memory was 142.6MB in the beginning and 1.9GB in the end (delta: 1.7GB). Free memory was 118.9MB in the beginning and 1.1GB in the end (delta: -1.0GB). Peak memory consumption was 712.1MB. Max. memory is 16.1GB. [2024-11-24 00:52:05,506 INFO L158 Benchmark]: CDTParser took 0.62ms. Allocated memory is still 142.6MB. Free memory is still 78.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 00:52:05,507 INFO L158 Benchmark]: CACSL2BoogieTranslator took 435.48ms. Allocated memory is still 142.6MB. Free memory was 118.9MB in the beginning and 104.4MB in the end (delta: 14.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-24 00:52:05,507 INFO L158 Benchmark]: Boogie Procedure Inliner took 96.01ms. Allocated memory is still 142.6MB. Free memory was 104.4MB in the beginning and 100.8MB in the end (delta: 3.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 00:52:05,507 INFO L158 Benchmark]: Boogie Preprocessor took 50.67ms. Allocated memory is still 142.6MB. Free memory was 100.8MB in the beginning and 97.8MB in the end (delta: 3.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 00:52:05,508 INFO L158 Benchmark]: RCFGBuilder took 2089.11ms. Allocated memory is still 142.6MB. Free memory was 97.8MB in the beginning and 53.0MB in the end (delta: 44.8MB). Peak memory consumption was 61.4MB. Max. memory is 16.1GB. [2024-11-24 00:52:05,509 INFO L158 Benchmark]: TraceAbstraction took 20274.49ms. Allocated memory was 142.6MB in the beginning and 1.9GB in the end (delta: 1.7GB). Free memory was 52.3MB in the beginning and 1.2GB in the end (delta: -1.1GB). Peak memory consumption was 886.2MB. Max. memory is 16.1GB. [2024-11-24 00:52:05,509 INFO L158 Benchmark]: Witness Printer took 137.20ms. Allocated memory is still 1.9GB. Free memory was 1.2GB in the beginning and 1.1GB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-24 00:52:05,511 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.62ms. Allocated memory is still 142.6MB. Free memory is still 78.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 435.48ms. Allocated memory is still 142.6MB. Free memory was 118.9MB in the beginning and 104.4MB in the end (delta: 14.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 96.01ms. Allocated memory is still 142.6MB. Free memory was 104.4MB in the beginning and 100.8MB in the end (delta: 3.6MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 50.67ms. Allocated memory is still 142.6MB. Free memory was 100.8MB in the beginning and 97.8MB in the end (delta: 3.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 2089.11ms. Allocated memory is still 142.6MB. Free memory was 97.8MB in the beginning and 53.0MB in the end (delta: 44.8MB). Peak memory consumption was 61.4MB. Max. memory is 16.1GB. * TraceAbstraction took 20274.49ms. Allocated memory was 142.6MB in the beginning and 1.9GB in the end (delta: 1.7GB). Free memory was 52.3MB in the beginning and 1.2GB in the end (delta: -1.1GB). Peak memory consumption was 886.2MB. Max. memory is 16.1GB. * Witness Printer took 137.20ms. Allocated memory is still 1.9GB. Free memory was 1.2GB in the beginning and 1.1GB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 53]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 53]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 53]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 53]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 53]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 53]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 53]: 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: 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: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 69]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 69]: 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: 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: 73]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 74]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 74]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 77]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 77]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 80]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 80]: 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: 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: 93]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 93]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 93]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 93]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 93]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 94]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 94]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 94]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 94]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 94]: 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: 98]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 98]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 98]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 98]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 126]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 127]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 128]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 130]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 131]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 132]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 133]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 135]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 136]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 137]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 137]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 165]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 138]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 138]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 165]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 140]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 141]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 141]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 141]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 141]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 141]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 141]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 141]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 141]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 153]: 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: 107]: 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: 107]: 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: 111]: 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: 111]: 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: 112]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 112]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 112]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 112]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 112]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 113]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 113]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 116]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 116]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 116]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 116]: 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 9 procedures, 529 locations, 169 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: 20.0s, OverallIterations: 22, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 16.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.3s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 508 SdHoareTripleChecker+Valid, 2.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 267 mSDsluCounter, 91 SdHoareTripleChecker+Invalid, 1.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 73 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1356 IncrementalHoareTripleChecker+Invalid, 1429 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 73 mSolverCounterUnsat, 91 mSDtfsCounter, 1356 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 48 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=868occurred in iteration=0, InterpolantAutomatonStates: 69, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.0s InterpolantComputationTime, 2754 NumberOfCodeBlocks, 2754 NumberOfCodeBlocksAsserted, 22 NumberOfCheckSat, 2732 ConstructedInterpolants, 0 QuantifiedInterpolants, 2889 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 22 InterpolantComputations, 22 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, ConComCheckerStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 95 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-24 00:52:05,540 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_721be60a-2b8a-4425-9fd0-1cf5b6e06223/bin/uautomizer-verify-LYvppIcaGC/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