./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/termination-restricted-15/GCD-1.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version e2fb8bed Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/termination-restricted-15/GCD-1.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 5f52b905489768d11946f99b46b2e235c97efbb56a51bc32b8b274637f7dd5d8 --- Real Ultimate output --- This is Ultimate 0.3.0-?-e2fb8be-m [2025-03-09 01:47:11,944 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-09 01:47:11,989 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf [2025-03-09 01:47:11,994 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-09 01:47:11,996 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-09 01:47:12,018 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-09 01:47:12,019 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-09 01:47:12,019 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-09 01:47:12,019 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-09 01:47:12,019 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-09 01:47:12,019 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-09 01:47:12,019 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-09 01:47:12,019 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-09 01:47:12,020 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-09 01:47:12,020 INFO L153 SettingsManager]: * Use SBE=true [2025-03-09 01:47:12,020 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-09 01:47:12,020 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-09 01:47:12,020 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-09 01:47:12,020 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-09 01:47:12,020 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-09 01:47:12,020 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-09 01:47:12,020 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-09 01:47:12,021 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2025-03-09 01:47:12,021 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-03-09 01:47:12,021 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-09 01:47:12,021 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-09 01:47:12,021 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-09 01:47:12,021 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-09 01:47:12,021 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-09 01:47:12,021 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-09 01:47:12,021 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-09 01:47:12,021 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-09 01:47:12,021 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-09 01:47:12,022 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-09 01:47:12,022 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-09 01:47:12,022 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-09 01:47:12,022 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-09 01:47:12,022 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-09 01:47:12,022 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-09 01:47:12,022 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-09 01:47:12,022 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-09 01:47:12,022 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-09 01:47:12,022 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 -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux 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 -> 5f52b905489768d11946f99b46b2e235c97efbb56a51bc32b8b274637f7dd5d8 [2025-03-09 01:47:12,243 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-09 01:47:12,251 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-09 01:47:12,253 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-09 01:47:12,254 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-09 01:47:12,254 INFO L274 PluginConnector]: CDTParser initialized [2025-03-09 01:47:12,255 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-restricted-15/GCD-1.c [2025-03-09 01:47:13,419 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f75dec672/c79b99fcd1f042429d2ce7ce37808849/FLAGf303c030f [2025-03-09 01:47:13,670 INFO L384 CDTParser]: Found 1 translation units. [2025-03-09 01:47:13,671 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-restricted-15/GCD-1.c [2025-03-09 01:47:13,684 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f75dec672/c79b99fcd1f042429d2ce7ce37808849/FLAGf303c030f [2025-03-09 01:47:13,706 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f75dec672/c79b99fcd1f042429d2ce7ce37808849 [2025-03-09 01:47:13,709 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-09 01:47:13,710 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-09 01:47:13,711 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-09 01:47:13,711 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-09 01:47:13,714 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-09 01:47:13,714 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.03 01:47:13" (1/1) ... [2025-03-09 01:47:13,715 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e9bdd8f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 01:47:13, skipping insertion in model container [2025-03-09 01:47:13,715 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.03 01:47:13" (1/1) ... [2025-03-09 01:47:13,724 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-09 01:47:13,812 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-09 01:47:13,817 INFO L200 MainTranslator]: Completed pre-run [2025-03-09 01:47:13,824 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-09 01:47:13,834 INFO L204 MainTranslator]: Completed translation [2025-03-09 01:47:13,834 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 01:47:13 WrapperNode [2025-03-09 01:47:13,835 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-09 01:47:13,836 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-09 01:47:13,836 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-09 01:47:13,836 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-09 01:47:13,840 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 01:47:13" (1/1) ... [2025-03-09 01:47:13,843 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 01:47:13" (1/1) ... [2025-03-09 01:47:13,855 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 29 [2025-03-09 01:47:13,855 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-09 01:47:13,856 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-09 01:47:13,856 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-09 01:47:13,857 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-09 01:47:13,862 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 01:47:13" (1/1) ... [2025-03-09 01:47:13,862 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 01:47:13" (1/1) ... [2025-03-09 01:47:13,862 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 01:47:13" (1/1) ... [2025-03-09 01:47:13,866 INFO L175 MemorySlicer]: No memory access in input program. [2025-03-09 01:47:13,867 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 01:47:13" (1/1) ... [2025-03-09 01:47:13,867 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 01:47:13" (1/1) ... [2025-03-09 01:47:13,868 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 01:47:13" (1/1) ... [2025-03-09 01:47:13,869 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 01:47:13" (1/1) ... [2025-03-09 01:47:13,869 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 01:47:13" (1/1) ... [2025-03-09 01:47:13,869 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 01:47:13" (1/1) ... [2025-03-09 01:47:13,870 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-09 01:47:13,870 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-09 01:47:13,870 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-09 01:47:13,870 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-09 01:47:13,874 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 01:47:13" (1/1) ... [2025-03-09 01:47:13,877 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-09 01:47:13,888 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 01:47:13,901 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-03-09 01:47:13,908 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-03-09 01:47:13,925 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-09 01:47:13,925 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-09 01:47:13,969 INFO L256 CfgBuilder]: Building ICFG [2025-03-09 01:47:13,970 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-09 01:47:14,043 INFO L? ?]: Removed 15 outVars from TransFormulas that were not future-live. [2025-03-09 01:47:14,044 INFO L307 CfgBuilder]: Performing block encoding [2025-03-09 01:47:14,051 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-09 01:47:14,052 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-09 01:47:14,052 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 09.03 01:47:14 BoogieIcfgContainer [2025-03-09 01:47:14,052 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-09 01:47:14,054 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-09 01:47:14,054 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-09 01:47:14,057 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-09 01:47:14,058 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.03 01:47:13" (1/3) ... [2025-03-09 01:47:14,058 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1027292f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.03 01:47:14, skipping insertion in model container [2025-03-09 01:47:14,058 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 01:47:13" (2/3) ... [2025-03-09 01:47:14,058 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1027292f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.03 01:47:14, skipping insertion in model container [2025-03-09 01:47:14,059 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 09.03 01:47:14" (3/3) ... [2025-03-09 01:47:14,060 INFO L128 eAbstractionObserver]: Analyzing ICFG GCD-1.c [2025-03-09 01:47:14,070 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-09 01:47:14,072 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG GCD-1.c that has 1 procedures, 14 locations, 1 initial locations, 2 loop locations, and 2 error locations. [2025-03-09 01:47:14,114 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-09 01:47:14,124 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;@de495c3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-09 01:47:14,124 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2025-03-09 01:47:14,128 INFO L276 IsEmpty]: Start isEmpty. Operand has 14 states, 11 states have (on average 1.5454545454545454) internal successors, (17), 13 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-09 01:47:14,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2025-03-09 01:47:14,132 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 01:47:14,133 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2025-03-09 01:47:14,133 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2025-03-09 01:47:14,137 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 01:47:14,138 INFO L85 PathProgramCache]: Analyzing trace with hash -794234260, now seen corresponding path program 1 times [2025-03-09 01:47:14,144 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 01:47:14,145 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [888669124] [2025-03-09 01:47:14,145 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 01:47:14,145 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 01:47:14,200 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-03-09 01:47:14,211 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-03-09 01:47:14,212 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 01:47:14,212 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 01:47:14,283 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 01:47:14,285 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 01:47:14,285 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [888669124] [2025-03-09 01:47:14,286 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [888669124] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 01:47:14,286 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 01:47:14,287 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-09 01:47:14,288 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [194623437] [2025-03-09 01:47:14,288 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 01:47:14,290 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-09 01:47:14,291 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 01:47:14,304 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-09 01:47:14,305 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-09 01:47:14,307 INFO L87 Difference]: Start difference. First operand has 14 states, 11 states have (on average 1.5454545454545454) internal successors, (17), 13 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-09 01:47:14,349 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 01:47:14,350 INFO L93 Difference]: Finished difference Result 14 states and 17 transitions. [2025-03-09 01:47:14,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-09 01:47:14,352 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2025-03-09 01:47:14,352 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 01:47:14,356 INFO L225 Difference]: With dead ends: 14 [2025-03-09 01:47:14,356 INFO L226 Difference]: Without dead ends: 10 [2025-03-09 01:47:14,358 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-09 01:47:14,362 INFO L435 NwaCegarLoop]: 13 mSDtfsCounter, 1 mSDsluCounter, 2 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 15 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-09 01:47:14,363 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 15 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-09 01:47:14,371 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states. [2025-03-09 01:47:14,378 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 10. [2025-03-09 01:47:14,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 9 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-09 01:47:14,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 13 transitions. [2025-03-09 01:47:14,383 INFO L78 Accepts]: Start accepts. Automaton has 10 states and 13 transitions. Word has length 7 [2025-03-09 01:47:14,383 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 01:47:14,383 INFO L471 AbstractCegarLoop]: Abstraction has 10 states and 13 transitions. [2025-03-09 01:47:14,384 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-09 01:47:14,384 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 13 transitions. [2025-03-09 01:47:14,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2025-03-09 01:47:14,384 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 01:47:14,385 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 01:47:14,385 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-03-09 01:47:14,385 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2025-03-09 01:47:14,385 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 01:47:14,386 INFO L85 PathProgramCache]: Analyzing trace with hash 1148541692, now seen corresponding path program 1 times [2025-03-09 01:47:14,386 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 01:47:14,386 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [63298938] [2025-03-09 01:47:14,386 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 01:47:14,386 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 01:47:14,392 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 8 statements into 1 equivalence classes. [2025-03-09 01:47:14,399 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-03-09 01:47:14,400 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 01:47:14,400 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 01:47:14,478 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 01:47:14,478 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 01:47:14,479 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [63298938] [2025-03-09 01:47:14,479 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [63298938] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 01:47:14,479 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 01:47:14,479 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-09 01:47:14,479 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [589487641] [2025-03-09 01:47:14,479 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 01:47:14,480 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-09 01:47:14,480 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 01:47:14,480 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-09 01:47:14,480 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-03-09 01:47:14,480 INFO L87 Difference]: Start difference. First operand 10 states and 13 transitions. Second operand has 5 states, 4 states have (on average 2.0) internal successors, (8), 5 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-09 01:47:14,566 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 01:47:14,566 INFO L93 Difference]: Finished difference Result 21 states and 29 transitions. [2025-03-09 01:47:14,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-03-09 01:47:14,567 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 2.0) internal successors, (8), 5 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2025-03-09 01:47:14,567 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 01:47:14,568 INFO L225 Difference]: With dead ends: 21 [2025-03-09 01:47:14,568 INFO L226 Difference]: Without dead ends: 20 [2025-03-09 01:47:14,568 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2025-03-09 01:47:14,569 INFO L435 NwaCegarLoop]: 3 mSDtfsCounter, 12 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 11 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-09 01:47:14,569 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 11 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-09 01:47:14,570 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states. [2025-03-09 01:47:14,571 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 16. [2025-03-09 01:47:14,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 15 states have (on average 1.4666666666666666) internal successors, (22), 15 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-09 01:47:14,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 22 transitions. [2025-03-09 01:47:14,572 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 22 transitions. Word has length 8 [2025-03-09 01:47:14,572 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 01:47:14,572 INFO L471 AbstractCegarLoop]: Abstraction has 16 states and 22 transitions. [2025-03-09 01:47:14,572 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 2.0) internal successors, (8), 5 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-09 01:47:14,572 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 22 transitions. [2025-03-09 01:47:14,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2025-03-09 01:47:14,573 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 01:47:14,573 INFO L218 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 01:47:14,573 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-03-09 01:47:14,573 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2025-03-09 01:47:14,573 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 01:47:14,573 INFO L85 PathProgramCache]: Analyzing trace with hash 417369801, now seen corresponding path program 1 times [2025-03-09 01:47:14,574 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 01:47:14,574 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1049859540] [2025-03-09 01:47:14,574 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 01:47:14,574 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 01:47:14,578 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 11 statements into 1 equivalence classes. [2025-03-09 01:47:14,587 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 11 of 11 statements. [2025-03-09 01:47:14,588 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 01:47:14,588 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 01:47:14,676 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 01:47:14,677 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 01:47:14,677 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1049859540] [2025-03-09 01:47:14,677 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1049859540] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 01:47:14,677 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [21369193] [2025-03-09 01:47:14,677 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 01:47:14,677 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 01:47:14,677 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 01:47:14,679 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-09 01:47:14,681 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-03-09 01:47:14,708 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 11 statements into 1 equivalence classes. [2025-03-09 01:47:14,712 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 11 of 11 statements. [2025-03-09 01:47:14,712 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 01:47:14,712 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 01:47:14,714 INFO L256 TraceCheckSpWp]: Trace formula consists of 30 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-03-09 01:47:14,720 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 01:47:14,798 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 01:47:14,798 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-09 01:47:14,908 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 01:47:14,911 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [21369193] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-09 01:47:14,911 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-09 01:47:14,911 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 12 [2025-03-09 01:47:14,911 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1972192066] [2025-03-09 01:47:14,911 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-09 01:47:14,912 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-03-09 01:47:14,912 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 01:47:14,912 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-03-09 01:47:14,912 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2025-03-09 01:47:14,913 INFO L87 Difference]: Start difference. First operand 16 states and 22 transitions. Second operand has 13 states, 12 states have (on average 2.1666666666666665) internal successors, (26), 13 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-09 01:47:15,016 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 01:47:15,017 INFO L93 Difference]: Finished difference Result 16 states and 22 transitions. [2025-03-09 01:47:15,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-03-09 01:47:15,018 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 2.1666666666666665) internal successors, (26), 13 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2025-03-09 01:47:15,019 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 01:47:15,019 INFO L225 Difference]: With dead ends: 16 [2025-03-09 01:47:15,019 INFO L226 Difference]: Without dead ends: 0 [2025-03-09 01:47:15,019 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=85, Invalid=221, Unknown=0, NotChecked=0, Total=306 [2025-03-09 01:47:15,020 INFO L435 NwaCegarLoop]: 2 mSDtfsCounter, 18 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 12 SdHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 50 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-09 01:47:15,022 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 12 Invalid, 55 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-09 01:47:15,022 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2025-03-09 01:47:15,023 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2025-03-09 01:47:15,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-09 01:47:15,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2025-03-09 01:47:15,024 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 11 [2025-03-09 01:47:15,024 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 01:47:15,024 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-03-09 01:47:15,025 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 2.1666666666666665) internal successors, (26), 13 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-09 01:47:15,025 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2025-03-09 01:47:15,025 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2025-03-09 01:47:15,027 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2025-03-09 01:47:15,027 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2025-03-09 01:47:15,034 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2025-03-09 01:47:15,230 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 01:47:15,232 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2025-03-09 01:47:15,233 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2025-03-09 01:47:15,278 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-03-09 01:47:15,293 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.03 01:47:15 BoogieIcfgContainer [2025-03-09 01:47:15,293 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-03-09 01:47:15,293 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-03-09 01:47:15,293 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-03-09 01:47:15,294 INFO L274 PluginConnector]: Witness Printer initialized [2025-03-09 01:47:15,295 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 09.03 01:47:14" (3/4) ... [2025-03-09 01:47:15,296 INFO L146 WitnessPrinter]: Generating witness for correct program [2025-03-09 01:47:15,301 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2025-03-09 01:47:15,301 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2025-03-09 01:47:15,301 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2025-03-09 01:47:15,363 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-03-09 01:47:15,364 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2025-03-09 01:47:15,364 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-03-09 01:47:15,365 INFO L158 Benchmark]: Toolchain (without parser) took 1654.45ms. Allocated memory is still 167.8MB. Free memory was 124.5MB in the beginning and 45.9MB in the end (delta: 78.6MB). Peak memory consumption was 75.5MB. Max. memory is 16.1GB. [2025-03-09 01:47:15,365 INFO L158 Benchmark]: CDTParser took 0.87ms. Allocated memory is still 201.3MB. Free memory is still 117.1MB. There was no memory consumed. Max. memory is 16.1GB. [2025-03-09 01:47:15,365 INFO L158 Benchmark]: CACSL2BoogieTranslator took 124.21ms. Allocated memory is still 167.8MB. Free memory was 124.5MB in the beginning and 114.7MB in the end (delta: 9.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-09 01:47:15,365 INFO L158 Benchmark]: Boogie Procedure Inliner took 20.35ms. Allocated memory is still 167.8MB. Free memory was 114.7MB in the beginning and 113.8MB in the end (delta: 928.3kB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-09 01:47:15,365 INFO L158 Benchmark]: Boogie Preprocessor took 13.38ms. Allocated memory is still 167.8MB. Free memory was 113.8MB in the beginning and 112.9MB in the end (delta: 932.8kB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-09 01:47:15,366 INFO L158 Benchmark]: IcfgBuilder took 182.01ms. Allocated memory is still 167.8MB. Free memory was 112.9MB in the beginning and 102.6MB in the end (delta: 10.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-09 01:47:15,366 INFO L158 Benchmark]: TraceAbstraction took 1239.06ms. Allocated memory is still 167.8MB. Free memory was 101.7MB in the beginning and 51.4MB in the end (delta: 50.3MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. [2025-03-09 01:47:15,366 INFO L158 Benchmark]: Witness Printer took 70.36ms. Allocated memory is still 167.8MB. Free memory was 51.4MB in the beginning and 45.9MB in the end (delta: 5.5MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-09 01:47:15,367 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.87ms. Allocated memory is still 201.3MB. Free memory is still 117.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 124.21ms. Allocated memory is still 167.8MB. Free memory was 124.5MB in the beginning and 114.7MB in the end (delta: 9.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 20.35ms. Allocated memory is still 167.8MB. Free memory was 114.7MB in the beginning and 113.8MB in the end (delta: 928.3kB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 13.38ms. Allocated memory is still 167.8MB. Free memory was 113.8MB in the beginning and 112.9MB in the end (delta: 932.8kB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 182.01ms. Allocated memory is still 167.8MB. Free memory was 112.9MB in the beginning and 102.6MB in the end (delta: 10.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 1239.06ms. Allocated memory is still 167.8MB. Free memory was 101.7MB in the beginning and 51.4MB in the end (delta: 50.3MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. * Witness Printer took 70.36ms. Allocated memory is still 167.8MB. Free memory was 51.4MB in the beginning and 45.9MB in the end (delta: 5.5MB). 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 - PositiveResult [Line: 24]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 24]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 14 locations, 17 edges, 2 error locations. Started 1 CEGAR loops. OverallTime: 1.1s, OverallIterations: 3, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 31 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 31 mSDsluCounter, 38 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 20 mSDsCounter, 7 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 110 IncrementalHoareTripleChecker+Invalid, 117 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 7 mSolverCounterUnsat, 18 mSDtfsCounter, 110 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 40 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=16occurred in iteration=2, InterpolantAutomatonStates: 17, 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, 3 MinimizatonAttempts, 4 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 37 NumberOfCodeBlocks, 37 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 43 ConstructedInterpolants, 0 QuantifiedInterpolants, 153 SizeOfPredicates, 3 NumberOfNonLiveVariables, 30 ConjunctsInSsa, 6 ConjunctsInUnsatCore, 5 InterpolantComputations, 2 PerfectInterpolantSequences, 0/6 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold - InvariantResult [Line: 13]: Location Invariant Derived location invariant: ((x <= 2147483647) && (y <= 2147483647)) - InvariantResult [Line: 23]: Location Invariant Derived location invariant: ((((1 <= y) && (xtmp <= 2147483647)) && (tmp <= 2147483647)) && (y <= 2147483647)) RESULT: Ultimate proved your program to be correct! [2025-03-09 01:47:15,383 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE