./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/longjmp/68-longjmp_19-simpler_true.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc 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_90c73230-835d-4d04-a72a-4e0b3227a758/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90c73230-835d-4d04-a72a-4e0b3227a758/bin/uautomizer-verify-BQ2R08f2Ya/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90c73230-835d-4d04-a72a-4e0b3227a758/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90c73230-835d-4d04-a72a-4e0b3227a758/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/longjmp/68-longjmp_19-simpler_true.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90c73230-835d-4d04-a72a-4e0b3227a758/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90c73230-835d-4d04-a72a-4e0b3227a758/bin/uautomizer-verify-BQ2R08f2Ya --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 Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash b4b1285e1e15d49480c2da398d1b140bea8ea9759fba62976c73931387bed3cf --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-28 23:31:14,919 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-28 23:31:14,981 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90c73230-835d-4d04-a72a-4e0b3227a758/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-64bit-Automizer_Default.epf [2023-11-28 23:31:14,986 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-28 23:31:14,987 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-28 23:31:15,008 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-28 23:31:15,009 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-28 23:31:15,010 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-28 23:31:15,010 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-28 23:31:15,011 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-28 23:31:15,012 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-28 23:31:15,012 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-28 23:31:15,013 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-28 23:31:15,013 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-28 23:31:15,014 INFO L153 SettingsManager]: * Use SBE=true [2023-11-28 23:31:15,014 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-28 23:31:15,015 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-28 23:31:15,015 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-28 23:31:15,016 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-28 23:31:15,016 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-28 23:31:15,017 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-28 23:31:15,019 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-28 23:31:15,020 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-28 23:31:15,020 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-28 23:31:15,021 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-28 23:31:15,021 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-28 23:31:15,021 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-28 23:31:15,022 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-28 23:31:15,022 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-28 23:31:15,022 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-28 23:31:15,023 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-28 23:31:15,023 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-28 23:31:15,023 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-28 23:31:15,024 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-28 23:31:15,024 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-28 23:31:15,024 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-28 23:31:15,024 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-28 23:31:15,024 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-28 23:31:15,024 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-28 23:31:15,025 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_90c73230-835d-4d04-a72a-4e0b3227a758/bin/uautomizer-verify-BQ2R08f2Ya/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90c73230-835d-4d04-a72a-4e0b3227a758/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b4b1285e1e15d49480c2da398d1b140bea8ea9759fba62976c73931387bed3cf [2023-11-28 23:31:15,252 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-28 23:31:15,273 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-28 23:31:15,276 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-28 23:31:15,277 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-28 23:31:15,278 INFO L274 PluginConnector]: CDTParser initialized [2023-11-28 23:31:15,279 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90c73230-835d-4d04-a72a-4e0b3227a758/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/longjmp/68-longjmp_19-simpler_true.i [2023-11-28 23:31:18,009 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-28 23:31:18,217 INFO L384 CDTParser]: Found 1 translation units. [2023-11-28 23:31:18,218 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90c73230-835d-4d04-a72a-4e0b3227a758/sv-benchmarks/c/longjmp/68-longjmp_19-simpler_true.i [2023-11-28 23:31:18,234 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90c73230-835d-4d04-a72a-4e0b3227a758/bin/uautomizer-verify-BQ2R08f2Ya/data/2f4dca0b9/00d2a45beb5447b1954a73b2a476b5d9/FLAG07cf12210 [2023-11-28 23:31:18,245 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90c73230-835d-4d04-a72a-4e0b3227a758/bin/uautomizer-verify-BQ2R08f2Ya/data/2f4dca0b9/00d2a45beb5447b1954a73b2a476b5d9 [2023-11-28 23:31:18,248 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-28 23:31:18,249 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-28 23:31:18,250 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-28 23:31:18,251 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-28 23:31:18,255 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-28 23:31:18,256 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 11:31:18" (1/1) ... [2023-11-28 23:31:18,256 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@9a4665c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:31:18, skipping insertion in model container [2023-11-28 23:31:18,256 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 11:31:18" (1/1) ... [2023-11-28 23:31:18,299 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-28 23:31:18,431 WARN L240 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_90c73230-835d-4d04-a72a-4e0b3227a758/sv-benchmarks/c/longjmp/68-longjmp_19-simpler_true.i[1081,1094] [2023-11-28 23:31:18,573 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-28 23:31:18,590 INFO L202 MainTranslator]: Completed pre-run [2023-11-28 23:31:18,599 WARN L240 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_90c73230-835d-4d04-a72a-4e0b3227a758/sv-benchmarks/c/longjmp/68-longjmp_19-simpler_true.i[1081,1094] [2023-11-28 23:31:18,627 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-28 23:31:18,662 INFO L206 MainTranslator]: Completed translation [2023-11-28 23:31:18,662 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:31:18 WrapperNode [2023-11-28 23:31:18,662 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-28 23:31:18,663 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-28 23:31:18,663 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-28 23:31:18,663 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-28 23:31:18,669 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:31:18" (1/1) ... [2023-11-28 23:31:18,683 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:31:18" (1/1) ... [2023-11-28 23:31:18,701 INFO L138 Inliner]: procedures = 187, calls = 8, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 34 [2023-11-28 23:31:18,702 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-28 23:31:18,702 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-28 23:31:18,702 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-28 23:31:18,702 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-28 23:31:18,710 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:31:18" (1/1) ... [2023-11-28 23:31:18,711 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:31:18" (1/1) ... [2023-11-28 23:31:18,713 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:31:18" (1/1) ... [2023-11-28 23:31:18,723 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2023-11-28 23:31:18,723 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:31:18" (1/1) ... [2023-11-28 23:31:18,723 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:31:18" (1/1) ... [2023-11-28 23:31:18,727 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:31:18" (1/1) ... [2023-11-28 23:31:18,731 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:31:18" (1/1) ... [2023-11-28 23:31:18,732 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:31:18" (1/1) ... [2023-11-28 23:31:18,733 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:31:18" (1/1) ... [2023-11-28 23:31:18,736 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-28 23:31:18,736 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-28 23:31:18,737 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-28 23:31:18,737 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-28 23:31:18,738 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:31:18" (1/1) ... [2023-11-28 23:31:18,743 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-28 23:31:18,752 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90c73230-835d-4d04-a72a-4e0b3227a758/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 23:31:18,762 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90c73230-835d-4d04-a72a-4e0b3227a758/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-28 23:31:18,764 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90c73230-835d-4d04-a72a-4e0b3227a758/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-28 23:31:18,791 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-28 23:31:18,792 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-28 23:31:18,792 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-28 23:31:18,792 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-28 23:31:18,872 INFO L241 CfgBuilder]: Building ICFG [2023-11-28 23:31:18,874 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-28 23:31:18,952 INFO L282 CfgBuilder]: Performing block encoding [2023-11-28 23:31:18,973 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-28 23:31:18,974 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-28 23:31:18,974 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:31:18 BoogieIcfgContainer [2023-11-28 23:31:18,974 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-28 23:31:18,977 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-28 23:31:18,977 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-28 23:31:18,980 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-28 23:31:18,980 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 11:31:18" (1/3) ... [2023-11-28 23:31:18,980 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@69bdd293 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 11:31:18, skipping insertion in model container [2023-11-28 23:31:18,980 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:31:18" (2/3) ... [2023-11-28 23:31:18,981 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@69bdd293 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 11:31:18, skipping insertion in model container [2023-11-28 23:31:18,981 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:31:18" (3/3) ... [2023-11-28 23:31:18,982 INFO L112 eAbstractionObserver]: Analyzing ICFG 68-longjmp_19-simpler_true.i [2023-11-28 23:31:18,999 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-28 23:31:18,999 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2023-11-28 23:31:19,035 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-28 23:31:19,040 INFO L357 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, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, 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;@7c800c12, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-28 23:31:19,041 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2023-11-28 23:31:19,044 INFO L276 IsEmpty]: Start isEmpty. Operand has 8 states, 5 states have (on average 1.8) internal successors, (9), 7 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) [2023-11-28 23:31:19,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-28 23:31:19,048 INFO L187 NwaCegarLoop]: Found error trace [2023-11-28 23:31:19,049 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1] [2023-11-28 23:31:19,049 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONUNKNOWN] === [2023-11-28 23:31:19,054 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 23:31:19,054 INFO L85 PathProgramCache]: Analyzing trace with hash 53978, now seen corresponding path program 1 times [2023-11-28 23:31:19,064 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-28 23:31:19,065 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1540128201] [2023-11-28 23:31:19,065 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 23:31:19,065 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-28 23:31:19,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 23:31:19,315 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-28 23:31:19,315 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-28 23:31:19,316 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1540128201] [2023-11-28 23:31:19,316 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1540128201] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-28 23:31:19,317 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-28 23:31:19,317 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-28 23:31:19,318 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1138800872] [2023-11-28 23:31:19,319 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-28 23:31:19,323 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-28 23:31:19,323 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-28 23:31:19,351 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-28 23:31:19,352 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-28 23:31:19,354 INFO L87 Difference]: Start difference. First operand has 8 states, 5 states have (on average 1.8) internal successors, (9), 7 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) Second operand has 3 states, 3 states have (on average 1.0) internal successors, (3), 2 states have internal predecessors, (3), 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) [2023-11-28 23:31:19,388 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-28 23:31:19,388 INFO L93 Difference]: Finished difference Result 11 states and 13 transitions. [2023-11-28 23:31:19,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-28 23:31:19,391 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 1.0) internal successors, (3), 2 states have internal predecessors, (3), 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 3 [2023-11-28 23:31:19,391 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-28 23:31:19,396 INFO L225 Difference]: With dead ends: 11 [2023-11-28 23:31:19,397 INFO L226 Difference]: Without dead ends: 5 [2023-11-28 23:31:19,399 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-28 23:31:19,402 INFO L413 NwaCegarLoop]: 2 mSDtfsCounter, 1 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 3 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-28 23:31:19,403 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 3 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-28 23:31:19,416 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5 states. [2023-11-28 23:31:19,423 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5 to 5. [2023-11-28 23:31:19,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 4 states have (on average 1.0) internal successors, (4), 4 states have internal predecessors, (4), 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) [2023-11-28 23:31:19,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 4 transitions. [2023-11-28 23:31:19,426 INFO L78 Accepts]: Start accepts. Automaton has 5 states and 4 transitions. Word has length 3 [2023-11-28 23:31:19,426 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-28 23:31:19,426 INFO L495 AbstractCegarLoop]: Abstraction has 5 states and 4 transitions. [2023-11-28 23:31:19,426 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1.0) internal successors, (3), 2 states have internal predecessors, (3), 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) [2023-11-28 23:31:19,426 INFO L276 IsEmpty]: Start isEmpty. Operand 5 states and 4 transitions. [2023-11-28 23:31:19,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-28 23:31:19,427 INFO L187 NwaCegarLoop]: Found error trace [2023-11-28 23:31:19,427 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2023-11-28 23:31:19,427 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-28 23:31:19,428 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONUNKNOWN === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONUNKNOWN] === [2023-11-28 23:31:19,428 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 23:31:19,428 INFO L85 PathProgramCache]: Analyzing trace with hash 1678294, now seen corresponding path program 1 times [2023-11-28 23:31:19,429 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-28 23:31:19,429 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [823621586] [2023-11-28 23:31:19,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 23:31:19,429 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-28 23:31:19,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-28 23:31:19,450 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-28 23:31:19,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-28 23:31:19,477 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-28 23:31:19,477 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-28 23:31:19,478 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONUNKNOWN (1 of 2 remaining) [2023-11-28 23:31:19,480 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 2 remaining) [2023-11-28 23:31:19,480 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-28 23:31:19,483 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2023-11-28 23:31:19,486 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-28 23:31:19,500 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 11:31:19 BoogieIcfgContainer [2023-11-28 23:31:19,500 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-28 23:31:19,501 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-28 23:31:19,501 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-28 23:31:19,501 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-28 23:31:19,502 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:31:18" (3/4) ... [2023-11-28 23:31:19,503 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-28 23:31:19,505 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-28 23:31:19,505 INFO L158 Benchmark]: Toolchain (without parser) took 1256.06ms. Allocated memory is still 153.1MB. Free memory was 113.2MB in the beginning and 113.7MB in the end (delta: -455.7kB). Peak memory consumption was 1.5MB. Max. memory is 16.1GB. [2023-11-28 23:31:19,506 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 104.9MB. Free memory was 56.8MB in the beginning and 56.6MB in the end (delta: 151.0kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-28 23:31:19,506 INFO L158 Benchmark]: CACSL2BoogieTranslator took 412.17ms. Allocated memory is still 153.1MB. Free memory was 113.2MB in the beginning and 91.8MB in the end (delta: 21.4MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-11-28 23:31:19,507 INFO L158 Benchmark]: Boogie Procedure Inliner took 38.54ms. Allocated memory is still 153.1MB. Free memory was 91.8MB in the beginning and 90.0MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-28 23:31:19,507 INFO L158 Benchmark]: Boogie Preprocessor took 33.47ms. Allocated memory is still 153.1MB. Free memory was 90.0MB in the beginning and 88.1MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-28 23:31:19,508 INFO L158 Benchmark]: RCFGBuilder took 237.81ms. Allocated memory is still 153.1MB. Free memory was 88.1MB in the beginning and 77.6MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-28 23:31:19,508 INFO L158 Benchmark]: TraceAbstraction took 523.73ms. Allocated memory is still 153.1MB. Free memory was 76.8MB in the beginning and 113.7MB in the end (delta: -36.9MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-28 23:31:19,509 INFO L158 Benchmark]: Witness Printer took 3.73ms. Allocated memory is still 153.1MB. Free memory is still 113.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-28 23:31:19,512 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 104.9MB. Free memory was 56.8MB in the beginning and 56.6MB in the end (delta: 151.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 412.17ms. Allocated memory is still 153.1MB. Free memory was 113.2MB in the beginning and 91.8MB in the end (delta: 21.4MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 38.54ms. Allocated memory is still 153.1MB. Free memory was 91.8MB in the beginning and 90.0MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 33.47ms. Allocated memory is still 153.1MB. Free memory was 90.0MB in the beginning and 88.1MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 237.81ms. Allocated memory is still 153.1MB. Free memory was 88.1MB in the beginning and 77.6MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * TraceAbstraction took 523.73ms. Allocated memory is still 153.1MB. Free memory was 76.8MB in the beginning and 113.7MB in the end (delta: -36.9MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3.73ms. Allocated memory is still 153.1MB. Free memory is still 113.7MB. There was no memory consumed. 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 - UnprovableResult [Line: 726]: Unable to prove that unknown kind of specification holds Unable to prove that unknown kind of specification holds Reason: overapproximation of longjmp at line 726. Possible FailurePath: [L723] jmp_buf env_buffer; [L724] int global = 0; [L729] int val; [L730] CALL __VERIFIER_assert(global == 0) [L19] COND FALSE !(!(cond)) VAL [\old(cond)=1, cond=1, global=0] [L730] RET __VERIFIER_assert(global == 0) [L732] CALL fun() [L726] longjmp(env_buffer, 2) VAL [global=0] - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 8 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1 mSDsluCounter, 3 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3 IncrementalHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 2 mSDtfsCounter, 3 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=8occurred in iteration=0, InterpolantAutomatonStates: 3, 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, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 7 NumberOfCodeBlocks, 7 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 2 ConstructedInterpolants, 0 QuantifiedInterpolants, 5 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 RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-28 23:31:19,531 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90c73230-835d-4d04-a72a-4e0b3227a758/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### 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_90c73230-835d-4d04-a72a-4e0b3227a758/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90c73230-835d-4d04-a72a-4e0b3227a758/bin/uautomizer-verify-BQ2R08f2Ya/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90c73230-835d-4d04-a72a-4e0b3227a758/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90c73230-835d-4d04-a72a-4e0b3227a758/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/longjmp/68-longjmp_19-simpler_true.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90c73230-835d-4d04-a72a-4e0b3227a758/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90c73230-835d-4d04-a72a-4e0b3227a758/bin/uautomizer-verify-BQ2R08f2Ya --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 Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash b4b1285e1e15d49480c2da398d1b140bea8ea9759fba62976c73931387bed3cf --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-28 23:31:21,460 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-28 23:31:21,540 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90c73230-835d-4d04-a72a-4e0b3227a758/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2023-11-28 23:31:21,547 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-28 23:31:21,547 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-28 23:31:21,572 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-28 23:31:21,573 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-28 23:31:21,574 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-28 23:31:21,574 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-28 23:31:21,575 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-28 23:31:21,575 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-28 23:31:21,576 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-28 23:31:21,577 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-28 23:31:21,577 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-28 23:31:21,578 INFO L153 SettingsManager]: * Use SBE=true [2023-11-28 23:31:21,578 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-28 23:31:21,579 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-28 23:31:21,579 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-28 23:31:21,580 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-28 23:31:21,580 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-28 23:31:21,580 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-28 23:31:21,582 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-28 23:31:21,582 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-28 23:31:21,582 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-28 23:31:21,582 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-28 23:31:21,583 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-28 23:31:21,583 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-28 23:31:21,583 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-28 23:31:21,584 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-28 23:31:21,584 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-28 23:31:21,585 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-28 23:31:21,585 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-28 23:31:21,585 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-28 23:31:21,586 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-28 23:31:21,586 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-28 23:31:21,586 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-28 23:31:21,586 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-28 23:31:21,586 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-28 23:31:21,587 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-28 23:31:21,587 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-28 23:31:21,587 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-28 23:31:21,587 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-28 23:31:21,587 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_90c73230-835d-4d04-a72a-4e0b3227a758/bin/uautomizer-verify-BQ2R08f2Ya/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90c73230-835d-4d04-a72a-4e0b3227a758/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b4b1285e1e15d49480c2da398d1b140bea8ea9759fba62976c73931387bed3cf [2023-11-28 23:31:21,878 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-28 23:31:21,899 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-28 23:31:21,902 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-28 23:31:21,903 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-28 23:31:21,904 INFO L274 PluginConnector]: CDTParser initialized [2023-11-28 23:31:21,905 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90c73230-835d-4d04-a72a-4e0b3227a758/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/longjmp/68-longjmp_19-simpler_true.i [2023-11-28 23:31:24,649 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-28 23:31:24,889 INFO L384 CDTParser]: Found 1 translation units. [2023-11-28 23:31:24,890 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90c73230-835d-4d04-a72a-4e0b3227a758/sv-benchmarks/c/longjmp/68-longjmp_19-simpler_true.i [2023-11-28 23:31:24,907 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90c73230-835d-4d04-a72a-4e0b3227a758/bin/uautomizer-verify-BQ2R08f2Ya/data/e1e78aa83/6700a79c9f2547bf99fccd0f84d24abf/FLAG9f1cd7cb6 [2023-11-28 23:31:25,206 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90c73230-835d-4d04-a72a-4e0b3227a758/bin/uautomizer-verify-BQ2R08f2Ya/data/e1e78aa83/6700a79c9f2547bf99fccd0f84d24abf [2023-11-28 23:31:25,209 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-28 23:31:25,211 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-28 23:31:25,212 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-28 23:31:25,212 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-28 23:31:25,217 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-28 23:31:25,218 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 11:31:25" (1/1) ... [2023-11-28 23:31:25,219 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@16331d1a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:31:25, skipping insertion in model container [2023-11-28 23:31:25,219 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 11:31:25" (1/1) ... [2023-11-28 23:31:25,269 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-28 23:31:25,418 WARN L240 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_90c73230-835d-4d04-a72a-4e0b3227a758/sv-benchmarks/c/longjmp/68-longjmp_19-simpler_true.i[1081,1094] [2023-11-28 23:31:25,571 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-28 23:31:25,587 INFO L202 MainTranslator]: Completed pre-run [2023-11-28 23:31:25,596 WARN L240 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_90c73230-835d-4d04-a72a-4e0b3227a758/sv-benchmarks/c/longjmp/68-longjmp_19-simpler_true.i[1081,1094] [2023-11-28 23:31:25,626 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-28 23:31:25,692 INFO L206 MainTranslator]: Completed translation [2023-11-28 23:31:25,700 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:31:25 WrapperNode [2023-11-28 23:31:25,700 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-28 23:31:25,701 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-28 23:31:25,701 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-28 23:31:25,701 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-28 23:31:25,709 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:31:25" (1/1) ... [2023-11-28 23:31:25,731 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:31:25" (1/1) ... [2023-11-28 23:31:25,750 INFO L138 Inliner]: procedures = 188, calls = 8, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 34 [2023-11-28 23:31:25,751 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-28 23:31:25,752 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-28 23:31:25,752 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-28 23:31:25,752 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-28 23:31:25,762 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:31:25" (1/1) ... [2023-11-28 23:31:25,762 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:31:25" (1/1) ... [2023-11-28 23:31:25,765 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:31:25" (1/1) ... [2023-11-28 23:31:25,775 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2023-11-28 23:31:25,776 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:31:25" (1/1) ... [2023-11-28 23:31:25,776 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:31:25" (1/1) ... [2023-11-28 23:31:25,781 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:31:25" (1/1) ... [2023-11-28 23:31:25,784 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:31:25" (1/1) ... [2023-11-28 23:31:25,786 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:31:25" (1/1) ... [2023-11-28 23:31:25,787 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:31:25" (1/1) ... [2023-11-28 23:31:25,790 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-28 23:31:25,791 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-28 23:31:25,791 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-28 23:31:25,791 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-28 23:31:25,792 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:31:25" (1/1) ... [2023-11-28 23:31:25,798 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-28 23:31:25,809 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90c73230-835d-4d04-a72a-4e0b3227a758/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 23:31:25,823 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90c73230-835d-4d04-a72a-4e0b3227a758/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-28 23:31:25,829 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90c73230-835d-4d04-a72a-4e0b3227a758/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-28 23:31:25,860 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-28 23:31:25,860 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-11-28 23:31:25,861 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-28 23:31:25,861 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-28 23:31:25,958 INFO L241 CfgBuilder]: Building ICFG [2023-11-28 23:31:25,960 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-28 23:31:26,052 INFO L282 CfgBuilder]: Performing block encoding [2023-11-28 23:31:26,075 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-28 23:31:26,075 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-28 23:31:26,076 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:31:26 BoogieIcfgContainer [2023-11-28 23:31:26,076 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-28 23:31:26,078 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-28 23:31:26,079 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-28 23:31:26,082 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-28 23:31:26,082 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 11:31:25" (1/3) ... [2023-11-28 23:31:26,083 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c59045e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 11:31:26, skipping insertion in model container [2023-11-28 23:31:26,083 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:31:25" (2/3) ... [2023-11-28 23:31:26,083 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c59045e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 11:31:26, skipping insertion in model container [2023-11-28 23:31:26,083 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:31:26" (3/3) ... [2023-11-28 23:31:26,084 INFO L112 eAbstractionObserver]: Analyzing ICFG 68-longjmp_19-simpler_true.i [2023-11-28 23:31:26,103 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-28 23:31:26,103 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2023-11-28 23:31:26,145 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-28 23:31:26,152 INFO L357 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, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, 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;@509a6879, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-28 23:31:26,153 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2023-11-28 23:31:26,157 INFO L276 IsEmpty]: Start isEmpty. Operand has 8 states, 5 states have (on average 1.8) internal successors, (9), 7 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) [2023-11-28 23:31:26,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-28 23:31:26,162 INFO L187 NwaCegarLoop]: Found error trace [2023-11-28 23:31:26,163 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1] [2023-11-28 23:31:26,164 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONUNKNOWN] === [2023-11-28 23:31:26,169 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 23:31:26,169 INFO L85 PathProgramCache]: Analyzing trace with hash 53978, now seen corresponding path program 1 times [2023-11-28 23:31:26,186 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-28 23:31:26,186 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1888641771] [2023-11-28 23:31:26,187 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 23:31:26,187 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-28 23:31:26,187 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90c73230-835d-4d04-a72a-4e0b3227a758/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-28 23:31:26,214 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90c73230-835d-4d04-a72a-4e0b3227a758/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-28 23:31:26,215 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90c73230-835d-4d04-a72a-4e0b3227a758/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2023-11-28 23:31:26,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 23:31:26,295 INFO L262 TraceCheckSpWp]: Trace formula consists of 30 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-28 23:31:26,299 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-28 23:31:26,359 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-28 23:31:26,360 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-28 23:31:26,360 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-28 23:31:26,361 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1888641771] [2023-11-28 23:31:26,361 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1888641771] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-28 23:31:26,362 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-28 23:31:26,362 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-28 23:31:26,364 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1695377744] [2023-11-28 23:31:26,364 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-28 23:31:26,368 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-28 23:31:26,369 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-28 23:31:26,393 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-28 23:31:26,394 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-28 23:31:26,395 INFO L87 Difference]: Start difference. First operand has 8 states, 5 states have (on average 1.8) internal successors, (9), 7 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) Second operand has 3 states, 3 states have (on average 1.0) internal successors, (3), 2 states have internal predecessors, (3), 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) [2023-11-28 23:31:26,422 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-28 23:31:26,423 INFO L93 Difference]: Finished difference Result 11 states and 13 transitions. [2023-11-28 23:31:26,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-28 23:31:26,426 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 1.0) internal successors, (3), 2 states have internal predecessors, (3), 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 3 [2023-11-28 23:31:26,426 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-28 23:31:26,432 INFO L225 Difference]: With dead ends: 11 [2023-11-28 23:31:26,433 INFO L226 Difference]: Without dead ends: 5 [2023-11-28 23:31:26,435 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-28 23:31:26,438 INFO L413 NwaCegarLoop]: 2 mSDtfsCounter, 1 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 3 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-28 23:31:26,439 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 3 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-28 23:31:26,452 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5 states. [2023-11-28 23:31:26,459 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5 to 5. [2023-11-28 23:31:26,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 4 states have (on average 1.0) internal successors, (4), 4 states have internal predecessors, (4), 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) [2023-11-28 23:31:26,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 4 transitions. [2023-11-28 23:31:26,462 INFO L78 Accepts]: Start accepts. Automaton has 5 states and 4 transitions. Word has length 3 [2023-11-28 23:31:26,462 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-28 23:31:26,462 INFO L495 AbstractCegarLoop]: Abstraction has 5 states and 4 transitions. [2023-11-28 23:31:26,462 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1.0) internal successors, (3), 2 states have internal predecessors, (3), 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) [2023-11-28 23:31:26,462 INFO L276 IsEmpty]: Start isEmpty. Operand 5 states and 4 transitions. [2023-11-28 23:31:26,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-28 23:31:26,463 INFO L187 NwaCegarLoop]: Found error trace [2023-11-28 23:31:26,463 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2023-11-28 23:31:26,467 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90c73230-835d-4d04-a72a-4e0b3227a758/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2023-11-28 23:31:26,664 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90c73230-835d-4d04-a72a-4e0b3227a758/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-28 23:31:26,664 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONUNKNOWN === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONUNKNOWN] === [2023-11-28 23:31:26,665 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 23:31:26,665 INFO L85 PathProgramCache]: Analyzing trace with hash 1678294, now seen corresponding path program 1 times [2023-11-28 23:31:26,666 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-28 23:31:26,666 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [304031624] [2023-11-28 23:31:26,666 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 23:31:26,666 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-28 23:31:26,667 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90c73230-835d-4d04-a72a-4e0b3227a758/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-28 23:31:26,668 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90c73230-835d-4d04-a72a-4e0b3227a758/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-28 23:31:26,669 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90c73230-835d-4d04-a72a-4e0b3227a758/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2023-11-28 23:31:26,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-28 23:31:26,728 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-28 23:31:26,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-28 23:31:26,750 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2023-11-28 23:31:26,751 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-28 23:31:26,752 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONUNKNOWN (1 of 2 remaining) [2023-11-28 23:31:26,753 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 2 remaining) [2023-11-28 23:31:26,756 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90c73230-835d-4d04-a72a-4e0b3227a758/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2023-11-28 23:31:26,954 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90c73230-835d-4d04-a72a-4e0b3227a758/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-28 23:31:26,957 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2023-11-28 23:31:26,960 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-28 23:31:26,973 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 11:31:26 BoogieIcfgContainer [2023-11-28 23:31:26,973 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-28 23:31:26,973 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-28 23:31:26,974 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-28 23:31:26,974 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-28 23:31:26,974 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:31:26" (3/4) ... [2023-11-28 23:31:26,976 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-28 23:31:26,977 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-28 23:31:26,978 INFO L158 Benchmark]: Toolchain (without parser) took 1766.84ms. Allocated memory was 79.7MB in the beginning and 104.9MB in the end (delta: 25.2MB). Free memory was 55.0MB in the beginning and 60.5MB in the end (delta: -5.5MB). Peak memory consumption was 23.2MB. Max. memory is 16.1GB. [2023-11-28 23:31:26,978 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 79.7MB. Free memory was 56.0MB in the beginning and 55.8MB in the end (delta: 139.8kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-28 23:31:26,979 INFO L158 Benchmark]: CACSL2BoogieTranslator took 488.27ms. Allocated memory is still 79.7MB. Free memory was 54.8MB in the beginning and 53.8MB in the end (delta: 1.1MB). Peak memory consumption was 24.5MB. Max. memory is 16.1GB. [2023-11-28 23:31:26,979 INFO L158 Benchmark]: Boogie Procedure Inliner took 49.97ms. Allocated memory is still 79.7MB. Free memory was 53.8MB in the beginning and 51.7MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-28 23:31:26,980 INFO L158 Benchmark]: Boogie Preprocessor took 38.89ms. Allocated memory is still 79.7MB. Free memory was 51.7MB in the beginning and 49.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-28 23:31:26,980 INFO L158 Benchmark]: RCFGBuilder took 284.90ms. Allocated memory is still 79.7MB. Free memory was 49.3MB in the beginning and 38.8MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-28 23:31:26,981 INFO L158 Benchmark]: TraceAbstraction took 894.52ms. Allocated memory was 79.7MB in the beginning and 104.9MB in the end (delta: 25.2MB). Free memory was 38.1MB in the beginning and 60.5MB in the end (delta: -22.4MB). Peak memory consumption was 5.0MB. Max. memory is 16.1GB. [2023-11-28 23:31:26,981 INFO L158 Benchmark]: Witness Printer took 3.31ms. Allocated memory is still 104.9MB. Free memory is still 60.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-28 23:31:26,984 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 79.7MB. Free memory was 56.0MB in the beginning and 55.8MB in the end (delta: 139.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 488.27ms. Allocated memory is still 79.7MB. Free memory was 54.8MB in the beginning and 53.8MB in the end (delta: 1.1MB). Peak memory consumption was 24.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 49.97ms. Allocated memory is still 79.7MB. Free memory was 53.8MB in the beginning and 51.7MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 38.89ms. Allocated memory is still 79.7MB. Free memory was 51.7MB in the beginning and 49.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 284.90ms. Allocated memory is still 79.7MB. Free memory was 49.3MB in the beginning and 38.8MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * TraceAbstraction took 894.52ms. Allocated memory was 79.7MB in the beginning and 104.9MB in the end (delta: 25.2MB). Free memory was 38.1MB in the beginning and 60.5MB in the end (delta: -22.4MB). Peak memory consumption was 5.0MB. Max. memory is 16.1GB. * Witness Printer took 3.31ms. Allocated memory is still 104.9MB. Free memory is still 60.5MB. There was no memory consumed. 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 - UnprovableResult [Line: 726]: Unable to prove that unknown kind of specification holds Unable to prove that unknown kind of specification holds Reason: overapproximation of longjmp at line 726. Possible FailurePath: [L723] jmp_buf env_buffer; [L724] int global = 0; [L729] int val; [L730] CALL __VERIFIER_assert(global == 0) [L19] COND FALSE !(!(cond)) VAL [\old(cond)=1, cond=1, global=0] [L730] RET __VERIFIER_assert(global == 0) [L732] CALL fun() [L726] longjmp(env_buffer, 2) VAL [global=0] - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 8 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.8s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1 mSDsluCounter, 3 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3 IncrementalHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 2 mSDtfsCounter, 3 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=8occurred in iteration=0, InterpolantAutomatonStates: 3, 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, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 7 NumberOfCodeBlocks, 7 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 2 ConstructedInterpolants, 0 QuantifiedInterpolants, 4 SizeOfPredicates, 2 NumberOfNonLiveVariables, 30 ConjunctsInSsa, 4 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 RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-28 23:31:27,001 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90c73230-835d-4d04-a72a-4e0b3227a758/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample