./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/09-regions_21-arrayloop2_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_2af91eb3-e35a-468b-88eb-7e4fd92362e3/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2af91eb3-e35a-468b-88eb-7e4fd92362e3/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_2af91eb3-e35a-468b-88eb-7e4fd92362e3/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2af91eb3-e35a-468b-88eb-7e4fd92362e3/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerReach.xml -i ../../sv-benchmarks/c/goblint-regression/09-regions_21-arrayloop2_nr.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2af91eb3-e35a-468b-88eb-7e4fd92362e3/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_2af91eb3-e35a-468b-88eb-7e4fd92362e3/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 52746884466210ec366bc04a3a6cb03f413619353c73143d79c1024e676e598e --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 23:01:13,493 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 23:01:13,616 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2af91eb3-e35a-468b-88eb-7e4fd92362e3/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-11-06 23:01:13,623 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 23:01:13,624 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 23:01:13,665 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 23:01:13,666 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 23:01:13,666 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 23:01:13,667 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 23:01:13,672 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 23:01:13,674 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 23:01:13,675 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 23:01:13,675 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 23:01:13,677 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 23:01:13,677 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-06 23:01:13,678 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-06 23:01:13,678 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-06 23:01:13,679 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-06 23:01:13,679 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 23:01:13,679 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-06 23:01:13,680 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 23:01:13,680 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-06 23:01:13,681 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-11-06 23:01:13,681 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-06 23:01:13,682 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-06 23:01:13,682 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 23:01:13,682 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 23:01:13,683 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 23:01:13,684 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 23:01:13,684 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 23:01:13,685 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 23:01:13,686 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 23:01:13,686 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 23:01:13,686 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-11-06 23:01:13,687 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-06 23:01:13,687 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-06 23:01:13,687 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-06 23:01:13,687 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-06 23:01:13,687 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-06 23:01:13,688 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 23:01:13,688 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-06 23:01:13,688 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_2af91eb3-e35a-468b-88eb-7e4fd92362e3/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2af91eb3-e35a-468b-88eb-7e4fd92362e3/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 52746884466210ec366bc04a3a6cb03f413619353c73143d79c1024e676e598e [2023-11-06 23:01:14,005 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 23:01:14,044 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 23:01:14,048 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 23:01:14,049 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 23:01:14,050 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 23:01:14,051 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2af91eb3-e35a-468b-88eb-7e4fd92362e3/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/goblint-regression/09-regions_21-arrayloop2_nr.i [2023-11-06 23:01:17,440 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 23:01:17,772 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 23:01:17,776 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2af91eb3-e35a-468b-88eb-7e4fd92362e3/sv-benchmarks/c/goblint-regression/09-regions_21-arrayloop2_nr.i [2023-11-06 23:01:17,802 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2af91eb3-e35a-468b-88eb-7e4fd92362e3/bin/uautomizer-verify-WvqO1wxjHP/data/8eacbaf7b/66eff36888ba40ea9e9dea015889dd5d/FLAGbd8878f8c [2023-11-06 23:01:17,821 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2af91eb3-e35a-468b-88eb-7e4fd92362e3/bin/uautomizer-verify-WvqO1wxjHP/data/8eacbaf7b/66eff36888ba40ea9e9dea015889dd5d [2023-11-06 23:01:17,827 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 23:01:17,830 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 23:01:17,833 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 23:01:17,833 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 23:01:17,838 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 23:01:17,839 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 11:01:17" (1/1) ... [2023-11-06 23:01:17,840 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@562009a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:01:17, skipping insertion in model container [2023-11-06 23:01:17,841 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 11:01:17" (1/1) ... [2023-11-06 23:01:17,917 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 23:01:18,602 WARN L1577 CHandler]: Possible shadowing of function new [2023-11-06 23:01:18,606 WARN L1577 CHandler]: Possible shadowing of function new [2023-11-06 23:01:18,607 WARN L1577 CHandler]: Possible shadowing of function new [2023-11-06 23:01:18,611 WARN L1577 CHandler]: Possible shadowing of function new [2023-11-06 23:01:18,658 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 23:01:18,728 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 23:01:18,797 WARN L1577 CHandler]: Possible shadowing of function new [2023-11-06 23:01:18,798 WARN L1577 CHandler]: Possible shadowing of function new [2023-11-06 23:01:18,801 WARN L1577 CHandler]: Possible shadowing of function new [2023-11-06 23:01:18,802 WARN L1577 CHandler]: Possible shadowing of function new [2023-11-06 23:01:18,826 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 23:01:18,897 INFO L206 MainTranslator]: Completed translation [2023-11-06 23:01:18,897 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:01:18 WrapperNode [2023-11-06 23:01:18,897 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 23:01:18,899 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 23:01:18,899 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 23:01:18,899 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 23:01:18,907 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:01:18" (1/1) ... [2023-11-06 23:01:18,954 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:01:18" (1/1) ... [2023-11-06 23:01:19,011 INFO L138 Inliner]: procedures = 271, calls = 32, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 209 [2023-11-06 23:01:19,012 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 23:01:19,013 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 23:01:19,013 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 23:01:19,013 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 23:01:19,021 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:01:18" (1/1) ... [2023-11-06 23:01:19,021 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:01:18" (1/1) ... [2023-11-06 23:01:19,027 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:01:18" (1/1) ... [2023-11-06 23:01:19,028 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:01:18" (1/1) ... [2023-11-06 23:01:19,052 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:01:18" (1/1) ... [2023-11-06 23:01:19,057 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:01:18" (1/1) ... [2023-11-06 23:01:19,060 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:01:18" (1/1) ... [2023-11-06 23:01:19,063 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:01:18" (1/1) ... [2023-11-06 23:01:19,068 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 23:01:19,069 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 23:01:19,070 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 23:01:19,070 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 23:01:19,071 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:01:18" (1/1) ... [2023-11-06 23:01:19,078 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 23:01:19,104 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2af91eb3-e35a-468b-88eb-7e4fd92362e3/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:01:19,122 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2af91eb3-e35a-468b-88eb-7e4fd92362e3/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 23:01:19,149 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2af91eb3-e35a-468b-88eb-7e4fd92362e3/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 23:01:19,163 INFO L130 BoogieDeclarations]: Found specification of procedure f [2023-11-06 23:01:19,164 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2023-11-06 23:01:19,164 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-06 23:01:19,164 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-06 23:01:19,165 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-06 23:01:19,165 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-06 23:01:19,165 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-06 23:01:19,165 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-11-06 23:01:19,165 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-06 23:01:19,166 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 23:01:19,166 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-06 23:01:19,166 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 23:01:19,166 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 23:01:19,168 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 23:01:19,389 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 23:01:19,392 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 23:01:19,964 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 23:01:19,973 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 23:01:19,974 INFO L302 CfgBuilder]: Removed 4 assume(true) statements. [2023-11-06 23:01:19,976 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 11:01:19 BoogieIcfgContainer [2023-11-06 23:01:19,976 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 23:01:19,979 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 23:01:19,979 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 23:01:19,982 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 23:01:19,982 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 11:01:17" (1/3) ... [2023-11-06 23:01:19,983 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ca4bf1a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 11:01:19, skipping insertion in model container [2023-11-06 23:01:19,983 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:01:18" (2/3) ... [2023-11-06 23:01:19,984 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ca4bf1a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 11:01:19, skipping insertion in model container [2023-11-06 23:01:19,984 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 11:01:19" (3/3) ... [2023-11-06 23:01:19,985 INFO L112 eAbstractionObserver]: Analyzing ICFG 09-regions_21-arrayloop2_nr.i [2023-11-06 23:01:19,995 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-06 23:01:20,006 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 23:01:20,006 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 14 error locations. [2023-11-06 23:01:20,007 INFO L519 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-06 23:01:20,157 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-11-06 23:01:20,215 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 298 places, 305 transitions, 618 flow [2023-11-06 23:01:20,356 INFO L124 PetriNetUnfolderBase]: 14/303 cut-off events. [2023-11-06 23:01:20,356 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-06 23:01:20,369 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 598 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 23:01:20,369 INFO L82 GeneralOperation]: Start removeDead. Operand has 298 places, 305 transitions, 618 flow [2023-11-06 23:01:20,379 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 296 places, 303 transitions, 612 flow [2023-11-06 23:01:20,382 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-11-06 23:01:20,400 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 296 places, 303 transitions, 612 flow [2023-11-06 23:01:20,405 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 296 places, 303 transitions, 612 flow [2023-11-06 23:01:20,406 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 296 places, 303 transitions, 612 flow [2023-11-06 23:01:20,484 INFO L124 PetriNetUnfolderBase]: 14/303 cut-off events. [2023-11-06 23:01:20,484 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-06 23:01:20,488 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 596 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 23:01:20,498 INFO L119 LiptonReduction]: Number of co-enabled transitions 13110 [2023-11-06 23:02:50,769 WARN L293 SmtUtils]: Spent 32.30s on a formula simplification that was a NOOP. DAG size: 159 (called from [L 279] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-11-06 23:03:00,907 WARN L293 SmtUtils]: Spent 10.13s on a formula simplification that was a NOOP. DAG size: 134 (called from [L 302] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-11-06 23:03:34,531 WARN L293 SmtUtils]: Spent 33.62s on a formula simplification that was a NOOP. DAG size: 159 (called from [L 279] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-11-06 23:03:42,713 WARN L293 SmtUtils]: Spent 8.18s on a formula simplification that was a NOOP. DAG size: 134 (called from [L 302] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-11-06 23:04:51,761 WARN L293 SmtUtils]: Spent 1.15m on a formula simplification that was a NOOP. DAG size: 214 (called from [L 279] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-11-06 23:05:41,720 WARN L293 SmtUtils]: Spent 49.95s 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)