./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/parallel-ticket-4.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f19adb58-37b0-48a3-b09b-b80a9e65a54b/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f19adb58-37b0-48a3-b09b-b80a9e65a54b/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f19adb58-37b0-48a3-b09b-b80a9e65a54b/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f19adb58-37b0-48a3-b09b-b80a9e65a54b/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/parallel-ticket-4.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f19adb58-37b0-48a3-b09b-b80a9e65a54b/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f19adb58-37b0-48a3-b09b-b80a9e65a54b/bin/uautomizer-verify-aQ6SnzHsRB --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ad6b8e6072d4c534442fdbffe3152158d5d2614d02df79d5ef08cd921f0d4751 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 02:42:49,594 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 02:42:49,697 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f19adb58-37b0-48a3-b09b-b80a9e65a54b/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-28 02:42:49,703 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 02:42:49,703 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 02:42:49,740 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 02:42:49,741 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 02:42:49,741 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 02:42:49,741 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 02:42:49,742 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 02:42:49,743 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 02:42:49,743 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 02:42:49,743 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 02:42:49,743 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 02:42:49,743 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 02:42:49,744 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-28 02:42:49,744 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 02:42:49,744 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-28 02:42:49,745 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 02:42:49,745 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 02:42:49,745 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 02:42:49,745 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 02:42:49,745 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-28 02:42:49,745 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-28 02:42:49,745 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-28 02:42:49,745 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 02:42:49,746 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 02:42:49,746 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 02:42:49,746 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 02:42:49,746 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 02:42:49,746 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 02:42:49,746 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 02:42:49,746 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 02:42:49,746 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 02:42:49,747 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 02:42:49,747 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 02:42:49,748 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 02:42:49,748 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 02:42:49,748 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 02:42:49,748 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 02:42:49,748 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-28 02:42:49,748 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-28 02:42:49,748 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 02:42:49,748 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 02:42:49,748 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 02:42:49,749 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 02:42:49,749 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_f19adb58-37b0-48a3-b09b-b80a9e65a54b/bin/uautomizer-verify-aQ6SnzHsRB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ad6b8e6072d4c534442fdbffe3152158d5d2614d02df79d5ef08cd921f0d4751 [2024-11-28 02:42:50,052 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 02:42:50,067 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 02:42:50,069 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 02:42:50,071 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 02:42:50,071 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 02:42:50,072 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f19adb58-37b0-48a3-b09b-b80a9e65a54b/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/weaver/parallel-ticket-4.wvr.c [2024-11-28 02:42:53,108 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f19adb58-37b0-48a3-b09b-b80a9e65a54b/bin/uautomizer-verify-aQ6SnzHsRB/data/123125b6f/7166d3444fb64af7a5b8f0282569a910/FLAG735231018 [2024-11-28 02:42:53,412 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 02:42:53,413 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f19adb58-37b0-48a3-b09b-b80a9e65a54b/sv-benchmarks/c/weaver/parallel-ticket-4.wvr.c [2024-11-28 02:42:53,424 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f19adb58-37b0-48a3-b09b-b80a9e65a54b/bin/uautomizer-verify-aQ6SnzHsRB/data/123125b6f/7166d3444fb64af7a5b8f0282569a910/FLAG735231018 [2024-11-28 02:42:53,437 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f19adb58-37b0-48a3-b09b-b80a9e65a54b/bin/uautomizer-verify-aQ6SnzHsRB/data/123125b6f/7166d3444fb64af7a5b8f0282569a910 [2024-11-28 02:42:53,439 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 02:42:53,440 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 02:42:53,441 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 02:42:53,441 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 02:42:53,446 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 02:42:53,446 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:42:53" (1/1) ... [2024-11-28 02:42:53,447 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6e53978a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:42:53, skipping insertion in model container [2024-11-28 02:42:53,447 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:42:53" (1/1) ... [2024-11-28 02:42:53,462 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 02:42:53,635 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 02:42:53,645 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 02:42:53,667 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 02:42:53,686 INFO L204 MainTranslator]: Completed translation [2024-11-28 02:42:53,686 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:42:53 WrapperNode [2024-11-28 02:42:53,687 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 02:42:53,688 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 02:42:53,688 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 02:42:53,688 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 02:42:53,695 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:42:53" (1/1) ... [2024-11-28 02:42:53,701 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:42:53" (1/1) ... [2024-11-28 02:42:53,732 INFO L138 Inliner]: procedures = 20, calls = 17, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 214 [2024-11-28 02:42:53,735 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 02:42:53,736 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 02:42:53,738 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 02:42:53,738 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 02:42:53,745 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:42:53" (1/1) ... [2024-11-28 02:42:53,745 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:42:53" (1/1) ... [2024-11-28 02:42:53,751 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:42:53" (1/1) ... [2024-11-28 02:42:53,751 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:42:53" (1/1) ... [2024-11-28 02:42:53,758 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:42:53" (1/1) ... [2024-11-28 02:42:53,764 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:42:53" (1/1) ... [2024-11-28 02:42:53,769 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:42:53" (1/1) ... [2024-11-28 02:42:53,771 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:42:53" (1/1) ... [2024-11-28 02:42:53,772 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:42:53" (1/1) ... [2024-11-28 02:42:53,777 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 02:42:53,778 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 02:42:53,778 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 02:42:53,778 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 02:42:53,779 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:42:53" (1/1) ... [2024-11-28 02:42:53,792 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 02:42:53,813 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f19adb58-37b0-48a3-b09b-b80a9e65a54b/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:42:53,828 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f19adb58-37b0-48a3-b09b-b80a9e65a54b/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 02:42:53,834 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f19adb58-37b0-48a3-b09b-b80a9e65a54b/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 02:42:53,856 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 02:42:53,856 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-11-28 02:42:53,856 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-11-28 02:42:53,856 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-11-28 02:42:53,857 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-11-28 02:42:53,857 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-11-28 02:42:53,857 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-11-28 02:42:53,857 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2024-11-28 02:42:53,857 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2024-11-28 02:42:53,857 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-28 02:42:53,857 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 02:42:53,857 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 02:42:53,858 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-28 02:42:53,971 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 02:42:53,973 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 02:42:54,322 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-28 02:42:54,322 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 02:42:54,372 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 02:42:54,372 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-28 02:42:54,372 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:42:54 BoogieIcfgContainer [2024-11-28 02:42:54,372 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 02:42:54,375 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 02:42:54,375 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 02:42:54,381 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 02:42:54,382 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 02:42:53" (1/3) ... [2024-11-28 02:42:54,383 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8a73cdd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:42:54, skipping insertion in model container [2024-11-28 02:42:54,383 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:42:53" (2/3) ... [2024-11-28 02:42:54,383 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8a73cdd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:42:54, skipping insertion in model container [2024-11-28 02:42:54,383 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:42:54" (3/3) ... [2024-11-28 02:42:54,385 INFO L128 eAbstractionObserver]: Analyzing ICFG parallel-ticket-4.wvr.c [2024-11-28 02:42:54,401 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 02:42:54,403 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG parallel-ticket-4.wvr.c that has 5 procedures, 227 locations, 1 initial locations, 0 loop locations, and 12 error locations. [2024-11-28 02:42:54,403 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-28 02:42:54,550 INFO L143 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2024-11-28 02:42:54,606 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 239 places, 235 transitions, 498 flow [2024-11-28 02:42:54,732 INFO L124 PetriNetUnfolderBase]: 9/231 cut-off events. [2024-11-28 02:42:54,734 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2024-11-28 02:42:54,746 INFO L83 FinitePrefix]: Finished finitePrefix Result has 248 conditions, 231 events. 9/231 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 349 event pairs, 0 based on Foata normal form. 0/210 useless extension candidates. Maximal degree in co-relation 187. Up to 2 conditions per place. [2024-11-28 02:42:54,746 INFO L82 GeneralOperation]: Start removeDead. Operand has 239 places, 235 transitions, 498 flow [2024-11-28 02:42:54,755 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 219 places, 214 transitions, 449 flow [2024-11-28 02:42:54,765 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 02:42:54,784 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;@205c132e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 02:42:54,784 INFO L334 AbstractCegarLoop]: Starting to check reachability of 24 error locations. [2024-11-28 02:42:54,794 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-28 02:42:54,794 INFO L124 PetriNetUnfolderBase]: 0/25 cut-off events. [2024-11-28 02:42:54,794 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-28 02:42:54,794 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 02:42:54,795 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] [2024-11-28 02:42:54,795 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE, thread2Err1ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2024-11-28 02:42:54,803 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:42:54,804 INFO L85 PathProgramCache]: Analyzing trace with hash -578257067, now seen corresponding path program 1 times [2024-11-28 02:42:54,811 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:42:54,812 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1428753349] [2024-11-28 02:42:54,815 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:42:54,816 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:42:54,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:42:55,025 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 02:42:55,027 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:42:55,027 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1428753349] [2024-11-28 02:42:55,028 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1428753349] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:42:55,028 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:42:55,028 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 02:42:55,029 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1803893747] [2024-11-28 02:42:55,033 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:42:55,039 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 02:42:55,044 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:42:55,095 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 02:42:55,096 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:42:55,135 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 203 out of 235 [2024-11-28 02:42:55,138 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 219 places, 214 transitions, 449 flow. Second operand has 3 states, 3 states have (on average 204.33333333333334) internal successors, (613), 3 states have internal predecessors, (613), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:42:55,138 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 02:42:55,139 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 203 of 235 [2024-11-28 02:42:55,141 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 02:42:56,065 INFO L124 PetriNetUnfolderBase]: 527/3114 cut-off events. [2024-11-28 02:42:56,066 INFO L125 PetriNetUnfolderBase]: For 183/183 co-relation queries the response was YES. [2024-11-28 02:42:56,090 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3969 conditions, 3114 events. 527/3114 cut-off events. For 183/183 co-relation queries the response was YES. Maximal size of possible extension queue 102. Compared 28033 event pairs, 434 based on Foata normal form. 191/2813 useless extension candidates. Maximal degree in co-relation 3687. Up to 677 conditions per place. [2024-11-28 02:42:56,112 INFO L140 encePairwiseOnDemand]: 227/235 looper letters, 20 selfloop transitions, 2 changer transitions 1/208 dead transitions. [2024-11-28 02:42:56,113 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 220 places, 208 transitions, 481 flow [2024-11-28 02:42:56,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 02:42:56,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 02:42:56,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 637 transitions. [2024-11-28 02:42:56,138 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9035460992907801 [2024-11-28 02:42:56,140 INFO L175 Difference]: Start difference. First operand has 219 places, 214 transitions, 449 flow. Second operand 3 states and 637 transitions. [2024-11-28 02:42:56,141 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 220 places, 208 transitions, 481 flow [2024-11-28 02:42:56,153 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 213 places, 208 transitions, 468 flow, removed 0 selfloop flow, removed 7 redundant places. [2024-11-28 02:42:56,160 INFO L231 Difference]: Finished difference. Result has 213 places, 207 transitions, 426 flow [2024-11-28 02:42:56,164 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=235, PETRI_DIFFERENCE_MINUEND_FLOW=424, PETRI_DIFFERENCE_MINUEND_PLACES=211, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=208, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=206, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=426, PETRI_PLACES=213, PETRI_TRANSITIONS=207} [2024-11-28 02:42:56,171 INFO L279 CegarLoopForPetriNet]: 219 programPoint places, -6 predicate places. [2024-11-28 02:42:56,171 INFO L471 AbstractCegarLoop]: Abstraction has has 213 places, 207 transitions, 426 flow [2024-11-28 02:42:56,171 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 204.33333333333334) internal successors, (613), 3 states have internal predecessors, (613), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:42:56,172 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 02:42:56,172 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] [2024-11-28 02:42:56,172 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-28 02:42:56,174 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE, thread2Err1ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2024-11-28 02:42:56,174 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:42:56,175 INFO L85 PathProgramCache]: Analyzing trace with hash -879382998, now seen corresponding path program 1 times [2024-11-28 02:42:56,175 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:42:56,175 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [40660569] [2024-11-28 02:42:56,175 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:42:56,176 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:42:56,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:42:56,264 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 02:42:56,264 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:42:56,264 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [40660569] [2024-11-28 02:42:56,265 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [40660569] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:42:56,265 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:42:56,265 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 02:42:56,265 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2044006760] [2024-11-28 02:42:56,265 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:42:56,266 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 02:42:56,266 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:42:56,267 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 02:42:56,267 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:42:56,296 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 203 out of 235 [2024-11-28 02:42:56,297 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 213 places, 207 transitions, 426 flow. Second operand has 3 states, 3 states have (on average 204.33333333333334) internal successors, (613), 3 states have internal predecessors, (613), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:42:56,297 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 02:42:56,297 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 203 of 235 [2024-11-28 02:42:56,298 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 02:42:56,979 INFO L124 PetriNetUnfolderBase]: 561/3050 cut-off events. [2024-11-28 02:42:56,979 INFO L125 PetriNetUnfolderBase]: For 57/57 co-relation queries the response was YES. [2024-11-28 02:42:56,997 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3898 conditions, 3050 events. 561/3050 cut-off events. For 57/57 co-relation queries the response was YES. Maximal size of possible extension queue 102. Compared 26818 event pairs, 474 based on Foata normal form. 0/2564 useless extension candidates. Maximal degree in co-relation 3864. Up to 733 conditions per place. [2024-11-28 02:42:57,017 INFO L140 encePairwiseOnDemand]: 232/235 looper letters, 20 selfloop transitions, 2 changer transitions 0/206 dead transitions. [2024-11-28 02:42:57,017 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 213 places, 206 transitions, 468 flow [2024-11-28 02:42:57,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 02:42:57,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 02:42:57,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 632 transitions. [2024-11-28 02:42:57,020 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8964539007092198 [2024-11-28 02:42:57,021 INFO L175 Difference]: Start difference. First operand has 213 places, 207 transitions, 426 flow. Second operand 3 states and 632 transitions. [2024-11-28 02:42:57,021 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 213 places, 206 transitions, 468 flow [2024-11-28 02:42:57,023 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 211 places, 206 transitions, 464 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 02:42:57,026 INFO L231 Difference]: Finished difference. Result has 211 places, 206 transitions, 424 flow [2024-11-28 02:42:57,027 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=235, PETRI_DIFFERENCE_MINUEND_FLOW=420, PETRI_DIFFERENCE_MINUEND_PLACES=209, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=206, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=204, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=424, PETRI_PLACES=211, PETRI_TRANSITIONS=206} [2024-11-28 02:42:57,028 INFO L279 CegarLoopForPetriNet]: 219 programPoint places, -8 predicate places. [2024-11-28 02:42:57,028 INFO L471 AbstractCegarLoop]: Abstraction has has 211 places, 206 transitions, 424 flow [2024-11-28 02:42:57,028 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 204.33333333333334) internal successors, (613), 3 states have internal predecessors, (613), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:42:57,028 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 02:42:57,029 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] [2024-11-28 02:42:57,029 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-28 02:42:57,029 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE, thread2Err1ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2024-11-28 02:42:57,029 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:42:57,030 INFO L85 PathProgramCache]: Analyzing trace with hash -1772624164, now seen corresponding path program 1 times [2024-11-28 02:42:57,030 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:42:57,030 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [947387451] [2024-11-28 02:42:57,030 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:42:57,030 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:42:57,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:42:57,082 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 02:42:57,082 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:42:57,082 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [947387451] [2024-11-28 02:42:57,082 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [947387451] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:42:57,082 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:42:57,082 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 02:42:57,082 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1813484757] [2024-11-28 02:42:57,082 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:42:57,083 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 02:42:57,083 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:42:57,083 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 02:42:57,083 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:42:57,112 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 203 out of 235 [2024-11-28 02:42:57,113 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 211 places, 206 transitions, 424 flow. Second operand has 3 states, 3 states have (on average 204.33333333333334) internal successors, (613), 3 states have internal predecessors, (613), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:42:57,113 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 02:42:57,113 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 203 of 235 [2024-11-28 02:42:57,114 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 02:42:57,603 INFO L124 PetriNetUnfolderBase]: 543/2599 cut-off events. [2024-11-28 02:42:57,603 INFO L125 PetriNetUnfolderBase]: For 63/63 co-relation queries the response was YES. [2024-11-28 02:42:57,614 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3441 conditions, 2599 events. 543/2599 cut-off events. For 63/63 co-relation queries the response was YES. Maximal size of possible extension queue 98. Compared 21671 event pairs, 474 based on Foata normal form. 0/2181 useless extension candidates. Maximal degree in co-relation 3399. Up to 733 conditions per place. [2024-11-28 02:42:57,630 INFO L140 encePairwiseOnDemand]: 232/235 looper letters, 20 selfloop transitions, 2 changer transitions 0/205 dead transitions. [2024-11-28 02:42:57,630 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 212 places, 205 transitions, 466 flow [2024-11-28 02:42:57,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 02:42:57,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 02:42:57,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 632 transitions. [2024-11-28 02:42:57,634 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8964539007092198 [2024-11-28 02:42:57,634 INFO L175 Difference]: Start difference. First operand has 211 places, 206 transitions, 424 flow. Second operand 3 states and 632 transitions. [2024-11-28 02:42:57,634 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 212 places, 205 transitions, 466 flow [2024-11-28 02:42:57,635 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 210 places, 205 transitions, 462 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 02:42:57,641 INFO L231 Difference]: Finished difference. Result has 210 places, 205 transitions, 422 flow [2024-11-28 02:42:57,641 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=235, PETRI_DIFFERENCE_MINUEND_FLOW=418, PETRI_DIFFERENCE_MINUEND_PLACES=208, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=205, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=203, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=422, PETRI_PLACES=210, PETRI_TRANSITIONS=205} [2024-11-28 02:42:57,642 INFO L279 CegarLoopForPetriNet]: 219 programPoint places, -9 predicate places. [2024-11-28 02:42:57,642 INFO L471 AbstractCegarLoop]: Abstraction has has 210 places, 205 transitions, 422 flow [2024-11-28 02:42:57,643 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 204.33333333333334) internal successors, (613), 3 states have internal predecessors, (613), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:42:57,643 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 02:42:57,643 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] [2024-11-28 02:42:57,643 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-28 02:42:57,643 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE, thread2Err1ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2024-11-28 02:42:57,644 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:42:57,644 INFO L85 PathProgramCache]: Analyzing trace with hash -1586379333, now seen corresponding path program 1 times [2024-11-28 02:42:57,644 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:42:57,644 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [376133961] [2024-11-28 02:42:57,644 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:42:57,645 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:42:57,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:42:57,725 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 02:42:57,725 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:42:57,725 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [376133961] [2024-11-28 02:42:57,726 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [376133961] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:42:57,726 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:42:57,726 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 02:42:57,726 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2105207015] [2024-11-28 02:42:57,726 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:42:57,727 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 02:42:57,727 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:42:57,728 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 02:42:57,728 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:42:57,757 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 203 out of 235 [2024-11-28 02:42:57,758 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 210 places, 205 transitions, 422 flow. Second operand has 3 states, 3 states have (on average 204.33333333333334) internal successors, (613), 3 states have internal predecessors, (613), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:42:57,758 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 02:42:57,759 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 203 of 235 [2024-11-28 02:42:57,759 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 02:42:58,296 INFO L124 PetriNetUnfolderBase]: 531/3264 cut-off events. [2024-11-28 02:42:58,297 INFO L125 PetriNetUnfolderBase]: For 65/65 co-relation queries the response was YES. [2024-11-28 02:42:58,309 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4014 conditions, 3264 events. 531/3264 cut-off events. For 65/65 co-relation queries the response was YES. Maximal size of possible extension queue 98. Compared 29258 event pairs, 434 based on Foata normal form. 0/2760 useless extension candidates. Maximal degree in co-relation 3964. Up to 677 conditions per place. [2024-11-28 02:42:58,323 INFO L140 encePairwiseOnDemand]: 232/235 looper letters, 20 selfloop transitions, 2 changer transitions 0/204 dead transitions. [2024-11-28 02:42:58,323 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 211 places, 204 transitions, 464 flow [2024-11-28 02:42:58,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 02:42:58,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 02:42:58,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 632 transitions. [2024-11-28 02:42:58,329 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8964539007092198 [2024-11-28 02:42:58,331 INFO L175 Difference]: Start difference. First operand has 210 places, 205 transitions, 422 flow. Second operand 3 states and 632 transitions. [2024-11-28 02:42:58,331 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 211 places, 204 transitions, 464 flow [2024-11-28 02:42:58,333 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 209 places, 204 transitions, 460 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 02:42:58,335 INFO L231 Difference]: Finished difference. Result has 209 places, 204 transitions, 420 flow [2024-11-28 02:42:58,336 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=235, PETRI_DIFFERENCE_MINUEND_FLOW=416, PETRI_DIFFERENCE_MINUEND_PLACES=207, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=204, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=202, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=420, PETRI_PLACES=209, PETRI_TRANSITIONS=204} [2024-11-28 02:42:58,337 INFO L279 CegarLoopForPetriNet]: 219 programPoint places, -10 predicate places. [2024-11-28 02:42:58,338 INFO L471 AbstractCegarLoop]: Abstraction has has 209 places, 204 transitions, 420 flow [2024-11-28 02:42:58,339 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 204.33333333333334) internal successors, (613), 3 states have internal predecessors, (613), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:42:58,339 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 02:42:58,339 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] [2024-11-28 02:42:58,340 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-28 02:42:58,340 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE, thread2Err1ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2024-11-28 02:42:58,341 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:42:58,341 INFO L85 PathProgramCache]: Analyzing trace with hash 2145211804, now seen corresponding path program 1 times [2024-11-28 02:42:58,341 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:42:58,342 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [801244092] [2024-11-28 02:42:58,342 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:42:58,342 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:42:58,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:42:58,440 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 02:42:58,440 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:42:58,441 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [801244092] [2024-11-28 02:42:58,441 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [801244092] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:42:58,441 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:42:58,441 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 02:42:58,441 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1894351304] [2024-11-28 02:42:58,441 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:42:58,441 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 02:42:58,442 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:42:58,442 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 02:42:58,442 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:42:58,470 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 205 out of 235 [2024-11-28 02:42:58,471 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 209 places, 204 transitions, 420 flow. Second operand has 3 states, 3 states have (on average 207.0) internal successors, (621), 3 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:42:58,471 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 02:42:58,471 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 205 of 235 [2024-11-28 02:42:58,472 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 02:42:59,045 INFO L124 PetriNetUnfolderBase]: 767/3562 cut-off events. [2024-11-28 02:42:59,045 INFO L125 PetriNetUnfolderBase]: For 33/33 co-relation queries the response was YES. [2024-11-28 02:42:59,058 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4781 conditions, 3562 events. 767/3562 cut-off events. For 33/33 co-relation queries the response was YES. Maximal size of possible extension queue 131. Compared 32948 event pairs, 515 based on Foata normal form. 0/3030 useless extension candidates. Maximal degree in co-relation 4723. Up to 796 conditions per place. [2024-11-28 02:42:59,074 INFO L140 encePairwiseOnDemand]: 232/235 looper letters, 28 selfloop transitions, 2 changer transitions 0/212 dead transitions. [2024-11-28 02:42:59,074 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 210 places, 212 transitions, 500 flow [2024-11-28 02:42:59,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 02:42:59,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 02:42:59,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 646 transitions. [2024-11-28 02:42:59,076 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9163120567375886 [2024-11-28 02:42:59,076 INFO L175 Difference]: Start difference. First operand has 209 places, 204 transitions, 420 flow. Second operand 3 states and 646 transitions. [2024-11-28 02:42:59,076 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 210 places, 212 transitions, 500 flow [2024-11-28 02:42:59,078 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 208 places, 212 transitions, 496 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 02:42:59,080 INFO L231 Difference]: Finished difference. Result has 208 places, 203 transitions, 418 flow [2024-11-28 02:42:59,080 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=235, PETRI_DIFFERENCE_MINUEND_FLOW=414, PETRI_DIFFERENCE_MINUEND_PLACES=206, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=203, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=201, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=418, PETRI_PLACES=208, PETRI_TRANSITIONS=203} [2024-11-28 02:42:59,081 INFO L279 CegarLoopForPetriNet]: 219 programPoint places, -11 predicate places. [2024-11-28 02:42:59,081 INFO L471 AbstractCegarLoop]: Abstraction has has 208 places, 203 transitions, 418 flow [2024-11-28 02:42:59,082 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 207.0) internal successors, (621), 3 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:42:59,082 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 02:42:59,082 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] [2024-11-28 02:42:59,082 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-28 02:42:59,082 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting thread1Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE, thread2Err1ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2024-11-28 02:42:59,083 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:42:59,083 INFO L85 PathProgramCache]: Analyzing trace with hash 12936735, now seen corresponding path program 1 times [2024-11-28 02:42:59,083 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:42:59,083 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1116656563] [2024-11-28 02:42:59,083 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:42:59,083 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:42:59,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:42:59,156 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 02:42:59,157 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:42:59,157 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1116656563] [2024-11-28 02:42:59,157 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1116656563] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:42:59,157 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:42:59,157 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 02:42:59,157 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [23037623] [2024-11-28 02:42:59,158 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:42:59,158 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 02:42:59,158 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:42:59,159 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 02:42:59,159 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:42:59,174 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 207 out of 235 [2024-11-28 02:42:59,175 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 208 places, 203 transitions, 418 flow. Second operand has 3 states, 3 states have (on average 209.0) internal successors, (627), 3 states have internal predecessors, (627), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:42:59,175 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 02:42:59,175 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 207 of 235 [2024-11-28 02:42:59,175 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 02:42:59,548 INFO L124 PetriNetUnfolderBase]: 563/2526 cut-off events. [2024-11-28 02:42:59,548 INFO L125 PetriNetUnfolderBase]: For 67/67 co-relation queries the response was YES. [2024-11-28 02:42:59,561 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3507 conditions, 2526 events. 563/2526 cut-off events. For 67/67 co-relation queries the response was YES. Maximal size of possible extension queue 105. Compared 21785 event pairs, 204 based on Foata normal form. 0/2198 useless extension candidates. Maximal degree in co-relation 2358. Up to 470 conditions per place. [2024-11-28 02:42:59,575 INFO L140 encePairwiseOnDemand]: 233/235 looper letters, 27 selfloop transitions, 1 changer transitions 0/211 dead transitions. [2024-11-28 02:42:59,575 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 209 places, 211 transitions, 494 flow [2024-11-28 02:42:59,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 02:42:59,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 02:42:59,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 650 transitions. [2024-11-28 02:42:59,578 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9219858156028369 [2024-11-28 02:42:59,578 INFO L175 Difference]: Start difference. First operand has 208 places, 203 transitions, 418 flow. Second operand 3 states and 650 transitions. [2024-11-28 02:42:59,578 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 209 places, 211 transitions, 494 flow [2024-11-28 02:42:59,580 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 207 places, 211 transitions, 490 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 02:42:59,582 INFO L231 Difference]: Finished difference. Result has 207 places, 202 transitions, 414 flow [2024-11-28 02:42:59,583 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=235, PETRI_DIFFERENCE_MINUEND_FLOW=412, PETRI_DIFFERENCE_MINUEND_PLACES=205, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=202, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=201, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=414, PETRI_PLACES=207, PETRI_TRANSITIONS=202} [2024-11-28 02:42:59,584 INFO L279 CegarLoopForPetriNet]: 219 programPoint places, -12 predicate places. [2024-11-28 02:42:59,585 INFO L471 AbstractCegarLoop]: Abstraction has has 207 places, 202 transitions, 414 flow [2024-11-28 02:42:59,586 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 209.0) internal successors, (627), 3 states have internal predecessors, (627), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:42:59,586 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 02:42:59,586 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] [2024-11-28 02:42:59,586 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-28 02:42:59,586 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting thread2Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE, thread2Err1ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2024-11-28 02:42:59,587 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:42:59,588 INFO L85 PathProgramCache]: Analyzing trace with hash -1900918386, now seen corresponding path program 1 times [2024-11-28 02:42:59,588 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:42:59,589 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [552467123] [2024-11-28 02:42:59,589 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:42:59,589 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:42:59,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:42:59,678 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 02:42:59,679 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:42:59,679 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [552467123] [2024-11-28 02:42:59,679 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [552467123] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:42:59,679 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:42:59,679 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 02:42:59,679 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [64366519] [2024-11-28 02:42:59,679 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:42:59,683 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 02:42:59,684 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:42:59,684 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 02:42:59,684 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:42:59,708 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 205 out of 235 [2024-11-28 02:42:59,709 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 207 places, 202 transitions, 414 flow. Second operand has 3 states, 3 states have (on average 207.33333333333334) internal successors, (622), 3 states have internal predecessors, (622), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:42:59,709 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 02:42:59,709 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 205 of 235 [2024-11-28 02:42:59,709 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 02:43:00,264 INFO L124 PetriNetUnfolderBase]: 875/3414 cut-off events. [2024-11-28 02:43:00,264 INFO L125 PetriNetUnfolderBase]: For 81/81 co-relation queries the response was YES. [2024-11-28 02:43:00,281 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4776 conditions, 3414 events. 875/3414 cut-off events. For 81/81 co-relation queries the response was YES. Maximal size of possible extension queue 136. Compared 30018 event pairs, 575 based on Foata normal form. 0/2910 useless extension candidates. Maximal degree in co-relation 3540. Up to 880 conditions per place. [2024-11-28 02:43:00,299 INFO L140 encePairwiseOnDemand]: 232/235 looper letters, 28 selfloop transitions, 2 changer transitions 0/210 dead transitions. [2024-11-28 02:43:00,300 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 208 places, 210 transitions, 494 flow [2024-11-28 02:43:00,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 02:43:00,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 02:43:00,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 646 transitions. [2024-11-28 02:43:00,302 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9163120567375886 [2024-11-28 02:43:00,303 INFO L175 Difference]: Start difference. First operand has 207 places, 202 transitions, 414 flow. Second operand 3 states and 646 transitions. [2024-11-28 02:43:00,303 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 208 places, 210 transitions, 494 flow [2024-11-28 02:43:00,304 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 207 places, 210 transitions, 493 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-28 02:43:00,307 INFO L231 Difference]: Finished difference. Result has 207 places, 201 transitions, 415 flow [2024-11-28 02:43:00,308 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=235, PETRI_DIFFERENCE_MINUEND_FLOW=411, PETRI_DIFFERENCE_MINUEND_PLACES=205, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=201, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=199, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=415, PETRI_PLACES=207, PETRI_TRANSITIONS=201} [2024-11-28 02:43:00,309 INFO L279 CegarLoopForPetriNet]: 219 programPoint places, -12 predicate places. [2024-11-28 02:43:00,309 INFO L471 AbstractCegarLoop]: Abstraction has has 207 places, 201 transitions, 415 flow [2024-11-28 02:43:00,309 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 207.33333333333334) internal successors, (622), 3 states have internal predecessors, (622), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:43:00,310 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 02:43:00,310 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] [2024-11-28 02:43:00,310 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-28 02:43:00,310 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting thread2Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE, thread2Err1ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2024-11-28 02:43:00,311 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:43:00,311 INFO L85 PathProgramCache]: Analyzing trace with hash -213432431, now seen corresponding path program 1 times [2024-11-28 02:43:00,311 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:43:00,311 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [302788871] [2024-11-28 02:43:00,311 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:43:00,311 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:43:00,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:43:00,389 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 02:43:00,390 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:43:00,390 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [302788871] [2024-11-28 02:43:00,390 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [302788871] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:43:00,390 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:43:00,390 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 02:43:00,391 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [67558024] [2024-11-28 02:43:00,391 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:43:00,391 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 02:43:00,392 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:43:00,392 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 02:43:00,392 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:43:00,407 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 207 out of 235 [2024-11-28 02:43:00,408 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 207 places, 201 transitions, 415 flow. Second operand has 3 states, 3 states have (on average 209.33333333333334) internal successors, (628), 3 states have internal predecessors, (628), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:43:00,408 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 02:43:00,408 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 207 of 235 [2024-11-28 02:43:00,408 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 02:43:00,908 INFO L124 PetriNetUnfolderBase]: 652/2799 cut-off events. [2024-11-28 02:43:00,908 INFO L125 PetriNetUnfolderBase]: For 112/112 co-relation queries the response was YES. [2024-11-28 02:43:00,921 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3891 conditions, 2799 events. 652/2799 cut-off events. For 112/112 co-relation queries the response was YES. Maximal size of possible extension queue 110. Compared 23752 event pairs, 323 based on Foata normal form. 0/2454 useless extension candidates. Maximal degree in co-relation 2821. Up to 473 conditions per place. [2024-11-28 02:43:00,935 INFO L140 encePairwiseOnDemand]: 233/235 looper letters, 27 selfloop transitions, 1 changer transitions 0/209 dead transitions. [2024-11-28 02:43:00,935 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 208 places, 209 transitions, 491 flow [2024-11-28 02:43:00,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 02:43:00,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 02:43:00,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 650 transitions. [2024-11-28 02:43:00,938 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9219858156028369 [2024-11-28 02:43:00,938 INFO L175 Difference]: Start difference. First operand has 207 places, 201 transitions, 415 flow. Second operand 3 states and 650 transitions. [2024-11-28 02:43:00,938 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 208 places, 209 transitions, 491 flow [2024-11-28 02:43:00,941 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 206 places, 209 transitions, 487 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 02:43:00,944 INFO L231 Difference]: Finished difference. Result has 206 places, 200 transitions, 411 flow [2024-11-28 02:43:00,944 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=235, PETRI_DIFFERENCE_MINUEND_FLOW=409, PETRI_DIFFERENCE_MINUEND_PLACES=204, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=200, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=199, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=411, PETRI_PLACES=206, PETRI_TRANSITIONS=200} [2024-11-28 02:43:00,945 INFO L279 CegarLoopForPetriNet]: 219 programPoint places, -13 predicate places. [2024-11-28 02:43:00,945 INFO L471 AbstractCegarLoop]: Abstraction has has 206 places, 200 transitions, 411 flow [2024-11-28 02:43:00,945 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 209.33333333333334) internal successors, (628), 3 states have internal predecessors, (628), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:43:00,946 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 02:43:00,946 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] [2024-11-28 02:43:00,946 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-28 02:43:00,946 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting thread3Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE, thread2Err1ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2024-11-28 02:43:00,947 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:43:00,947 INFO L85 PathProgramCache]: Analyzing trace with hash 2115897202, now seen corresponding path program 1 times [2024-11-28 02:43:00,947 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:43:00,947 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1019194041] [2024-11-28 02:43:00,947 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:43:00,947 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:43:00,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:43:01,020 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 02:43:01,020 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:43:01,020 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1019194041] [2024-11-28 02:43:01,020 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1019194041] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:43:01,020 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:43:01,020 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 02:43:01,021 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2130458670] [2024-11-28 02:43:01,021 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:43:01,021 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 02:43:01,021 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:43:01,022 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 02:43:01,022 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:43:01,040 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 205 out of 235 [2024-11-28 02:43:01,041 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 206 places, 200 transitions, 411 flow. Second operand has 3 states, 3 states have (on average 207.66666666666666) internal successors, (623), 3 states have internal predecessors, (623), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:43:01,041 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 02:43:01,041 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 205 of 235 [2024-11-28 02:43:01,042 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 02:43:01,503 INFO L124 PetriNetUnfolderBase]: 848/2824 cut-off events. [2024-11-28 02:43:01,503 INFO L125 PetriNetUnfolderBase]: For 99/99 co-relation queries the response was YES. [2024-11-28 02:43:01,515 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4193 conditions, 2824 events. 848/2824 cut-off events. For 99/99 co-relation queries the response was YES. Maximal size of possible extension queue 128. Compared 22243 event pairs, 548 based on Foata normal form. 0/2475 useless extension candidates. Maximal degree in co-relation 2912. Up to 880 conditions per place. [2024-11-28 02:43:01,528 INFO L140 encePairwiseOnDemand]: 232/235 looper letters, 28 selfloop transitions, 2 changer transitions 0/208 dead transitions. [2024-11-28 02:43:01,528 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 207 places, 208 transitions, 491 flow [2024-11-28 02:43:01,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 02:43:01,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 02:43:01,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 646 transitions. [2024-11-28 02:43:01,530 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9163120567375886 [2024-11-28 02:43:01,530 INFO L175 Difference]: Start difference. First operand has 206 places, 200 transitions, 411 flow. Second operand 3 states and 646 transitions. [2024-11-28 02:43:01,530 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 207 places, 208 transitions, 491 flow [2024-11-28 02:43:01,532 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 206 places, 208 transitions, 490 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-28 02:43:01,534 INFO L231 Difference]: Finished difference. Result has 206 places, 199 transitions, 412 flow [2024-11-28 02:43:01,534 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=235, PETRI_DIFFERENCE_MINUEND_FLOW=408, PETRI_DIFFERENCE_MINUEND_PLACES=204, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=199, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=197, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=412, PETRI_PLACES=206, PETRI_TRANSITIONS=199} [2024-11-28 02:43:01,535 INFO L279 CegarLoopForPetriNet]: 219 programPoint places, -13 predicate places. [2024-11-28 02:43:01,535 INFO L471 AbstractCegarLoop]: Abstraction has has 206 places, 199 transitions, 412 flow [2024-11-28 02:43:01,536 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 207.66666666666666) internal successors, (623), 3 states have internal predecessors, (623), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:43:01,536 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 02:43:01,536 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] [2024-11-28 02:43:01,536 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-28 02:43:01,536 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting thread3Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE, thread2Err1ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2024-11-28 02:43:01,537 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:43:01,537 INFO L85 PathProgramCache]: Analyzing trace with hash -1457118667, now seen corresponding path program 1 times [2024-11-28 02:43:01,537 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:43:01,537 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1537160871] [2024-11-28 02:43:01,537 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:43:01,537 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:43:01,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:43:01,634 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 02:43:01,634 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:43:01,634 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1537160871] [2024-11-28 02:43:01,634 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1537160871] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:43:01,635 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:43:01,635 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 02:43:01,635 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1294310380] [2024-11-28 02:43:01,635 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:43:01,635 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 02:43:01,635 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:43:01,636 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 02:43:01,636 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:43:01,650 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 207 out of 235 [2024-11-28 02:43:01,651 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 206 places, 199 transitions, 412 flow. Second operand has 3 states, 3 states have (on average 209.66666666666666) internal successors, (629), 3 states have internal predecessors, (629), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:43:01,651 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 02:43:01,651 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 207 of 235 [2024-11-28 02:43:01,651 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 02:43:01,985 INFO L124 PetriNetUnfolderBase]: 637/2464 cut-off events. [2024-11-28 02:43:01,986 INFO L125 PetriNetUnfolderBase]: For 123/123 co-relation queries the response was YES. [2024-11-28 02:43:01,997 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3587 conditions, 2464 events. 637/2464 cut-off events. For 123/123 co-relation queries the response was YES. Maximal size of possible extension queue 103. Compared 19432 event pairs, 297 based on Foata normal form. 0/2219 useless extension candidates. Maximal degree in co-relation 2475. Up to 452 conditions per place. [2024-11-28 02:43:02,006 INFO L140 encePairwiseOnDemand]: 233/235 looper letters, 27 selfloop transitions, 1 changer transitions 0/207 dead transitions. [2024-11-28 02:43:02,007 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 207 places, 207 transitions, 488 flow [2024-11-28 02:43:02,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 02:43:02,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 02:43:02,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 650 transitions. [2024-11-28 02:43:02,009 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9219858156028369 [2024-11-28 02:43:02,009 INFO L175 Difference]: Start difference. First operand has 206 places, 199 transitions, 412 flow. Second operand 3 states and 650 transitions. [2024-11-28 02:43:02,009 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 207 places, 207 transitions, 488 flow [2024-11-28 02:43:02,011 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 205 places, 207 transitions, 484 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 02:43:02,014 INFO L231 Difference]: Finished difference. Result has 205 places, 198 transitions, 408 flow [2024-11-28 02:43:02,014 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=235, PETRI_DIFFERENCE_MINUEND_FLOW=406, PETRI_DIFFERENCE_MINUEND_PLACES=203, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=198, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=197, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=408, PETRI_PLACES=205, PETRI_TRANSITIONS=198} [2024-11-28 02:43:02,015 INFO L279 CegarLoopForPetriNet]: 219 programPoint places, -14 predicate places. [2024-11-28 02:43:02,015 INFO L471 AbstractCegarLoop]: Abstraction has has 205 places, 198 transitions, 408 flow [2024-11-28 02:43:02,015 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 209.66666666666666) internal successors, (629), 3 states have internal predecessors, (629), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:43:02,015 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 02:43:02,015 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] [2024-11-28 02:43:02,015 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-28 02:43:02,016 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting thread4Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE, thread2Err1ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2024-11-28 02:43:02,016 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:43:02,016 INFO L85 PathProgramCache]: Analyzing trace with hash -2117028161, now seen corresponding path program 1 times [2024-11-28 02:43:02,016 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:43:02,016 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2147143439] [2024-11-28 02:43:02,017 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:43:02,017 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:43:02,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:43:02,070 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 02:43:02,072 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:43:02,072 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2147143439] [2024-11-28 02:43:02,072 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2147143439] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:43:02,072 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:43:02,072 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 02:43:02,072 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [552895458] [2024-11-28 02:43:02,073 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:43:02,073 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 02:43:02,073 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:43:02,074 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 02:43:02,074 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:43:02,093 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 205 out of 235 [2024-11-28 02:43:02,094 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 205 places, 198 transitions, 408 flow. Second operand has 3 states, 3 states have (on average 208.0) internal successors, (624), 3 states have internal predecessors, (624), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:43:02,094 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 02:43:02,094 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 205 of 235 [2024-11-28 02:43:02,094 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 02:43:02,509 INFO L124 PetriNetUnfolderBase]: 779/3277 cut-off events. [2024-11-28 02:43:02,510 INFO L125 PetriNetUnfolderBase]: For 104/104 co-relation queries the response was YES. [2024-11-28 02:43:02,525 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4456 conditions, 3277 events. 779/3277 cut-off events. For 104/104 co-relation queries the response was YES. Maximal size of possible extension queue 123. Compared 27715 event pairs, 515 based on Foata normal form. 0/2870 useless extension candidates. Maximal degree in co-relation 3688. Up to 796 conditions per place. [2024-11-28 02:43:02,537 INFO L140 encePairwiseOnDemand]: 232/235 looper letters, 28 selfloop transitions, 2 changer transitions 0/206 dead transitions. [2024-11-28 02:43:02,537 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 206 places, 206 transitions, 487 flow [2024-11-28 02:43:02,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 02:43:02,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 02:43:02,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 646 transitions. [2024-11-28 02:43:02,539 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9163120567375886 [2024-11-28 02:43:02,539 INFO L175 Difference]: Start difference. First operand has 205 places, 198 transitions, 408 flow. Second operand 3 states and 646 transitions. [2024-11-28 02:43:02,539 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 206 places, 206 transitions, 487 flow [2024-11-28 02:43:02,542 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 205 places, 206 transitions, 486 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-28 02:43:02,544 INFO L231 Difference]: Finished difference. Result has 205 places, 197 transitions, 409 flow [2024-11-28 02:43:02,545 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=235, PETRI_DIFFERENCE_MINUEND_FLOW=405, PETRI_DIFFERENCE_MINUEND_PLACES=203, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=197, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=195, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=409, PETRI_PLACES=205, PETRI_TRANSITIONS=197} [2024-11-28 02:43:02,545 INFO L279 CegarLoopForPetriNet]: 219 programPoint places, -14 predicate places. [2024-11-28 02:43:02,545 INFO L471 AbstractCegarLoop]: Abstraction has has 205 places, 197 transitions, 409 flow [2024-11-28 02:43:02,546 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 208.0) internal successors, (624), 3 states have internal predecessors, (624), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:43:02,546 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 02:43:02,546 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] [2024-11-28 02:43:02,546 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-28 02:43:02,546 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting thread4Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE, thread2Err1ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2024-11-28 02:43:02,547 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:43:02,547 INFO L85 PathProgramCache]: Analyzing trace with hash 707989954, now seen corresponding path program 1 times [2024-11-28 02:43:02,547 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:43:02,547 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1383266396] [2024-11-28 02:43:02,547 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:43:02,547 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:43:02,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:43:02,595 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 02:43:02,596 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:43:02,596 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1383266396] [2024-11-28 02:43:02,596 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1383266396] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:43:02,596 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:43:02,596 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 02:43:02,596 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1823021320] [2024-11-28 02:43:02,596 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:43:02,597 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 02:43:02,597 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:43:02,597 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 02:43:02,597 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:43:02,610 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 207 out of 235 [2024-11-28 02:43:02,611 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 205 places, 197 transitions, 409 flow. Second operand has 3 states, 3 states have (on average 210.0) internal successors, (630), 3 states have internal predecessors, (630), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:43:02,611 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 02:43:02,611 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 207 of 235 [2024-11-28 02:43:02,611 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 02:43:02,976 INFO L124 PetriNetUnfolderBase]: 617/2919 cut-off events. [2024-11-28 02:43:02,976 INFO L125 PetriNetUnfolderBase]: For 118/118 co-relation queries the response was YES. [2024-11-28 02:43:02,989 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3897 conditions, 2919 events. 617/2919 cut-off events. For 118/118 co-relation queries the response was YES. Maximal size of possible extension queue 102. Compared 24348 event pairs, 272 based on Foata normal form. 0/2600 useless extension candidates. Maximal degree in co-relation 3129. Up to 433 conditions per place. [2024-11-28 02:43:02,991 INFO L140 encePairwiseOnDemand]: 233/235 looper letters, 0 selfloop transitions, 0 changer transitions 205/205 dead transitions. [2024-11-28 02:43:02,991 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 206 places, 205 transitions, 484 flow [2024-11-28 02:43:02,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 02:43:02,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 02:43:02,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 650 transitions. [2024-11-28 02:43:02,994 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9219858156028369 [2024-11-28 02:43:02,994 INFO L175 Difference]: Start difference. First operand has 205 places, 197 transitions, 409 flow. Second operand 3 states and 650 transitions. [2024-11-28 02:43:02,994 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 206 places, 205 transitions, 484 flow [2024-11-28 02:43:02,996 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 204 places, 205 transitions, 480 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 02:43:02,997 INFO L231 Difference]: Finished difference. Result has 204 places, 0 transitions, 0 flow [2024-11-28 02:43:02,997 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=235, PETRI_DIFFERENCE_MINUEND_FLOW=403, PETRI_DIFFERENCE_MINUEND_PLACES=202, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=196, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=196, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=204, PETRI_TRANSITIONS=0} [2024-11-28 02:43:03,000 INFO L279 CegarLoopForPetriNet]: 219 programPoint places, -15 predicate places. [2024-11-28 02:43:03,000 INFO L471 AbstractCegarLoop]: Abstraction has has 204 places, 0 transitions, 0 flow [2024-11-28 02:43:03,001 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 210.0) internal successors, (630), 3 states have internal predecessors, (630), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:43:03,004 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (23 of 24 remaining) [2024-11-28 02:43:03,007 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (22 of 24 remaining) [2024-11-28 02:43:03,007 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (21 of 24 remaining) [2024-11-28 02:43:03,007 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (20 of 24 remaining) [2024-11-28 02:43:03,007 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (19 of 24 remaining) [2024-11-28 02:43:03,007 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (18 of 24 remaining) [2024-11-28 02:43:03,007 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (17 of 24 remaining) [2024-11-28 02:43:03,007 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (16 of 24 remaining) [2024-11-28 02:43:03,007 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (15 of 24 remaining) [2024-11-28 02:43:03,007 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (14 of 24 remaining) [2024-11-28 02:43:03,008 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (13 of 24 remaining) [2024-11-28 02:43:03,008 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (12 of 24 remaining) [2024-11-28 02:43:03,008 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (11 of 24 remaining) [2024-11-28 02:43:03,008 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (10 of 24 remaining) [2024-11-28 02:43:03,008 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err0ASSERT_VIOLATIONDATA_RACE (9 of 24 remaining) [2024-11-28 02:43:03,008 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err1ASSERT_VIOLATIONDATA_RACE (8 of 24 remaining) [2024-11-28 02:43:03,008 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (7 of 24 remaining) [2024-11-28 02:43:03,008 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (6 of 24 remaining) [2024-11-28 02:43:03,008 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (5 of 24 remaining) [2024-11-28 02:43:03,008 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (4 of 24 remaining) [2024-11-28 02:43:03,008 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (3 of 24 remaining) [2024-11-28 02:43:03,009 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (2 of 24 remaining) [2024-11-28 02:43:03,009 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err0ASSERT_VIOLATIONDATA_RACE (1 of 24 remaining) [2024-11-28 02:43:03,009 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err1ASSERT_VIOLATIONDATA_RACE (0 of 24 remaining) [2024-11-28 02:43:03,009 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-28 02:43:03,009 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:43:03,016 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-28 02:43:03,016 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-28 02:43:03,025 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 02:43:03 BasicIcfg [2024-11-28 02:43:03,025 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-28 02:43:03,026 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-28 02:43:03,026 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-28 02:43:03,026 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-28 02:43:03,027 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:42:54" (3/4) ... [2024-11-28 02:43:03,029 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-11-28 02:43:03,032 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2024-11-28 02:43:03,032 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2024-11-28 02:43:03,033 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2024-11-28 02:43:03,033 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread4 [2024-11-28 02:43:03,040 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2024-11-28 02:43:03,040 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-28 02:43:03,040 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-28 02:43:03,040 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-28 02:43:03,133 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f19adb58-37b0-48a3-b09b-b80a9e65a54b/bin/uautomizer-verify-aQ6SnzHsRB/witness.graphml [2024-11-28 02:43:03,134 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f19adb58-37b0-48a3-b09b-b80a9e65a54b/bin/uautomizer-verify-aQ6SnzHsRB/witness.yml [2024-11-28 02:43:03,134 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-28 02:43:03,134 INFO L158 Benchmark]: Toolchain (without parser) took 9694.40ms. Allocated memory was 142.6MB in the beginning and 713.0MB in the end (delta: 570.4MB). Free memory was 105.2MB in the beginning and 245.0MB in the end (delta: -139.8MB). Peak memory consumption was 429.5MB. Max. memory is 16.1GB. [2024-11-28 02:43:03,135 INFO L158 Benchmark]: CDTParser took 1.48ms. Allocated memory is still 167.8MB. Free memory is still 104.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 02:43:03,135 INFO L158 Benchmark]: CACSL2BoogieTranslator took 245.75ms. Allocated memory is still 142.6MB. Free memory was 105.2MB in the beginning and 93.4MB in the end (delta: 11.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 02:43:03,136 INFO L158 Benchmark]: Boogie Procedure Inliner took 47.97ms. Allocated memory is still 142.6MB. Free memory was 93.4MB in the beginning and 91.4MB in the end (delta: 2.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 02:43:03,136 INFO L158 Benchmark]: Boogie Preprocessor took 41.15ms. Allocated memory is still 142.6MB. Free memory was 91.4MB in the beginning and 90.4MB in the end (delta: 995.3kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 02:43:03,136 INFO L158 Benchmark]: RCFGBuilder took 594.81ms. Allocated memory is still 142.6MB. Free memory was 90.4MB in the beginning and 70.8MB in the end (delta: 19.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-28 02:43:03,136 INFO L158 Benchmark]: TraceAbstraction took 8650.85ms. Allocated memory was 142.6MB in the beginning and 713.0MB in the end (delta: 570.4MB). Free memory was 70.1MB in the beginning and 249.4MB in the end (delta: -179.3MB). Peak memory consumption was 387.6MB. Max. memory is 16.1GB. [2024-11-28 02:43:03,137 INFO L158 Benchmark]: Witness Printer took 107.71ms. Allocated memory is still 713.0MB. Free memory was 249.4MB in the beginning and 245.0MB in the end (delta: 4.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 02:43:03,139 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.48ms. Allocated memory is still 167.8MB. Free memory is still 104.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 245.75ms. Allocated memory is still 142.6MB. Free memory was 105.2MB in the beginning and 93.4MB in the end (delta: 11.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 47.97ms. Allocated memory is still 142.6MB. Free memory was 93.4MB in the beginning and 91.4MB in the end (delta: 2.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 41.15ms. Allocated memory is still 142.6MB. Free memory was 91.4MB in the beginning and 90.4MB in the end (delta: 995.3kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 594.81ms. Allocated memory is still 142.6MB. Free memory was 90.4MB in the beginning and 70.8MB in the end (delta: 19.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 8650.85ms. Allocated memory was 142.6MB in the beginning and 713.0MB in the end (delta: 570.4MB). Free memory was 70.1MB in the beginning and 249.4MB in the end (delta: -179.3MB). Peak memory consumption was 387.6MB. Max. memory is 16.1GB. * Witness Printer took 107.71ms. Allocated memory is still 713.0MB. Free memory was 249.4MB in the beginning and 245.0MB in the end (delta: 4.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 41]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 43]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: 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: 62]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 85]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 86]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 87]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 88]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: 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 - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 9 procedures, 335 locations, 24 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 8.4s, OverallIterations: 12, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 7.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.2s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 266 SdHoareTripleChecker+Valid, 0.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 137 mSDsluCounter, 30 SdHoareTripleChecker+Invalid, 0.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 12 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 605 IncrementalHoareTripleChecker+Invalid, 617 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 12 mSolverCounterUnsat, 30 mSDtfsCounter, 605 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 24 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=449occurred in iteration=0, InterpolantAutomatonStates: 36, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 912 NumberOfCodeBlocks, 912 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 900 ConstructedInterpolants, 0 QuantifiedInterpolants, 924 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 12 InterpolantComputations, 12 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 12 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-28 02:43:03,162 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f19adb58-37b0-48a3-b09b-b80a9e65a54b/bin/uautomizer-verify-aQ6SnzHsRB/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