./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/09-regions_13-arraycollapse_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_1f1f34db-cb9d-4cb2-9679-5f05ee195d07/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f1f34db-cb9d-4cb2-9679-5f05ee195d07/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_1f1f34db-cb9d-4cb2-9679-5f05ee195d07/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f1f34db-cb9d-4cb2-9679-5f05ee195d07/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerReach.xml -i ../../sv-benchmarks/c/goblint-regression/09-regions_13-arraycollapse_nr.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f1f34db-cb9d-4cb2-9679-5f05ee195d07/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_1f1f34db-cb9d-4cb2-9679-5f05ee195d07/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 b018c23c1a90f89310fc4f08bf16b02660af5a398ccd47f63d319e7a234c112b --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 22:59:09,750 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 22:59:09,861 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f1f34db-cb9d-4cb2-9679-5f05ee195d07/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-11-06 22:59:09,872 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 22:59:09,873 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 22:59:09,912 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 22:59:09,916 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 22:59:09,917 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 22:59:09,918 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 22:59:09,923 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 22:59:09,924 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 22:59:09,925 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 22:59:09,925 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 22:59:09,927 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 22:59:09,928 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-06 22:59:09,928 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-06 22:59:09,929 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-06 22:59:09,929 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-06 22:59:09,930 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 22:59:09,930 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-06 22:59:09,931 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 22:59:09,931 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-06 22:59:09,932 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-11-06 22:59:09,932 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-06 22:59:09,933 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-06 22:59:09,933 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 22:59:09,933 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 22:59:09,934 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 22:59:09,935 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 22:59:09,935 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 22:59:09,937 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:59:09,937 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 22:59:09,938 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 22:59:09,938 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-11-06 22:59:09,938 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-06 22:59:09,938 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-06 22:59:09,939 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-06 22:59:09,939 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-06 22:59:09,939 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-06 22:59:09,939 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 22:59:09,940 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-06 22:59:09,940 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_1f1f34db-cb9d-4cb2-9679-5f05ee195d07/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f1f34db-cb9d-4cb2-9679-5f05ee195d07/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b018c23c1a90f89310fc4f08bf16b02660af5a398ccd47f63d319e7a234c112b [2023-11-06 22:59:10,274 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 22:59:10,309 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 22:59:10,312 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 22:59:10,314 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 22:59:10,314 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 22:59:10,315 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f1f34db-cb9d-4cb2-9679-5f05ee195d07/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/goblint-regression/09-regions_13-arraycollapse_nr.i [2023-11-06 22:59:13,602 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 22:59:13,975 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 22:59:13,978 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f1f34db-cb9d-4cb2-9679-5f05ee195d07/sv-benchmarks/c/goblint-regression/09-regions_13-arraycollapse_nr.i [2023-11-06 22:59:14,009 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f1f34db-cb9d-4cb2-9679-5f05ee195d07/bin/uautomizer-verify-WvqO1wxjHP/data/91c27ba16/9ed0cac1da0e4759bb6c30b7e25c1539/FLAGaa65d5a4c [2023-11-06 22:59:14,029 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f1f34db-cb9d-4cb2-9679-5f05ee195d07/bin/uautomizer-verify-WvqO1wxjHP/data/91c27ba16/9ed0cac1da0e4759bb6c30b7e25c1539 [2023-11-06 22:59:14,039 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 22:59:14,041 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 22:59:14,046 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 22:59:14,047 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 22:59:14,053 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 22:59:14,054 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:59:14" (1/1) ... [2023-11-06 22:59:14,055 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3fbfbd57 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:59:14, skipping insertion in model container [2023-11-06 22:59:14,055 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:59:14" (1/1) ... [2023-11-06 22:59:14,117 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 22:59:14,875 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:59:14,910 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 22:59:15,056 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:59:15,165 INFO L206 MainTranslator]: Completed translation [2023-11-06 22:59:15,166 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:59:15 WrapperNode [2023-11-06 22:59:15,167 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 22:59:15,168 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 22:59:15,169 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 22:59:15,169 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 22:59:15,177 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:59:15" (1/1) ... [2023-11-06 22:59:15,234 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:59:15" (1/1) ... [2023-11-06 22:59:15,315 INFO L138 Inliner]: procedures = 370, calls = 37, calls flagged for inlining = 14, calls inlined = 14, statements flattened = 356 [2023-11-06 22:59:15,315 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 22:59:15,316 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 22:59:15,316 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 22:59:15,316 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 22:59:15,327 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:59:15" (1/1) ... [2023-11-06 22:59:15,327 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:59:15" (1/1) ... [2023-11-06 22:59:15,350 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:59:15" (1/1) ... [2023-11-06 22:59:15,355 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:59:15" (1/1) ... [2023-11-06 22:59:15,424 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:59:15" (1/1) ... [2023-11-06 22:59:15,429 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:59:15" (1/1) ... [2023-11-06 22:59:15,441 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:59:15" (1/1) ... [2023-11-06 22:59:15,452 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:59:15" (1/1) ... [2023-11-06 22:59:15,457 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 22:59:15,458 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 22:59:15,459 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 22:59:15,459 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 22:59:15,460 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:59:15" (1/1) ... [2023-11-06 22:59:15,467 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:59:15,483 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f1f34db-cb9d-4cb2-9679-5f05ee195d07/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:59:15,498 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f1f34db-cb9d-4cb2-9679-5f05ee195d07/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 22:59:15,533 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f1f34db-cb9d-4cb2-9679-5f05ee195d07/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 22:59:15,547 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-06 22:59:15,548 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-06 22:59:15,548 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-06 22:59:15,548 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-06 22:59:15,548 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-06 22:59:15,549 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-11-06 22:59:15,549 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-06 22:59:15,550 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 22:59:15,550 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-06 22:59:15,550 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2023-11-06 22:59:15,550 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2023-11-06 22:59:15,550 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 22:59:15,551 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 22:59:15,552 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 22:59:15,798 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 22:59:15,801 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 22:59:16,673 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 22:59:16,696 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 22:59:16,698 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-06 22:59:16,702 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:59:16 BoogieIcfgContainer [2023-11-06 22:59:16,702 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 22:59:16,705 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 22:59:16,705 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 22:59:16,709 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 22:59:16,710 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 10:59:14" (1/3) ... [2023-11-06 22:59:16,711 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@370f1831 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:59:16, skipping insertion in model container [2023-11-06 22:59:16,711 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:59:15" (2/3) ... [2023-11-06 22:59:16,713 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@370f1831 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:59:16, skipping insertion in model container [2023-11-06 22:59:16,713 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:59:16" (3/3) ... [2023-11-06 22:59:16,714 INFO L112 eAbstractionObserver]: Analyzing ICFG 09-regions_13-arraycollapse_nr.i [2023-11-06 22:59:16,724 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-06 22:59:16,734 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 22:59:16,735 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 30 error locations. [2023-11-06 22:59:16,735 INFO L519 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-06 22:59:16,912 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-11-06 22:59:16,975 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 429 places, 430 transitions, 864 flow [2023-11-06 22:59:17,194 INFO L124 PetriNetUnfolderBase]: 5/429 cut-off events. [2023-11-06 22:59:17,195 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-06 22:59:17,202 INFO L83 FinitePrefix]: Finished finitePrefix Result has 433 conditions, 429 events. 5/429 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 363 event pairs, 0 based on Foata normal form. 0/394 useless extension candidates. Maximal degree in co-relation 302. Up to 2 conditions per place. [2023-11-06 22:59:17,202 INFO L82 GeneralOperation]: Start removeDead. Operand has 429 places, 430 transitions, 864 flow [2023-11-06 22:59:17,215 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 428 places, 429 transitions, 861 flow [2023-11-06 22:59:17,218 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-11-06 22:59:17,228 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 428 places, 429 transitions, 861 flow [2023-11-06 22:59:17,231 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 428 places, 429 transitions, 861 flow [2023-11-06 22:59:17,231 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 428 places, 429 transitions, 861 flow [2023-11-06 22:59:17,308 INFO L124 PetriNetUnfolderBase]: 5/429 cut-off events. [2023-11-06 22:59:17,309 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-06 22:59:17,310 INFO L83 FinitePrefix]: Finished finitePrefix Result has 433 conditions, 429 events. 5/429 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 363 event pairs, 0 based on Foata normal form. 0/394 useless extension candidates. Maximal degree in co-relation 302. Up to 2 conditions per place. [2023-11-06 22:59:17,318 INFO L119 LiptonReduction]: Number of co-enabled transitions 6586 [2023-11-06 23:00:41,692 WARN L293 SmtUtils]: Spent 18.52s on a formula simplification that was a NOOP. DAG size: 149 (called from [L 279] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-11-06 23:00:56,596 WARN L293 SmtUtils]: Spent 14.90s on a formula simplification that was a NOOP. DAG size: 143 (called from [L 302] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-11-06 23:01:14,948 WARN L293 SmtUtils]: Spent 18.35s on a formula simplification that was a NOOP. DAG size: 149 (called from [L 279] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-11-06 23:01:32,754 WARN L293 SmtUtils]: Spent 17.80s on a formula simplification that was a NOOP. DAG size: 143 (called from [L 302] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-11-06 23:01:40,328 WARN L293 SmtUtils]: Spent 7.56s on a formula simplification that was a NOOP. DAG size: 161 (called from [L 279] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-11-06 23:01:51,125 WARN L293 SmtUtils]: Spent 10.79s on a formula simplification that was a NOOP. DAG size: 150 (called from [L 302] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-11-06 23:02:00,971 WARN L293 SmtUtils]: Spent 9.84s on a formula simplification that was a NOOP. DAG size: 161 (called from [L 279] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-11-06 23:02:06,318 WARN L293 SmtUtils]: Spent 5.35s on a formula simplification that was a NOOP. DAG size: 143 (called from [L 302] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-11-06 23:02:16,918 WARN L293 SmtUtils]: Spent 10.53s on a formula simplification that was a NOOP. DAG size: 134 (called from [L 279] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-11-06 23:02:25,002 WARN L293 SmtUtils]: Spent 8.08s on a formula simplification that was a NOOP. DAG size: 128 (called from [L 302] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-11-06 23:02:35,406 WARN L293 SmtUtils]: Spent 10.40s on a formula simplification that was a NOOP. DAG size: 134 (called from [L 279] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-11-06 23:02:43,740 WARN L293 SmtUtils]: Spent 8.33s on a formula simplification that was a NOOP. DAG size: 128 (called from [L 302] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-11-06 23:03:23,702 WARN L293 SmtUtils]: Spent 39.94s on a formula simplification that was a NOOP. DAG size: 238 (called from [L 279] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition)