./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/pthread/reorder_5.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version e7bb482b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e44cb6-5535-4993-b8f9-ab71c87a1ac2/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e44cb6-5535-4993-b8f9-ab71c87a1ac2/bin/uautomizer-verify-WvqO1wxjHP/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e44cb6-5535-4993-b8f9-ab71c87a1ac2/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e44cb6-5535-4993-b8f9-ab71c87a1ac2/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread/reorder_5.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e44cb6-5535-4993-b8f9-ab71c87a1ac2/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e44cb6-5535-4993-b8f9-ab71c87a1ac2/bin/uautomizer-verify-WvqO1wxjHP --witnessprinter.witness.filename witness.graphml --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 898f8e4708144102795278f9f1417651c36b4d3f17c0ba18e240a325ff6101b3 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 22:44:08,815 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 22:44:08,942 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e44cb6-5535-4993-b8f9-ab71c87a1ac2/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-11-06 22:44:08,948 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 22:44:08,949 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 22:44:08,991 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 22:44:08,992 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 22:44:08,992 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 22:44:08,993 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 22:44:08,999 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 22:44:09,000 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 22:44:09,001 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 22:44:09,001 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 22:44:09,003 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 22:44:09,004 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-06 22:44:09,004 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-06 22:44:09,005 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-06 22:44:09,006 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-06 22:44:09,006 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 22:44:09,007 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-06 22:44:09,008 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 22:44:09,009 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-06 22:44:09,009 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-11-06 22:44:09,011 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-06 22:44:09,012 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-06 22:44:09,012 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 22:44:09,013 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 22:44:09,014 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 22:44:09,014 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 22:44:09,015 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 22:44:09,016 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:44:09,033 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 22:44:09,034 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 22:44:09,034 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-11-06 22:44:09,035 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-06 22:44:09,035 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-06 22:44:09,035 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-06 22:44:09,036 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-06 22:44:09,036 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-06 22:44:09,036 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 22:44:09,037 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-06 22:44:09,037 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e44cb6-5535-4993-b8f9-ab71c87a1ac2/bin/uautomizer-verify-WvqO1wxjHP/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e44cb6-5535-4993-b8f9-ab71c87a1ac2/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 898f8e4708144102795278f9f1417651c36b4d3f17c0ba18e240a325ff6101b3 [2023-11-06 22:44:09,431 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 22:44:09,469 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 22:44:09,472 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 22:44:09,473 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 22:44:09,473 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 22:44:09,475 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e44cb6-5535-4993-b8f9-ab71c87a1ac2/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/pthread/reorder_5.i [2023-11-06 22:44:12,715 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 22:44:13,113 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 22:44:13,114 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e44cb6-5535-4993-b8f9-ab71c87a1ac2/sv-benchmarks/c/pthread/reorder_5.i [2023-11-06 22:44:13,141 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e44cb6-5535-4993-b8f9-ab71c87a1ac2/bin/uautomizer-verify-WvqO1wxjHP/data/81f987f2f/740d0f86aac247d18d0e495bfd3609d6/FLAG968316454 [2023-11-06 22:44:13,160 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e44cb6-5535-4993-b8f9-ab71c87a1ac2/bin/uautomizer-verify-WvqO1wxjHP/data/81f987f2f/740d0f86aac247d18d0e495bfd3609d6 [2023-11-06 22:44:13,166 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 22:44:13,168 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 22:44:13,171 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 22:44:13,171 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 22:44:13,177 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 22:44:13,178 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:44:13" (1/1) ... [2023-11-06 22:44:13,179 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@21518c19 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:44:13, skipping insertion in model container [2023-11-06 22:44:13,179 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:44:13" (1/1) ... [2023-11-06 22:44:13,259 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 22:44:14,003 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:44:14,014 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 22:44:14,082 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:44:14,171 WARN L672 CHandler]: The function fprintf is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 22:44:14,179 INFO L206 MainTranslator]: Completed translation [2023-11-06 22:44:14,180 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:44:14 WrapperNode [2023-11-06 22:44:14,180 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 22:44:14,181 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 22:44:14,182 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 22:44:14,182 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 22:44:14,190 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:44:14" (1/1) ... [2023-11-06 22:44:14,216 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:44:14" (1/1) ... [2023-11-06 22:44:14,292 INFO L138 Inliner]: procedures = 371, calls = 48, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 286 [2023-11-06 22:44:14,295 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 22:44:14,296 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 22:44:14,296 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 22:44:14,296 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 22:44:14,306 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:44:14" (1/1) ... [2023-11-06 22:44:14,307 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:44:14" (1/1) ... [2023-11-06 22:44:14,327 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:44:14" (1/1) ... [2023-11-06 22:44:14,340 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:44:14" (1/1) ... [2023-11-06 22:44:14,373 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:44:14" (1/1) ... [2023-11-06 22:44:14,406 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:44:14" (1/1) ... [2023-11-06 22:44:14,410 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:44:14" (1/1) ... [2023-11-06 22:44:14,412 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:44:14" (1/1) ... [2023-11-06 22:44:14,417 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 22:44:14,428 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 22:44:14,429 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 22:44:14,429 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 22:44:14,430 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:44:14" (1/1) ... [2023-11-06 22:44:14,459 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:44:14,491 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e44cb6-5535-4993-b8f9-ab71c87a1ac2/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:44:14,502 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e44cb6-5535-4993-b8f9-ab71c87a1ac2/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 22:44:14,540 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e44cb6-5535-4993-b8f9-ab71c87a1ac2/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 22:44:14,550 INFO L130 BoogieDeclarations]: Found specification of procedure fprintf [2023-11-06 22:44:14,551 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-06 22:44:14,551 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-06 22:44:14,551 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-06 22:44:14,551 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-06 22:44:14,551 INFO L130 BoogieDeclarations]: Found specification of procedure setThread [2023-11-06 22:44:14,552 INFO L138 BoogieDeclarations]: Found implementation of procedure setThread [2023-11-06 22:44:14,552 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-06 22:44:14,552 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 22:44:14,552 INFO L130 BoogieDeclarations]: Found specification of procedure checkThread [2023-11-06 22:44:14,553 INFO L138 BoogieDeclarations]: Found implementation of procedure checkThread [2023-11-06 22:44:14,553 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-06 22:44:14,553 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 22:44:14,555 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 22:44:14,557 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-06 22:44:14,774 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 22:44:14,777 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 22:44:15,398 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 22:44:15,410 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 22:44:15,410 INFO L302 CfgBuilder]: Removed 4 assume(true) statements. [2023-11-06 22:44:15,413 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:44:15 BoogieIcfgContainer [2023-11-06 22:44:15,413 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 22:44:15,415 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 22:44:15,416 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 22:44:15,419 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 22:44:15,419 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 10:44:13" (1/3) ... [2023-11-06 22:44:15,420 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66718f35 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:44:15, skipping insertion in model container [2023-11-06 22:44:15,420 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:44:14" (2/3) ... [2023-11-06 22:44:15,420 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66718f35 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:44:15, skipping insertion in model container [2023-11-06 22:44:15,421 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:44:15" (3/3) ... [2023-11-06 22:44:15,422 INFO L112 eAbstractionObserver]: Analyzing ICFG reorder_5.i [2023-11-06 22:44:15,430 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-06 22:44:15,441 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 22:44:15,441 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 26 error locations. [2023-11-06 22:44:15,441 INFO L519 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-06 22:44:15,526 INFO L144 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2023-11-06 22:44:15,569 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 320 places, 335 transitions, 690 flow [2023-11-06 22:44:15,818 INFO L124 PetriNetUnfolderBase]: 43/669 cut-off events. [2023-11-06 22:44:15,818 INFO L125 PetriNetUnfolderBase]: For 8/8 co-relation queries the response was YES. [2023-11-06 22:44:15,833 INFO L83 FinitePrefix]: Finished finitePrefix Result has 686 conditions, 669 events. 43/669 cut-off events. For 8/8 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 2924 event pairs, 0 based on Foata normal form. 0/568 useless extension candidates. Maximal degree in co-relation 355. Up to 8 conditions per place. [2023-11-06 22:44:15,833 INFO L82 GeneralOperation]: Start removeDead. Operand has 320 places, 335 transitions, 690 flow [2023-11-06 22:44:15,845 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 320 places, 335 transitions, 690 flow [2023-11-06 22:44:15,849 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-11-06 22:44:15,859 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 320 places, 335 transitions, 690 flow [2023-11-06 22:44:15,861 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 320 places, 335 transitions, 690 flow [2023-11-06 22:44:15,861 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 320 places, 335 transitions, 690 flow [2023-11-06 22:44:15,972 INFO L124 PetriNetUnfolderBase]: 43/669 cut-off events. [2023-11-06 22:44:15,973 INFO L125 PetriNetUnfolderBase]: For 8/8 co-relation queries the response was YES. [2023-11-06 22:44:15,976 INFO L83 FinitePrefix]: Finished finitePrefix Result has 686 conditions, 669 events. 43/669 cut-off events. For 8/8 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 2924 event pairs, 0 based on Foata normal form. 0/568 useless extension candidates. Maximal degree in co-relation 355. Up to 8 conditions per place. [2023-11-06 22:44:15,993 INFO L119 LiptonReduction]: Number of co-enabled transitions 15564 [2023-11-06 22:44:59,735 WARN L293 SmtUtils]: Spent 8.56s on a formula simplification that was a NOOP. DAG size: 132 (called from [L 279] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-11-06 22:45:06,445 WARN L293 SmtUtils]: Spent 6.71s on a formula simplification that was a NOOP. DAG size: 123 (called from [L 302] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-11-06 22:45:14,563 WARN L293 SmtUtils]: Spent 8.12s on a formula simplification that was a NOOP. DAG size: 132 (called from [L 279] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-11-06 22:45:21,032 WARN L293 SmtUtils]: Spent 6.47s on a formula simplification that was a NOOP. DAG size: 123 (called from [L 302] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-11-06 22:45:32,171 WARN L293 SmtUtils]: Spent 11.11s on a formula simplification that was a NOOP. DAG size: 152 (called from [L 279] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-11-06 22:45:43,913 WARN L293 SmtUtils]: Spent 11.74s on a formula simplification that was a NOOP. DAG size: 152 (called from [L 302] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-11-06 22:45:54,335 WARN L293 SmtUtils]: Spent 10.42s on a formula simplification that was a NOOP. DAG size: 152 (called from [L 279] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-11-06 22:46:04,353 WARN L293 SmtUtils]: Spent 10.02s on a formula simplification that was a NOOP. DAG size: 152 (called from [L 302] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-11-06 22:46:20,147 WARN L293 SmtUtils]: Spent 15.78s on a formula simplification that was a NOOP. DAG size: 209 (called from [L 279] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-11-06 22:46:35,527 WARN L293 SmtUtils]: Spent 15.38s on a formula simplification that was a NOOP. DAG size: 209 (called from [L 302] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-11-06 22:46:51,112 WARN L293 SmtUtils]: Spent 15.58s on a formula simplification that was a NOOP. DAG size: 209 (called from [L 279] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-11-06 22:47:05,418 WARN L293 SmtUtils]: Spent 14.30s on a formula simplification that was a NOOP. DAG size: 209 (called from [L 302] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-11-06 22:47:43,583 WARN L293 SmtUtils]: Spent 37.51s on a formula simplification. DAG size of input: 233 DAG size of output: 227 (called from [L 279] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-11-06 22:47:58,234 WARN L293 SmtUtils]: Spent 14.65s on a formula simplification that was a NOOP. DAG size: 217 (called from [L 302] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-11-06 22:48:41,567 WARN L293 SmtUtils]: Spent 43.33s on a formula simplification. DAG size of input: 233 DAG size of output: 227 (called from [L 279] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition)