./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_preinc_15_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_2ba27275-3e02-4c15-b48d-b6f9a841f7b1/bin/uautomizer-verify-qhAvR1uOyd/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ba27275-3e02-4c15-b48d-b6f9a841f7b1/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_2ba27275-3e02-4c15-b48d-b6f9a841f7b1/bin/uautomizer-verify-qhAvR1uOyd/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ba27275-3e02-4c15-b48d-b6f9a841f7b1/bin/uautomizer-verify-qhAvR1uOyd/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_preinc_15_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ba27275-3e02-4c15-b48d-b6f9a841f7b1/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_2ba27275-3e02-4c15-b48d-b6f9a841f7b1/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 078e05f2e712633d6a1ad29eff662b8f3a2368aa3d50c35a1796f7237f9a0e1a --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 14:29:55,511 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 14:29:55,598 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ba27275-3e02-4c15-b48d-b6f9a841f7b1/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Overflow-64bit-Automizer_Default.epf [2024-11-13 14:29:55,603 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 14:29:55,604 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 14:29:55,641 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 14:29:55,642 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 14:29:55,642 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 14:29:55,642 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-13 14:29:55,642 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-13 14:29:55,643 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 14:29:55,643 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 14:29:55,643 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 14:29:55,643 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 14:29:55,643 INFO L153 SettingsManager]: * Use SBE=true [2024-11-13 14:29:55,643 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 14:29:55,643 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 14:29:55,643 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 14:29:55,644 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 14:29:55,644 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 14:29:55,644 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 14:29:55,644 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 14:29:55,644 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 14:29:55,644 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 14:29:55,644 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 14:29:55,644 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 14:29:55,644 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 14:29:55,644 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 14:29:55,645 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 14:29:55,647 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-13 14:29:55,647 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 14:29:55,647 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 14:29:55,647 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 14:29:55,648 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 14:29:55,648 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 14:29:55,648 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-13 14:29:55,648 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 14:29:55,649 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 14:29:55,649 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-13 14:29:55,649 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-13 14:29:55,649 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-13 14:29:55,649 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_2ba27275-3e02-4c15-b48d-b6f9a841f7b1/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 -> 078e05f2e712633d6a1ad29eff662b8f3a2368aa3d50c35a1796f7237f9a0e1a [2024-11-13 14:29:55,984 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 14:29:55,997 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 14:29:56,000 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 14:29:56,001 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 14:29:56,002 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 14:29:56,004 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ba27275-3e02-4c15-b48d-b6f9a841f7b1/bin/uautomizer-verify-qhAvR1uOyd/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_preinc_15_bad.i Unable to find full path for "g++" [2024-11-13 14:29:58,297 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 14:29:58,757 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 14:29:58,758 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ba27275-3e02-4c15-b48d-b6f9a841f7b1/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_preinc_15_bad.i [2024-11-13 14:29:58,798 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ba27275-3e02-4c15-b48d-b6f9a841f7b1/bin/uautomizer-verify-qhAvR1uOyd/data/2297df7fb/f171a4db00f34b7baba0f2290326f82a/FLAGb8f694491 [2024-11-13 14:29:58,823 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ba27275-3e02-4c15-b48d-b6f9a841f7b1/bin/uautomizer-verify-qhAvR1uOyd/data/2297df7fb/f171a4db00f34b7baba0f2290326f82a [2024-11-13 14:29:58,825 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 14:29:58,826 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 14:29:58,829 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 14:29:58,830 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 14:29:58,835 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 14:29:58,836 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 02:29:58" (1/1) ... [2024-11-13 14:29:58,837 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@14846026 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:29:58, skipping insertion in model container [2024-11-13 14:29:58,837 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 02:29:58" (1/1) ... [2024-11-13 14:29:58,907 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 14:30:00,051 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 14:30:00,061 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 14:30:00,187 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 14:30:00,349 INFO L204 MainTranslator]: Completed translation [2024-11-13 14:30:00,350 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:30:00 WrapperNode [2024-11-13 14:30:00,350 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 14:30:00,351 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 14:30:00,351 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 14:30:00,351 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 14:30:00,356 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:30:00" (1/1) ... [2024-11-13 14:30:00,377 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:30:00" (1/1) ... [2024-11-13 14:30:00,404 INFO L138 Inliner]: procedures = 497, calls = 27, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 69 [2024-11-13 14:30:00,404 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 14:30:00,405 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 14:30:00,405 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 14:30:00,405 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 14:30:00,415 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:30:00" (1/1) ... [2024-11-13 14:30:00,415 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:30:00" (1/1) ... [2024-11-13 14:30:00,420 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:30:00" (1/1) ... [2024-11-13 14:30:00,432 INFO L175 MemorySlicer]: No memory access in input program. [2024-11-13 14:30:00,433 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:30:00" (1/1) ... [2024-11-13 14:30:00,433 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:30:00" (1/1) ... [2024-11-13 14:30:00,441 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:30:00" (1/1) ... [2024-11-13 14:30:00,443 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:30:00" (1/1) ... [2024-11-13 14:30:00,445 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:30:00" (1/1) ... [2024-11-13 14:30:00,446 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:30:00" (1/1) ... [2024-11-13 14:30:00,448 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 14:30:00,453 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 14:30:00,453 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 14:30:00,453 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 14:30:00,454 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:30:00" (1/1) ... [2024-11-13 14:30:00,461 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 14:30:00,476 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ba27275-3e02-4c15-b48d-b6f9a841f7b1/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:30:00,490 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ba27275-3e02-4c15-b48d-b6f9a841f7b1/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-13 14:30:00,494 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ba27275-3e02-4c15-b48d-b6f9a841f7b1/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-13 14:30:00,530 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 14:30:00,530 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 14:30:00,530 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 14:30:00,530 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 14:30:00,530 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 14:30:00,728 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 14:30:00,730 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 14:30:00,874 INFO L? ?]: Removed 25 outVars from TransFormulas that were not future-live. [2024-11-13 14:30:00,874 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 14:30:00,885 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 14:30:00,887 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 14:30:00,888 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 02:30:00 BoogieIcfgContainer [2024-11-13 14:30:00,888 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 14:30:00,891 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-13 14:30:00,892 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-13 14:30:00,898 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-13 14:30:00,898 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 02:29:58" (1/3) ... [2024-11-13 14:30:00,899 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4572dc8b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 02:30:00, skipping insertion in model container [2024-11-13 14:30:00,899 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:30:00" (2/3) ... [2024-11-13 14:30:00,900 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4572dc8b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 02:30:00, skipping insertion in model container [2024-11-13 14:30:00,900 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 02:30:00" (3/3) ... [2024-11-13 14:30:00,901 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_max_preinc_15_bad.i [2024-11-13 14:30:00,920 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-13 14:30:00,924 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG CWE190_Integer_Overflow__int_max_preinc_15_bad.i that has 2 procedures, 27 locations, 1 initial locations, 0 loop locations, and 2 error locations. [2024-11-13 14:30:01,007 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-13 14:30:01,023 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;@3708ec9d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 14:30:01,023 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-13 14:30:01,028 INFO L276 IsEmpty]: Start isEmpty. Operand has 27 states, 19 states have (on average 1.368421052631579) internal successors, (26), 23 states have internal predecessors, (26), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-13 14:30:01,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 14:30:01,037 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:30:01,038 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:30:01,038 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-13 14:30:01,045 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:30:01,046 INFO L85 PathProgramCache]: Analyzing trace with hash -1594199403, now seen corresponding path program 1 times [2024-11-13 14:30:01,054 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:30:01,055 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [562112991] [2024-11-13 14:30:01,055 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:30:01,056 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:30:01,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:30:01,352 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-13 14:30:01,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:30:01,374 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 14:30:01,374 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:30:01,377 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [562112991] [2024-11-13 14:30:01,378 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [562112991] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:30:01,378 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:30:01,378 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 14:30:01,384 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1419269207] [2024-11-13 14:30:01,385 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:30:01,392 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 14:30:01,392 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:30:01,417 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 14:30:01,417 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 14:30:01,420 INFO L87 Difference]: Start difference. First operand has 27 states, 19 states have (on average 1.368421052631579) internal successors, (26), 23 states have internal predecessors, (26), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 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 5.0) internal successors, (10), 3 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 14:30:01,487 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:30:01,490 INFO L93 Difference]: Finished difference Result 48 states and 59 transitions. [2024-11-13 14:30:01,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 14:30:01,493 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 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 14:30:01,494 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:30:01,499 INFO L225 Difference]: With dead ends: 48 [2024-11-13 14:30:01,500 INFO L226 Difference]: Without dead ends: 21 [2024-11-13 14:30:01,504 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 14:30:01,508 INFO L432 NwaCegarLoop]: 32 mSDtfsCounter, 5 mSDsluCounter, 27 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 59 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-13 14:30:01,509 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 59 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 14:30:01,524 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2024-11-13 14:30:01,541 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 20. [2024-11-13 14:30:01,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 15 states have (on average 1.2666666666666666) internal successors, (19), 17 states have internal predecessors, (19), 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 14:30:01,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 23 transitions. [2024-11-13 14:30:01,550 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 23 transitions. Word has length 12 [2024-11-13 14:30:01,552 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:30:01,552 INFO L471 AbstractCegarLoop]: Abstraction has 20 states and 23 transitions. [2024-11-13 14:30:01,552 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 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 14:30:01,552 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 23 transitions. [2024-11-13 14:30:01,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-13 14:30:01,553 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:30:01,553 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:30:01,554 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-13 14:30:01,554 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-13 14:30:01,554 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:30:01,554 INFO L85 PathProgramCache]: Analyzing trace with hash 2121210634, now seen corresponding path program 1 times [2024-11-13 14:30:01,555 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:30:01,555 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1071374049] [2024-11-13 14:30:01,555 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:30:01,555 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:30:01,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:30:01,636 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-13 14:30:01,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:30:01,692 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 14:30:01,694 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:30:01,695 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1071374049] [2024-11-13 14:30:01,695 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1071374049] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:30:01,695 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:30:01,695 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 14:30:01,696 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1301245528] [2024-11-13 14:30:01,696 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:30:01,697 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 14:30:01,698 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:30:01,699 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 14:30:01,699 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 14:30:01,699 INFO L87 Difference]: Start difference. First operand 20 states and 23 transitions. Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 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 14:30:01,707 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:30:01,708 INFO L93 Difference]: Finished difference Result 26 states and 28 transitions. [2024-11-13 14:30:01,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 14:30:01,709 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 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 13 [2024-11-13 14:30:01,709 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:30:01,710 INFO L225 Difference]: With dead ends: 26 [2024-11-13 14:30:01,710 INFO L226 Difference]: Without dead ends: 14 [2024-11-13 14:30:01,710 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 14:30:01,711 INFO L432 NwaCegarLoop]: 13 mSDtfsCounter, 0 mSDsluCounter, 11 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 24 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-13 14:30:01,713 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 24 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 14:30:01,714 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2024-11-13 14:30:01,716 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2024-11-13 14:30:01,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 11 states have (on average 1.0909090909090908) internal successors, (12), 11 states have internal predecessors, (12), 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 14:30:01,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 14 transitions. [2024-11-13 14:30:01,717 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 14 transitions. Word has length 13 [2024-11-13 14:30:01,717 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:30:01,717 INFO L471 AbstractCegarLoop]: Abstraction has 14 states and 14 transitions. [2024-11-13 14:30:01,717 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 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 14:30:01,717 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 14 transitions. [2024-11-13 14:30:01,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-13 14:30:01,718 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:30:01,718 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:30:01,718 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-13 14:30:01,718 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-13 14:30:01,719 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:30:01,719 INFO L85 PathProgramCache]: Analyzing trace with hash 2119426121, now seen corresponding path program 1 times [2024-11-13 14:30:01,719 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:30:01,719 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [757505458] [2024-11-13 14:30:01,719 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:30:01,719 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:30:01,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:30:01,736 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 14:30:01,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:30:01,769 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 14:30:01,769 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-13 14:30:01,770 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-11-13 14:30:01,772 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-11-13 14:30:01,773 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-13 14:30:01,777 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-11-13 14:30:01,795 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-13 14:30:01,798 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.11 02:30:01 BoogieIcfgContainer [2024-11-13 14:30:01,799 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-13 14:30:01,799 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 14:30:01,799 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 14:30:01,800 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 14:30:01,800 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 02:30:00" (3/4) ... [2024-11-13 14:30:01,803 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 14:30:01,804 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 14:30:01,804 INFO L158 Benchmark]: Toolchain (without parser) took 2978.02ms. Allocated memory is still 117.4MB. Free memory was 88.8MB in the beginning and 78.0MB in the end (delta: 10.8MB). Peak memory consumption was 11.4MB. Max. memory is 16.1GB. [2024-11-13 14:30:01,805 INFO L158 Benchmark]: CDTParser took 0.72ms. Allocated memory is still 83.9MB. Free memory is still 39.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 14:30:01,805 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1521.29ms. Allocated memory is still 117.4MB. Free memory was 88.4MB in the beginning and 81.5MB in the end (delta: 6.9MB). Peak memory consumption was 65.9MB. Max. memory is 16.1GB. [2024-11-13 14:30:01,806 INFO L158 Benchmark]: Boogie Procedure Inliner took 53.35ms. Allocated memory is still 117.4MB. Free memory was 81.5MB in the beginning and 79.0MB in the end (delta: 2.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 14:30:01,806 INFO L158 Benchmark]: Boogie Preprocessor took 43.47ms. Allocated memory is still 117.4MB. Free memory was 79.0MB in the beginning and 77.6MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 14:30:01,806 INFO L158 Benchmark]: RCFGBuilder took 434.85ms. Allocated memory is still 117.4MB. Free memory was 77.6MB in the beginning and 65.9MB in the end (delta: 11.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 14:30:01,807 INFO L158 Benchmark]: TraceAbstraction took 908.20ms. Allocated memory is still 117.4MB. Free memory was 65.2MB in the beginning and 78.0MB in the end (delta: -12.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 14:30:01,807 INFO L158 Benchmark]: Witness Printer took 4.38ms. Allocated memory is still 117.4MB. Free memory was 78.0MB in the beginning and 78.0MB in the end (delta: 7.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 14:30:01,809 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.72ms. Allocated memory is still 83.9MB. Free memory is still 39.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1521.29ms. Allocated memory is still 117.4MB. Free memory was 88.4MB in the beginning and 81.5MB in the end (delta: 6.9MB). Peak memory consumption was 65.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 53.35ms. Allocated memory is still 117.4MB. Free memory was 81.5MB in the beginning and 79.0MB in the end (delta: 2.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 43.47ms. Allocated memory is still 117.4MB. Free memory was 79.0MB in the beginning and 77.6MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 434.85ms. Allocated memory is still 117.4MB. Free memory was 77.6MB in the beginning and 65.9MB in the end (delta: 11.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 908.20ms. Allocated memory is still 117.4MB. Free memory was 65.2MB in the beginning and 78.0MB in the end (delta: -12.8MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.38ms. Allocated memory is still 117.4MB. Free memory was 78.0MB in the beginning and 78.0MB in the end (delta: 7.9kB). 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: 1565]: 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 1578. 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] [L1578] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={3:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1578] 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] [L1579] CALL CWE190_Integer_Overflow__int_max_preinc_15_bad() [L1550] int data; [L1551] data = 0 [L1554] case 6: [L1555] 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] [L1563] case 7: 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] [L1565] ++data 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: 1565]: 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, 27 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.8s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 6 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 5 mSDsluCounter, 83 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 38 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 11 IncrementalHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 45 mSDtfsCounter, 11 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 9 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=27occurred in iteration=0, InterpolantAutomatonStates: 6, 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: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 38 NumberOfCodeBlocks, 38 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 23 ConstructedInterpolants, 0 QuantifiedInterpolants, 29 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-13 14:30:01,839 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ba27275-3e02-4c15-b48d-b6f9a841f7b1/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_2ba27275-3e02-4c15-b48d-b6f9a841f7b1/bin/uautomizer-verify-qhAvR1uOyd/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ba27275-3e02-4c15-b48d-b6f9a841f7b1/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_2ba27275-3e02-4c15-b48d-b6f9a841f7b1/bin/uautomizer-verify-qhAvR1uOyd/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ba27275-3e02-4c15-b48d-b6f9a841f7b1/bin/uautomizer-verify-qhAvR1uOyd/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_preinc_15_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ba27275-3e02-4c15-b48d-b6f9a841f7b1/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_2ba27275-3e02-4c15-b48d-b6f9a841f7b1/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 078e05f2e712633d6a1ad29eff662b8f3a2368aa3d50c35a1796f7237f9a0e1a --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 14:30:04,555 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 14:30:04,690 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ba27275-3e02-4c15-b48d-b6f9a841f7b1/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf [2024-11-13 14:30:04,704 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 14:30:04,705 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 14:30:04,705 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2024-11-13 14:30:04,741 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 14:30:04,742 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 14:30:04,743 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 14:30:04,743 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-13 14:30:04,744 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-13 14:30:04,745 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 14:30:04,745 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 14:30:04,745 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 14:30:04,745 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 14:30:04,745 INFO L153 SettingsManager]: * Use SBE=true [2024-11-13 14:30:04,745 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 14:30:04,746 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 14:30:04,746 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 14:30:04,746 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 14:30:04,746 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 14:30:04,746 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 14:30:04,746 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 14:30:04,746 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 14:30:04,747 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 14:30:04,747 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 14:30:04,747 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 14:30:04,747 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 14:30:04,747 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 14:30:04,747 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 14:30:04,747 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 14:30:04,747 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 14:30:04,747 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-13 14:30:04,748 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 14:30:04,748 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 14:30:04,748 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 14:30:04,748 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 14:30:04,748 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 14:30:04,749 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-13 14:30:04,749 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 14:30:04,749 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 14:30:04,749 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-13 14:30:04,749 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-13 14:30:04,749 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-13 14:30:04,749 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_2ba27275-3e02-4c15-b48d-b6f9a841f7b1/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 -> 078e05f2e712633d6a1ad29eff662b8f3a2368aa3d50c35a1796f7237f9a0e1a [2024-11-13 14:30:05,235 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 14:30:05,251 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 14:30:05,255 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 14:30:05,256 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 14:30:05,257 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 14:30:05,260 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ba27275-3e02-4c15-b48d-b6f9a841f7b1/bin/uautomizer-verify-qhAvR1uOyd/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_preinc_15_bad.i Unable to find full path for "g++" [2024-11-13 14:30:07,424 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 14:30:07,950 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 14:30:07,954 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ba27275-3e02-4c15-b48d-b6f9a841f7b1/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_preinc_15_bad.i [2024-11-13 14:30:07,990 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ba27275-3e02-4c15-b48d-b6f9a841f7b1/bin/uautomizer-verify-qhAvR1uOyd/data/ee1c96ff7/175460948e314587baccbf36ec3b45d0/FLAG8c74d7693 [2024-11-13 14:30:08,013 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ba27275-3e02-4c15-b48d-b6f9a841f7b1/bin/uautomizer-verify-qhAvR1uOyd/data/ee1c96ff7/175460948e314587baccbf36ec3b45d0 [2024-11-13 14:30:08,018 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 14:30:08,020 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 14:30:08,023 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 14:30:08,024 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 14:30:08,030 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 14:30:08,031 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 02:30:08" (1/1) ... [2024-11-13 14:30:08,034 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@743cf1fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:30:08, skipping insertion in model container [2024-11-13 14:30:08,034 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 02:30:08" (1/1) ... [2024-11-13 14:30:08,094 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 14:30:09,154 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 14:30:09,169 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 14:30:09,334 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 14:30:09,581 INFO L204 MainTranslator]: Completed translation [2024-11-13 14:30:09,581 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:30:09 WrapperNode [2024-11-13 14:30:09,581 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 14:30:09,583 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 14:30:09,583 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 14:30:09,583 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 14:30:09,590 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:30:09" (1/1) ... [2024-11-13 14:30:09,624 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:30:09" (1/1) ... [2024-11-13 14:30:09,655 INFO L138 Inliner]: procedures = 502, calls = 27, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 69 [2024-11-13 14:30:09,656 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 14:30:09,656 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 14:30:09,656 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 14:30:09,656 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 14:30:09,668 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:30:09" (1/1) ... [2024-11-13 14:30:09,668 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:30:09" (1/1) ... [2024-11-13 14:30:09,676 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:30:09" (1/1) ... [2024-11-13 14:30:09,694 INFO L175 MemorySlicer]: No memory access in input program. [2024-11-13 14:30:09,698 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:30:09" (1/1) ... [2024-11-13 14:30:09,698 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:30:09" (1/1) ... [2024-11-13 14:30:09,713 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:30:09" (1/1) ... [2024-11-13 14:30:09,720 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:30:09" (1/1) ... [2024-11-13 14:30:09,723 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:30:09" (1/1) ... [2024-11-13 14:30:09,728 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:30:09" (1/1) ... [2024-11-13 14:30:09,731 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 14:30:09,735 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 14:30:09,740 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 14:30:09,740 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 14:30:09,741 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:30:09" (1/1) ... [2024-11-13 14:30:09,748 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 14:30:09,769 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ba27275-3e02-4c15-b48d-b6f9a841f7b1/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:30:09,783 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ba27275-3e02-4c15-b48d-b6f9a841f7b1/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-13 14:30:09,786 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ba27275-3e02-4c15-b48d-b6f9a841f7b1/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-13 14:30:09,814 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 14:30:09,815 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 14:30:09,815 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 14:30:09,815 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 14:30:09,815 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 14:30:10,026 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 14:30:10,028 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 14:30:10,238 INFO L? ?]: Removed 24 outVars from TransFormulas that were not future-live. [2024-11-13 14:30:10,238 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 14:30:10,255 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 14:30:10,255 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 14:30:10,256 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 02:30:10 BoogieIcfgContainer [2024-11-13 14:30:10,256 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 14:30:10,259 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-13 14:30:10,260 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-13 14:30:10,265 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-13 14:30:10,266 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 02:30:08" (1/3) ... [2024-11-13 14:30:10,266 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71cbb28a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 02:30:10, skipping insertion in model container [2024-11-13 14:30:10,266 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:30:09" (2/3) ... [2024-11-13 14:30:10,267 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71cbb28a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 02:30:10, skipping insertion in model container [2024-11-13 14:30:10,268 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 02:30:10" (3/3) ... [2024-11-13 14:30:10,270 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_max_preinc_15_bad.i [2024-11-13 14:30:10,288 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-13 14:30:10,290 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG CWE190_Integer_Overflow__int_max_preinc_15_bad.i that has 2 procedures, 27 locations, 1 initial locations, 0 loop locations, and 2 error locations. [2024-11-13 14:30:10,371 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-13 14:30:10,385 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;@1975eba5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 14:30:10,385 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-13 14:30:10,392 INFO L276 IsEmpty]: Start isEmpty. Operand has 27 states, 19 states have (on average 1.368421052631579) internal successors, (26), 23 states have internal predecessors, (26), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-13 14:30:10,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 14:30:10,402 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:30:10,403 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:30:10,404 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-13 14:30:10,408 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:30:10,408 INFO L85 PathProgramCache]: Analyzing trace with hash -1594199403, now seen corresponding path program 1 times [2024-11-13 14:30:10,418 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-13 14:30:10,418 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [339795108] [2024-11-13 14:30:10,419 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:30:10,419 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 14:30:10,419 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ba27275-3e02-4c15-b48d-b6f9a841f7b1/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:30:10,421 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ba27275-3e02-4c15-b48d-b6f9a841f7b1/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 14:30:10,423 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ba27275-3e02-4c15-b48d-b6f9a841f7b1/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-13 14:30:10,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:30:10,596 INFO L255 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-13 14:30:10,601 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 14:30:10,637 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 14:30:10,637 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 14:30:10,638 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-13 14:30:10,641 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [339795108] [2024-11-13 14:30:10,642 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [339795108] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:30:10,642 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:30:10,642 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-13 14:30:10,647 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1473605986] [2024-11-13 14:30:10,648 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:30:10,652 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-13 14:30:10,653 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-13 14:30:10,679 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-13 14:30:10,680 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-13 14:30:10,682 INFO L87 Difference]: Start difference. First operand has 27 states, 19 states have (on average 1.368421052631579) internal successors, (26), 23 states have internal predecessors, (26), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Second operand has 2 states, 1 states have (on average 10.0) 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 14:30:10,702 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:30:10,703 INFO L93 Difference]: Finished difference Result 27 states and 34 transitions. [2024-11-13 14:30:10,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 14:30:10,705 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 10.0) 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 14:30:10,708 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:30:10,715 INFO L225 Difference]: With dead ends: 27 [2024-11-13 14:30:10,715 INFO L226 Difference]: Without dead ends: 16 [2024-11-13 14:30:10,721 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 14:30:10,726 INFO L432 NwaCegarLoop]: 33 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, 33 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 14:30:10,730 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 14:30:10,747 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2024-11-13 14:30:10,767 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2024-11-13 14:30:10,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 12 states have (on average 1.25) internal successors, (15), 13 states have internal predecessors, (15), 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 14:30:10,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 19 transitions. [2024-11-13 14:30:10,778 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 19 transitions. Word has length 12 [2024-11-13 14:30:10,780 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:30:10,781 INFO L471 AbstractCegarLoop]: Abstraction has 16 states and 19 transitions. [2024-11-13 14:30:10,781 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 10.0) 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 14:30:10,781 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 19 transitions. [2024-11-13 14:30:10,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-13 14:30:10,782 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:30:10,782 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:30:10,808 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ba27275-3e02-4c15-b48d-b6f9a841f7b1/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-13 14:30:10,988 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ba27275-3e02-4c15-b48d-b6f9a841f7b1/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 14:30:10,989 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-13 14:30:10,990 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:30:10,990 INFO L85 PathProgramCache]: Analyzing trace with hash 2119426121, now seen corresponding path program 1 times [2024-11-13 14:30:10,993 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-13 14:30:10,993 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [420049809] [2024-11-13 14:30:10,993 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:30:10,994 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 14:30:10,994 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ba27275-3e02-4c15-b48d-b6f9a841f7b1/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:30:10,997 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ba27275-3e02-4c15-b48d-b6f9a841f7b1/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 14:30:10,999 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ba27275-3e02-4c15-b48d-b6f9a841f7b1/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-13 14:30:11,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:30:11,123 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 14:30:11,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:30:11,190 INFO L130 FreeRefinementEngine]: Strategy FOX found a feasible trace [2024-11-13 14:30:11,190 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-13 14:30:11,192 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-11-13 14:30:11,194 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-11-13 14:30:11,213 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ba27275-3e02-4c15-b48d-b6f9a841f7b1/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-13 14:30:11,396 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ba27275-3e02-4c15-b48d-b6f9a841f7b1/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 14:30:11,399 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1] [2024-11-13 14:30:11,426 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-13 14:30:11,431 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.11 02:30:11 BoogieIcfgContainer [2024-11-13 14:30:11,431 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-13 14:30:11,432 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 14:30:11,432 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 14:30:11,432 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 14:30:11,433 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 02:30:10" (3/4) ... [2024-11-13 14:30:11,439 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 14:30:11,440 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 14:30:11,441 INFO L158 Benchmark]: Toolchain (without parser) took 3421.40ms. Allocated memory is still 83.9MB. Free memory was 57.2MB in the beginning and 31.8MB in the end (delta: 25.4MB). Peak memory consumption was 28.5MB. Max. memory is 16.1GB. [2024-11-13 14:30:11,442 INFO L158 Benchmark]: CDTParser took 0.51ms. Allocated memory is still 83.9MB. Free memory is still 64.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 14:30:11,443 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1558.99ms. Allocated memory is still 83.9MB. Free memory was 57.2MB in the beginning and 50.7MB in the end (delta: 6.4MB). Peak memory consumption was 58.8MB. Max. memory is 16.1GB. [2024-11-13 14:30:11,443 INFO L158 Benchmark]: Boogie Procedure Inliner took 73.11ms. Allocated memory is still 83.9MB. Free memory was 50.7MB in the beginning and 48.2MB in the end (delta: 2.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 14:30:11,443 INFO L158 Benchmark]: Boogie Preprocessor took 78.45ms. Allocated memory is still 83.9MB. Free memory was 47.8MB in the beginning and 45.9MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 14:30:11,444 INFO L158 Benchmark]: RCFGBuilder took 520.64ms. Allocated memory is still 83.9MB. Free memory was 45.9MB in the beginning and 33.3MB in the end (delta: 12.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 14:30:11,444 INFO L158 Benchmark]: TraceAbstraction took 1171.61ms. Allocated memory is still 83.9MB. Free memory was 32.6MB in the beginning and 32.2MB in the end (delta: 351.3kB). Peak memory consumption was 1.9MB. Max. memory is 16.1GB. [2024-11-13 14:30:11,445 INFO L158 Benchmark]: Witness Printer took 8.64ms. Allocated memory is still 83.9MB. Free memory was 32.2MB in the beginning and 31.8MB in the end (delta: 435.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 14:30:11,446 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.51ms. Allocated memory is still 83.9MB. Free memory is still 64.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1558.99ms. Allocated memory is still 83.9MB. Free memory was 57.2MB in the beginning and 50.7MB in the end (delta: 6.4MB). Peak memory consumption was 58.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 73.11ms. Allocated memory is still 83.9MB. Free memory was 50.7MB in the beginning and 48.2MB in the end (delta: 2.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 78.45ms. Allocated memory is still 83.9MB. Free memory was 47.8MB in the beginning and 45.9MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 520.64ms. Allocated memory is still 83.9MB. Free memory was 45.9MB in the beginning and 33.3MB in the end (delta: 12.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1171.61ms. Allocated memory is still 83.9MB. Free memory was 32.6MB in the beginning and 32.2MB in the end (delta: 351.3kB). Peak memory consumption was 1.9MB. Max. memory is 16.1GB. * Witness Printer took 8.64ms. Allocated memory is still 83.9MB. Free memory was 32.2MB in the beginning and 31.8MB in the end (delta: 435.5kB). 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: 1565]: 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 1578. 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] [L1578] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={3:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1578] 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] [L1579] CALL CWE190_Integer_Overflow__int_max_preinc_15_bad() [L1550] int data; [L1551] data = 0 [L1554] case 6: [L1555] 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] [L1563] case 7: 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] [L1565] ++data 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: 1565]: 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, 27 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1.0s, 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, 33 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, 33 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=27occurred 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, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 25 NumberOfCodeBlocks, 25 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 11 ConstructedInterpolants, 0 QuantifiedInterpolants, 11 SizeOfPredicates, 0 NumberOfNonLiveVariables, 44 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 14:30:11,477 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ba27275-3e02-4c15-b48d-b6f9a841f7b1/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