./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/09-regions_24-evilcollapse_nr.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_2c299c5f-aa16-4c3d-bf45-2064cf63b239/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c299c5f-aa16-4c3d-bf45-2064cf63b239/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_2c299c5f-aa16-4c3d-bf45-2064cf63b239/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c299c5f-aa16-4c3d-bf45-2064cf63b239/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerReach.xml -i ../../sv-benchmarks/c/goblint-regression/09-regions_24-evilcollapse_nr.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c299c5f-aa16-4c3d-bf45-2064cf63b239/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_2c299c5f-aa16-4c3d-bf45-2064cf63b239/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 085e9170c725dbfce47ad23ff96af1e2e4188372955794675158fde45968fe8a --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 22:48:11,228 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 22:48:11,297 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c299c5f-aa16-4c3d-bf45-2064cf63b239/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-11-06 22:48:11,302 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 22:48:11,303 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 22:48:11,330 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 22:48:11,331 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 22:48:11,331 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 22:48:11,332 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 22:48:11,333 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 22:48:11,334 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 22:48:11,334 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 22:48:11,335 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 22:48:11,335 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 22:48:11,336 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-06 22:48:11,336 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-06 22:48:11,337 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-06 22:48:11,337 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-06 22:48:11,338 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 22:48:11,339 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-06 22:48:11,339 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 22:48:11,340 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-06 22:48:11,340 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-11-06 22:48:11,341 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-06 22:48:11,341 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-06 22:48:11,342 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 22:48:11,342 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 22:48:11,343 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 22:48:11,343 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 22:48:11,344 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 22:48:11,344 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:48:11,344 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 22:48:11,345 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 22:48:11,345 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-11-06 22:48:11,346 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-06 22:48:11,346 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-06 22:48:11,347 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-06 22:48:11,347 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-06 22:48:11,347 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-06 22:48:11,348 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 22:48:11,348 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-06 22:48:11,352 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_2c299c5f-aa16-4c3d-bf45-2064cf63b239/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c299c5f-aa16-4c3d-bf45-2064cf63b239/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 085e9170c725dbfce47ad23ff96af1e2e4188372955794675158fde45968fe8a [2023-11-06 22:48:11,597 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 22:48:11,636 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 22:48:11,638 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 22:48:11,640 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 22:48:11,640 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 22:48:11,642 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c299c5f-aa16-4c3d-bf45-2064cf63b239/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/goblint-regression/09-regions_24-evilcollapse_nr.i [2023-11-06 22:48:14,718 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 22:48:15,025 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 22:48:15,025 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c299c5f-aa16-4c3d-bf45-2064cf63b239/sv-benchmarks/c/goblint-regression/09-regions_24-evilcollapse_nr.i [2023-11-06 22:48:15,051 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c299c5f-aa16-4c3d-bf45-2064cf63b239/bin/uautomizer-verify-WvqO1wxjHP/data/c3663d720/e464a882db8e4dbe81c15a5c0e004053/FLAG42679fc54 [2023-11-06 22:48:15,069 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c299c5f-aa16-4c3d-bf45-2064cf63b239/bin/uautomizer-verify-WvqO1wxjHP/data/c3663d720/e464a882db8e4dbe81c15a5c0e004053 [2023-11-06 22:48:15,082 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 22:48:15,085 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 22:48:15,088 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 22:48:15,090 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 22:48:15,095 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 22:48:15,098 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:48:15" (1/1) ... [2023-11-06 22:48:15,101 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@618bc5f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:48:15, skipping insertion in model container [2023-11-06 22:48:15,101 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:48:15" (1/1) ... [2023-11-06 22:48:15,157 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 22:48:15,638 WARN L1577 CHandler]: Possible shadowing of function new [2023-11-06 22:48:15,639 WARN L1577 CHandler]: Possible shadowing of function new [2023-11-06 22:48:15,640 WARN L1577 CHandler]: Possible shadowing of function new [2023-11-06 22:48:15,642 WARN L1577 CHandler]: Possible shadowing of function new [2023-11-06 22:48:15,669 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:48:15,690 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 22:48:15,756 WARN L1577 CHandler]: Possible shadowing of function new [2023-11-06 22:48:15,757 WARN L1577 CHandler]: Possible shadowing of function new [2023-11-06 22:48:15,759 WARN L1577 CHandler]: Possible shadowing of function new [2023-11-06 22:48:15,760 WARN L1577 CHandler]: Possible shadowing of function new [2023-11-06 22:48:15,788 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:48:15,857 INFO L206 MainTranslator]: Completed translation [2023-11-06 22:48:15,857 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:48:15 WrapperNode [2023-11-06 22:48:15,858 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 22:48:15,859 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 22:48:15,859 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 22:48:15,859 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 22:48:15,867 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:48:15" (1/1) ... [2023-11-06 22:48:15,895 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:48:15" (1/1) ... [2023-11-06 22:48:15,943 INFO L138 Inliner]: procedures = 273, calls = 38, calls flagged for inlining = 11, calls inlined = 11, statements flattened = 261 [2023-11-06 22:48:15,943 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 22:48:15,944 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 22:48:15,944 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 22:48:15,945 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 22:48:15,954 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:48:15" (1/1) ... [2023-11-06 22:48:15,955 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:48:15" (1/1) ... [2023-11-06 22:48:15,963 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:48:15" (1/1) ... [2023-11-06 22:48:15,964 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:48:15" (1/1) ... [2023-11-06 22:48:16,014 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:48:15" (1/1) ... [2023-11-06 22:48:16,018 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:48:15" (1/1) ... [2023-11-06 22:48:16,022 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:48:15" (1/1) ... [2023-11-06 22:48:16,025 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:48:15" (1/1) ... [2023-11-06 22:48:16,030 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 22:48:16,031 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 22:48:16,032 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 22:48:16,032 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 22:48:16,033 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:48:15" (1/1) ... [2023-11-06 22:48:16,045 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:48:16,059 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c299c5f-aa16-4c3d-bf45-2064cf63b239/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:48:16,078 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c299c5f-aa16-4c3d-bf45-2064cf63b239/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 22:48:16,115 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c299c5f-aa16-4c3d-bf45-2064cf63b239/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 22:48:16,127 INFO L130 BoogieDeclarations]: Found specification of procedure f [2023-11-06 22:48:16,128 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2023-11-06 22:48:16,130 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-06 22:48:16,131 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-06 22:48:16,131 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-06 22:48:16,131 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-06 22:48:16,131 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-06 22:48:16,132 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-11-06 22:48:16,132 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-06 22:48:16,132 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 22:48:16,132 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-06 22:48:16,132 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 22:48:16,133 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 22:48:16,134 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 22:48:16,368 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 22:48:16,370 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 22:48:16,946 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 22:48:16,959 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 22:48:16,959 INFO L302 CfgBuilder]: Removed 4 assume(true) statements. [2023-11-06 22:48:16,962 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:48:16 BoogieIcfgContainer [2023-11-06 22:48:16,963 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 22:48:16,965 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 22:48:16,966 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 22:48:16,969 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 22:48:16,970 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 10:48:15" (1/3) ... [2023-11-06 22:48:16,972 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d76eff1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:48:16, skipping insertion in model container [2023-11-06 22:48:16,972 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:48:15" (2/3) ... [2023-11-06 22:48:16,973 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d76eff1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:48:16, skipping insertion in model container [2023-11-06 22:48:16,973 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:48:16" (3/3) ... [2023-11-06 22:48:16,974 INFO L112 eAbstractionObserver]: Analyzing ICFG 09-regions_24-evilcollapse_nr.i [2023-11-06 22:48:16,983 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-06 22:48:16,993 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 22:48:16,993 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 16 error locations. [2023-11-06 22:48:16,994 INFO L519 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-06 22:48:17,170 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-11-06 22:48:17,236 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 366 places, 376 transitions, 760 flow [2023-11-06 22:48:17,412 INFO L124 PetriNetUnfolderBase]: 17/374 cut-off events. [2023-11-06 22:48:17,413 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-06 22:48:17,424 INFO L83 FinitePrefix]: Finished finitePrefix Result has 381 conditions, 374 events. 17/374 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 814 event pairs, 0 based on Foata normal form. 0/337 useless extension candidates. Maximal degree in co-relation 296. Up to 2 conditions per place. [2023-11-06 22:48:17,425 INFO L82 GeneralOperation]: Start removeDead. Operand has 366 places, 376 transitions, 760 flow [2023-11-06 22:48:17,441 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 364 places, 374 transitions, 754 flow [2023-11-06 22:48:17,449 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-11-06 22:48:17,466 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 364 places, 374 transitions, 754 flow [2023-11-06 22:48:17,469 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 364 places, 374 transitions, 754 flow [2023-11-06 22:48:17,470 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 364 places, 374 transitions, 754 flow [2023-11-06 22:48:17,610 INFO L124 PetriNetUnfolderBase]: 17/374 cut-off events. [2023-11-06 22:48:17,611 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-06 22:48:17,617 INFO L83 FinitePrefix]: Finished finitePrefix Result has 381 conditions, 374 events. 17/374 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 813 event pairs, 0 based on Foata normal form. 0/337 useless extension candidates. Maximal degree in co-relation 296. Up to 2 conditions per place. [2023-11-06 22:48:17,628 INFO L119 LiptonReduction]: Number of co-enabled transitions 13110 [2023-11-06 22:48:48,680 WARN L293 SmtUtils]: Spent 7.92s on a formula simplification. DAG size of input: 110 DAG size of output: 104 (called from [L 279] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-11-06 22:48:58,474 WARN L293 SmtUtils]: Spent 7.29s on a formula simplification. DAG size of input: 110 DAG size of output: 104 (called from [L 279] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-11-06 22:49:14,714 WARN L293 SmtUtils]: Spent 6.79s on a formula simplification that was a NOOP. DAG size: 127 (called from [L 279] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-11-06 22:49:20,487 WARN L293 SmtUtils]: Spent 5.77s 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 22:49:26,696 WARN L293 SmtUtils]: Spent 6.21s on a formula simplification that was a NOOP. DAG size: 127 (called from [L 279] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-11-06 22:49:32,287 WARN L293 SmtUtils]: Spent 5.59s 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 22:49:41,583 WARN L293 SmtUtils]: Spent 6.32s on a formula simplification that was a NOOP. DAG size: 124 (called from [L 279] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-11-06 22:50:41,951 WARN L293 SmtUtils]: Spent 56.96s on a formula simplification that was a NOOP. DAG size: 222 (called from [L 279] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-11-06 22:51:28,828 WARN L293 SmtUtils]: Spent 46.87s on a formula simplification that was a NOOP. DAG size: 208 (called from [L 302] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition)