./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/goblint-regression/13-privatized_57-singlethreaded-unlock_true.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4fc63b2a 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_0ddf6809-fb2e-452c-a35a-22711ce87c84/bin/utaipan-verify-DbMuA5NWw2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ddf6809-fb2e-452c-a35a-22711ce87c84/bin/utaipan-verify-DbMuA5NWw2/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ddf6809-fb2e-452c-a35a-22711ce87c84/bin/utaipan-verify-DbMuA5NWw2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ddf6809-fb2e-452c-a35a-22711ce87c84/bin/utaipan-verify-DbMuA5NWw2/config/TaipanReach.xml -i ../../sv-benchmarks/c/goblint-regression/13-privatized_57-singlethreaded-unlock_true.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ddf6809-fb2e-452c-a35a-22711ce87c84/bin/utaipan-verify-DbMuA5NWw2/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ddf6809-fb2e-452c-a35a-22711ce87c84/bin/utaipan-verify-DbMuA5NWw2 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 11951524cd85112f2fd2ba609f320369af87d9ba4a63c5effcd0e29d07efd1ae --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-11-02 12:22:48,986 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-02 12:22:49,087 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ddf6809-fb2e-452c-a35a-22711ce87c84/bin/utaipan-verify-DbMuA5NWw2/config/svcomp-Reach-32bit-Taipan_Default.epf [2024-11-02 12:22:49,098 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-02 12:22:49,099 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-02 12:22:49,135 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-02 12:22:49,136 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-02 12:22:49,137 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-02 12:22:49,137 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-02 12:22:49,138 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-02 12:22:49,138 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-02 12:22:49,139 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-02 12:22:49,139 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-02 12:22:49,140 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-02 12:22:49,140 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-02 12:22:49,140 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-02 12:22:49,141 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-02 12:22:49,141 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-02 12:22:49,146 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-02 12:22:49,146 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-02 12:22:49,146 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-02 12:22:49,151 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-02 12:22:49,152 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-02 12:22:49,152 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-02 12:22:49,152 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-02 12:22:49,153 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-02 12:22:49,153 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-02 12:22:49,153 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-02 12:22:49,153 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-02 12:22:49,154 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-02 12:22:49,154 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-02 12:22:49,154 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-02 12:22:49,156 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-02 12:22:49,156 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-02 12:22:49,157 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-02 12:22:49,157 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-02 12:22:49,157 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-02 12:22:49,158 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-02 12:22:49,158 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 12:22:49,158 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-02 12:22:49,158 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-02 12:22:49,159 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-02 12:22:49,160 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-02 12:22:49,160 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-02 12:22:49,160 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-02 12:22:49,160 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-02 12:22:49,161 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-02 12:22:49,161 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_0ddf6809-fb2e-452c-a35a-22711ce87c84/bin/utaipan-verify-DbMuA5NWw2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ddf6809-fb2e-452c-a35a-22711ce87c84/bin/utaipan-verify-DbMuA5NWw2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 11951524cd85112f2fd2ba609f320369af87d9ba4a63c5effcd0e29d07efd1ae [2024-11-02 12:22:49,454 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-02 12:22:49,490 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-02 12:22:49,493 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-02 12:22:49,494 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-02 12:22:49,497 INFO L274 PluginConnector]: CDTParser initialized [2024-11-02 12:22:49,498 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ddf6809-fb2e-452c-a35a-22711ce87c84/bin/utaipan-verify-DbMuA5NWw2/../../sv-benchmarks/c/goblint-regression/13-privatized_57-singlethreaded-unlock_true.i Unable to find full path for "g++" [2024-11-02 12:22:51,578 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-02 12:22:51,870 INFO L384 CDTParser]: Found 1 translation units. [2024-11-02 12:22:51,871 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ddf6809-fb2e-452c-a35a-22711ce87c84/sv-benchmarks/c/goblint-regression/13-privatized_57-singlethreaded-unlock_true.i [2024-11-02 12:22:51,884 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ddf6809-fb2e-452c-a35a-22711ce87c84/bin/utaipan-verify-DbMuA5NWw2/data/c4dfb9221/66f3d6162c5545d3a3869b3cff1613b5/FLAGb81bf8069 [2024-11-02 12:22:52,155 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ddf6809-fb2e-452c-a35a-22711ce87c84/bin/utaipan-verify-DbMuA5NWw2/data/c4dfb9221/66f3d6162c5545d3a3869b3cff1613b5 [2024-11-02 12:22:52,158 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-02 12:22:52,159 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-02 12:22:52,161 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-02 12:22:52,161 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-02 12:22:52,167 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-02 12:22:52,170 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 12:22:52" (1/1) ... [2024-11-02 12:22:52,172 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@21334720 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:22:52, skipping insertion in model container [2024-11-02 12:22:52,172 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 12:22:52" (1/1) ... [2024-11-02 12:22:52,216 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-02 12:22:52,441 WARN L251 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ddf6809-fb2e-452c-a35a-22711ce87c84/sv-benchmarks/c/goblint-regression/13-privatized_57-singlethreaded-unlock_true.i[1098,1111] [2024-11-02 12:22:52,659 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 12:22:52,678 INFO L200 MainTranslator]: Completed pre-run [2024-11-02 12:22:52,693 WARN L251 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ddf6809-fb2e-452c-a35a-22711ce87c84/sv-benchmarks/c/goblint-regression/13-privatized_57-singlethreaded-unlock_true.i[1098,1111] [2024-11-02 12:22:52,743 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 12:22:52,794 INFO L204 MainTranslator]: Completed translation [2024-11-02 12:22:52,795 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:22:52 WrapperNode [2024-11-02 12:22:52,796 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-02 12:22:52,797 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-02 12:22:52,797 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-02 12:22:52,797 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-02 12:22:52,806 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:22:52" (1/1) ... [2024-11-02 12:22:52,822 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:22:52" (1/1) ... [2024-11-02 12:22:52,845 INFO L138 Inliner]: procedures = 162, calls = 16, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 39 [2024-11-02 12:22:52,845 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-02 12:22:52,846 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-02 12:22:52,846 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-02 12:22:52,846 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-02 12:22:52,857 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:22:52" (1/1) ... [2024-11-02 12:22:52,857 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:22:52" (1/1) ... [2024-11-02 12:22:52,863 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:22:52" (1/1) ... [2024-11-02 12:22:52,865 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:22:52" (1/1) ... [2024-11-02 12:22:52,870 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:22:52" (1/1) ... [2024-11-02 12:22:52,873 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:22:52" (1/1) ... [2024-11-02 12:22:52,874 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:22:52" (1/1) ... [2024-11-02 12:22:52,879 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:22:52" (1/1) ... [2024-11-02 12:22:52,881 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-02 12:22:52,882 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-02 12:22:52,882 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-02 12:22:52,887 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-02 12:22:52,888 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:22:52" (1/1) ... [2024-11-02 12:22:52,900 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 12:22:52,913 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ddf6809-fb2e-452c-a35a-22711ce87c84/bin/utaipan-verify-DbMuA5NWw2/z3 [2024-11-02 12:22:52,929 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ddf6809-fb2e-452c-a35a-22711ce87c84/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-02 12:22:52,932 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ddf6809-fb2e-452c-a35a-22711ce87c84/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-02 12:22:52,967 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-11-02 12:22:52,967 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-02 12:22:52,967 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2024-11-02 12:22:52,967 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2024-11-02 12:22:52,967 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-02 12:22:52,968 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-11-02 12:22:52,968 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-02 12:22:52,968 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-02 12:22:52,970 WARN L207 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-02 12:22:53,160 INFO L238 CfgBuilder]: Building ICFG [2024-11-02 12:22:53,162 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-02 12:22:53,305 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-02 12:22:53,305 INFO L287 CfgBuilder]: Performing block encoding [2024-11-02 12:22:53,410 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-02 12:22:53,410 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-02 12:22:53,411 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:22:53 BoogieIcfgContainer [2024-11-02 12:22:53,411 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-02 12:22:53,413 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-02 12:22:53,414 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-02 12:22:53,419 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-02 12:22:53,420 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 12:22:52" (1/3) ... [2024-11-02 12:22:53,421 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c1e7fb5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 12:22:53, skipping insertion in model container [2024-11-02 12:22:53,422 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:22:52" (2/3) ... [2024-11-02 12:22:53,422 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c1e7fb5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 12:22:53, skipping insertion in model container [2024-11-02 12:22:53,422 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:22:53" (3/3) ... [2024-11-02 12:22:53,424 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_57-singlethreaded-unlock_true.i [2024-11-02 12:22:53,443 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-02 12:22:53,443 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-02 12:22:53,443 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-02 12:22:53,478 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-02 12:22:53,517 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 17 places, 14 transitions, 32 flow [2024-11-02 12:22:53,530 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 14 states, 13 states have (on average 1.2307692307692308) internal successors, (16), 13 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-02 12:22:53,571 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-02 12:22:53,579 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@6c5eb51b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-02 12:22:53,579 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-02 12:22:53,581 INFO L276 IsEmpty]: Start isEmpty. Operand has 14 states, 13 states have (on average 1.2307692307692308) internal successors, (16), 13 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-02 12:22:53,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-02 12:22:53,587 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 12:22:53,588 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-02 12:22:53,589 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-02 12:22:53,596 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 12:22:53,596 INFO L85 PathProgramCache]: Analyzing trace with hash -201739014, now seen corresponding path program 1 times [2024-11-02 12:22:53,607 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-02 12:22:53,607 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1215966277] [2024-11-02 12:22:53,608 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:22:53,608 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-02 12:22:53,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 12:22:53,984 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-02 12:22:53,985 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-02 12:22:53,985 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1215966277] [2024-11-02 12:22:53,986 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1215966277] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-02 12:22:53,987 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-02 12:22:53,987 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-02 12:22:53,989 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1330397206] [2024-11-02 12:22:53,989 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-02 12:22:53,993 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-02 12:22:53,993 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-02 12:22:54,025 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-02 12:22:54,026 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-02 12:22:54,029 INFO L87 Difference]: Start difference. First operand has 14 states, 13 states have (on average 1.2307692307692308) internal successors, (16), 13 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-02 12:22:54,122 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-02 12:22:54,123 INFO L93 Difference]: Finished difference Result 14 states and 16 transitions. [2024-11-02 12:22:54,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-02 12:22:54,126 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2024-11-02 12:22:54,127 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-02 12:22:54,133 INFO L225 Difference]: With dead ends: 14 [2024-11-02 12:22:54,134 INFO L226 Difference]: Without dead ends: 0 [2024-11-02 12:22:54,138 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-02 12:22:54,143 INFO L432 NwaCegarLoop]: 0 mSDtfsCounter, 3 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-02 12:22:54,145 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 0 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-02 12:22:54,163 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-02 12:22:54,169 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-02 12:22:54,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-02 12:22:54,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-02 12:22:54,172 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 9 [2024-11-02 12:22:54,172 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-02 12:22:54,173 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-02 12:22:54,173 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-02 12:22:54,174 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-02 12:22:54,174 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-02 12:22:54,178 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 2 remaining) [2024-11-02 12:22:54,179 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 2 remaining) [2024-11-02 12:22:54,180 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-02 12:22:54,184 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-02 12:22:54,188 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-02 12:22:54,188 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-02 12:22:54,193 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.11 12:22:54 BasicIcfg [2024-11-02 12:22:54,194 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-02 12:22:54,195 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-02 12:22:54,195 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-02 12:22:54,195 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-02 12:22:54,196 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:22:53" (3/4) ... [2024-11-02 12:22:54,199 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-02 12:22:54,203 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure t_fun [2024-11-02 12:22:54,207 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2024-11-02 12:22:54,209 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-02 12:22:54,209 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-02 12:22:54,209 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-11-02 12:22:54,302 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ddf6809-fb2e-452c-a35a-22711ce87c84/bin/utaipan-verify-DbMuA5NWw2/witness.graphml [2024-11-02 12:22:54,302 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ddf6809-fb2e-452c-a35a-22711ce87c84/bin/utaipan-verify-DbMuA5NWw2/witness.yml [2024-11-02 12:22:54,302 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-02 12:22:54,307 INFO L158 Benchmark]: Toolchain (without parser) took 2144.07ms. Allocated memory was 111.1MB in the beginning and 144.7MB in the end (delta: 33.6MB). Free memory was 68.2MB in the beginning and 70.7MB in the end (delta: -2.4MB). Peak memory consumption was 33.5MB. Max. memory is 16.1GB. [2024-11-02 12:22:54,307 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 111.1MB. Free memory was 79.5MB in the beginning and 79.5MB in the end (delta: 28.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-02 12:22:54,308 INFO L158 Benchmark]: CACSL2BoogieTranslator took 635.35ms. Allocated memory is still 111.1MB. Free memory was 68.2MB in the beginning and 46.8MB in the end (delta: 21.5MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2024-11-02 12:22:54,310 INFO L158 Benchmark]: Boogie Procedure Inliner took 48.61ms. Allocated memory is still 111.1MB. Free memory was 46.8MB in the beginning and 44.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-02 12:22:54,310 INFO L158 Benchmark]: Boogie Preprocessor took 35.38ms. Allocated memory is still 111.1MB. Free memory was 44.7MB in the beginning and 43.7MB in the end (delta: 985.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-02 12:22:54,311 INFO L158 Benchmark]: RCFGBuilder took 528.91ms. Allocated memory was 111.1MB in the beginning and 144.7MB in the end (delta: 33.6MB). Free memory was 43.3MB in the beginning and 106.3MB in the end (delta: -63.0MB). Peak memory consumption was 14.6MB. Max. memory is 16.1GB. [2024-11-02 12:22:54,311 INFO L158 Benchmark]: TraceAbstraction took 780.50ms. Allocated memory is still 144.7MB. Free memory was 105.2MB in the beginning and 74.6MB in the end (delta: 30.5MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2024-11-02 12:22:54,312 INFO L158 Benchmark]: Witness Printer took 108.10ms. Allocated memory is still 144.7MB. Free memory was 74.6MB in the beginning and 70.7MB in the end (delta: 3.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-02 12:22:54,318 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38ms. Allocated memory is still 111.1MB. Free memory was 79.5MB in the beginning and 79.5MB in the end (delta: 28.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 635.35ms. Allocated memory is still 111.1MB. Free memory was 68.2MB in the beginning and 46.8MB in the end (delta: 21.5MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 48.61ms. Allocated memory is still 111.1MB. Free memory was 46.8MB in the beginning and 44.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 35.38ms. Allocated memory is still 111.1MB. Free memory was 44.7MB in the beginning and 43.7MB in the end (delta: 985.6kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 528.91ms. Allocated memory was 111.1MB in the beginning and 144.7MB in the end (delta: 33.6MB). Free memory was 43.3MB in the beginning and 106.3MB in the end (delta: -63.0MB). Peak memory consumption was 14.6MB. Max. memory is 16.1GB. * TraceAbstraction took 780.50ms. Allocated memory is still 144.7MB. Free memory was 105.2MB in the beginning and 74.6MB in the end (delta: 30.5MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * Witness Printer took 108.10ms. Allocated memory is still 144.7MB. Free memory was 74.6MB in the beginning and 70.7MB in the end (delta: 3.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 19]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 17 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 3 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 20 IncrementalHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 0 mSDtfsCounter, 20 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=14occurred in iteration=0, InterpolantAutomatonStates: 4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 9 NumberOfCodeBlocks, 9 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 8 ConstructedInterpolants, 0 QuantifiedInterpolants, 15 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-02 12:22:54,358 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ddf6809-fb2e-452c-a35a-22711ce87c84/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE