./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/longjmp/68-longjmp_07-returns_true.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74c7d00b-fba5-4c54-8a8a-7c9a826c351e/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74c7d00b-fba5-4c54-8a8a-7c9a826c351e/bin/utaipan-verify-sOmjnqqW8E/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74c7d00b-fba5-4c54-8a8a-7c9a826c351e/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74c7d00b-fba5-4c54-8a8a-7c9a826c351e/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/longjmp/68-longjmp_07-returns_true.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74c7d00b-fba5-4c54-8a8a-7c9a826c351e/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74c7d00b-fba5-4c54-8a8a-7c9a826c351e/bin/utaipan-verify-sOmjnqqW8E --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 2fe7b53138021eb94b6394bcb43513c611c2df78be69206731dce22126ed20ab --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-14 03:23:01,871 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 03:23:01,973 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74c7d00b-fba5-4c54-8a8a-7c9a826c351e/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-64bit-Taipan_Default.epf [2024-11-14 03:23:01,977 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 03:23:01,978 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 03:23:02,001 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 03:23:02,002 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 03:23:02,002 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 03:23:02,002 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 03:23:02,002 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 03:23:02,002 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-14 03:23:02,002 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-14 03:23:02,002 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-14 03:23:02,003 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-14 03:23:02,003 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-14 03:23:02,003 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-14 03:23:02,003 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-14 03:23:02,003 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-14 03:23:02,003 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-14 03:23:02,003 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-14 03:23:02,003 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-14 03:23:02,004 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-14 03:23:02,004 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 03:23:02,004 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 03:23:02,004 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-14 03:23:02,004 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 03:23:02,004 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 03:23:02,004 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 03:23:02,004 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 03:23:02,005 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-14 03:23:02,005 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 03:23:02,005 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 03:23:02,005 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 03:23:02,005 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-14 03:23:02,005 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 03:23:02,005 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 03:23:02,005 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 03:23:02,005 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 03:23:02,006 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-14 03:23:02,006 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-14 03:23:02,006 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-14 03:23:02,006 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 03:23:02,006 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-14 03:23:02,006 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-14 03:23:02,006 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_74c7d00b-fba5-4c54-8a8a-7c9a826c351e/bin/utaipan-verify-sOmjnqqW8E 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 -> 2fe7b53138021eb94b6394bcb43513c611c2df78be69206731dce22126ed20ab [2024-11-14 03:23:02,302 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 03:23:02,312 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 03:23:02,317 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 03:23:02,318 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 03:23:02,318 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 03:23:02,321 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74c7d00b-fba5-4c54-8a8a-7c9a826c351e/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/longjmp/68-longjmp_07-returns_true.i Unable to find full path for "g++" [2024-11-14 03:23:04,327 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 03:23:04,569 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 03:23:04,570 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74c7d00b-fba5-4c54-8a8a-7c9a826c351e/sv-benchmarks/c/longjmp/68-longjmp_07-returns_true.i [2024-11-14 03:23:04,576 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74c7d00b-fba5-4c54-8a8a-7c9a826c351e/bin/utaipan-verify-sOmjnqqW8E/data/ddbd9eb7f/e0337afbe8644b2c8c25ad562f294cb4/FLAGf77057956 [2024-11-14 03:23:04,592 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74c7d00b-fba5-4c54-8a8a-7c9a826c351e/bin/utaipan-verify-sOmjnqqW8E/data/ddbd9eb7f/e0337afbe8644b2c8c25ad562f294cb4 [2024-11-14 03:23:04,595 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 03:23:04,596 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-14 03:23:04,597 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 03:23:04,598 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 03:23:04,602 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 03:23:04,603 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 03:23:04" (1/1) ... [2024-11-14 03:23:04,604 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6fe31f48 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:23:04, skipping insertion in model container [2024-11-14 03:23:04,605 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 03:23:04" (1/1) ... [2024-11-14 03:23:04,620 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 03:23:04,794 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_74c7d00b-fba5-4c54-8a8a-7c9a826c351e/sv-benchmarks/c/longjmp/68-longjmp_07-returns_true.i[1081,1094] [2024-11-14 03:23:04,814 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 03:23:04,828 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 03:23:04,839 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_74c7d00b-fba5-4c54-8a8a-7c9a826c351e/sv-benchmarks/c/longjmp/68-longjmp_07-returns_true.i[1081,1094] [2024-11-14 03:23:04,846 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 03:23:04,865 INFO L204 MainTranslator]: Completed translation [2024-11-14 03:23:04,865 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:23:04 WrapperNode [2024-11-14 03:23:04,866 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 03:23:04,867 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 03:23:04,867 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 03:23:04,867 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 03:23:04,875 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:23:04" (1/1) ... [2024-11-14 03:23:04,883 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:23:04" (1/1) ... [2024-11-14 03:23:04,901 INFO L138 Inliner]: procedures = 21, calls = 8, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 53 [2024-11-14 03:23:04,901 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 03:23:04,902 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 03:23:04,902 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 03:23:04,902 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 03:23:04,910 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:23:04" (1/1) ... [2024-11-14 03:23:04,910 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:23:04" (1/1) ... [2024-11-14 03:23:04,911 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:23:04" (1/1) ... [2024-11-14 03:23:04,912 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:23:04" (1/1) ... [2024-11-14 03:23:04,916 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:23:04" (1/1) ... [2024-11-14 03:23:04,920 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:23:04" (1/1) ... [2024-11-14 03:23:04,921 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:23:04" (1/1) ... [2024-11-14 03:23:04,922 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:23:04" (1/1) ... [2024-11-14 03:23:04,923 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 03:23:04,924 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 03:23:04,924 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 03:23:04,924 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 03:23:04,926 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:23:04" (1/1) ... [2024-11-14 03:23:04,932 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 03:23:04,950 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74c7d00b-fba5-4c54-8a8a-7c9a826c351e/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 03:23:04,964 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74c7d00b-fba5-4c54-8a8a-7c9a826c351e/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-14 03:23:04,968 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74c7d00b-fba5-4c54-8a8a-7c9a826c351e/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-14 03:23:04,998 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-14 03:23:04,998 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-14 03:23:04,998 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 03:23:04,998 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 03:23:05,069 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 03:23:05,071 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 03:23:05,245 INFO L? ?]: Removed 12 outVars from TransFormulas that were not future-live. [2024-11-14 03:23:05,245 INFO L287 CfgBuilder]: Performing block encoding [2024-11-14 03:23:05,307 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-14 03:23:05,307 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-14 03:23:05,307 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 03:23:05 BoogieIcfgContainer [2024-11-14 03:23:05,308 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-14 03:23:05,311 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-14 03:23:05,311 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-14 03:23:05,316 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-14 03:23:05,316 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 03:23:04" (1/3) ... [2024-11-14 03:23:05,317 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30de8913 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 03:23:05, skipping insertion in model container [2024-11-14 03:23:05,317 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:23:04" (2/3) ... [2024-11-14 03:23:05,317 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30de8913 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 03:23:05, skipping insertion in model container [2024-11-14 03:23:05,318 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 03:23:05" (3/3) ... [2024-11-14 03:23:05,319 INFO L112 eAbstractionObserver]: Analyzing ICFG 68-longjmp_07-returns_true.i [2024-11-14 03:23:05,338 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-14 03:23:05,339 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG 68-longjmp_07-returns_true.i that has 1 procedures, 10 locations, 1 initial locations, 1 loop locations, and 2 error locations. [2024-11-14 03:23:05,406 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-14 03:23:05,420 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;@1cf41d20, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 03:23:05,420 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-14 03:23:05,424 INFO L276 IsEmpty]: Start isEmpty. Operand has 10 states, 7 states have (on average 1.7142857142857142) internal successors, (12), 9 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 03:23:05,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-14 03:23:05,430 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:23:05,431 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2024-11-14 03:23:05,431 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONUNSUPPORTED_FEATURE] === [2024-11-14 03:23:05,436 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:23:05,438 INFO L85 PathProgramCache]: Analyzing trace with hash 2096487, now seen corresponding path program 1 times [2024-11-14 03:23:05,446 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 03:23:05,447 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1488752600] [2024-11-14 03:23:05,447 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:23:05,448 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 03:23:05,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:23:05,932 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 03:23:05,932 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 03:23:05,932 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1488752600] [2024-11-14 03:23:05,933 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1488752600] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 03:23:05,933 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 03:23:05,933 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-14 03:23:05,934 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2021024890] [2024-11-14 03:23:05,936 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 03:23:05,939 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-14 03:23:05,939 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 03:23:05,964 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-14 03:23:05,965 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-14 03:23:05,967 INFO L87 Difference]: Start difference. First operand has 10 states, 7 states have (on average 1.7142857142857142) internal successors, (12), 9 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 1.0) internal successors, (4), 3 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) [2024-11-14 03:23:06,007 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 03:23:06,007 INFO L93 Difference]: Finished difference Result 15 states and 17 transitions. [2024-11-14 03:23:06,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-14 03:23:06,010 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 1.0) internal successors, (4), 3 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) Word has length 4 [2024-11-14 03:23:06,010 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 03:23:06,016 INFO L225 Difference]: With dead ends: 15 [2024-11-14 03:23:06,016 INFO L226 Difference]: Without dead ends: 6 [2024-11-14 03:23:06,019 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-14 03:23:06,022 INFO L432 NwaCegarLoop]: 3 mSDtfsCounter, 1 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 7 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 [2024-11-14 03:23:06,022 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 7 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-14 03:23:06,039 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6 states. [2024-11-14 03:23:06,047 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6 to 6. [2024-11-14 03:23:06,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 5 states have (on average 1.0) internal successors, (5), 5 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 03:23:06,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 5 transitions. [2024-11-14 03:23:06,052 INFO L78 Accepts]: Start accepts. Automaton has 6 states and 5 transitions. Word has length 4 [2024-11-14 03:23:06,052 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 03:23:06,052 INFO L471 AbstractCegarLoop]: Abstraction has 6 states and 5 transitions. [2024-11-14 03:23:06,053 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 1.0) internal successors, (4), 3 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) [2024-11-14 03:23:06,053 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 5 transitions. [2024-11-14 03:23:06,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-14 03:23:06,053 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:23:06,053 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2024-11-14 03:23:06,054 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-14 03:23:06,054 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONUNSUPPORTED_FEATURE === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONUNSUPPORTED_FEATURE] === [2024-11-14 03:23:06,054 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:23:06,054 INFO L85 PathProgramCache]: Analyzing trace with hash 64996085, now seen corresponding path program 1 times [2024-11-14 03:23:06,055 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 03:23:06,055 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1642973776] [2024-11-14 03:23:06,055 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:23:06,055 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 03:23:06,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-14 03:23:06,098 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-14 03:23:06,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-14 03:23:06,125 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2024-11-14 03:23:06,126 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-14 03:23:06,127 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONUNSUPPORTED_FEATURE (1 of 2 remaining) [2024-11-14 03:23:06,129 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 2 remaining) [2024-11-14 03:23:06,130 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-14 03:23:06,133 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1] [2024-11-14 03:23:06,150 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-14 03:23:06,153 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.11 03:23:06 BoogieIcfgContainer [2024-11-14 03:23:06,153 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-14 03:23:06,154 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-14 03:23:06,154 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-14 03:23:06,154 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-14 03:23:06,155 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 03:23:05" (3/4) ... [2024-11-14 03:23:06,158 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-14 03:23:06,158 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-14 03:23:06,160 INFO L158 Benchmark]: Toolchain (without parser) took 1563.38ms. Allocated memory is still 109.1MB. Free memory was 83.5MB in the beginning and 66.9MB in the end (delta: 16.6MB). Peak memory consumption was 12.5MB. Max. memory is 16.1GB. [2024-11-14 03:23:06,160 INFO L158 Benchmark]: CDTParser took 1.85ms. Allocated memory is still 83.9MB. Free memory is still 39.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 03:23:06,160 INFO L158 Benchmark]: CACSL2BoogieTranslator took 268.73ms. Allocated memory is still 109.1MB. Free memory was 83.1MB in the beginning and 72.1MB in the end (delta: 11.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-14 03:23:06,161 INFO L158 Benchmark]: Boogie Procedure Inliner took 34.76ms. Allocated memory is still 109.1MB. Free memory was 72.1MB in the beginning and 71.0MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 03:23:06,161 INFO L158 Benchmark]: Boogie Preprocessor took 21.36ms. Allocated memory is still 109.1MB. Free memory was 71.0MB in the beginning and 70.1MB in the end (delta: 848.4kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-14 03:23:06,162 INFO L158 Benchmark]: RCFGBuilder took 384.09ms. Allocated memory is still 109.1MB. Free memory was 70.1MB in the beginning and 58.6MB in the end (delta: 11.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-14 03:23:06,162 INFO L158 Benchmark]: TraceAbstraction took 842.77ms. Allocated memory is still 109.1MB. Free memory was 58.2MB in the beginning and 67.5MB in the end (delta: -9.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 03:23:06,162 INFO L158 Benchmark]: Witness Printer took 4.54ms. Allocated memory is still 109.1MB. Free memory was 67.5MB in the beginning and 66.9MB in the end (delta: 607.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 03:23:06,164 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.85ms. Allocated memory is still 83.9MB. Free memory is still 39.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 268.73ms. Allocated memory is still 109.1MB. Free memory was 83.1MB in the beginning and 72.1MB in the end (delta: 11.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 34.76ms. Allocated memory is still 109.1MB. Free memory was 72.1MB in the beginning and 71.0MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 21.36ms. Allocated memory is still 109.1MB. Free memory was 71.0MB in the beginning and 70.1MB in the end (delta: 848.4kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 384.09ms. Allocated memory is still 109.1MB. Free memory was 70.1MB in the beginning and 58.6MB in the end (delta: 11.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 842.77ms. Allocated memory is still 109.1MB. Free memory was 58.2MB in the beginning and 67.5MB in the end (delta: -9.3MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.54ms. Allocated memory is still 109.1MB. Free memory was 67.5MB in the beginning and 66.9MB in the end (delta: 607.1kB). 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: 48]: 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 48. Possible FailurePath: [L44] jmp_buf my_jump_buffer; [L53] volatile int count = 0; [L54] int x = _setjmp (my_jump_buffer); VAL [count=0, x=0] [L55] COND FALSE !(x == -10) [L58] COND FALSE !(x > 0) [L60] CALL foo(count) [L47] CALL __VERIFIER_assert(count >= 0 && count <= 5) [L19] COND FALSE !(!(cond)) [L47] RET __VERIFIER_assert(count >= 0 && count <= 5) [L48] longjmp(my_jump_buffer, -10) - 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, 10 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.7s, 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, 7 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 11 IncrementalHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 3 mSDtfsCounter, 11 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=10occurred in iteration=0, InterpolantAutomatonStates: 4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 9 NumberOfCodeBlocks, 9 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 3 ConstructedInterpolants, 0 QuantifiedInterpolants, 8 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 [2024-11-14 03:23:06,191 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74c7d00b-fba5-4c54-8a8a-7c9a826c351e/bin/utaipan-verify-sOmjnqqW8E/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/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74c7d00b-fba5-4c54-8a8a-7c9a826c351e/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74c7d00b-fba5-4c54-8a8a-7c9a826c351e/bin/utaipan-verify-sOmjnqqW8E/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74c7d00b-fba5-4c54-8a8a-7c9a826c351e/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74c7d00b-fba5-4c54-8a8a-7c9a826c351e/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/longjmp/68-longjmp_07-returns_true.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74c7d00b-fba5-4c54-8a8a-7c9a826c351e/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74c7d00b-fba5-4c54-8a8a-7c9a826c351e/bin/utaipan-verify-sOmjnqqW8E --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 2fe7b53138021eb94b6394bcb43513c611c2df78be69206731dce22126ed20ab --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-14 03:23:08,925 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 03:23:09,037 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74c7d00b-fba5-4c54-8a8a-7c9a826c351e/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2024-11-14 03:23:09,048 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 03:23:09,050 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 03:23:09,094 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 03:23:09,095 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 03:23:09,095 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 03:23:09,096 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 03:23:09,096 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 03:23:09,097 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-14 03:23:09,097 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-14 03:23:09,097 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-14 03:23:09,097 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-14 03:23:09,097 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-14 03:23:09,097 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-14 03:23:09,098 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 03:23:09,098 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 03:23:09,098 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 03:23:09,098 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 03:23:09,098 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 03:23:09,098 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 03:23:09,098 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-14 03:23:09,098 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-14 03:23:09,098 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-14 03:23:09,098 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-14 03:23:09,098 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 03:23:09,100 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 03:23:09,100 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 03:23:09,101 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-14 03:23:09,101 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-14 03:23:09,101 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 03:23:09,101 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 03:23:09,101 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 03:23:09,102 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 03:23:09,102 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-14 03:23:09,102 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-14 03:23:09,102 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-14 03:23:09,102 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 03:23:09,103 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-14 03:23:09,103 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_74c7d00b-fba5-4c54-8a8a-7c9a826c351e/bin/utaipan-verify-sOmjnqqW8E 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 -> 2fe7b53138021eb94b6394bcb43513c611c2df78be69206731dce22126ed20ab [2024-11-14 03:23:09,422 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 03:23:09,434 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 03:23:09,436 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 03:23:09,438 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 03:23:09,438 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 03:23:09,439 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74c7d00b-fba5-4c54-8a8a-7c9a826c351e/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/longjmp/68-longjmp_07-returns_true.i Unable to find full path for "g++" [2024-11-14 03:23:11,464 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 03:23:11,727 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 03:23:11,728 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74c7d00b-fba5-4c54-8a8a-7c9a826c351e/sv-benchmarks/c/longjmp/68-longjmp_07-returns_true.i [2024-11-14 03:23:11,736 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74c7d00b-fba5-4c54-8a8a-7c9a826c351e/bin/utaipan-verify-sOmjnqqW8E/data/2efb067a9/dd0f832292cb4bf3a452cdc9796c83cb/FLAG31ab7bb0f [2024-11-14 03:23:11,752 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74c7d00b-fba5-4c54-8a8a-7c9a826c351e/bin/utaipan-verify-sOmjnqqW8E/data/2efb067a9/dd0f832292cb4bf3a452cdc9796c83cb [2024-11-14 03:23:11,755 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 03:23:11,757 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-14 03:23:11,758 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 03:23:11,758 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 03:23:11,763 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 03:23:11,764 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 03:23:11" (1/1) ... [2024-11-14 03:23:11,765 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6f4a0000 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:23:11, skipping insertion in model container [2024-11-14 03:23:11,765 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 03:23:11" (1/1) ... [2024-11-14 03:23:11,782 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 03:23:11,960 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_74c7d00b-fba5-4c54-8a8a-7c9a826c351e/sv-benchmarks/c/longjmp/68-longjmp_07-returns_true.i[1081,1094] [2024-11-14 03:23:11,993 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 03:23:12,018 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 03:23:12,033 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_74c7d00b-fba5-4c54-8a8a-7c9a826c351e/sv-benchmarks/c/longjmp/68-longjmp_07-returns_true.i[1081,1094] [2024-11-14 03:23:12,048 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 03:23:12,069 INFO L204 MainTranslator]: Completed translation [2024-11-14 03:23:12,069 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:23:12 WrapperNode [2024-11-14 03:23:12,069 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 03:23:12,071 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 03:23:12,071 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 03:23:12,072 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 03:23:12,080 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:23:12" (1/1) ... [2024-11-14 03:23:12,093 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:23:12" (1/1) ... [2024-11-14 03:23:12,117 INFO L138 Inliner]: procedures = 21, calls = 8, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 52 [2024-11-14 03:23:12,118 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 03:23:12,119 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 03:23:12,119 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 03:23:12,119 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 03:23:12,127 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:23:12" (1/1) ... [2024-11-14 03:23:12,127 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:23:12" (1/1) ... [2024-11-14 03:23:12,130 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:23:12" (1/1) ... [2024-11-14 03:23:12,132 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:23:12" (1/1) ... [2024-11-14 03:23:12,138 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:23:12" (1/1) ... [2024-11-14 03:23:12,146 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:23:12" (1/1) ... [2024-11-14 03:23:12,147 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:23:12" (1/1) ... [2024-11-14 03:23:12,148 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:23:12" (1/1) ... [2024-11-14 03:23:12,154 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 03:23:12,155 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 03:23:12,159 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 03:23:12,159 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 03:23:12,160 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:23:12" (1/1) ... [2024-11-14 03:23:12,168 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 03:23:12,185 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74c7d00b-fba5-4c54-8a8a-7c9a826c351e/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 03:23:12,199 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74c7d00b-fba5-4c54-8a8a-7c9a826c351e/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-14 03:23:12,208 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74c7d00b-fba5-4c54-8a8a-7c9a826c351e/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-14 03:23:12,233 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-14 03:23:12,234 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-14 03:23:12,234 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 03:23:12,234 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 03:23:12,309 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 03:23:12,311 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 03:23:12,518 INFO L? ?]: Removed 11 outVars from TransFormulas that were not future-live. [2024-11-14 03:23:12,518 INFO L287 CfgBuilder]: Performing block encoding [2024-11-14 03:23:12,528 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-14 03:23:12,528 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-14 03:23:12,528 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 03:23:12 BoogieIcfgContainer [2024-11-14 03:23:12,529 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-14 03:23:12,532 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-14 03:23:12,532 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-14 03:23:12,538 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-14 03:23:12,538 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 03:23:11" (1/3) ... [2024-11-14 03:23:12,539 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27f1384a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 03:23:12, skipping insertion in model container [2024-11-14 03:23:12,539 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:23:12" (2/3) ... [2024-11-14 03:23:12,539 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27f1384a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 03:23:12, skipping insertion in model container [2024-11-14 03:23:12,539 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 03:23:12" (3/3) ... [2024-11-14 03:23:12,541 INFO L112 eAbstractionObserver]: Analyzing ICFG 68-longjmp_07-returns_true.i [2024-11-14 03:23:12,558 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-14 03:23:12,560 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG 68-longjmp_07-returns_true.i that has 1 procedures, 15 locations, 1 initial locations, 1 loop locations, and 2 error locations. [2024-11-14 03:23:12,617 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-14 03:23:12,635 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;@3c644065, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 03:23:12,635 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-14 03:23:12,640 INFO L276 IsEmpty]: Start isEmpty. Operand has 15 states, 12 states have (on average 1.5) internal successors, (18), 14 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 03:23:12,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-14 03:23:12,647 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:23:12,648 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-14 03:23:12,650 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONUNSUPPORTED_FEATURE] === [2024-11-14 03:23:12,658 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:23:12,659 INFO L85 PathProgramCache]: Analyzing trace with hash 1806845194, now seen corresponding path program 1 times [2024-11-14 03:23:12,672 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 03:23:12,674 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1675207234] [2024-11-14 03:23:12,674 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:23:12,675 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 [2024-11-14 03:23:12,675 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74c7d00b-fba5-4c54-8a8a-7c9a826c351e/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 03:23:12,680 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74c7d00b-fba5-4c54-8a8a-7c9a826c351e/bin/utaipan-verify-sOmjnqqW8E/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) [2024-11-14 03:23:12,682 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74c7d00b-fba5-4c54-8a8a-7c9a826c351e/bin/utaipan-verify-sOmjnqqW8E/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 [2024-11-14 03:23:12,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:23:12,862 INFO L255 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-14 03:23:12,866 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 03:23:12,931 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 03:23:12,932 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 03:23:12,933 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 03:23:12,934 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1675207234] [2024-11-14 03:23:12,935 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1675207234] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 03:23:12,935 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 03:23:12,936 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-14 03:23:12,941 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1890117568] [2024-11-14 03:23:12,941 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 03:23:12,946 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-14 03:23:12,947 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 03:23:12,968 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-14 03:23:12,968 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 03:23:12,970 INFO L87 Difference]: Start difference. First operand has 15 states, 12 states have (on average 1.5) internal successors, (18), 14 states have internal predecessors, (18), 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 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 03:23:12,994 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 03:23:12,996 INFO L93 Difference]: Finished difference Result 22 states and 27 transitions. [2024-11-14 03:23:12,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 03:23:12,999 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 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 7 [2024-11-14 03:23:12,999 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 03:23:13,006 INFO L225 Difference]: With dead ends: 22 [2024-11-14 03:23:13,006 INFO L226 Difference]: Without dead ends: 11 [2024-11-14 03:23:13,009 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 03:23:13,015 INFO L432 NwaCegarLoop]: 8 mSDtfsCounter, 0 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 15 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-14 03:23:13,016 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 15 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-14 03:23:13,033 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states. [2024-11-14 03:23:13,043 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 11. [2024-11-14 03:23:13,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11 states, 9 states have (on average 1.1111111111111112) internal successors, (10), 10 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 03:23:13,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 10 transitions. [2024-11-14 03:23:13,053 INFO L78 Accepts]: Start accepts. Automaton has 11 states and 10 transitions. Word has length 7 [2024-11-14 03:23:13,053 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 03:23:13,054 INFO L471 AbstractCegarLoop]: Abstraction has 11 states and 10 transitions. [2024-11-14 03:23:13,055 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 03:23:13,055 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 10 transitions. [2024-11-14 03:23:13,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-14 03:23:13,056 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:23:13,056 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-14 03:23:13,061 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74c7d00b-fba5-4c54-8a8a-7c9a826c351e/bin/utaipan-verify-sOmjnqqW8E/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 [2024-11-14 03:23:13,258 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74c7d00b-fba5-4c54-8a8a-7c9a826c351e/bin/utaipan-verify-sOmjnqqW8E/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 [2024-11-14 03:23:13,258 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONUNSUPPORTED_FEATURE] === [2024-11-14 03:23:13,258 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:23:13,258 INFO L85 PathProgramCache]: Analyzing trace with hash 1806904776, now seen corresponding path program 1 times [2024-11-14 03:23:13,259 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 03:23:13,259 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1813457549] [2024-11-14 03:23:13,259 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:23:13,259 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 [2024-11-14 03:23:13,259 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74c7d00b-fba5-4c54-8a8a-7c9a826c351e/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 03:23:13,266 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74c7d00b-fba5-4c54-8a8a-7c9a826c351e/bin/utaipan-verify-sOmjnqqW8E/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) [2024-11-14 03:23:13,267 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74c7d00b-fba5-4c54-8a8a-7c9a826c351e/bin/utaipan-verify-sOmjnqqW8E/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 [2024-11-14 03:23:13,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:23:13,374 INFO L255 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-14 03:23:13,379 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 03:23:13,455 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 03:23:13,455 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 03:23:13,455 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 03:23:13,455 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1813457549] [2024-11-14 03:23:13,455 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1813457549] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 03:23:13,456 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 03:23:13,456 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-14 03:23:13,456 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [230102482] [2024-11-14 03:23:13,456 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 03:23:13,457 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-14 03:23:13,457 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 03:23:13,458 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-14 03:23:13,458 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-14 03:23:13,458 INFO L87 Difference]: Start difference. First operand 11 states and 10 transitions. Second operand has 4 states, 4 states have (on average 1.75) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 03:23:13,485 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 03:23:13,485 INFO L93 Difference]: Finished difference Result 11 states and 10 transitions. [2024-11-14 03:23:13,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-14 03:23:13,486 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 1.75) internal successors, (7), 4 states have internal predecessors, (7), 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 7 [2024-11-14 03:23:13,486 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 03:23:13,486 INFO L225 Difference]: With dead ends: 11 [2024-11-14 03:23:13,486 INFO L226 Difference]: Without dead ends: 9 [2024-11-14 03:23:13,487 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-14 03:23:13,488 INFO L432 NwaCegarLoop]: 6 mSDtfsCounter, 0 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 14 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-14 03:23:13,488 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 14 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-14 03:23:13,489 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states. [2024-11-14 03:23:13,492 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 9. [2024-11-14 03:23:13,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 8 states have (on average 1.0) internal successors, (8), 8 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 03:23:13,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 8 transitions. [2024-11-14 03:23:13,493 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 8 transitions. Word has length 7 [2024-11-14 03:23:13,493 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 03:23:13,494 INFO L471 AbstractCegarLoop]: Abstraction has 9 states and 8 transitions. [2024-11-14 03:23:13,494 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 1.75) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 03:23:13,494 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 8 transitions. [2024-11-14 03:23:13,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-14 03:23:13,495 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:23:13,495 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 03:23:13,499 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74c7d00b-fba5-4c54-8a8a-7c9a826c351e/bin/utaipan-verify-sOmjnqqW8E/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 [2024-11-14 03:23:13,695 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74c7d00b-fba5-4c54-8a8a-7c9a826c351e/bin/utaipan-verify-sOmjnqqW8E/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 [2024-11-14 03:23:13,696 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONUNSUPPORTED_FEATURE === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONUNSUPPORTED_FEATURE] === [2024-11-14 03:23:13,696 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:23:13,696 INFO L85 PathProgramCache]: Analyzing trace with hash 179478196, now seen corresponding path program 1 times [2024-11-14 03:23:13,697 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 03:23:13,697 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1215261809] [2024-11-14 03:23:13,697 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:23:13,697 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 [2024-11-14 03:23:13,697 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74c7d00b-fba5-4c54-8a8a-7c9a826c351e/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 03:23:13,699 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74c7d00b-fba5-4c54-8a8a-7c9a826c351e/bin/utaipan-verify-sOmjnqqW8E/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) [2024-11-14 03:23:13,700 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74c7d00b-fba5-4c54-8a8a-7c9a826c351e/bin/utaipan-verify-sOmjnqqW8E/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 (4)] Waiting until timeout for monitored process [2024-11-14 03:23:13,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-14 03:23:13,800 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-14 03:23:13,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-14 03:23:13,842 INFO L130 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2024-11-14 03:23:13,842 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-14 03:23:13,843 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONUNSUPPORTED_FEATURE (1 of 2 remaining) [2024-11-14 03:23:13,845 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 2 remaining) [2024-11-14 03:23:13,850 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74c7d00b-fba5-4c54-8a8a-7c9a826c351e/bin/utaipan-verify-sOmjnqqW8E/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 (4)] Ended with exit code 0 [2024-11-14 03:23:14,048 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74c7d00b-fba5-4c54-8a8a-7c9a826c351e/bin/utaipan-verify-sOmjnqqW8E/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 [2024-11-14 03:23:14,051 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-11-14 03:23:14,067 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-14 03:23:14,070 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.11 03:23:14 BoogieIcfgContainer [2024-11-14 03:23:14,071 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-14 03:23:14,071 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-14 03:23:14,071 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-14 03:23:14,072 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-14 03:23:14,072 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 03:23:12" (3/4) ... [2024-11-14 03:23:14,075 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-14 03:23:14,076 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-14 03:23:14,077 INFO L158 Benchmark]: Toolchain (without parser) took 2320.18ms. Allocated memory is still 117.4MB. Free memory was 93.5MB in the beginning and 81.1MB in the end (delta: 12.4MB). Peak memory consumption was 12.5MB. Max. memory is 16.1GB. [2024-11-14 03:23:14,077 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 83.9MB. Free memory is still 48.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 03:23:14,077 INFO L158 Benchmark]: CACSL2BoogieTranslator took 312.02ms. Allocated memory is still 117.4MB. Free memory was 93.3MB in the beginning and 81.9MB in the end (delta: 11.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-14 03:23:14,078 INFO L158 Benchmark]: Boogie Procedure Inliner took 47.29ms. Allocated memory is still 117.4MB. Free memory was 81.6MB in the beginning and 80.5MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 03:23:14,078 INFO L158 Benchmark]: Boogie Preprocessor took 35.99ms. Allocated memory is still 117.4MB. Free memory was 80.5MB in the beginning and 79.4MB in the end (delta: 1.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-14 03:23:14,078 INFO L158 Benchmark]: RCFGBuilder took 373.41ms. Allocated memory is still 117.4MB. Free memory was 79.4MB in the beginning and 68.9MB in the end (delta: 10.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-14 03:23:14,079 INFO L158 Benchmark]: TraceAbstraction took 1538.91ms. Allocated memory is still 117.4MB. Free memory was 68.2MB in the beginning and 81.2MB in the end (delta: -13.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 03:23:14,079 INFO L158 Benchmark]: Witness Printer took 4.54ms. Allocated memory is still 117.4MB. Free memory was 81.2MB in the beginning and 81.1MB in the end (delta: 41.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 03:23:14,081 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 83.9MB. Free memory is still 48.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 312.02ms. Allocated memory is still 117.4MB. Free memory was 93.3MB in the beginning and 81.9MB in the end (delta: 11.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 47.29ms. Allocated memory is still 117.4MB. Free memory was 81.6MB in the beginning and 80.5MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 35.99ms. Allocated memory is still 117.4MB. Free memory was 80.5MB in the beginning and 79.4MB in the end (delta: 1.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 373.41ms. Allocated memory is still 117.4MB. Free memory was 79.4MB in the beginning and 68.9MB in the end (delta: 10.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 1538.91ms. Allocated memory is still 117.4MB. Free memory was 68.2MB in the beginning and 81.2MB in the end (delta: -13.0MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.54ms. Allocated memory is still 117.4MB. Free memory was 81.2MB in the beginning and 81.1MB in the end (delta: 41.5kB). 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: 48]: 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 48. Possible FailurePath: [L44] jmp_buf my_jump_buffer; [L53] volatile int count = 0; [L54] int x = _setjmp (my_jump_buffer); VAL [count=0, x=0] [L55] COND FALSE !(x == -10) VAL [count=0, x=0] [L58] COND FALSE !(x > 0) VAL [count=0] [L60] CALL foo(count) [L47] CALL __VERIFIER_assert(count >= 0 && count <= 5) [L19] COND FALSE !(!(cond)) [L47] RET __VERIFIER_assert(count >= 0 && count <= 5) [L48] longjmp(my_jump_buffer, -10) - 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, 15 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1.5s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 29 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 15 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 9 IncrementalHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 14 mSDtfsCounter, 9 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 12 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=15occurred in iteration=0, InterpolantAutomatonStates: 7, 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, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 22 NumberOfCodeBlocks, 22 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 12 ConstructedInterpolants, 0 QuantifiedInterpolants, 24 SizeOfPredicates, 0 NumberOfNonLiveVariables, 100 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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 [2024-11-14 03:23:14,110 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74c7d00b-fba5-4c54-8a8a-7c9a826c351e/bin/utaipan-verify-sOmjnqqW8E/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