./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_multiply_16_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_e5d0cd7f-0fcd-4da1-852e-c6ab4f85206c/bin/uautomizer-verify-qhAvR1uOyd/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5d0cd7f-0fcd-4da1-852e-c6ab4f85206c/bin/uautomizer-verify-qhAvR1uOyd/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5d0cd7f-0fcd-4da1-852e-c6ab4f85206c/bin/uautomizer-verify-qhAvR1uOyd/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5d0cd7f-0fcd-4da1-852e-c6ab4f85206c/bin/uautomizer-verify-qhAvR1uOyd/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_multiply_16_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5d0cd7f-0fcd-4da1-852e-c6ab4f85206c/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5d0cd7f-0fcd-4da1-852e-c6ab4f85206c/bin/uautomizer-verify-qhAvR1uOyd --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 Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 1f26464a294399bb16fe90ed42a38a82e1a93cb1a412a85ee2da79004e5facb0 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 13:48:19,575 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 13:48:19,692 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5d0cd7f-0fcd-4da1-852e-c6ab4f85206c/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Overflow-64bit-Automizer_Default.epf [2024-11-13 13:48:19,701 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 13:48:19,701 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 13:48:19,743 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 13:48:19,744 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 13:48:19,745 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 13:48:19,745 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-13 13:48:19,746 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-13 13:48:19,747 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 13:48:19,747 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 13:48:19,748 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 13:48:19,748 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 13:48:19,748 INFO L153 SettingsManager]: * Use SBE=true [2024-11-13 13:48:19,748 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 13:48:19,748 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 13:48:19,748 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 13:48:19,748 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 13:48:19,748 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 13:48:19,749 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 13:48:19,749 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 13:48:19,749 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 13:48:19,749 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 13:48:19,749 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 13:48:19,749 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 13:48:19,749 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 13:48:19,749 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 13:48:19,749 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 13:48:19,749 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-13 13:48:19,749 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 13:48:19,750 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 13:48:19,750 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 13:48:19,750 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 13:48:19,750 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 13:48:19,750 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-13 13:48:19,750 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 13:48:19,750 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 13:48:19,750 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-13 13:48:19,750 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-13 13:48:19,751 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-13 13:48:19,752 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_e5d0cd7f-0fcd-4da1-852e-c6ab4f85206c/bin/uautomizer-verify-qhAvR1uOyd 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 -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1f26464a294399bb16fe90ed42a38a82e1a93cb1a412a85ee2da79004e5facb0 [2024-11-13 13:48:20,114 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 13:48:20,125 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 13:48:20,128 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 13:48:20,129 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 13:48:20,130 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 13:48:20,131 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5d0cd7f-0fcd-4da1-852e-c6ab4f85206c/bin/uautomizer-verify-qhAvR1uOyd/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_multiply_16_bad.i Unable to find full path for "g++" [2024-11-13 13:48:22,005 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 13:48:22,486 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 13:48:22,487 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5d0cd7f-0fcd-4da1-852e-c6ab4f85206c/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_multiply_16_bad.i [2024-11-13 13:48:22,509 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5d0cd7f-0fcd-4da1-852e-c6ab4f85206c/bin/uautomizer-verify-qhAvR1uOyd/data/a62d25e94/b4a98e7dc21440e992d573cc44c561af/FLAGce145514e [2024-11-13 13:48:22,523 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5d0cd7f-0fcd-4da1-852e-c6ab4f85206c/bin/uautomizer-verify-qhAvR1uOyd/data/a62d25e94/b4a98e7dc21440e992d573cc44c561af [2024-11-13 13:48:22,525 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 13:48:22,527 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 13:48:22,528 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 13:48:22,528 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 13:48:22,533 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 13:48:22,534 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 01:48:22" (1/1) ... [2024-11-13 13:48:22,535 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@93f1404 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:48:22, skipping insertion in model container [2024-11-13 13:48:22,535 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 01:48:22" (1/1) ... [2024-11-13 13:48:22,577 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 13:48:23,510 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 13:48:23,523 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 13:48:23,664 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 13:48:23,785 INFO L204 MainTranslator]: Completed translation [2024-11-13 13:48:23,786 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:48:23 WrapperNode [2024-11-13 13:48:23,786 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 13:48:23,787 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 13:48:23,788 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 13:48:23,788 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 13:48:23,794 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:48:23" (1/1) ... [2024-11-13 13:48:23,813 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:48:23" (1/1) ... [2024-11-13 13:48:23,846 INFO L138 Inliner]: procedures = 497, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 47 [2024-11-13 13:48:23,847 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 13:48:23,848 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 13:48:23,849 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 13:48:23,849 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 13:48:23,859 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:48:23" (1/1) ... [2024-11-13 13:48:23,859 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:48:23" (1/1) ... [2024-11-13 13:48:23,861 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:48:23" (1/1) ... [2024-11-13 13:48:23,883 INFO L175 MemorySlicer]: No memory access in input program. [2024-11-13 13:48:23,884 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:48:23" (1/1) ... [2024-11-13 13:48:23,884 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:48:23" (1/1) ... [2024-11-13 13:48:23,891 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:48:23" (1/1) ... [2024-11-13 13:48:23,897 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:48:23" (1/1) ... [2024-11-13 13:48:23,902 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:48:23" (1/1) ... [2024-11-13 13:48:23,903 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:48:23" (1/1) ... [2024-11-13 13:48:23,905 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 13:48:23,909 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 13:48:23,910 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 13:48:23,910 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 13:48:23,911 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:48:23" (1/1) ... [2024-11-13 13:48:23,918 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 13:48:23,933 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5d0cd7f-0fcd-4da1-852e-c6ab4f85206c/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:48:23,944 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5d0cd7f-0fcd-4da1-852e-c6ab4f85206c/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-13 13:48:23,947 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5d0cd7f-0fcd-4da1-852e-c6ab4f85206c/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-13 13:48:23,973 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 13:48:23,974 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 13:48:23,974 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 13:48:23,974 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 13:48:23,974 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 13:48:24,135 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 13:48:24,137 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 13:48:24,251 INFO L? ?]: Removed 20 outVars from TransFormulas that were not future-live. [2024-11-13 13:48:24,251 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 13:48:24,259 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 13:48:24,260 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-13 13:48:24,260 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 01:48:24 BoogieIcfgContainer [2024-11-13 13:48:24,260 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 13:48:24,263 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-13 13:48:24,263 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-13 13:48:24,268 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-13 13:48:24,268 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 01:48:22" (1/3) ... [2024-11-13 13:48:24,269 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1cee0bc2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 01:48:24, skipping insertion in model container [2024-11-13 13:48:24,269 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:48:23" (2/3) ... [2024-11-13 13:48:24,270 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1cee0bc2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 01:48:24, skipping insertion in model container [2024-11-13 13:48:24,270 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 01:48:24" (3/3) ... [2024-11-13 13:48:24,271 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_min_multiply_16_bad.i [2024-11-13 13:48:24,289 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-13 13:48:24,290 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG CWE191_Integer_Underflow__int_min_multiply_16_bad.i that has 2 procedures, 22 locations, 1 initial locations, 2 loop locations, and 2 error locations. [2024-11-13 13:48:24,347 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-13 13:48:24,361 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=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@2b87189a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 13:48:24,361 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-13 13:48:24,365 INFO L276 IsEmpty]: Start isEmpty. Operand has 22 states, 16 states have (on average 1.5) internal successors, (24), 18 states have internal predecessors, (24), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-13 13:48:24,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 13:48:24,375 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:48:24,376 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:48:24,377 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-13 13:48:24,383 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:48:24,384 INFO L85 PathProgramCache]: Analyzing trace with hash -1594105065, now seen corresponding path program 1 times [2024-11-13 13:48:24,392 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:48:24,393 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1591877347] [2024-11-13 13:48:24,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:48:24,393 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:48:24,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:48:24,613 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-13 13:48:24,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:48:24,655 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:48:24,656 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:48:24,656 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1591877347] [2024-11-13 13:48:24,656 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1591877347] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:48:24,657 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:48:24,660 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 13:48:24,662 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [443014027] [2024-11-13 13:48:24,663 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:48:24,670 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-13 13:48:24,670 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:48:24,691 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-13 13:48:24,693 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-13 13:48:24,697 INFO L87 Difference]: Start difference. First operand has 22 states, 16 states have (on average 1.5) internal successors, (24), 18 states have internal predecessors, (24), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-13 13:48:24,714 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:48:24,715 INFO L93 Difference]: Finished difference Result 39 states and 48 transitions. [2024-11-13 13:48:24,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 13:48:24,718 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 12 [2024-11-13 13:48:24,718 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:48:24,724 INFO L225 Difference]: With dead ends: 39 [2024-11-13 13:48:24,724 INFO L226 Difference]: Without dead ends: 15 [2024-11-13 13:48:24,726 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-13 13:48:24,730 INFO L432 NwaCegarLoop]: 24 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 24 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-13 13:48:24,731 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 13:48:24,742 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states. [2024-11-13 13:48:24,758 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2024-11-13 13:48:24,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 11 states have (on average 1.1818181818181819) internal successors, (13), 12 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-13 13:48:24,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 15 transitions. [2024-11-13 13:48:24,764 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 15 transitions. Word has length 12 [2024-11-13 13:48:24,765 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:48:24,765 INFO L471 AbstractCegarLoop]: Abstraction has 15 states and 15 transitions. [2024-11-13 13:48:24,765 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-13 13:48:24,765 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 15 transitions. [2024-11-13 13:48:24,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 13:48:24,766 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:48:24,766 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:48:24,766 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-13 13:48:24,767 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-13 13:48:24,767 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:48:24,768 INFO L85 PathProgramCache]: Analyzing trace with hash -1594045483, now seen corresponding path program 1 times [2024-11-13 13:48:24,768 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:48:24,768 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [719084495] [2024-11-13 13:48:24,768 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:48:24,768 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:48:24,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 13:48:24,800 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 13:48:24,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 13:48:24,829 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 13:48:24,830 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-13 13:48:24,835 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-11-13 13:48:24,837 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-11-13 13:48:24,837 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-13 13:48:24,841 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1] [2024-11-13 13:48:24,863 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-13 13:48:24,867 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.11 01:48:24 BoogieIcfgContainer [2024-11-13 13:48:24,867 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-13 13:48:24,868 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 13:48:24,868 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 13:48:24,868 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 13:48:24,870 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 01:48:24" (3/4) ... [2024-11-13 13:48:24,872 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 13:48:24,873 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 13:48:24,875 INFO L158 Benchmark]: Toolchain (without parser) took 2347.78ms. Allocated memory is still 142.6MB. Free memory was 115.8MB in the beginning and 85.8MB in the end (delta: 30.1MB). Peak memory consumption was 30.4MB. Max. memory is 16.1GB. [2024-11-13 13:48:24,875 INFO L158 Benchmark]: CDTParser took 0.48ms. Allocated memory is still 142.6MB. Free memory is still 78.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 13:48:24,875 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1258.56ms. Allocated memory is still 142.6MB. Free memory was 115.8MB in the beginning and 56.7MB in the end (delta: 59.2MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. [2024-11-13 13:48:24,875 INFO L158 Benchmark]: Boogie Procedure Inliner took 59.59ms. Allocated memory is still 142.6MB. Free memory was 56.7MB in the beginning and 54.3MB in the end (delta: 2.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 13:48:24,876 INFO L158 Benchmark]: Boogie Preprocessor took 61.30ms. Allocated memory is still 142.6MB. Free memory was 54.3MB in the beginning and 52.8MB in the end (delta: 1.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 13:48:24,876 INFO L158 Benchmark]: RCFGBuilder took 350.68ms. Allocated memory is still 142.6MB. Free memory was 52.8MB in the beginning and 110.4MB in the end (delta: -57.6MB). Peak memory consumption was 13.6MB. Max. memory is 16.1GB. [2024-11-13 13:48:24,877 INFO L158 Benchmark]: TraceAbstraction took 603.96ms. Allocated memory is still 142.6MB. Free memory was 109.7MB in the beginning and 85.8MB in the end (delta: 23.9MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-13 13:48:24,877 INFO L158 Benchmark]: Witness Printer took 6.02ms. Allocated memory is still 142.6MB. Free memory is still 85.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 13:48:24,879 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.48ms. Allocated memory is still 142.6MB. Free memory is still 78.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1258.56ms. Allocated memory is still 142.6MB. Free memory was 115.8MB in the beginning and 56.7MB in the end (delta: 59.2MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 59.59ms. Allocated memory is still 142.6MB. Free memory was 56.7MB in the beginning and 54.3MB in the end (delta: 2.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 61.30ms. Allocated memory is still 142.6MB. Free memory was 54.3MB in the beginning and 52.8MB in the end (delta: 1.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 350.68ms. Allocated memory is still 142.6MB. Free memory was 52.8MB in the beginning and 110.4MB in the end (delta: -57.6MB). Peak memory consumption was 13.6MB. Max. memory is 16.1GB. * TraceAbstraction took 603.96ms. Allocated memory is still 142.6MB. Free memory was 109.7MB in the beginning and 85.8MB in the end (delta: 23.9MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Witness Printer took 6.02ms. Allocated memory is still 142.6MB. Free memory is still 85.8MB. 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: 1561]: 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 1570. 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] [L1570] 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) [L1570] 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] [L1571] CALL CWE191_Integer_Underflow__int_min_multiply_16_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] COND TRUE 1 [L1554] data = (-0x7fffffff - 1) VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1557] COND TRUE 1 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1559] COND TRUE data < 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1561] 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: 1561]: 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 2 procedures, 22 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 24 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 0 IncrementalHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 24 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 4 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=22occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 24 NumberOfCodeBlocks, 24 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 11 ConstructedInterpolants, 0 QuantifiedInterpolants, 11 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-13 13:48:24,910 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5d0cd7f-0fcd-4da1-852e-c6ab4f85206c/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally 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_e5d0cd7f-0fcd-4da1-852e-c6ab4f85206c/bin/uautomizer-verify-qhAvR1uOyd/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5d0cd7f-0fcd-4da1-852e-c6ab4f85206c/bin/uautomizer-verify-qhAvR1uOyd/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5d0cd7f-0fcd-4da1-852e-c6ab4f85206c/bin/uautomizer-verify-qhAvR1uOyd/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5d0cd7f-0fcd-4da1-852e-c6ab4f85206c/bin/uautomizer-verify-qhAvR1uOyd/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_multiply_16_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5d0cd7f-0fcd-4da1-852e-c6ab4f85206c/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5d0cd7f-0fcd-4da1-852e-c6ab4f85206c/bin/uautomizer-verify-qhAvR1uOyd --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 Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 1f26464a294399bb16fe90ed42a38a82e1a93cb1a412a85ee2da79004e5facb0 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 13:48:27,615 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 13:48:27,735 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5d0cd7f-0fcd-4da1-852e-c6ab4f85206c/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf [2024-11-13 13:48:27,750 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 13:48:27,750 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 13:48:27,751 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2024-11-13 13:48:27,774 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 13:48:27,776 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 13:48:27,777 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 13:48:27,777 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-13 13:48:27,778 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-13 13:48:27,779 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 13:48:27,779 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 13:48:27,779 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 13:48:27,779 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 13:48:27,779 INFO L153 SettingsManager]: * Use SBE=true [2024-11-13 13:48:27,780 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 13:48:27,780 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 13:48:27,780 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 13:48:27,780 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 13:48:27,781 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 13:48:27,781 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 13:48:27,781 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 13:48:27,781 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 13:48:27,781 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 13:48:27,781 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 13:48:27,781 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 13:48:27,781 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 13:48:27,781 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 13:48:27,782 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 13:48:27,782 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 13:48:27,782 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 13:48:27,782 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-13 13:48:27,782 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 13:48:27,782 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 13:48:27,783 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 13:48:27,783 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 13:48:27,783 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 13:48:27,784 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-13 13:48:27,784 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 13:48:27,784 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 13:48:27,784 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-13 13:48:27,784 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-13 13:48:27,784 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-13 13:48:27,784 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_e5d0cd7f-0fcd-4da1-852e-c6ab4f85206c/bin/uautomizer-verify-qhAvR1uOyd 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 -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1f26464a294399bb16fe90ed42a38a82e1a93cb1a412a85ee2da79004e5facb0 [2024-11-13 13:48:28,110 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 13:48:28,118 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 13:48:28,121 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 13:48:28,122 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 13:48:28,122 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 13:48:28,123 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5d0cd7f-0fcd-4da1-852e-c6ab4f85206c/bin/uautomizer-verify-qhAvR1uOyd/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_multiply_16_bad.i Unable to find full path for "g++" [2024-11-13 13:48:30,147 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 13:48:30,595 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 13:48:30,596 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5d0cd7f-0fcd-4da1-852e-c6ab4f85206c/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_multiply_16_bad.i [2024-11-13 13:48:30,629 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5d0cd7f-0fcd-4da1-852e-c6ab4f85206c/bin/uautomizer-verify-qhAvR1uOyd/data/fc9cd9eac/295524058de94773b0c23cec3dc9ee0e/FLAG90b3c0078 [2024-11-13 13:48:30,654 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5d0cd7f-0fcd-4da1-852e-c6ab4f85206c/bin/uautomizer-verify-qhAvR1uOyd/data/fc9cd9eac/295524058de94773b0c23cec3dc9ee0e [2024-11-13 13:48:30,657 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 13:48:30,660 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 13:48:30,661 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 13:48:30,661 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 13:48:30,670 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 13:48:30,671 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 01:48:30" (1/1) ... [2024-11-13 13:48:30,672 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6f2f0286 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:48:30, skipping insertion in model container [2024-11-13 13:48:30,672 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 01:48:30" (1/1) ... [2024-11-13 13:48:30,732 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 13:48:31,609 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 13:48:31,624 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 13:48:31,770 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 13:48:31,939 INFO L204 MainTranslator]: Completed translation [2024-11-13 13:48:31,939 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:48:31 WrapperNode [2024-11-13 13:48:31,939 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 13:48:31,940 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 13:48:31,940 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 13:48:31,941 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 13:48:31,947 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:48:31" (1/1) ... [2024-11-13 13:48:31,967 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:48:31" (1/1) ... [2024-11-13 13:48:31,986 INFO L138 Inliner]: procedures = 502, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 47 [2024-11-13 13:48:31,987 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 13:48:31,987 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 13:48:31,988 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 13:48:31,988 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 13:48:31,996 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:48:31" (1/1) ... [2024-11-13 13:48:31,996 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:48:31" (1/1) ... [2024-11-13 13:48:31,999 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:48:31" (1/1) ... [2024-11-13 13:48:32,008 INFO L175 MemorySlicer]: No memory access in input program. [2024-11-13 13:48:32,008 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:48:31" (1/1) ... [2024-11-13 13:48:32,008 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:48:31" (1/1) ... [2024-11-13 13:48:32,015 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:48:31" (1/1) ... [2024-11-13 13:48:32,018 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:48:31" (1/1) ... [2024-11-13 13:48:32,020 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:48:31" (1/1) ... [2024-11-13 13:48:32,021 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:48:31" (1/1) ... [2024-11-13 13:48:32,024 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 13:48:32,025 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 13:48:32,025 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 13:48:32,025 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 13:48:32,026 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:48:31" (1/1) ... [2024-11-13 13:48:32,031 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 13:48:32,045 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5d0cd7f-0fcd-4da1-852e-c6ab4f85206c/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:48:32,058 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5d0cd7f-0fcd-4da1-852e-c6ab4f85206c/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-13 13:48:32,065 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5d0cd7f-0fcd-4da1-852e-c6ab4f85206c/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-13 13:48:32,089 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 13:48:32,089 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 13:48:32,090 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 13:48:32,090 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 13:48:32,090 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 13:48:32,242 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 13:48:32,244 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 13:48:32,373 INFO L? ?]: Removed 20 outVars from TransFormulas that were not future-live. [2024-11-13 13:48:32,373 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 13:48:32,385 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 13:48:32,386 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-13 13:48:32,386 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 01:48:32 BoogieIcfgContainer [2024-11-13 13:48:32,386 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 13:48:32,389 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-13 13:48:32,389 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-13 13:48:32,397 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-13 13:48:32,397 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 01:48:30" (1/3) ... [2024-11-13 13:48:32,398 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@228e295c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 01:48:32, skipping insertion in model container [2024-11-13 13:48:32,398 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:48:31" (2/3) ... [2024-11-13 13:48:32,398 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@228e295c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 01:48:32, skipping insertion in model container [2024-11-13 13:48:32,398 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 01:48:32" (3/3) ... [2024-11-13 13:48:32,399 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_min_multiply_16_bad.i [2024-11-13 13:48:32,416 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-13 13:48:32,417 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG CWE191_Integer_Underflow__int_min_multiply_16_bad.i that has 2 procedures, 22 locations, 1 initial locations, 2 loop locations, and 2 error locations. [2024-11-13 13:48:32,469 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-13 13:48:32,482 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=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@133c6360, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 13:48:32,483 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-13 13:48:32,487 INFO L276 IsEmpty]: Start isEmpty. Operand has 22 states, 16 states have (on average 1.5) internal successors, (24), 18 states have internal predecessors, (24), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-13 13:48:32,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 13:48:32,497 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:48:32,498 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:48:32,509 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-13 13:48:32,514 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:48:32,514 INFO L85 PathProgramCache]: Analyzing trace with hash -1594105065, now seen corresponding path program 1 times [2024-11-13 13:48:32,523 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-13 13:48:32,523 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [756487212] [2024-11-13 13:48:32,524 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:48:32,524 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:48:32,524 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5d0cd7f-0fcd-4da1-852e-c6ab4f85206c/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:48:32,526 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5d0cd7f-0fcd-4da1-852e-c6ab4f85206c/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 13:48:32,528 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5d0cd7f-0fcd-4da1-852e-c6ab4f85206c/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-13 13:48:32,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:48:32,662 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-13 13:48:32,667 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 13:48:32,692 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:48:32,692 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 13:48:32,693 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-13 13:48:32,693 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [756487212] [2024-11-13 13:48:32,696 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [756487212] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:48:32,697 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:48:32,697 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 13:48:32,699 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [340907987] [2024-11-13 13:48:32,699 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:48:32,704 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-13 13:48:32,705 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-13 13:48:32,726 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-13 13:48:32,727 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-13 13:48:32,729 INFO L87 Difference]: Start difference. First operand has 22 states, 16 states have (on average 1.5) internal successors, (24), 18 states have internal predecessors, (24), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-13 13:48:32,746 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:48:32,747 INFO L93 Difference]: Finished difference Result 39 states and 48 transitions. [2024-11-13 13:48:32,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 13:48:32,749 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 12 [2024-11-13 13:48:32,750 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:48:32,755 INFO L225 Difference]: With dead ends: 39 [2024-11-13 13:48:32,755 INFO L226 Difference]: Without dead ends: 15 [2024-11-13 13:48:32,759 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-13 13:48:32,764 INFO L432 NwaCegarLoop]: 24 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 24 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-13 13:48:32,765 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 13:48:32,779 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states. [2024-11-13 13:48:32,795 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2024-11-13 13:48:32,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 11 states have (on average 1.1818181818181819) internal successors, (13), 12 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-13 13:48:32,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 15 transitions. [2024-11-13 13:48:32,804 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 15 transitions. Word has length 12 [2024-11-13 13:48:32,804 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:48:32,805 INFO L471 AbstractCegarLoop]: Abstraction has 15 states and 15 transitions. [2024-11-13 13:48:32,805 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-13 13:48:32,805 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 15 transitions. [2024-11-13 13:48:32,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 13:48:32,807 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:48:32,807 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:48:32,831 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5d0cd7f-0fcd-4da1-852e-c6ab4f85206c/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-13 13:48:33,011 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5d0cd7f-0fcd-4da1-852e-c6ab4f85206c/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:48:33,013 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-13 13:48:33,013 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:48:33,014 INFO L85 PathProgramCache]: Analyzing trace with hash -1594045483, now seen corresponding path program 1 times [2024-11-13 13:48:33,015 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-13 13:48:33,017 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [533571205] [2024-11-13 13:48:33,017 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:48:33,018 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:48:33,018 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5d0cd7f-0fcd-4da1-852e-c6ab4f85206c/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:48:33,021 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5d0cd7f-0fcd-4da1-852e-c6ab4f85206c/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 13:48:33,023 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5d0cd7f-0fcd-4da1-852e-c6ab4f85206c/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-13 13:48:33,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 13:48:33,127 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 13:48:33,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 13:48:33,189 INFO L130 FreeRefinementEngine]: Strategy FOX found a feasible trace [2024-11-13 13:48:33,189 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-13 13:48:33,191 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-11-13 13:48:33,193 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-11-13 13:48:33,210 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5d0cd7f-0fcd-4da1-852e-c6ab4f85206c/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-13 13:48:33,394 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5d0cd7f-0fcd-4da1-852e-c6ab4f85206c/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:48:33,397 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1] [2024-11-13 13:48:33,419 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-13 13:48:33,424 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.11 01:48:33 BoogieIcfgContainer [2024-11-13 13:48:33,424 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-13 13:48:33,425 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 13:48:33,425 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 13:48:33,426 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 13:48:33,427 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 01:48:32" (3/4) ... [2024-11-13 13:48:33,430 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 13:48:33,431 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 13:48:33,433 INFO L158 Benchmark]: Toolchain (without parser) took 2773.68ms. Allocated memory is still 83.9MB. Free memory was 56.8MB in the beginning and 35.6MB in the end (delta: 21.2MB). Peak memory consumption was 27.5MB. Max. memory is 16.1GB. [2024-11-13 13:48:33,433 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 83.9MB. Free memory is still 64.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 13:48:33,434 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1278.78ms. Allocated memory is still 83.9MB. Free memory was 56.5MB in the beginning and 52.0MB in the end (delta: 4.5MB). Peak memory consumption was 58.0MB. Max. memory is 16.1GB. [2024-11-13 13:48:33,434 INFO L158 Benchmark]: Boogie Procedure Inliner took 46.72ms. Allocated memory is still 83.9MB. Free memory was 52.0MB in the beginning and 49.3MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 13:48:33,435 INFO L158 Benchmark]: Boogie Preprocessor took 36.48ms. Allocated memory is still 83.9MB. Free memory was 49.3MB in the beginning and 47.4MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 13:48:33,436 INFO L158 Benchmark]: RCFGBuilder took 361.71ms. Allocated memory is still 83.9MB. Free memory was 47.4MB in the beginning and 35.4MB in the end (delta: 11.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 13:48:33,437 INFO L158 Benchmark]: TraceAbstraction took 1036.03ms. Allocated memory is still 83.9MB. Free memory was 34.7MB in the beginning and 35.6MB in the end (delta: -900.6kB). Peak memory consumption was 1.6MB. Max. memory is 16.1GB. [2024-11-13 13:48:33,440 INFO L158 Benchmark]: Witness Printer took 6.02ms. Allocated memory is still 83.9MB. Free memory is still 35.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 13:48:33,442 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 83.9MB. Free memory is still 64.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1278.78ms. Allocated memory is still 83.9MB. Free memory was 56.5MB in the beginning and 52.0MB in the end (delta: 4.5MB). Peak memory consumption was 58.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 46.72ms. Allocated memory is still 83.9MB. Free memory was 52.0MB in the beginning and 49.3MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 36.48ms. Allocated memory is still 83.9MB. Free memory was 49.3MB in the beginning and 47.4MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 361.71ms. Allocated memory is still 83.9MB. Free memory was 47.4MB in the beginning and 35.4MB in the end (delta: 11.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1036.03ms. Allocated memory is still 83.9MB. Free memory was 34.7MB in the beginning and 35.6MB in the end (delta: -900.6kB). Peak memory consumption was 1.6MB. Max. memory is 16.1GB. * Witness Printer took 6.02ms. Allocated memory is still 83.9MB. Free memory is still 35.6MB. 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: 1561]: 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 1570. 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] [L1570] 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) [L1570] 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] [L1571] CALL CWE191_Integer_Underflow__int_min_multiply_16_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] COND TRUE 1 [L1554] data = (-0x7fffffff - 1) VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1557] COND TRUE 1 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1559] COND TRUE data < 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1561] 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: 1561]: 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 2 procedures, 22 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.9s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 24 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 0 IncrementalHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 24 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 11 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=22occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 24 NumberOfCodeBlocks, 24 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 11 ConstructedInterpolants, 0 QuantifiedInterpolants, 11 SizeOfPredicates, 0 NumberOfNonLiveVariables, 38 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-13 13:48:33,469 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5d0cd7f-0fcd-4da1-852e-c6ab4f85206c/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample