./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/09-regions_11-arraylist_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_96c4a1ca-b16d-4320-a108-b509a73c01ee/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96c4a1ca-b16d-4320-a108-b509a73c01ee/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_96c4a1ca-b16d-4320-a108-b509a73c01ee/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96c4a1ca-b16d-4320-a108-b509a73c01ee/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerReach.xml -i ../../sv-benchmarks/c/goblint-regression/09-regions_11-arraylist_nr.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96c4a1ca-b16d-4320-a108-b509a73c01ee/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_96c4a1ca-b16d-4320-a108-b509a73c01ee/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 c4f9d381010c40c0aeec814019363f065d1b11569cf33ee927950bcd4ef29f20 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 22:28:28,519 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 22:28:28,656 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96c4a1ca-b16d-4320-a108-b509a73c01ee/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-11-06 22:28:28,669 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 22:28:28,669 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 22:28:28,719 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 22:28:28,720 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 22:28:28,721 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 22:28:28,722 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 22:28:28,729 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 22:28:28,731 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 22:28:28,731 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 22:28:28,732 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 22:28:28,734 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 22:28:28,735 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-06 22:28:28,735 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-06 22:28:28,736 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-06 22:28:28,736 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-06 22:28:28,737 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 22:28:28,737 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-06 22:28:28,738 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 22:28:28,739 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-06 22:28:28,739 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-11-06 22:28:28,740 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-06 22:28:28,740 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-06 22:28:28,741 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 22:28:28,741 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 22:28:28,742 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 22:28:28,743 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 22:28:28,743 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 22:28:28,745 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:28:28,746 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 22:28:28,746 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 22:28:28,746 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-11-06 22:28:28,746 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-06 22:28:28,747 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-06 22:28:28,747 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-06 22:28:28,747 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-06 22:28:28,748 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-06 22:28:28,748 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 22:28:28,748 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-06 22:28:28,749 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_96c4a1ca-b16d-4320-a108-b509a73c01ee/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96c4a1ca-b16d-4320-a108-b509a73c01ee/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c4f9d381010c40c0aeec814019363f065d1b11569cf33ee927950bcd4ef29f20 [2023-11-06 22:28:29,115 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 22:28:29,149 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 22:28:29,153 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 22:28:29,155 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 22:28:29,155 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 22:28:29,157 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96c4a1ca-b16d-4320-a108-b509a73c01ee/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/goblint-regression/09-regions_11-arraylist_nr.i [2023-11-06 22:28:32,689 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 22:28:33,083 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 22:28:33,088 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96c4a1ca-b16d-4320-a108-b509a73c01ee/sv-benchmarks/c/goblint-regression/09-regions_11-arraylist_nr.i [2023-11-06 22:28:33,118 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96c4a1ca-b16d-4320-a108-b509a73c01ee/bin/uautomizer-verify-WvqO1wxjHP/data/d59b29957/3d2e193bb6fa4462a38ab16451d485f0/FLAGdfa2321dc [2023-11-06 22:28:33,136 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96c4a1ca-b16d-4320-a108-b509a73c01ee/bin/uautomizer-verify-WvqO1wxjHP/data/d59b29957/3d2e193bb6fa4462a38ab16451d485f0 [2023-11-06 22:28:33,144 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 22:28:33,146 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 22:28:33,153 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 22:28:33,153 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 22:28:33,159 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 22:28:33,160 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:28:33" (1/1) ... [2023-11-06 22:28:33,161 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@29f4b1e0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:28:33, skipping insertion in model container [2023-11-06 22:28:33,161 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:28:33" (1/1) ... [2023-11-06 22:28:33,247 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 22:28:33,936 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:28:33,957 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 22:28:34,031 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:28:34,220 INFO L206 MainTranslator]: Completed translation [2023-11-06 22:28:34,221 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:28:34 WrapperNode [2023-11-06 22:28:34,221 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 22:28:34,223 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 22:28:34,223 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 22:28:34,223 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 22:28:34,234 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:28:34" (1/1) ... [2023-11-06 22:28:34,313 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:28:34" (1/1) ... [2023-11-06 22:28:34,384 INFO L138 Inliner]: procedures = 370, calls = 30, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 239 [2023-11-06 22:28:34,385 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 22:28:34,386 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 22:28:34,386 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 22:28:34,386 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 22:28:34,398 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:28:34" (1/1) ... [2023-11-06 22:28:34,399 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:28:34" (1/1) ... [2023-11-06 22:28:34,417 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:28:34" (1/1) ... [2023-11-06 22:28:34,418 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:28:34" (1/1) ... [2023-11-06 22:28:34,490 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:28:34" (1/1) ... [2023-11-06 22:28:34,495 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:28:34" (1/1) ... [2023-11-06 22:28:34,498 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:28:34" (1/1) ... [2023-11-06 22:28:34,501 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:28:34" (1/1) ... [2023-11-06 22:28:34,519 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 22:28:34,520 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 22:28:34,520 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 22:28:34,520 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 22:28:34,521 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:28:34" (1/1) ... [2023-11-06 22:28:34,535 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:28:34,548 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96c4a1ca-b16d-4320-a108-b509a73c01ee/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:28:34,565 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96c4a1ca-b16d-4320-a108-b509a73c01ee/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 22:28:34,587 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96c4a1ca-b16d-4320-a108-b509a73c01ee/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 22:28:34,618 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-06 22:28:34,619 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-06 22:28:34,619 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-06 22:28:34,619 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-06 22:28:34,619 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-06 22:28:34,620 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-11-06 22:28:34,620 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-06 22:28:34,620 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 22:28:34,620 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-06 22:28:34,621 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2023-11-06 22:28:34,621 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2023-11-06 22:28:34,621 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 22:28:34,621 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 22:28:34,623 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 22:28:34,810 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 22:28:34,813 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 22:28:35,602 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 22:28:35,615 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 22:28:35,615 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-06 22:28:35,618 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:28:35 BoogieIcfgContainer [2023-11-06 22:28:35,618 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 22:28:35,621 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 22:28:35,622 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 22:28:35,625 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 22:28:35,626 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 10:28:33" (1/3) ... [2023-11-06 22:28:35,627 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b24124c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:28:35, skipping insertion in model container [2023-11-06 22:28:35,627 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:28:34" (2/3) ... [2023-11-06 22:28:35,627 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b24124c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:28:35, skipping insertion in model container [2023-11-06 22:28:35,627 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:28:35" (3/3) ... [2023-11-06 22:28:35,629 INFO L112 eAbstractionObserver]: Analyzing ICFG 09-regions_11-arraylist_nr.i [2023-11-06 22:28:35,639 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-06 22:28:35,652 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 22:28:35,652 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 18 error locations. [2023-11-06 22:28:35,652 INFO L519 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-06 22:28:35,820 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-11-06 22:28:35,885 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 280 places, 282 transitions, 568 flow [2023-11-06 22:28:36,075 INFO L124 PetriNetUnfolderBase]: 6/281 cut-off events. [2023-11-06 22:28:36,075 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-06 22:28:36,089 INFO L83 FinitePrefix]: Finished finitePrefix Result has 285 conditions, 281 events. 6/281 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 396 event pairs, 0 based on Foata normal form. 0/257 useless extension candidates. Maximal degree in co-relation 154. Up to 2 conditions per place. [2023-11-06 22:28:36,090 INFO L82 GeneralOperation]: Start removeDead. Operand has 280 places, 282 transitions, 568 flow [2023-11-06 22:28:36,147 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 279 places, 281 transitions, 565 flow [2023-11-06 22:28:36,152 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-11-06 22:28:36,187 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 279 places, 281 transitions, 565 flow [2023-11-06 22:28:36,192 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 279 places, 281 transitions, 565 flow [2023-11-06 22:28:36,193 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 279 places, 281 transitions, 565 flow [2023-11-06 22:28:36,352 INFO L124 PetriNetUnfolderBase]: 6/281 cut-off events. [2023-11-06 22:28:36,353 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-06 22:28:36,354 INFO L83 FinitePrefix]: Finished finitePrefix Result has 285 conditions, 281 events. 6/281 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 396 event pairs, 0 based on Foata normal form. 0/257 useless extension candidates. Maximal degree in co-relation 154. Up to 2 conditions per place. [2023-11-06 22:28:36,364 INFO L119 LiptonReduction]: Number of co-enabled transitions 6586 [2023-11-06 22:29:09,682 WARN L293 SmtUtils]: Spent 10.09s on a formula simplification. DAG size of input: 121 DAG size of output: 119 (called from [L 279] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-11-06 22:29:22,334 WARN L293 SmtUtils]: Spent 10.86s on a formula simplification. DAG size of input: 121 DAG size of output: 119 (called from [L 279] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-11-06 22:29:29,986 WARN L293 SmtUtils]: Spent 5.65s on a formula simplification that was a NOOP. DAG size: 130 (called from [L 279] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-11-06 22:29:50,277 WARN L293 SmtUtils]: Spent 13.39s on a formula simplification. DAG size of input: 127 DAG size of output: 123 (called from [L 279] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-11-06 22:30:06,320 WARN L293 SmtUtils]: Spent 12.33s on a formula simplification. DAG size of input: 127 DAG size of output: 123 (called from [L 279] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-11-06 22:30:39,026 WARN L293 SmtUtils]: Spent 29.41s on a formula simplification. DAG size of input: 174 DAG size of output: 170 (called from [L 279] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-11-06 22:30:45,601 WARN L293 SmtUtils]: Spent 6.57s on a formula simplification that was a NOOP. DAG size: 153 (called from [L 302] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-11-06 22:31:27,709 WARN L293 SmtUtils]: Spent 42.11s on a formula simplification. DAG size of input: 174 DAG size of output: 170 (called from [L 279] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-11-06 22:31:34,810 WARN L293 SmtUtils]: Spent 7.10s on a formula simplification that was a NOOP. DAG size: 153 (called from [L 302] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-11-06 22:32:29,902 WARN L293 SmtUtils]: Spent 55.08s on a formula simplification that was a NOOP. DAG size: 234 (called from [L 279] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-11-06 22:33:04,507 WARN L293 SmtUtils]: Spent 34.60s on a formula simplification that was a NOOP. DAG size: 221 (called from [L 302] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition)