./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/09-regions_20-arrayloop2_rc.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version e7bb482b Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c32446f8-8c45-42c9-82ee-1c5a6e2f5fe7/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c32446f8-8c45-42c9-82ee-1c5a6e2f5fe7/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_c32446f8-8c45-42c9-82ee-1c5a6e2f5fe7/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c32446f8-8c45-42c9-82ee-1c5a6e2f5fe7/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerReach.xml -i ../../sv-benchmarks/c/goblint-regression/09-regions_20-arrayloop2_rc.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c32446f8-8c45-42c9-82ee-1c5a6e2f5fe7/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_c32446f8-8c45-42c9-82ee-1c5a6e2f5fe7/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 8ffb6ed4cf93a465c15dff37fbdc82f2f1bfe68c16d8d908373acd9cd0f46e43 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 23:03:28,567 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 23:03:28,692 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c32446f8-8c45-42c9-82ee-1c5a6e2f5fe7/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-11-06 23:03:28,705 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 23:03:28,706 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 23:03:28,746 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 23:03:28,748 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 23:03:28,748 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 23:03:28,749 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 23:03:28,754 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 23:03:28,756 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 23:03:28,757 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 23:03:28,757 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 23:03:28,759 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 23:03:28,759 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-06 23:03:28,760 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-06 23:03:28,760 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-06 23:03:28,761 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-06 23:03:28,761 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 23:03:28,762 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-06 23:03:28,762 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 23:03:28,763 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-06 23:03:28,763 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-11-06 23:03:28,764 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-06 23:03:28,764 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-06 23:03:28,764 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 23:03:28,765 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 23:03:28,766 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 23:03:28,766 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 23:03:28,767 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 23:03:28,768 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 23:03:28,769 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 23:03:28,769 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 23:03:28,769 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-11-06 23:03:28,770 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-06 23:03:28,770 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-06 23:03:28,770 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-06 23:03:28,770 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-06 23:03:28,771 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-06 23:03:28,771 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 23:03:28,771 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-06 23:03:28,772 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_c32446f8-8c45-42c9-82ee-1c5a6e2f5fe7/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c32446f8-8c45-42c9-82ee-1c5a6e2f5fe7/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8ffb6ed4cf93a465c15dff37fbdc82f2f1bfe68c16d8d908373acd9cd0f46e43 [2023-11-06 23:03:29,061 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 23:03:29,093 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 23:03:29,095 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 23:03:29,097 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 23:03:29,098 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 23:03:29,099 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c32446f8-8c45-42c9-82ee-1c5a6e2f5fe7/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/goblint-regression/09-regions_20-arrayloop2_rc.i [2023-11-06 23:03:32,265 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 23:03:32,635 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 23:03:32,635 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c32446f8-8c45-42c9-82ee-1c5a6e2f5fe7/sv-benchmarks/c/goblint-regression/09-regions_20-arrayloop2_rc.i [2023-11-06 23:03:32,659 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c32446f8-8c45-42c9-82ee-1c5a6e2f5fe7/bin/uautomizer-verify-WvqO1wxjHP/data/0cae023c8/a62669ce39eb44f392cffc9027d876eb/FLAG8e7c0a39f [2023-11-06 23:03:32,678 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c32446f8-8c45-42c9-82ee-1c5a6e2f5fe7/bin/uautomizer-verify-WvqO1wxjHP/data/0cae023c8/a62669ce39eb44f392cffc9027d876eb [2023-11-06 23:03:32,683 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 23:03:32,685 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 23:03:32,688 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 23:03:32,688 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 23:03:32,693 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 23:03:32,694 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 11:03:32" (1/1) ... [2023-11-06 23:03:32,695 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3ca1990d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:03:32, skipping insertion in model container [2023-11-06 23:03:32,695 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 11:03:32" (1/1) ... [2023-11-06 23:03:32,762 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 23:03:33,270 WARN L1577 CHandler]: Possible shadowing of function new [2023-11-06 23:03:33,272 WARN L1577 CHandler]: Possible shadowing of function new [2023-11-06 23:03:33,275 WARN L1577 CHandler]: Possible shadowing of function new [2023-11-06 23:03:33,281 WARN L1577 CHandler]: Possible shadowing of function new [2023-11-06 23:03:33,326 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 23:03:33,346 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 23:03:33,388 WARN L1577 CHandler]: Possible shadowing of function new [2023-11-06 23:03:33,389 WARN L1577 CHandler]: Possible shadowing of function new [2023-11-06 23:03:33,390 WARN L1577 CHandler]: Possible shadowing of function new [2023-11-06 23:03:33,391 WARN L1577 CHandler]: Possible shadowing of function new [2023-11-06 23:03:33,413 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 23:03:33,509 INFO L206 MainTranslator]: Completed translation [2023-11-06 23:03:33,510 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:03:33 WrapperNode [2023-11-06 23:03:33,510 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 23:03:33,511 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 23:03:33,511 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 23:03:33,513 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 23:03:33,521 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:03:33" (1/1) ... [2023-11-06 23:03:33,552 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:03:33" (1/1) ... [2023-11-06 23:03:33,600 INFO L138 Inliner]: procedures = 272, calls = 38, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 272 [2023-11-06 23:03:33,601 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 23:03:33,602 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 23:03:33,602 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 23:03:33,602 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 23:03:33,615 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:03:33" (1/1) ... [2023-11-06 23:03:33,616 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:03:33" (1/1) ... [2023-11-06 23:03:33,625 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:03:33" (1/1) ... [2023-11-06 23:03:33,625 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:03:33" (1/1) ... [2023-11-06 23:03:33,660 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:03:33" (1/1) ... [2023-11-06 23:03:33,676 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:03:33" (1/1) ... [2023-11-06 23:03:33,679 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:03:33" (1/1) ... [2023-11-06 23:03:33,682 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:03:33" (1/1) ... [2023-11-06 23:03:33,688 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 23:03:33,689 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 23:03:33,689 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 23:03:33,689 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 23:03:33,690 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:03:33" (1/1) ... [2023-11-06 23:03:33,700 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 23:03:33,715 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c32446f8-8c45-42c9-82ee-1c5a6e2f5fe7/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:03:33,729 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c32446f8-8c45-42c9-82ee-1c5a6e2f5fe7/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 23:03:33,794 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c32446f8-8c45-42c9-82ee-1c5a6e2f5fe7/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 23:03:33,812 INFO L130 BoogieDeclarations]: Found specification of procedure f [2023-11-06 23:03:33,813 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2023-11-06 23:03:33,815 INFO L130 BoogieDeclarations]: Found specification of procedure g [2023-11-06 23:03:33,816 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2023-11-06 23:03:33,816 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-06 23:03:33,816 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-06 23:03:33,817 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-06 23:03:33,817 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-06 23:03:33,817 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-06 23:03:33,817 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-11-06 23:03:33,817 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-06 23:03:33,818 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 23:03:33,818 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-06 23:03:33,818 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 23:03:33,818 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 23:03:33,820 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 23:03:34,100 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 23:03:34,103 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 23:03:34,784 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 23:03:34,804 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 23:03:34,804 INFO L302 CfgBuilder]: Removed 6 assume(true) statements. [2023-11-06 23:03:34,808 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 11:03:34 BoogieIcfgContainer [2023-11-06 23:03:34,809 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 23:03:34,811 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 23:03:34,812 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 23:03:34,815 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 23:03:34,815 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 11:03:32" (1/3) ... [2023-11-06 23:03:34,821 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e6be6bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 11:03:34, skipping insertion in model container [2023-11-06 23:03:34,821 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:03:33" (2/3) ... [2023-11-06 23:03:34,823 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e6be6bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 11:03:34, skipping insertion in model container [2023-11-06 23:03:34,823 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 11:03:34" (3/3) ... [2023-11-06 23:03:34,825 INFO L112 eAbstractionObserver]: Analyzing ICFG 09-regions_20-arrayloop2_rc.i [2023-11-06 23:03:34,834 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-06 23:03:34,845 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 23:03:34,846 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 18 error locations. [2023-11-06 23:03:34,846 INFO L519 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-06 23:03:34,998 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-11-06 23:03:35,051 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 298 places, 305 transitions, 618 flow [2023-11-06 23:03:35,162 INFO L124 PetriNetUnfolderBase]: 14/303 cut-off events. [2023-11-06 23:03:35,163 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-06 23:03:35,173 INFO L83 FinitePrefix]: Finished finitePrefix Result has 310 conditions, 303 events. 14/303 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 601 event pairs, 0 based on Foata normal form. 0/271 useless extension candidates. Maximal degree in co-relation 225. Up to 2 conditions per place. [2023-11-06 23:03:35,173 INFO L82 GeneralOperation]: Start removeDead. Operand has 298 places, 305 transitions, 618 flow [2023-11-06 23:03:35,190 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 296 places, 303 transitions, 612 flow [2023-11-06 23:03:35,194 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-11-06 23:03:35,205 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 296 places, 303 transitions, 612 flow [2023-11-06 23:03:35,208 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 296 places, 303 transitions, 612 flow [2023-11-06 23:03:35,208 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 296 places, 303 transitions, 612 flow [2023-11-06 23:03:35,377 INFO L124 PetriNetUnfolderBase]: 14/303 cut-off events. [2023-11-06 23:03:35,378 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-06 23:03:35,383 INFO L83 FinitePrefix]: Finished finitePrefix Result has 310 conditions, 303 events. 14/303 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 602 event pairs, 0 based on Foata normal form. 0/271 useless extension candidates. Maximal degree in co-relation 225. Up to 2 conditions per place. [2023-11-06 23:03:35,395 INFO L119 LiptonReduction]: Number of co-enabled transitions 13110 [2023-11-06 23:04:16,475 WARN L293 SmtUtils]: Spent 12.67s on a formula simplification that was a NOOP. DAG size: 148 (called from [L 279] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-11-06 23:04:26,439 WARN L293 SmtUtils]: Spent 9.96s on a formula simplification that was a NOOP. DAG size: 137 (called from [L 302] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-11-06 23:04:40,961 WARN L293 SmtUtils]: Spent 14.52s on a formula simplification that was a NOOP. DAG size: 148 (called from [L 279] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-11-06 23:04:50,833 WARN L293 SmtUtils]: Spent 9.87s on a formula simplification that was a NOOP. DAG size: 137 (called from [L 302] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-11-06 23:05:39,336 WARN L293 SmtUtils]: Spent 47.60s on a formula simplification that was a NOOP. DAG size: 190 (called from [L 279] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-11-06 23:05:47,656 WARN L293 SmtUtils]: Spent 8.31s on a formula simplification that was a NOOP. DAG size: 163 (called from [L 302] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-11-06 23:06:41,402 WARN L293 SmtUtils]: Spent 53.74s on a formula simplification that was a NOOP. DAG size: 190 (called from [L 279] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-11-06 23:06:50,346 WARN L293 SmtUtils]: Spent 8.94s on a formula simplification that was a NOOP. DAG size: 163 (called from [L 302] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-11-06 23:06:58,696 WARN L293 SmtUtils]: Spent 8.35s on a formula simplification. DAG size of input: 101 DAG size of output: 99 (called from [L 279] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-11-06 23:07:07,356 WARN L293 SmtUtils]: Spent 6.49s on a formula simplification. DAG size of input: 101 DAG size of output: 99 (called from [L 279] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition)