./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/longjmp/68-longjmp_21-multifun_true.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 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_fabb4ee7-dbca-4016-bdca-209e72d5c184/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fabb4ee7-dbca-4016-bdca-209e72d5c184/bin/utaipan-verify-YMUCfTKeje/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fabb4ee7-dbca-4016-bdca-209e72d5c184/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fabb4ee7-dbca-4016-bdca-209e72d5c184/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/longjmp/68-longjmp_21-multifun_true.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fabb4ee7-dbca-4016-bdca-209e72d5c184/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fabb4ee7-dbca-4016-bdca-209e72d5c184/bin/utaipan-verify-YMUCfTKeje --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 64bit --witnessprinter.graph.data.programhash 7369ea4ee9f774e86c58ecafdaa47e2405a7cd4924445ba2bcccaf2065ef28a3 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 01:05:31,033 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 01:05:31,095 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fabb4ee7-dbca-4016-bdca-209e72d5c184/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-64bit-Taipan_Default.epf [2024-11-09 01:05:31,100 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 01:05:31,100 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 01:05:31,139 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 01:05:31,139 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 01:05:31,140 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 01:05:31,140 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 01:05:31,142 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 01:05:31,143 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 01:05:31,143 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 01:05:31,144 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 01:05:31,144 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-09 01:05:31,145 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 01:05:31,145 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 01:05:31,145 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-09 01:05:31,146 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-09 01:05:31,146 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 01:05:31,150 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-09 01:05:31,151 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-09 01:05:31,151 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-09 01:05:31,152 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 01:05:31,152 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 01:05:31,152 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 01:05:31,153 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 01:05:31,153 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 01:05:31,153 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 01:05:31,153 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 01:05:31,154 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 01:05:31,154 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 01:05:31,154 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 01:05:31,159 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 01:05:31,159 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 01:05:31,159 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 01:05:31,160 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 01:05:31,160 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 01:05:31,160 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 01:05:31,161 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 01:05:31,161 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-09 01:05:31,161 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 01:05:31,164 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 01:05:31,165 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 01:05:31,165 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 01:05:31,165 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_fabb4ee7-dbca-4016-bdca-209e72d5c184/bin/utaipan-verify-YMUCfTKeje/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fabb4ee7-dbca-4016-bdca-209e72d5c184/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7369ea4ee9f774e86c58ecafdaa47e2405a7cd4924445ba2bcccaf2065ef28a3 [2024-11-09 01:05:31,434 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 01:05:31,461 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 01:05:31,467 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 01:05:31,468 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 01:05:31,469 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 01:05:31,470 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fabb4ee7-dbca-4016-bdca-209e72d5c184/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/longjmp/68-longjmp_21-multifun_true.i Unable to find full path for "g++" [2024-11-09 01:05:33,468 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 01:05:33,802 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 01:05:33,803 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fabb4ee7-dbca-4016-bdca-209e72d5c184/sv-benchmarks/c/longjmp/68-longjmp_21-multifun_true.i [2024-11-09 01:05:33,829 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fabb4ee7-dbca-4016-bdca-209e72d5c184/bin/utaipan-verify-YMUCfTKeje/data/be470c336/f5a333697f87470ab0f37a3de89e23e4/FLAG86e53886e [2024-11-09 01:05:33,844 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fabb4ee7-dbca-4016-bdca-209e72d5c184/bin/utaipan-verify-YMUCfTKeje/data/be470c336/f5a333697f87470ab0f37a3de89e23e4 [2024-11-09 01:05:33,845 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 01:05:33,847 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 01:05:33,848 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 01:05:33,848 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 01:05:33,854 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 01:05:33,857 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 01:05:33" (1/1) ... [2024-11-09 01:05:33,858 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6acde3f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:05:33, skipping insertion in model container [2024-11-09 01:05:33,859 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 01:05:33" (1/1) ... [2024-11-09 01:05:33,910 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 01:05:34,105 WARN L250 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_fabb4ee7-dbca-4016-bdca-209e72d5c184/sv-benchmarks/c/longjmp/68-longjmp_21-multifun_true.i[1082,1095] [2024-11-09 01:05:34,362 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 01:05:34,386 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 01:05:34,400 WARN L250 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_fabb4ee7-dbca-4016-bdca-209e72d5c184/sv-benchmarks/c/longjmp/68-longjmp_21-multifun_true.i[1082,1095] [2024-11-09 01:05:34,454 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 01:05:34,505 INFO L204 MainTranslator]: Completed translation [2024-11-09 01:05:34,506 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:05:34 WrapperNode [2024-11-09 01:05:34,506 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 01:05:34,507 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 01:05:34,508 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 01:05:34,508 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 01:05:34,514 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:05:34" (1/1) ... [2024-11-09 01:05:34,529 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:05:34" (1/1) ... [2024-11-09 01:05:34,552 INFO L138 Inliner]: procedures = 192, calls = 10, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 46 [2024-11-09 01:05:34,553 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 01:05:34,554 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 01:05:34,554 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 01:05:34,554 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 01:05:34,562 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:05:34" (1/1) ... [2024-11-09 01:05:34,563 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:05:34" (1/1) ... [2024-11-09 01:05:34,565 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:05:34" (1/1) ... [2024-11-09 01:05:34,566 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:05:34" (1/1) ... [2024-11-09 01:05:34,570 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:05:34" (1/1) ... [2024-11-09 01:05:34,573 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:05:34" (1/1) ... [2024-11-09 01:05:34,575 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:05:34" (1/1) ... [2024-11-09 01:05:34,576 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:05:34" (1/1) ... [2024-11-09 01:05:34,578 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 01:05:34,579 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 01:05:34,579 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 01:05:34,579 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 01:05:34,580 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:05:34" (1/1) ... [2024-11-09 01:05:34,592 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 01:05:34,603 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fabb4ee7-dbca-4016-bdca-209e72d5c184/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 01:05:34,619 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fabb4ee7-dbca-4016-bdca-209e72d5c184/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 01:05:34,623 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fabb4ee7-dbca-4016-bdca-209e72d5c184/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 01:05:34,657 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-09 01:05:34,657 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-09 01:05:34,658 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 01:05:34,658 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 01:05:34,658 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 01:05:34,658 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 01:05:34,751 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 01:05:34,754 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 01:05:34,876 INFO L? ?]: Removed 5 outVars from TransFormulas that were not future-live. [2024-11-09 01:05:34,876 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 01:05:34,912 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 01:05:34,912 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-09 01:05:34,913 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 01:05:34 BoogieIcfgContainer [2024-11-09 01:05:34,913 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 01:05:34,916 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 01:05:34,916 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 01:05:34,920 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 01:05:34,920 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 01:05:33" (1/3) ... [2024-11-09 01:05:34,921 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ac5a744 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 01:05:34, skipping insertion in model container [2024-11-09 01:05:34,921 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:05:34" (2/3) ... [2024-11-09 01:05:34,921 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ac5a744 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 01:05:34, skipping insertion in model container [2024-11-09 01:05:34,922 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 01:05:34" (3/3) ... [2024-11-09 01:05:34,923 INFO L112 eAbstractionObserver]: Analyzing ICFG 68-longjmp_21-multifun_true.i [2024-11-09 01:05:34,943 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 01:05:34,944 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-09 01:05:35,015 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 01:05:35,021 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;@51abaee1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 01:05:35,021 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-09 01:05:35,028 INFO L276 IsEmpty]: Start isEmpty. Operand has 14 states, 8 states have (on average 1.625) internal successors, (13), 11 states have internal predecessors, (13), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-09 01:05:35,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-09 01:05:35,037 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 01:05:35,037 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2024-11-09 01:05:35,038 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 01:05:35,043 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 01:05:35,043 INFO L85 PathProgramCache]: Analyzing trace with hash 70392258, now seen corresponding path program 1 times [2024-11-09 01:05:35,053 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 01:05:35,054 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1123505489] [2024-11-09 01:05:35,054 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 01:05:35,054 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 01:05:35,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:05:35,512 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 01:05:35,513 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 01:05:35,513 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1123505489] [2024-11-09 01:05:35,514 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1123505489] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 01:05:35,514 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 01:05:35,514 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 01:05:35,516 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [262884429] [2024-11-09 01:05:35,517 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 01:05:35,521 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 01:05:35,522 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 01:05:35,544 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 01:05:35,545 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-09 01:05:35,547 INFO L87 Difference]: Start difference. First operand has 14 states, 8 states have (on average 1.625) internal successors, (13), 11 states have internal predecessors, (13), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 5 states, 4 states have (on average 1.0) internal successors, (4), 3 states have internal predecessors, (4), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 01:05:35,652 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 01:05:35,652 INFO L93 Difference]: Finished difference Result 21 states and 27 transitions. [2024-11-09 01:05:35,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 01:05:35,656 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 1.0) internal successors, (4), 3 states have internal predecessors, (4), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2024-11-09 01:05:35,657 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 01:05:35,663 INFO L225 Difference]: With dead ends: 21 [2024-11-09 01:05:35,663 INFO L226 Difference]: Without dead ends: 9 [2024-11-09 01:05:35,667 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-09 01:05:35,672 INFO L432 NwaCegarLoop]: 4 mSDtfsCounter, 7 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 10 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 01:05:35,674 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 10 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 01:05:35,694 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states. [2024-11-09 01:05:35,707 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 9. [2024-11-09 01:05:35,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 6 states have (on average 1.0) internal successors, (6), 6 states have internal predecessors, (6), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-09 01:05:35,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 8 transitions. [2024-11-09 01:05:35,712 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 8 transitions. Word has length 5 [2024-11-09 01:05:35,713 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 01:05:35,713 INFO L471 AbstractCegarLoop]: Abstraction has 9 states and 8 transitions. [2024-11-09 01:05:35,714 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 1.0) internal successors, (4), 3 states have internal predecessors, (4), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 01:05:35,714 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 8 transitions. [2024-11-09 01:05:35,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-09 01:05:35,715 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 01:05:35,716 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 01:05:35,716 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 01:05:35,716 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE === [ULTIMATE.startErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 01:05:35,717 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 01:05:35,717 INFO L85 PathProgramCache]: Analyzing trace with hash 1116520904, now seen corresponding path program 1 times [2024-11-09 01:05:35,717 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 01:05:35,718 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1935179886] [2024-11-09 01:05:35,718 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 01:05:35,718 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 01:05:35,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 01:05:35,770 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 01:05:35,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 01:05:35,814 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2024-11-09 01:05:35,814 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-09 01:05:35,816 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE (1 of 2 remaining) [2024-11-09 01:05:35,818 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 2 remaining) [2024-11-09 01:05:35,819 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-09 01:05:35,823 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1] [2024-11-09 01:05:35,842 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-09 01:05:35,849 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 01:05:35 BoogieIcfgContainer [2024-11-09 01:05:35,850 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-09 01:05:35,851 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 01:05:35,851 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 01:05:35,851 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 01:05:35,851 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 01:05:34" (3/4) ... [2024-11-09 01:05:35,855 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-09 01:05:35,856 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 01:05:35,859 INFO L158 Benchmark]: Toolchain (without parser) took 2011.28ms. Allocated memory is still 184.5MB. Free memory was 148.3MB in the beginning and 127.6MB in the end (delta: 20.7MB). Peak memory consumption was 23.4MB. Max. memory is 16.1GB. [2024-11-09 01:05:35,859 INFO L158 Benchmark]: CDTParser took 1.32ms. Allocated memory is still 117.4MB. Free memory is still 67.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 01:05:35,860 INFO L158 Benchmark]: CACSL2BoogieTranslator took 658.88ms. Allocated memory is still 184.5MB. Free memory was 147.8MB in the beginning and 123.6MB in the end (delta: 24.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-09 01:05:35,860 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.94ms. Allocated memory is still 184.5MB. Free memory was 123.6MB in the beginning and 121.6MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 01:05:35,862 INFO L158 Benchmark]: Boogie Preprocessor took 24.23ms. Allocated memory is still 184.5MB. Free memory was 121.6MB in the beginning and 120.5MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 01:05:35,862 INFO L158 Benchmark]: RCFGBuilder took 334.20ms. Allocated memory is still 184.5MB. Free memory was 120.0MB in the beginning and 109.0MB in the end (delta: 11.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-11-09 01:05:35,863 INFO L158 Benchmark]: TraceAbstraction took 934.16ms. Allocated memory is still 184.5MB. Free memory was 108.0MB in the beginning and 128.5MB in the end (delta: -20.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 01:05:35,863 INFO L158 Benchmark]: Witness Printer took 6.75ms. Allocated memory is still 184.5MB. Free memory was 128.5MB in the beginning and 127.6MB in the end (delta: 954.4kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 01:05:35,867 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.32ms. Allocated memory is still 117.4MB. Free memory is still 67.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 658.88ms. Allocated memory is still 184.5MB. Free memory was 147.8MB in the beginning and 123.6MB in the end (delta: 24.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 45.94ms. Allocated memory is still 184.5MB. Free memory was 123.6MB in the beginning and 121.6MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 24.23ms. Allocated memory is still 184.5MB. Free memory was 121.6MB in the beginning and 120.5MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 334.20ms. Allocated memory is still 184.5MB. Free memory was 120.0MB in the beginning and 109.0MB in the end (delta: 11.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * TraceAbstraction took 934.16ms. Allocated memory is still 184.5MB. Free memory was 108.0MB in the beginning and 128.5MB in the end (delta: -20.6MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 6.75ms. Allocated memory is still 184.5MB. Free memory was 128.5MB in the beginning and 127.6MB in the end (delta: 954.4kB). Peak memory consumption was 2.1MB. 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: 738]: Unable to prove that there are no unsupported features in the program Unable to prove that there are no unsupported features in the program Reason: overapproximation of longjmp at line 738. Possible FailurePath: [L734] jmp_buf env_buffer; [L735] int global = 0; [L745] int val; VAL [global=0] [L746] CALL __VERIFIER_assert(global == 0) VAL [\old(cond)=1, global=0] [L19] COND FALSE !(!(cond)) VAL [\old(cond)=1, global=0] [L746] RET __VERIFIER_assert(global == 0) VAL [global=0] [L748] CALL fun() [L741] global = 42 [L742] CALL foo() [L737] int local = 7; VAL [global=42] [L738] longjmp(env_buffer, 2) VAL [global=42] - 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 2 procedures, 14 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.8s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 8 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 7 mSDsluCounter, 10 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 6 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 11 IncrementalHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 4 mSDtfsCounter, 11 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=14occurred in iteration=0, InterpolantAutomatonStates: 5, 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, 0.3s InterpolantComputationTime, 13 NumberOfCodeBlocks, 13 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 4 ConstructedInterpolants, 0 QuantifiedInterpolants, 12 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 [2024-11-09 01:05:35,905 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fabb4ee7-dbca-4016-bdca-209e72d5c184/bin/utaipan-verify-YMUCfTKeje/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 Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### 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_fabb4ee7-dbca-4016-bdca-209e72d5c184/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fabb4ee7-dbca-4016-bdca-209e72d5c184/bin/utaipan-verify-YMUCfTKeje/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fabb4ee7-dbca-4016-bdca-209e72d5c184/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fabb4ee7-dbca-4016-bdca-209e72d5c184/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/longjmp/68-longjmp_21-multifun_true.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fabb4ee7-dbca-4016-bdca-209e72d5c184/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fabb4ee7-dbca-4016-bdca-209e72d5c184/bin/utaipan-verify-YMUCfTKeje --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 64bit --witnessprinter.graph.data.programhash 7369ea4ee9f774e86c58ecafdaa47e2405a7cd4924445ba2bcccaf2065ef28a3 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 01:05:38,300 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 01:05:38,395 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fabb4ee7-dbca-4016-bdca-209e72d5c184/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2024-11-09 01:05:38,400 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 01:05:38,403 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 01:05:38,439 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 01:05:38,440 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 01:05:38,441 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 01:05:38,442 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 01:05:38,444 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 01:05:38,444 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 01:05:38,444 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 01:05:38,445 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 01:05:38,445 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 01:05:38,447 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 01:05:38,448 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 01:05:38,449 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 01:05:38,449 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 01:05:38,450 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 01:05:38,450 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 01:05:38,450 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 01:05:38,455 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 01:05:38,455 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-09 01:05:38,455 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-09 01:05:38,456 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 01:05:38,456 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-09 01:05:38,456 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 01:05:38,457 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 01:05:38,457 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 01:05:38,457 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 01:05:38,458 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 01:05:38,458 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 01:05:38,458 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 01:05:38,459 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 01:05:38,459 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 01:05:38,459 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 01:05:38,459 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-09 01:05:38,460 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-09 01:05:38,460 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 01:05:38,460 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 01:05:38,461 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_fabb4ee7-dbca-4016-bdca-209e72d5c184/bin/utaipan-verify-YMUCfTKeje/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fabb4ee7-dbca-4016-bdca-209e72d5c184/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7369ea4ee9f774e86c58ecafdaa47e2405a7cd4924445ba2bcccaf2065ef28a3 [2024-11-09 01:05:38,825 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 01:05:38,855 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 01:05:38,858 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 01:05:38,860 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 01:05:38,860 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 01:05:38,862 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fabb4ee7-dbca-4016-bdca-209e72d5c184/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/longjmp/68-longjmp_21-multifun_true.i Unable to find full path for "g++" [2024-11-09 01:05:41,085 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 01:05:41,402 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 01:05:41,402 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fabb4ee7-dbca-4016-bdca-209e72d5c184/sv-benchmarks/c/longjmp/68-longjmp_21-multifun_true.i [2024-11-09 01:05:41,421 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fabb4ee7-dbca-4016-bdca-209e72d5c184/bin/utaipan-verify-YMUCfTKeje/data/e18bd311e/a5c1daffd3a749149e188c8f0d7e77b9/FLAGd99764390 [2024-11-09 01:05:41,442 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fabb4ee7-dbca-4016-bdca-209e72d5c184/bin/utaipan-verify-YMUCfTKeje/data/e18bd311e/a5c1daffd3a749149e188c8f0d7e77b9 [2024-11-09 01:05:41,446 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 01:05:41,449 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 01:05:41,451 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 01:05:41,451 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 01:05:41,461 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 01:05:41,462 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 01:05:41" (1/1) ... [2024-11-09 01:05:41,463 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@b1c7495 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:05:41, skipping insertion in model container [2024-11-09 01:05:41,464 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 01:05:41" (1/1) ... [2024-11-09 01:05:41,527 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 01:05:41,817 WARN L250 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_fabb4ee7-dbca-4016-bdca-209e72d5c184/sv-benchmarks/c/longjmp/68-longjmp_21-multifun_true.i[1082,1095] [2024-11-09 01:05:42,105 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 01:05:42,128 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 01:05:42,145 WARN L250 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_fabb4ee7-dbca-4016-bdca-209e72d5c184/sv-benchmarks/c/longjmp/68-longjmp_21-multifun_true.i[1082,1095] [2024-11-09 01:05:42,198 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 01:05:42,254 INFO L204 MainTranslator]: Completed translation [2024-11-09 01:05:42,255 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:05:42 WrapperNode [2024-11-09 01:05:42,255 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 01:05:42,257 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 01:05:42,257 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 01:05:42,257 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 01:05:42,266 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:05:42" (1/1) ... [2024-11-09 01:05:42,288 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:05:42" (1/1) ... [2024-11-09 01:05:42,313 INFO L138 Inliner]: procedures = 193, calls = 10, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 47 [2024-11-09 01:05:42,314 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 01:05:42,316 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 01:05:42,317 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 01:05:42,317 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 01:05:42,328 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:05:42" (1/1) ... [2024-11-09 01:05:42,328 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:05:42" (1/1) ... [2024-11-09 01:05:42,337 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:05:42" (1/1) ... [2024-11-09 01:05:42,337 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:05:42" (1/1) ... [2024-11-09 01:05:42,350 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:05:42" (1/1) ... [2024-11-09 01:05:42,356 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:05:42" (1/1) ... [2024-11-09 01:05:42,358 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:05:42" (1/1) ... [2024-11-09 01:05:42,359 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:05:42" (1/1) ... [2024-11-09 01:05:42,365 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 01:05:42,366 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 01:05:42,366 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 01:05:42,366 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 01:05:42,371 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:05:42" (1/1) ... [2024-11-09 01:05:42,383 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 01:05:42,407 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fabb4ee7-dbca-4016-bdca-209e72d5c184/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 01:05:42,421 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fabb4ee7-dbca-4016-bdca-209e72d5c184/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 01:05:42,427 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fabb4ee7-dbca-4016-bdca-209e72d5c184/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 01:05:42,461 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-09 01:05:42,461 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-09 01:05:42,462 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 01:05:42,462 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-09 01:05:42,462 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 01:05:42,462 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 01:05:42,567 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 01:05:42,574 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 01:05:42,838 INFO L? ?]: Removed 5 outVars from TransFormulas that were not future-live. [2024-11-09 01:05:42,838 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 01:05:42,853 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 01:05:42,853 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-09 01:05:42,853 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 01:05:42 BoogieIcfgContainer [2024-11-09 01:05:42,854 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 01:05:42,856 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 01:05:42,856 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 01:05:42,859 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 01:05:42,859 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 01:05:41" (1/3) ... [2024-11-09 01:05:42,860 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1dd9b759 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 01:05:42, skipping insertion in model container [2024-11-09 01:05:42,860 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:05:42" (2/3) ... [2024-11-09 01:05:42,861 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1dd9b759 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 01:05:42, skipping insertion in model container [2024-11-09 01:05:42,861 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 01:05:42" (3/3) ... [2024-11-09 01:05:42,862 INFO L112 eAbstractionObserver]: Analyzing ICFG 68-longjmp_21-multifun_true.i [2024-11-09 01:05:42,883 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 01:05:42,884 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-09 01:05:42,957 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 01:05:42,963 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;@4b389054, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 01:05:42,963 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-09 01:05:42,968 INFO L276 IsEmpty]: Start isEmpty. Operand has 19 states, 13 states have (on average 1.3846153846153846) internal successors, (18), 16 states have internal predecessors, (18), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-09 01:05:42,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-09 01:05:42,976 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 01:05:42,976 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-11-09 01:05:42,977 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 01:05:42,983 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 01:05:42,983 INFO L85 PathProgramCache]: Analyzing trace with hash 890478906, now seen corresponding path program 1 times [2024-11-09 01:05:42,996 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 01:05:42,997 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [872379212] [2024-11-09 01:05:42,997 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 01:05:42,997 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 [2024-11-09 01:05:42,998 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fabb4ee7-dbca-4016-bdca-209e72d5c184/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 01:05:43,012 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fabb4ee7-dbca-4016-bdca-209e72d5c184/bin/utaipan-verify-YMUCfTKeje/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) [2024-11-09 01:05:43,013 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fabb4ee7-dbca-4016-bdca-209e72d5c184/bin/utaipan-verify-YMUCfTKeje/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 [2024-11-09 01:05:43,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:05:43,134 INFO L255 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 01:05:43,142 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 01:05:43,295 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 01:05:43,299 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 01:05:43,299 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 01:05:43,300 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [872379212] [2024-11-09 01:05:43,300 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [872379212] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 01:05:43,301 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 01:05:43,301 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 01:05:43,306 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [940349921] [2024-11-09 01:05:43,307 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 01:05:43,311 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 01:05:43,311 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 01:05:43,343 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 01:05:43,344 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-09 01:05:43,346 INFO L87 Difference]: Start difference. First operand has 19 states, 13 states have (on average 1.3846153846153846) internal successors, (18), 16 states have internal predecessors, (18), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 5 states, 5 states have (on average 1.0) internal successors, (5), 3 states have internal predecessors, (5), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 01:05:43,437 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 01:05:43,437 INFO L93 Difference]: Finished difference Result 26 states and 32 transitions. [2024-11-09 01:05:43,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 01:05:43,439 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 1.0) internal successors, (5), 3 states have internal predecessors, (5), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2024-11-09 01:05:43,440 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 01:05:43,444 INFO L225 Difference]: With dead ends: 26 [2024-11-09 01:05:43,444 INFO L226 Difference]: Without dead ends: 10 [2024-11-09 01:05:43,446 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-09 01:05:43,449 INFO L432 NwaCegarLoop]: 6 mSDtfsCounter, 7 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 16 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 01:05:43,450 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 16 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 01:05:43,468 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states. [2024-11-09 01:05:43,481 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 10. [2024-11-09 01:05:43,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10 states, 7 states have (on average 1.0) internal successors, (7), 7 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-09 01:05:43,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 9 transitions. [2024-11-09 01:05:43,485 INFO L78 Accepts]: Start accepts. Automaton has 10 states and 9 transitions. Word has length 6 [2024-11-09 01:05:43,485 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 01:05:43,485 INFO L471 AbstractCegarLoop]: Abstraction has 10 states and 9 transitions. [2024-11-09 01:05:43,485 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 1.0) internal successors, (5), 3 states have internal predecessors, (5), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 01:05:43,486 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 9 transitions. [2024-11-09 01:05:43,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-09 01:05:43,486 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 01:05:43,486 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 01:05:43,491 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fabb4ee7-dbca-4016-bdca-209e72d5c184/bin/utaipan-verify-YMUCfTKeje/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)] Ended with exit code 0 [2024-11-09 01:05:43,687 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fabb4ee7-dbca-4016-bdca-209e72d5c184/bin/utaipan-verify-YMUCfTKeje/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 [2024-11-09 01:05:43,687 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE === [ULTIMATE.startErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 01:05:43,688 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 01:05:43,688 INFO L85 PathProgramCache]: Analyzing trace with hash -1751095472, now seen corresponding path program 1 times [2024-11-09 01:05:43,689 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 01:05:43,689 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [589270373] [2024-11-09 01:05:43,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 01:05:43,689 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 [2024-11-09 01:05:43,690 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fabb4ee7-dbca-4016-bdca-209e72d5c184/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 01:05:43,691 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fabb4ee7-dbca-4016-bdca-209e72d5c184/bin/utaipan-verify-YMUCfTKeje/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) [2024-11-09 01:05:43,693 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fabb4ee7-dbca-4016-bdca-209e72d5c184/bin/utaipan-verify-YMUCfTKeje/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 [2024-11-09 01:05:43,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 01:05:43,784 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 01:05:43,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 01:05:43,817 INFO L130 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2024-11-09 01:05:43,817 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-09 01:05:43,819 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE (1 of 2 remaining) [2024-11-09 01:05:43,821 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 2 remaining) [2024-11-09 01:05:43,826 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fabb4ee7-dbca-4016-bdca-209e72d5c184/bin/utaipan-verify-YMUCfTKeje/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 [2024-11-09 01:05:44,022 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fabb4ee7-dbca-4016-bdca-209e72d5c184/bin/utaipan-verify-YMUCfTKeje/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 [2024-11-09 01:05:44,025 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1] [2024-11-09 01:05:44,040 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-09 01:05:44,044 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 01:05:44 BoogieIcfgContainer [2024-11-09 01:05:44,044 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-09 01:05:44,045 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 01:05:44,045 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 01:05:44,045 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 01:05:44,046 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 01:05:42" (3/4) ... [2024-11-09 01:05:44,048 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-09 01:05:44,049 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 01:05:44,050 INFO L158 Benchmark]: Toolchain (without parser) took 2600.70ms. Allocated memory was 67.1MB in the beginning and 86.0MB in the end (delta: 18.9MB). Free memory was 41.4MB in the beginning and 40.9MB in the end (delta: 562.6kB). Peak memory consumption was 21.3MB. Max. memory is 16.1GB. [2024-11-09 01:05:44,051 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 67.1MB. Free memory was 43.1MB in the beginning and 43.1MB in the end (delta: 81.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 01:05:44,051 INFO L158 Benchmark]: CACSL2BoogieTranslator took 804.92ms. Allocated memory was 67.1MB in the beginning and 86.0MB in the end (delta: 18.9MB). Free memory was 41.2MB in the beginning and 47.2MB in the end (delta: -6.0MB). Peak memory consumption was 11.7MB. Max. memory is 16.1GB. [2024-11-09 01:05:44,052 INFO L158 Benchmark]: Boogie Procedure Inliner took 57.51ms. Allocated memory is still 86.0MB. Free memory was 47.2MB in the beginning and 45.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 01:05:44,052 INFO L158 Benchmark]: Boogie Preprocessor took 48.66ms. Allocated memory is still 86.0MB. Free memory was 45.1MB in the beginning and 43.3MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 01:05:44,053 INFO L158 Benchmark]: RCFGBuilder took 487.95ms. Allocated memory is still 86.0MB. Free memory was 43.3MB in the beginning and 53.6MB in the end (delta: -10.3MB). Peak memory consumption was 7.9MB. Max. memory is 16.1GB. [2024-11-09 01:05:44,053 INFO L158 Benchmark]: TraceAbstraction took 1188.27ms. Allocated memory is still 86.0MB. Free memory was 52.7MB in the beginning and 41.3MB in the end (delta: 11.4MB). Peak memory consumption was 12.2MB. Max. memory is 16.1GB. [2024-11-09 01:05:44,054 INFO L158 Benchmark]: Witness Printer took 4.56ms. Allocated memory is still 86.0MB. Free memory was 41.3MB in the beginning and 40.9MB in the end (delta: 449.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 01:05:44,056 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 67.1MB. Free memory was 43.1MB in the beginning and 43.1MB in the end (delta: 81.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 804.92ms. Allocated memory was 67.1MB in the beginning and 86.0MB in the end (delta: 18.9MB). Free memory was 41.2MB in the beginning and 47.2MB in the end (delta: -6.0MB). Peak memory consumption was 11.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 57.51ms. Allocated memory is still 86.0MB. Free memory was 47.2MB in the beginning and 45.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 48.66ms. Allocated memory is still 86.0MB. Free memory was 45.1MB in the beginning and 43.3MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 487.95ms. Allocated memory is still 86.0MB. Free memory was 43.3MB in the beginning and 53.6MB in the end (delta: -10.3MB). Peak memory consumption was 7.9MB. Max. memory is 16.1GB. * TraceAbstraction took 1188.27ms. Allocated memory is still 86.0MB. Free memory was 52.7MB in the beginning and 41.3MB in the end (delta: 11.4MB). Peak memory consumption was 12.2MB. Max. memory is 16.1GB. * Witness Printer took 4.56ms. Allocated memory is still 86.0MB. Free memory was 41.3MB in the beginning and 40.9MB in the end (delta: 449.6kB). 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: 738]: Unable to prove that there are no unsupported features in the program Unable to prove that there are no unsupported features in the program Reason: overapproximation of longjmp at line 738. Possible FailurePath: [L734] jmp_buf env_buffer; [L735] int global = 0; VAL [global=0] [L745] int val; VAL [global=0] [L746] CALL __VERIFIER_assert(global == 0) VAL [\old(cond)=1, global=0] [L19] COND FALSE !(!(cond)) VAL [\old(cond)=1, global=0] [L746] RET __VERIFIER_assert(global == 0) VAL [global=0] [L748] CALL fun() [L741] global = 42 [L742] CALL foo() [L737] int local = 7; VAL [global=42] [L738] longjmp(env_buffer, 2) VAL [global=42] - 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 2 procedures, 19 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1.1s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 8 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 7 mSDsluCounter, 16 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 10 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 8 IncrementalHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 6 mSDtfsCounter, 8 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=19occurred in iteration=0, InterpolantAutomatonStates: 5, 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, 15 NumberOfCodeBlocks, 15 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 5 ConstructedInterpolants, 0 QuantifiedInterpolants, 13 SizeOfPredicates, 2 NumberOfNonLiveVariables, 49 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 [2024-11-09 01:05:44,093 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fabb4ee7-dbca-4016-bdca-209e72d5c184/bin/utaipan-verify-YMUCfTKeje/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: UNKNOWN: Overapproximated counterexample