./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/28-race_reach_91-arrayloop2_racefree.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_4395d438-9be4-43f9-96f5-572f8e393136/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4395d438-9be4-43f9-96f5-572f8e393136/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_4395d438-9be4-43f9-96f5-572f8e393136/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4395d438-9be4-43f9-96f5-572f8e393136/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerReach.xml -i ../../sv-benchmarks/c/goblint-regression/28-race_reach_91-arrayloop2_racefree.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4395d438-9be4-43f9-96f5-572f8e393136/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_4395d438-9be4-43f9-96f5-572f8e393136/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 ac583c9331a2ad916f4c22969f16915d9226d22c75c23a992e6ef02ec672d4b3 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 22:05:15,803 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 22:05:15,921 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4395d438-9be4-43f9-96f5-572f8e393136/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-11-06 22:05:15,929 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 22:05:15,930 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 22:05:15,970 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 22:05:15,971 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 22:05:15,972 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 22:05:15,973 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 22:05:15,978 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 22:05:15,980 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 22:05:15,980 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 22:05:15,981 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 22:05:15,983 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 22:05:15,983 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-06 22:05:15,983 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-06 22:05:15,984 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-06 22:05:15,984 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-06 22:05:15,985 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 22:05:15,985 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-06 22:05:15,986 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 22:05:15,986 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-06 22:05:15,987 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-11-06 22:05:15,987 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-06 22:05:15,988 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-06 22:05:15,988 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 22:05:15,988 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 22:05:15,989 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 22:05:15,990 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 22:05:15,990 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 22:05:15,992 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:05:15,992 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 22:05:15,992 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 22:05:15,993 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-11-06 22:05:15,993 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-06 22:05:15,993 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-06 22:05:15,993 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-06 22:05:15,993 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-06 22:05:15,994 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-06 22:05:15,994 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 22:05:15,994 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-06 22:05:15,995 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_4395d438-9be4-43f9-96f5-572f8e393136/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4395d438-9be4-43f9-96f5-572f8e393136/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ac583c9331a2ad916f4c22969f16915d9226d22c75c23a992e6ef02ec672d4b3 [2023-11-06 22:05:16,365 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 22:05:16,399 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 22:05:16,413 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 22:05:16,415 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 22:05:16,415 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 22:05:16,417 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4395d438-9be4-43f9-96f5-572f8e393136/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/goblint-regression/28-race_reach_91-arrayloop2_racefree.i [2023-11-06 22:05:19,549 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 22:05:19,942 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 22:05:19,943 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4395d438-9be4-43f9-96f5-572f8e393136/sv-benchmarks/c/goblint-regression/28-race_reach_91-arrayloop2_racefree.i [2023-11-06 22:05:19,971 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4395d438-9be4-43f9-96f5-572f8e393136/bin/uautomizer-verify-WvqO1wxjHP/data/787c092ba/fafb1d61ea5b491c8d36d592a805be39/FLAG4e92d6087 [2023-11-06 22:05:19,992 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4395d438-9be4-43f9-96f5-572f8e393136/bin/uautomizer-verify-WvqO1wxjHP/data/787c092ba/fafb1d61ea5b491c8d36d592a805be39 [2023-11-06 22:05:19,998 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 22:05:20,000 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 22:05:20,006 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 22:05:20,006 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 22:05:20,012 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 22:05:20,012 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:05:19" (1/1) ... [2023-11-06 22:05:20,014 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5ed69e4c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:05:20, skipping insertion in model container [2023-11-06 22:05:20,014 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:05:19" (1/1) ... [2023-11-06 22:05:20,089 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 22:05:20,658 WARN L1577 CHandler]: Possible shadowing of function new [2023-11-06 22:05:20,659 WARN L1577 CHandler]: Possible shadowing of function new [2023-11-06 22:05:20,664 WARN L1577 CHandler]: Possible shadowing of function new [2023-11-06 22:05:20,667 WARN L1577 CHandler]: Possible shadowing of function new [2023-11-06 22:05:20,726 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:05:20,760 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 22:05:20,836 WARN L1577 CHandler]: Possible shadowing of function new [2023-11-06 22:05:20,837 WARN L1577 CHandler]: Possible shadowing of function new [2023-11-06 22:05:20,844 WARN L1577 CHandler]: Possible shadowing of function new [2023-11-06 22:05:20,845 WARN L1577 CHandler]: Possible shadowing of function new [2023-11-06 22:05:20,867 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:05:20,943 INFO L206 MainTranslator]: Completed translation [2023-11-06 22:05:20,943 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:05:20 WrapperNode [2023-11-06 22:05:20,943 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 22:05:20,945 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 22:05:20,945 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 22:05:20,945 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 22:05:20,953 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:05:20" (1/1) ... [2023-11-06 22:05:20,980 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:05:20" (1/1) ... [2023-11-06 22:05:21,046 INFO L138 Inliner]: procedures = 277, calls = 46, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 302 [2023-11-06 22:05:21,047 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 22:05:21,048 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 22:05:21,048 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 22:05:21,048 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 22:05:21,058 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:05:20" (1/1) ... [2023-11-06 22:05:21,059 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:05:20" (1/1) ... [2023-11-06 22:05:21,077 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:05:20" (1/1) ... [2023-11-06 22:05:21,077 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:05:20" (1/1) ... [2023-11-06 22:05:21,127 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:05:20" (1/1) ... [2023-11-06 22:05:21,134 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:05:20" (1/1) ... [2023-11-06 22:05:21,137 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:05:20" (1/1) ... [2023-11-06 22:05:21,140 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:05:20" (1/1) ... [2023-11-06 22:05:21,146 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 22:05:21,147 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 22:05:21,147 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 22:05:21,147 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 22:05:21,148 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:05:20" (1/1) ... [2023-11-06 22:05:21,155 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:05:21,172 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4395d438-9be4-43f9-96f5-572f8e393136/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:05:21,185 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4395d438-9be4-43f9-96f5-572f8e393136/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 22:05:21,187 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4395d438-9be4-43f9-96f5-572f8e393136/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 22:05:21,218 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-06 22:05:21,218 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-06 22:05:21,218 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-06 22:05:21,219 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-06 22:05:21,219 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-06 22:05:21,219 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-11-06 22:05:21,219 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-06 22:05:21,220 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 22:05:21,220 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-06 22:05:21,220 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2023-11-06 22:05:21,220 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2023-11-06 22:05:21,220 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-06 22:05:21,221 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 22:05:21,221 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 22:05:21,222 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 22:05:21,406 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 22:05:21,408 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 22:05:22,086 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 22:05:22,096 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 22:05:22,096 INFO L302 CfgBuilder]: Removed 16 assume(true) statements. [2023-11-06 22:05:22,099 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:05:22 BoogieIcfgContainer [2023-11-06 22:05:22,099 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 22:05:22,102 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 22:05:22,102 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 22:05:22,105 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 22:05:22,106 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 10:05:19" (1/3) ... [2023-11-06 22:05:22,107 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@53f4447b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:05:22, skipping insertion in model container [2023-11-06 22:05:22,107 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:05:20" (2/3) ... [2023-11-06 22:05:22,107 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@53f4447b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:05:22, skipping insertion in model container [2023-11-06 22:05:22,108 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:05:22" (3/3) ... [2023-11-06 22:05:22,109 INFO L112 eAbstractionObserver]: Analyzing ICFG 28-race_reach_91-arrayloop2_racefree.i [2023-11-06 22:05:22,118 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-06 22:05:22,130 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 22:05:22,130 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 18 error locations. [2023-11-06 22:05:22,130 INFO L519 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-06 22:05:22,283 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2023-11-06 22:05:22,352 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 312 places, 334 transitions, 675 flow [2023-11-06 22:05:22,471 INFO L124 PetriNetUnfolderBase]: 27/359 cut-off events. [2023-11-06 22:05:22,472 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2023-11-06 22:05:22,484 INFO L83 FinitePrefix]: Finished finitePrefix Result has 364 conditions, 359 events. 27/359 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 917 event pairs, 0 based on Foata normal form. 0/310 useless extension candidates. Maximal degree in co-relation 181. Up to 4 conditions per place. [2023-11-06 22:05:22,484 INFO L82 GeneralOperation]: Start removeDead. Operand has 312 places, 334 transitions, 675 flow [2023-11-06 22:05:22,493 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 312 places, 334 transitions, 675 flow [2023-11-06 22:05:22,497 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-11-06 22:05:22,508 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 312 places, 334 transitions, 675 flow [2023-11-06 22:05:22,511 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 312 places, 334 transitions, 675 flow [2023-11-06 22:05:22,511 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 312 places, 334 transitions, 675 flow [2023-11-06 22:05:22,578 INFO L124 PetriNetUnfolderBase]: 27/359 cut-off events. [2023-11-06 22:05:22,579 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2023-11-06 22:05:22,581 INFO L83 FinitePrefix]: Finished finitePrefix Result has 364 conditions, 359 events. 27/359 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 917 event pairs, 0 based on Foata normal form. 0/310 useless extension candidates. Maximal degree in co-relation 181. Up to 4 conditions per place. [2023-11-06 22:05:22,589 INFO L119 LiptonReduction]: Number of co-enabled transitions 8742 [2023-11-06 22:05:57,920 WARN L293 SmtUtils]: Spent 14.50s on a formula simplification. DAG size of input: 117 DAG size of output: 113 (called from [L 279] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-11-06 22:06:17,087 WARN L293 SmtUtils]: Spent 16.40s on a formula simplification. DAG size of input: 117 DAG size of output: 113 (called from [L 279] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-11-06 22:06:44,106 WARN L293 SmtUtils]: Spent 5.45s on a formula simplification that was a NOOP. DAG size: 116 (called from [L 279] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-11-06 22:06:49,316 WARN L293 SmtUtils]: Spent 5.21s on a formula simplification that was a NOOP. DAG size: 116 (called from [L 302] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-11-06 22:07:37,092 WARN L293 SmtUtils]: Spent 39.82s on a formula simplification that was a NOOP. DAG size: 164 (called from [L 279] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-11-06 22:07:47,183 WARN L293 SmtUtils]: Spent 10.08s on a formula simplification that was a NOOP. DAG size: 133 (called from [L 302] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-11-06 22:08:27,920 WARN L293 SmtUtils]: Spent 40.74s on a formula simplification that was a NOOP. DAG size: 164 (called from [L 279] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-11-06 22:08:37,930 WARN L293 SmtUtils]: Spent 10.00s on a formula simplification that was a NOOP. DAG size: 133 (called from [L 302] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-11-06 22:08:48,719 WARN L293 SmtUtils]: Spent 10.77s on a formula simplification that was a NOOP. DAG size: 136 (called from [L 279] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-11-06 22:08:58,325 WARN L293 SmtUtils]: Spent 9.60s 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 22:09:09,891 WARN L293 SmtUtils]: Spent 11.56s on a formula simplification that was a NOOP. DAG size: 136 (called from [L 279] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-11-06 22:09:19,878 WARN L293 SmtUtils]: Spent 9.99s 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)