./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_multiply_11_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c583a280-6b53-4b31-9685-3d3a914cc73f/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c583a280-6b53-4b31-9685-3d3a914cc73f/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_c583a280-6b53-4b31-9685-3d3a914cc73f/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c583a280-6b53-4b31-9685-3d3a914cc73f/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_multiply_11_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c583a280-6b53-4b31-9685-3d3a914cc73f/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Overflow-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c583a280-6b53-4b31-9685-3d3a914cc73f/bin/utaipan-verify-sOmjnqqW8E --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 55a339f0eb7d1fc485fcba9d0e61874182e77ec12c7096c6a1da577dd6757f54 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-14 04:53:16,742 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 04:53:16,845 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c583a280-6b53-4b31-9685-3d3a914cc73f/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Overflow-64bit-Taipan_Default.epf [2024-11-14 04:53:16,851 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 04:53:16,851 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 04:53:16,888 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 04:53:16,888 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 04:53:16,889 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 04:53:16,889 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 04:53:16,889 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 04:53:16,889 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-14 04:53:16,889 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-14 04:53:16,890 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-14 04:53:16,890 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-14 04:53:16,890 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-14 04:53:16,890 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-14 04:53:16,890 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-14 04:53:16,890 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-14 04:53:16,890 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-14 04:53:16,890 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-14 04:53:16,892 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-14 04:53:16,892 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-14 04:53:16,893 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 04:53:16,893 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 04:53:16,893 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-14 04:53:16,893 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 04:53:16,893 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 04:53:16,893 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 04:53:16,894 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 04:53:16,894 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-14 04:53:16,894 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-14 04:53:16,894 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-14 04:53:16,894 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 04:53:16,894 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 04:53:16,894 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 04:53:16,894 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-14 04:53:16,894 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 04:53:16,895 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 04:53:16,895 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 04:53:16,895 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 04:53:16,895 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-14 04:53:16,895 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-14 04:53:16,895 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-14 04:53:16,895 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 04:53:16,895 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-14 04:53:16,895 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-14 04:53:16,895 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_c583a280-6b53-4b31-9685-3d3a914cc73f/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 ! overflow) ) 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 -> 55a339f0eb7d1fc485fcba9d0e61874182e77ec12c7096c6a1da577dd6757f54 [2024-11-14 04:53:17,223 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 04:53:17,233 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 04:53:17,238 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 04:53:17,240 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 04:53:17,240 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 04:53:17,242 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c583a280-6b53-4b31-9685-3d3a914cc73f/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_multiply_11_bad.i Unable to find full path for "g++" [2024-11-14 04:53:19,098 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 04:53:19,555 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 04:53:19,556 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c583a280-6b53-4b31-9685-3d3a914cc73f/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_multiply_11_bad.i [2024-11-14 04:53:19,597 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c583a280-6b53-4b31-9685-3d3a914cc73f/bin/utaipan-verify-sOmjnqqW8E/data/f6fdee117/1247431bf4bb4b5cb54db0dd1b87f16e/FLAGbb541ab00 [2024-11-14 04:53:19,696 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c583a280-6b53-4b31-9685-3d3a914cc73f/bin/utaipan-verify-sOmjnqqW8E/data/f6fdee117/1247431bf4bb4b5cb54db0dd1b87f16e [2024-11-14 04:53:19,703 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 04:53:19,704 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-14 04:53:19,707 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 04:53:19,708 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 04:53:19,714 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 04:53:19,719 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 04:53:19" (1/1) ... [2024-11-14 04:53:19,720 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1e17ab65 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:53:19, skipping insertion in model container [2024-11-14 04:53:19,720 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 04:53:19" (1/1) ... [2024-11-14 04:53:19,799 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 04:53:20,952 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 04:53:20,961 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 04:53:21,103 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 04:53:21,225 INFO L204 MainTranslator]: Completed translation [2024-11-14 04:53:21,225 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:53:21 WrapperNode [2024-11-14 04:53:21,226 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 04:53:21,227 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 04:53:21,227 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 04:53:21,227 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 04:53:21,234 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:53:21" (1/1) ... [2024-11-14 04:53:21,253 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:53:21" (1/1) ... [2024-11-14 04:53:21,282 INFO L138 Inliner]: procedures = 497, calls = 25, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 49 [2024-11-14 04:53:21,283 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 04:53:21,283 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 04:53:21,284 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 04:53:21,284 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 04:53:21,292 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:53:21" (1/1) ... [2024-11-14 04:53:21,292 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:53:21" (1/1) ... [2024-11-14 04:53:21,294 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:53:21" (1/1) ... [2024-11-14 04:53:21,294 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:53:21" (1/1) ... [2024-11-14 04:53:21,299 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:53:21" (1/1) ... [2024-11-14 04:53:21,301 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:53:21" (1/1) ... [2024-11-14 04:53:21,303 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:53:21" (1/1) ... [2024-11-14 04:53:21,304 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:53:21" (1/1) ... [2024-11-14 04:53:21,306 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 04:53:21,307 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 04:53:21,307 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 04:53:21,307 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 04:53:21,308 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:53:21" (1/1) ... [2024-11-14 04:53:21,314 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 04:53:21,332 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c583a280-6b53-4b31-9685-3d3a914cc73f/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 04:53:21,350 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c583a280-6b53-4b31-9685-3d3a914cc73f/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-14 04:53:21,352 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c583a280-6b53-4b31-9685-3d3a914cc73f/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-14 04:53:21,376 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-14 04:53:21,376 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-14 04:53:21,376 INFO L130 BoogieDeclarations]: Found specification of procedure globalReturnsTrue [2024-11-14 04:53:21,376 INFO L138 BoogieDeclarations]: Found implementation of procedure globalReturnsTrue [2024-11-14 04:53:21,377 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-14 04:53:21,377 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 04:53:21,377 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 04:53:21,557 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 04:53:21,559 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 04:53:21,682 INFO L? ?]: Removed 20 outVars from TransFormulas that were not future-live. [2024-11-14 04:53:21,683 INFO L287 CfgBuilder]: Performing block encoding [2024-11-14 04:53:21,730 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-14 04:53:21,730 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-14 04:53:21,731 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 04:53:21 BoogieIcfgContainer [2024-11-14 04:53:21,731 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-14 04:53:21,733 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-14 04:53:21,733 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-14 04:53:21,738 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-14 04:53:21,738 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 04:53:19" (1/3) ... [2024-11-14 04:53:21,739 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d3a0a7a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 04:53:21, skipping insertion in model container [2024-11-14 04:53:21,739 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:53:21" (2/3) ... [2024-11-14 04:53:21,739 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d3a0a7a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 04:53:21, skipping insertion in model container [2024-11-14 04:53:21,739 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 04:53:21" (3/3) ... [2024-11-14 04:53:21,741 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_max_multiply_11_bad.i [2024-11-14 04:53:21,758 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-14 04:53:21,760 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG CWE190_Integer_Overflow__int_max_multiply_11_bad.i that has 3 procedures, 21 locations, 1 initial locations, 0 loop locations, and 2 error locations. [2024-11-14 04:53:21,824 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-14 04:53:21,842 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;@6311feaa, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 04:53:21,842 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-14 04:53:21,849 INFO L276 IsEmpty]: Start isEmpty. Operand has 21 states, 12 states have (on average 1.3333333333333333) internal successors, (16), 14 states have internal predecessors, (16), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-14 04:53:21,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-14 04:53:21,858 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:53:21,859 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 04:53:21,860 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-14 04:53:21,866 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:53:21,866 INFO L85 PathProgramCache]: Analyzing trace with hash 735825400, now seen corresponding path program 1 times [2024-11-14 04:53:21,875 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 04:53:21,875 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1014180614] [2024-11-14 04:53:21,876 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:53:21,876 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 04:53:22,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:53:22,339 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-14 04:53:22,340 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 04:53:22,341 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1014180614] [2024-11-14 04:53:22,341 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1014180614] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 04:53:22,345 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1999348695] [2024-11-14 04:53:22,345 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:53:22,345 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 04:53:22,346 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c583a280-6b53-4b31-9685-3d3a914cc73f/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 04:53:22,349 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c583a280-6b53-4b31-9685-3d3a914cc73f/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 04:53:22,351 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c583a280-6b53-4b31-9685-3d3a914cc73f/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-14 04:53:22,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:53:22,483 INFO L255 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-14 04:53:22,487 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 04:53:22,520 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-14 04:53:22,520 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 04:53:22,520 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1999348695] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 04:53:22,521 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-14 04:53:22,521 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2024-11-14 04:53:22,523 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1665259691] [2024-11-14 04:53:22,523 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 04:53:22,528 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-14 04:53:22,529 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 04:53:22,552 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-14 04:53:22,553 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-14 04:53:22,555 INFO L87 Difference]: Start difference. First operand has 21 states, 12 states have (on average 1.3333333333333333) internal successors, (16), 14 states have internal predecessors, (16), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Second operand has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-14 04:53:22,610 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:53:22,611 INFO L93 Difference]: Finished difference Result 21 states and 24 transitions. [2024-11-14 04:53:22,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 04:53:22,615 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 16 [2024-11-14 04:53:22,615 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:53:22,621 INFO L225 Difference]: With dead ends: 21 [2024-11-14 04:53:22,622 INFO L226 Difference]: Without dead ends: 16 [2024-11-14 04:53:22,625 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-14 04:53:22,630 INFO L432 NwaCegarLoop]: 15 mSDtfsCounter, 1 mSDsluCounter, 11 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 26 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-14 04:53:22,631 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 26 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-14 04:53:22,647 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2024-11-14 04:53:22,663 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2024-11-14 04:53:22,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 10 states have (on average 1.0) internal successors, (10), 10 states have internal predecessors, (10), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-14 04:53:22,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 16 transitions. [2024-11-14 04:53:22,674 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 16 transitions. Word has length 16 [2024-11-14 04:53:22,676 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:53:22,676 INFO L471 AbstractCegarLoop]: Abstraction has 16 states and 16 transitions. [2024-11-14 04:53:22,676 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-14 04:53:22,676 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 16 transitions. [2024-11-14 04:53:22,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-14 04:53:22,677 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:53:22,677 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 04:53:22,701 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c583a280-6b53-4b31-9685-3d3a914cc73f/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-14 04:53:22,884 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c583a280-6b53-4b31-9685-3d3a914cc73f/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 04:53:22,884 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-14 04:53:22,885 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:53:22,885 INFO L85 PathProgramCache]: Analyzing trace with hash 1335750982, now seen corresponding path program 1 times [2024-11-14 04:53:22,885 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 04:53:22,885 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [467806072] [2024-11-14 04:53:22,885 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:53:22,885 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 04:53:22,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-14 04:53:22,916 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-14 04:53:22,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-14 04:53:22,960 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2024-11-14 04:53:22,965 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-14 04:53:22,966 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-11-14 04:53:22,968 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-11-14 04:53:22,968 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-14 04:53:22,971 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1] [2024-11-14 04:53:22,994 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-14 04:53:22,997 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.11 04:53:22 BoogieIcfgContainer [2024-11-14 04:53:22,997 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-14 04:53:23,000 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-14 04:53:23,000 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-14 04:53:23,000 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-14 04:53:23,001 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 04:53:21" (3/4) ... [2024-11-14 04:53:23,003 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-14 04:53:23,004 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-14 04:53:23,004 INFO L158 Benchmark]: Toolchain (without parser) took 3300.25ms. Allocated memory is still 142.6MB. Free memory was 115.4MB in the beginning and 68.8MB in the end (delta: 46.6MB). Peak memory consumption was 47.4MB. Max. memory is 16.1GB. [2024-11-14 04:53:23,005 INFO L158 Benchmark]: CDTParser took 2.00ms. Allocated memory is still 142.6MB. Free memory is still 80.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 04:53:23,005 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1519.72ms. Allocated memory is still 142.6MB. Free memory was 115.4MB in the beginning and 57.2MB in the end (delta: 58.2MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. [2024-11-14 04:53:23,005 INFO L158 Benchmark]: Boogie Procedure Inliner took 56.12ms. Allocated memory is still 142.6MB. Free memory was 57.2MB in the beginning and 54.7MB in the end (delta: 2.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 04:53:23,006 INFO L158 Benchmark]: Boogie Preprocessor took 22.54ms. Allocated memory is still 142.6MB. Free memory was 54.7MB in the beginning and 53.7MB in the end (delta: 1.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-14 04:53:23,006 INFO L158 Benchmark]: RCFGBuilder took 424.30ms. Allocated memory is still 142.6MB. Free memory was 53.7MB in the beginning and 109.0MB in the end (delta: -55.3MB). Peak memory consumption was 13.8MB. Max. memory is 16.1GB. [2024-11-14 04:53:23,006 INFO L158 Benchmark]: TraceAbstraction took 1264.78ms. Allocated memory is still 142.6MB. Free memory was 108.2MB in the beginning and 68.8MB in the end (delta: 39.4MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2024-11-14 04:53:23,007 INFO L158 Benchmark]: Witness Printer took 3.92ms. Allocated memory is still 142.6MB. Free memory is still 68.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 04:53:23,008 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.00ms. Allocated memory is still 142.6MB. Free memory is still 80.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1519.72ms. Allocated memory is still 142.6MB. Free memory was 115.4MB in the beginning and 57.2MB in the end (delta: 58.2MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 56.12ms. Allocated memory is still 142.6MB. Free memory was 57.2MB in the beginning and 54.7MB in the end (delta: 2.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 22.54ms. Allocated memory is still 142.6MB. Free memory was 54.7MB in the beginning and 53.7MB in the end (delta: 1.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 424.30ms. Allocated memory is still 142.6MB. Free memory was 53.7MB in the beginning and 109.0MB in the end (delta: -55.3MB). Peak memory consumption was 13.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1264.78ms. Allocated memory is still 142.6MB. Free memory was 108.2MB in the beginning and 68.8MB in the end (delta: 39.4MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * Witness Printer took 3.92ms. Allocated memory is still 142.6MB. Free memory is still 68.8MB. 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: 1560]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of large string literal at line 1568. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1568] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={1:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1568] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1569] CALL CWE190_Integer_Overflow__int_max_multiply_11_bad() [L1550] int data; [L1551] data = 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1552] CALL globalReturnsTrue() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1512] return 1; [L1552] RET globalReturnsTrue() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1552] COND TRUE globalReturnsTrue() [L1554] data = 0x7fffffff VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=2147483647, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1556] CALL globalReturnsTrue() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1512] return 1; [L1556] RET globalReturnsTrue() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=2147483647, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1556] COND TRUE globalReturnsTrue() [L1558] COND TRUE data > 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=2147483647, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1560] data * 2 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] - UnprovableResult [Line: 1560]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 21 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1.2s, OverallIterations: 2, TraceHistogramMax: 2, 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, 26 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 11 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 18 IncrementalHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 15 mSDtfsCounter, 18 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 19 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=21occurred in iteration=0, InterpolantAutomatonStates: 3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 49 NumberOfCodeBlocks, 49 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 30 ConstructedInterpolants, 0 QuantifiedInterpolants, 46 SizeOfPredicates, 0 NumberOfNonLiveVariables, 69 ConjunctsInSsa, 2 ConjunctsInUnsatCore, 2 InterpolantComputations, 1 PerfectInterpolantSequences, 3/4 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 04:53:23,033 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c583a280-6b53-4b31-9685-3d3a914cc73f/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_c583a280-6b53-4b31-9685-3d3a914cc73f/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c583a280-6b53-4b31-9685-3d3a914cc73f/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_c583a280-6b53-4b31-9685-3d3a914cc73f/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c583a280-6b53-4b31-9685-3d3a914cc73f/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_multiply_11_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c583a280-6b53-4b31-9685-3d3a914cc73f/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Overflow-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c583a280-6b53-4b31-9685-3d3a914cc73f/bin/utaipan-verify-sOmjnqqW8E --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 55a339f0eb7d1fc485fcba9d0e61874182e77ec12c7096c6a1da577dd6757f54 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-14 04:53:25,681 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 04:53:25,797 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c583a280-6b53-4b31-9685-3d3a914cc73f/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Overflow-64bit-Taipan_Bitvector.epf [2024-11-14 04:53:25,805 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 04:53:25,806 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 04:53:25,866 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 04:53:25,867 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 04:53:25,868 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 04:53:25,868 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 04:53:25,869 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 04:53:25,869 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-14 04:53:25,873 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-14 04:53:25,873 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-14 04:53:25,873 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-14 04:53:25,873 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-14 04:53:25,873 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-14 04:53:25,874 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 04:53:25,874 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 04:53:25,874 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 04:53:25,874 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 04:53:25,874 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 04:53:25,874 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 04:53:25,874 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-14 04:53:25,874 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-14 04:53:25,874 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-14 04:53:25,874 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-14 04:53:25,874 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-14 04:53:25,875 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-14 04:53:25,875 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 04:53:25,875 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 04:53:25,875 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 04:53:25,875 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-14 04:53:25,875 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-14 04:53:25,875 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 04:53:25,875 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 04:53:25,875 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 04:53:25,875 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 04:53:25,876 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-14 04:53:25,876 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-14 04:53:25,876 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-14 04:53:25,876 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 04:53:25,876 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-14 04:53:25,876 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_c583a280-6b53-4b31-9685-3d3a914cc73f/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 ! overflow) ) 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 -> 55a339f0eb7d1fc485fcba9d0e61874182e77ec12c7096c6a1da577dd6757f54 [2024-11-14 04:53:26,200 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 04:53:26,212 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 04:53:26,215 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 04:53:26,218 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 04:53:26,218 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 04:53:26,219 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c583a280-6b53-4b31-9685-3d3a914cc73f/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_multiply_11_bad.i Unable to find full path for "g++" [2024-11-14 04:53:28,221 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 04:53:28,708 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 04:53:28,709 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c583a280-6b53-4b31-9685-3d3a914cc73f/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_multiply_11_bad.i [2024-11-14 04:53:28,739 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c583a280-6b53-4b31-9685-3d3a914cc73f/bin/utaipan-verify-sOmjnqqW8E/data/299ab4bbd/47b2379fe3ad4445b695ac4db217c862/FLAGd919f517a [2024-11-14 04:53:28,806 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c583a280-6b53-4b31-9685-3d3a914cc73f/bin/utaipan-verify-sOmjnqqW8E/data/299ab4bbd/47b2379fe3ad4445b695ac4db217c862 [2024-11-14 04:53:28,810 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 04:53:28,812 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-14 04:53:28,815 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 04:53:28,815 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 04:53:28,821 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 04:53:28,822 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 04:53:28" (1/1) ... [2024-11-14 04:53:28,823 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@65c30009 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:53:28, skipping insertion in model container [2024-11-14 04:53:28,823 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 04:53:28" (1/1) ... [2024-11-14 04:53:28,903 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 04:53:29,991 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 04:53:30,005 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 04:53:30,112 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 04:53:30,258 INFO L204 MainTranslator]: Completed translation [2024-11-14 04:53:30,258 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:53:30 WrapperNode [2024-11-14 04:53:30,259 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 04:53:30,260 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 04:53:30,260 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 04:53:30,260 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 04:53:30,267 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:53:30" (1/1) ... [2024-11-14 04:53:30,292 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:53:30" (1/1) ... [2024-11-14 04:53:30,310 INFO L138 Inliner]: procedures = 502, calls = 25, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 47 [2024-11-14 04:53:30,310 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 04:53:30,311 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 04:53:30,311 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 04:53:30,311 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 04:53:30,319 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:53:30" (1/1) ... [2024-11-14 04:53:30,319 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:53:30" (1/1) ... [2024-11-14 04:53:30,322 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:53:30" (1/1) ... [2024-11-14 04:53:30,322 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:53:30" (1/1) ... [2024-11-14 04:53:30,330 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:53:30" (1/1) ... [2024-11-14 04:53:30,332 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:53:30" (1/1) ... [2024-11-14 04:53:30,335 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:53:30" (1/1) ... [2024-11-14 04:53:30,336 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:53:30" (1/1) ... [2024-11-14 04:53:30,339 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 04:53:30,340 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 04:53:30,340 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 04:53:30,340 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 04:53:30,341 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:53:30" (1/1) ... [2024-11-14 04:53:30,347 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 04:53:30,367 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c583a280-6b53-4b31-9685-3d3a914cc73f/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 04:53:30,378 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c583a280-6b53-4b31-9685-3d3a914cc73f/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-14 04:53:30,381 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c583a280-6b53-4b31-9685-3d3a914cc73f/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-14 04:53:30,408 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-14 04:53:30,408 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-14 04:53:30,408 INFO L130 BoogieDeclarations]: Found specification of procedure globalReturnsTrue [2024-11-14 04:53:30,408 INFO L138 BoogieDeclarations]: Found implementation of procedure globalReturnsTrue [2024-11-14 04:53:30,408 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-14 04:53:30,408 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 04:53:30,408 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 04:53:30,571 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 04:53:30,573 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 04:53:30,737 INFO L? ?]: Removed 20 outVars from TransFormulas that were not future-live. [2024-11-14 04:53:30,737 INFO L287 CfgBuilder]: Performing block encoding [2024-11-14 04:53:30,749 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-14 04:53:30,749 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-14 04:53:30,750 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 04:53:30 BoogieIcfgContainer [2024-11-14 04:53:30,750 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-14 04:53:30,753 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-14 04:53:30,753 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-14 04:53:30,761 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-14 04:53:30,762 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 04:53:28" (1/3) ... [2024-11-14 04:53:30,762 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27f899f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 04:53:30, skipping insertion in model container [2024-11-14 04:53:30,762 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:53:30" (2/3) ... [2024-11-14 04:53:30,763 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27f899f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 04:53:30, skipping insertion in model container [2024-11-14 04:53:30,763 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 04:53:30" (3/3) ... [2024-11-14 04:53:30,764 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_max_multiply_11_bad.i [2024-11-14 04:53:30,778 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-14 04:53:30,779 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG CWE190_Integer_Overflow__int_max_multiply_11_bad.i that has 3 procedures, 27 locations, 1 initial locations, 0 loop locations, and 2 error locations. [2024-11-14 04:53:30,830 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-14 04:53:30,844 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;@6cbd8837, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 04:53:30,844 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-14 04:53:30,848 INFO L276 IsEmpty]: Start isEmpty. Operand has 27 states, 18 states have (on average 1.3333333333333333) internal successors, (24), 20 states have internal predecessors, (24), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-14 04:53:30,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-14 04:53:30,856 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:53:30,857 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 04:53:30,857 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-14 04:53:30,864 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:53:30,865 INFO L85 PathProgramCache]: Analyzing trace with hash -509176388, now seen corresponding path program 1 times [2024-11-14 04:53:30,877 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 04:53:30,877 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1184371553] [2024-11-14 04:53:30,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:53:30,879 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 04:53:30,879 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c583a280-6b53-4b31-9685-3d3a914cc73f/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 04:53:30,883 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c583a280-6b53-4b31-9685-3d3a914cc73f/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 04:53:30,884 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c583a280-6b53-4b31-9685-3d3a914cc73f/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 04:53:31,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:53:31,041 INFO L255 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-14 04:53:31,048 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 04:53:31,134 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-14 04:53:31,134 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 04:53:31,134 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 04:53:31,135 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1184371553] [2024-11-14 04:53:31,136 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1184371553] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 04:53:31,136 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 04:53:31,136 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-14 04:53:31,138 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1117993913] [2024-11-14 04:53:31,138 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 04:53:31,142 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-14 04:53:31,142 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 04:53:31,193 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-14 04:53:31,193 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 04:53:31,195 INFO L87 Difference]: Start difference. First operand has 27 states, 18 states have (on average 1.3333333333333333) internal successors, (24), 20 states have internal predecessors, (24), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Second operand has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-14 04:53:31,258 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:53:31,259 INFO L93 Difference]: Finished difference Result 45 states and 54 transitions. [2024-11-14 04:53:31,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 04:53:31,261 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 20 [2024-11-14 04:53:31,262 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:53:31,268 INFO L225 Difference]: With dead ends: 45 [2024-11-14 04:53:31,268 INFO L226 Difference]: Without dead ends: 25 [2024-11-14 04:53:31,272 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 18 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 04:53:31,276 INFO L432 NwaCegarLoop]: 29 mSDtfsCounter, 2 mSDsluCounter, 23 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 52 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-14 04:53:31,279 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 52 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-14 04:53:31,293 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2024-11-14 04:53:31,316 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 24. [2024-11-14 04:53:31,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24 states, 16 states have (on average 1.1875) internal successors, (19), 17 states have internal predecessors, (19), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-14 04:53:31,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 27 transitions. [2024-11-14 04:53:31,327 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 27 transitions. Word has length 20 [2024-11-14 04:53:31,328 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:53:31,329 INFO L471 AbstractCegarLoop]: Abstraction has 24 states and 27 transitions. [2024-11-14 04:53:31,329 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-14 04:53:31,330 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 27 transitions. [2024-11-14 04:53:31,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-14 04:53:31,333 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:53:31,333 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 04:53:31,337 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c583a280-6b53-4b31-9685-3d3a914cc73f/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 04:53:31,536 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c583a280-6b53-4b31-9685-3d3a914cc73f/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 04:53:31,537 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-14 04:53:31,537 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:53:31,537 INFO L85 PathProgramCache]: Analyzing trace with hash -1318523014, now seen corresponding path program 1 times [2024-11-14 04:53:31,538 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 04:53:31,538 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1545549142] [2024-11-14 04:53:31,538 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:53:31,538 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 04:53:31,539 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c583a280-6b53-4b31-9685-3d3a914cc73f/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 04:53:31,541 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c583a280-6b53-4b31-9685-3d3a914cc73f/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 04:53:31,543 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c583a280-6b53-4b31-9685-3d3a914cc73f/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 04:53:31,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:53:31,640 INFO L255 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-14 04:53:31,644 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 04:53:31,699 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 04:53:31,700 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 04:53:31,700 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 04:53:31,700 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1545549142] [2024-11-14 04:53:31,700 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1545549142] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 04:53:31,700 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 04:53:31,700 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-14 04:53:31,700 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2130451013] [2024-11-14 04:53:31,700 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 04:53:31,701 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-14 04:53:31,701 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 04:53:31,702 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-14 04:53:31,702 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-14 04:53:31,702 INFO L87 Difference]: Start difference. First operand 24 states and 27 transitions. Second operand has 4 states, 4 states have (on average 3.5) internal successors, (14), 3 states have internal predecessors, (14), 2 states have call successors, (3), 2 states have call predecessors, (3), 3 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-14 04:53:31,721 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:53:31,721 INFO L93 Difference]: Finished difference Result 29 states and 30 transitions. [2024-11-14 04:53:31,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-14 04:53:31,722 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.5) internal successors, (14), 3 states have internal predecessors, (14), 2 states have call successors, (3), 2 states have call predecessors, (3), 3 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) Word has length 20 [2024-11-14 04:53:31,723 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:53:31,723 INFO L225 Difference]: With dead ends: 29 [2024-11-14 04:53:31,723 INFO L226 Difference]: Without dead ends: 19 [2024-11-14 04:53:31,724 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 17 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 04:53:31,724 INFO L432 NwaCegarLoop]: 19 mSDtfsCounter, 0 mSDsluCounter, 34 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 53 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-14 04:53:31,725 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 53 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-14 04:53:31,727 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states. [2024-11-14 04:53:31,733 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19. [2024-11-14 04:53:31,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 13 states have (on average 1.0769230769230769) internal successors, (14), 13 states have internal predecessors, (14), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-14 04:53:31,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 20 transitions. [2024-11-14 04:53:31,734 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 20 transitions. Word has length 20 [2024-11-14 04:53:31,734 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:53:31,735 INFO L471 AbstractCegarLoop]: Abstraction has 19 states and 20 transitions. [2024-11-14 04:53:31,735 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.5) internal successors, (14), 3 states have internal predecessors, (14), 2 states have call successors, (3), 2 states have call predecessors, (3), 3 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-14 04:53:31,735 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 20 transitions. [2024-11-14 04:53:31,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-14 04:53:31,737 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:53:31,738 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 04:53:31,742 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c583a280-6b53-4b31-9685-3d3a914cc73f/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)] Forceful destruction successful, exit code 0 [2024-11-14 04:53:31,938 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c583a280-6b53-4b31-9685-3d3a914cc73f/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 04:53:31,938 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-14 04:53:31,939 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:53:31,939 INFO L85 PathProgramCache]: Analyzing trace with hash 1395401216, now seen corresponding path program 1 times [2024-11-14 04:53:31,939 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 04:53:31,940 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1871316041] [2024-11-14 04:53:31,940 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:53:31,940 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 04:53:31,940 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c583a280-6b53-4b31-9685-3d3a914cc73f/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 04:53:31,942 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c583a280-6b53-4b31-9685-3d3a914cc73f/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 04:53:31,944 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c583a280-6b53-4b31-9685-3d3a914cc73f/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 04:53:32,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-14 04:53:32,017 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-14 04:53:32,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-14 04:53:32,078 INFO L130 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2024-11-14 04:53:32,078 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-14 04:53:32,079 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-11-14 04:53:32,080 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-11-14 04:53:32,086 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c583a280-6b53-4b31-9685-3d3a914cc73f/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 04:53:32,281 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c583a280-6b53-4b31-9685-3d3a914cc73f/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 04:53:32,284 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-11-14 04:53:32,324 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-14 04:53:32,331 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.11 04:53:32 BoogieIcfgContainer [2024-11-14 04:53:32,331 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-14 04:53:32,332 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-14 04:53:32,332 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-14 04:53:32,333 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-14 04:53:32,334 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 04:53:30" (3/4) ... [2024-11-14 04:53:32,336 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-14 04:53:32,339 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-14 04:53:32,340 INFO L158 Benchmark]: Toolchain (without parser) took 3528.08ms. Allocated memory was 117.4MB in the beginning and 251.7MB in the end (delta: 134.2MB). Free memory was 89.7MB in the beginning and 199.9MB in the end (delta: -110.1MB). Peak memory consumption was 24.2MB. Max. memory is 16.1GB. [2024-11-14 04:53:32,341 INFO L158 Benchmark]: CDTParser took 3.71ms. Allocated memory is still 117.4MB. Free memory is still 84.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 04:53:32,342 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1444.49ms. Allocated memory is still 117.4MB. Free memory was 89.5MB in the beginning and 69.8MB in the end (delta: 19.7MB). Peak memory consumption was 58.2MB. Max. memory is 16.1GB. [2024-11-14 04:53:32,343 INFO L158 Benchmark]: Boogie Procedure Inliner took 50.67ms. Allocated memory is still 117.4MB. Free memory was 69.8MB in the beginning and 67.3MB in the end (delta: 2.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 04:53:32,343 INFO L158 Benchmark]: Boogie Preprocessor took 28.06ms. Allocated memory is still 117.4MB. Free memory was 67.3MB in the beginning and 65.8MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 04:53:32,343 INFO L158 Benchmark]: RCFGBuilder took 410.64ms. Allocated memory is still 117.4MB. Free memory was 65.8MB in the beginning and 52.6MB in the end (delta: 13.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-14 04:53:32,343 INFO L158 Benchmark]: TraceAbstraction took 1578.09ms. Allocated memory was 117.4MB in the beginning and 251.7MB in the end (delta: 134.2MB). Free memory was 52.1MB in the beginning and 199.9MB in the end (delta: -147.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 04:53:32,344 INFO L158 Benchmark]: Witness Printer took 7.17ms. Allocated memory is still 251.7MB. Free memory was 199.9MB in the beginning and 199.9MB in the end (delta: 35.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 04:53:32,346 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 3.71ms. Allocated memory is still 117.4MB. Free memory is still 84.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1444.49ms. Allocated memory is still 117.4MB. Free memory was 89.5MB in the beginning and 69.8MB in the end (delta: 19.7MB). Peak memory consumption was 58.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 50.67ms. Allocated memory is still 117.4MB. Free memory was 69.8MB in the beginning and 67.3MB in the end (delta: 2.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 28.06ms. Allocated memory is still 117.4MB. Free memory was 67.3MB in the beginning and 65.8MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 410.64ms. Allocated memory is still 117.4MB. Free memory was 65.8MB in the beginning and 52.6MB in the end (delta: 13.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1578.09ms. Allocated memory was 117.4MB in the beginning and 251.7MB in the end (delta: 134.2MB). Free memory was 52.1MB in the beginning and 199.9MB in the end (delta: -147.8MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 7.17ms. Allocated memory is still 251.7MB. Free memory was 199.9MB in the beginning and 199.9MB in the end (delta: 35.5kB). 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: 1560]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of large string literal at line 1568. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1568] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={1:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1568] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1569] CALL CWE190_Integer_Overflow__int_max_multiply_11_bad() [L1550] int data; [L1551] data = 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1552] CALL globalReturnsTrue() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1512] return 1; VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \result=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1552] RET globalReturnsTrue() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1552] COND TRUE globalReturnsTrue() [L1554] data = 0x7fffffff VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=2147483647, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1556] CALL globalReturnsTrue() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1512] return 1; VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \result=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1556] RET globalReturnsTrue() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=2147483647, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1556] COND TRUE globalReturnsTrue() [L1558] COND TRUE data > 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=2147483647, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1560] data * 2 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] - UnprovableResult [Line: 1560]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 27 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1.5s, OverallIterations: 3, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2 mSDsluCounter, 105 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 57 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 15 IncrementalHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 48 mSDtfsCounter, 15 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 38 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=27occurred 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, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 61 NumberOfCodeBlocks, 61 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 38 ConstructedInterpolants, 0 QuantifiedInterpolants, 52 SizeOfPredicates, 0 NumberOfNonLiveVariables, 101 ConjunctsInSsa, 5 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 6/6 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 04:53:32,378 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c583a280-6b53-4b31-9685-3d3a914cc73f/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