./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/termination-nla/hard-both-t.c --full-output --architecture 32bit -------------------------------------------------------------------------------- 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-nla/hard-both-t.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-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 32bit --witnessprinter.graph.data.programhash c7cfcefaaac3e5ad4485a41db0ef9afcc8017185918390376965bc3ffc33f2ce --- Real Ultimate output --- This is Ultimate 0.3.0-?-e2fb8be-m [2025-03-09 01:50:28,014 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-09 01:50:28,077 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2025-03-09 01:50:28,082 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-09 01:50:28,082 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-09 01:50:28,102 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-09 01:50:28,103 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-09 01:50:28,103 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-09 01:50:28,104 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-09 01:50:28,104 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-09 01:50:28,105 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-09 01:50:28,105 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-09 01:50:28,105 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-09 01:50:28,105 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-09 01:50:28,106 INFO L153 SettingsManager]: * Use SBE=true [2025-03-09 01:50:28,106 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-09 01:50:28,106 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-09 01:50:28,106 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-09 01:50:28,106 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-09 01:50:28,106 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-09 01:50:28,106 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-09 01:50:28,106 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-09 01:50:28,106 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-09 01:50:28,107 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-09 01:50:28,107 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2025-03-09 01:50:28,107 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-03-09 01:50:28,107 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-09 01:50:28,107 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-09 01:50:28,107 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-09 01:50:28,107 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-09 01:50:28,107 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-09 01:50:28,107 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-09 01:50:28,108 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-09 01:50:28,108 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-09 01:50:28,108 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-09 01:50:28,108 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-09 01:50:28,108 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-09 01:50:28,108 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-09 01:50:28,108 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-09 01:50:28,108 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-09 01:50:28,108 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-09 01:50:28,108 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-09 01:50:28,108 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-09 01:50:28,109 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-09 01:50:28,109 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-09 01:50:28,109 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 -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c7cfcefaaac3e5ad4485a41db0ef9afcc8017185918390376965bc3ffc33f2ce [2025-03-09 01:50:28,339 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-09 01:50:28,347 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-09 01:50:28,349 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-09 01:50:28,350 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-09 01:50:28,350 INFO L274 PluginConnector]: CDTParser initialized [2025-03-09 01:50:28,353 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-nla/hard-both-t.c [2025-03-09 01:50:29,526 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/12c58e2fb/105b5cbc90584174b011b7870368b5d7/FLAG9fe3dceb9 [2025-03-09 01:50:29,758 INFO L384 CDTParser]: Found 1 translation units. [2025-03-09 01:50:29,758 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-nla/hard-both-t.c [2025-03-09 01:50:29,764 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/12c58e2fb/105b5cbc90584174b011b7870368b5d7/FLAG9fe3dceb9 [2025-03-09 01:50:30,108 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/12c58e2fb/105b5cbc90584174b011b7870368b5d7 [2025-03-09 01:50:30,110 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-09 01:50:30,111 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-09 01:50:30,112 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-09 01:50:30,112 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-09 01:50:30,115 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-09 01:50:30,115 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.03 01:50:30" (1/1) ... [2025-03-09 01:50:30,116 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4c2a9350 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 01:50:30, skipping insertion in model container [2025-03-09 01:50:30,116 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.03 01:50:30" (1/1) ... [2025-03-09 01:50:30,132 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-09 01:50:30,233 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-09 01:50:30,238 INFO L200 MainTranslator]: Completed pre-run [2025-03-09 01:50:30,247 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-09 01:50:30,258 INFO L204 MainTranslator]: Completed translation [2025-03-09 01:50:30,259 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 01:50:30 WrapperNode [2025-03-09 01:50:30,259 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-09 01:50:30,259 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-09 01:50:30,260 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-09 01:50:30,260 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-09 01:50:30,264 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 01:50:30" (1/1) ... [2025-03-09 01:50:30,267 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 01:50:30" (1/1) ... [2025-03-09 01:50:30,280 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 60 [2025-03-09 01:50:30,281 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-09 01:50:30,281 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-09 01:50:30,282 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-09 01:50:30,282 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-09 01:50:30,288 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 01:50:30" (1/1) ... [2025-03-09 01:50:30,288 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 01:50:30" (1/1) ... [2025-03-09 01:50:30,289 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 01:50:30" (1/1) ... [2025-03-09 01:50:30,297 INFO L175 MemorySlicer]: No memory access in input program. [2025-03-09 01:50:30,300 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 01:50:30" (1/1) ... [2025-03-09 01:50:30,301 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 01:50:30" (1/1) ... [2025-03-09 01:50:30,302 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 01:50:30" (1/1) ... [2025-03-09 01:50:30,303 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 01:50:30" (1/1) ... [2025-03-09 01:50:30,303 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 01:50:30" (1/1) ... [2025-03-09 01:50:30,304 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 01:50:30" (1/1) ... [2025-03-09 01:50:30,305 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-09 01:50:30,305 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-09 01:50:30,305 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-09 01:50:30,305 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-09 01:50:30,306 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 01:50:30" (1/1) ... [2025-03-09 01:50:30,310 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-09 01:50:30,319 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 01:50:30,333 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 01:50:30,336 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 01:50:30,357 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-09 01:50:30,357 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-09 01:50:30,392 INFO L256 CfgBuilder]: Building ICFG [2025-03-09 01:50:30,393 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-09 01:50:30,564 INFO L? ?]: Removed 56 outVars from TransFormulas that were not future-live. [2025-03-09 01:50:30,564 INFO L307 CfgBuilder]: Performing block encoding [2025-03-09 01:50:30,573 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-09 01:50:30,573 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-09 01:50:30,574 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 09.03 01:50:30 BoogieIcfgContainer [2025-03-09 01:50:30,574 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-09 01:50:30,576 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-09 01:50:30,576 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-09 01:50:30,580 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-09 01:50:30,581 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.03 01:50:30" (1/3) ... [2025-03-09 01:50:30,581 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e304f92 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.03 01:50:30, skipping insertion in model container [2025-03-09 01:50:30,581 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 01:50:30" (2/3) ... [2025-03-09 01:50:30,581 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e304f92 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.03 01:50:30, skipping insertion in model container [2025-03-09 01:50:30,581 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 09.03 01:50:30" (3/3) ... [2025-03-09 01:50:30,583 INFO L128 eAbstractionObserver]: Analyzing ICFG hard-both-t.c [2025-03-09 01:50:30,593 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-09 01:50:30,594 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hard-both-t.c that has 1 procedures, 54 locations, 1 initial locations, 2 loop locations, and 22 error locations. [2025-03-09 01:50:30,637 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-09 01:50:30,648 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;@6d83a84f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-09 01:50:30,649 INFO L334 AbstractCegarLoop]: Starting to check reachability of 22 error locations. [2025-03-09 01:50:30,653 INFO L276 IsEmpty]: Start isEmpty. Operand has 54 states, 31 states have (on average 1.903225806451613) internal successors, (59), 53 states have internal predecessors, (59), 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 01:50:30,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2025-03-09 01:50:30,657 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 01:50:30,657 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2025-03-09 01:50:30,659 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2025-03-09 01:50:30,663 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 01:50:30,663 INFO L85 PathProgramCache]: Analyzing trace with hash 2800314, now seen corresponding path program 1 times [2025-03-09 01:50:30,669 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 01:50:30,671 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1533956639] [2025-03-09 01:50:30,671 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 01:50:30,673 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 01:50:30,722 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-03-09 01:50:30,733 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-03-09 01:50:30,734 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 01:50:30,734 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-09 01:50:30,736 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [936022640] [2025-03-09 01:50:30,736 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 01:50:30,736 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 01:50:30,736 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 01:50:30,738 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 01:50:30,739 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 01:50:30,760 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-03-09 01:50:30,764 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-03-09 01:50:30,764 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 01:50:30,764 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 01:50:30,765 INFO L256 TraceCheckSpWp]: Trace formula consists of 17 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-03-09 01:50:30,769 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 01:50:30,808 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 01:50:30,809 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-09 01:50:30,809 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 01:50:30,809 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1533956639] [2025-03-09 01:50:30,810 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-09 01:50:30,810 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [936022640] [2025-03-09 01:50:30,810 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [936022640] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 01:50:30,810 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 01:50:30,810 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-09 01:50:30,812 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [125850804] [2025-03-09 01:50:30,812 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 01:50:30,814 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-09 01:50:30,814 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 01:50:30,825 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-09 01:50:30,825 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-09 01:50:30,827 INFO L87 Difference]: Start difference. First operand has 54 states, 31 states have (on average 1.903225806451613) internal successors, (59), 53 states have internal predecessors, (59), 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 2.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-09 01:50:30,917 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 01:50:30,917 INFO L93 Difference]: Finished difference Result 119 states and 141 transitions. [2025-03-09 01:50:30,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-09 01:50:30,919 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2025-03-09 01:50:30,919 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 01:50:30,923 INFO L225 Difference]: With dead ends: 119 [2025-03-09 01:50:30,923 INFO L226 Difference]: Without dead ends: 74 [2025-03-09 01:50:30,925 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 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 01:50:30,926 INFO L435 NwaCegarLoop]: 30 mSDtfsCounter, 23 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 66 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 47 SdHoareTripleChecker+Invalid, 70 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 66 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-09 01:50:30,927 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 47 Invalid, 70 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 66 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-09 01:50:30,935 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2025-03-09 01:50:30,943 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 70. [2025-03-09 01:50:30,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 70 states, 48 states have (on average 1.7916666666666667) internal successors, (86), 69 states have internal predecessors, (86), 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 01:50:30,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 86 transitions. [2025-03-09 01:50:30,949 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 86 transitions. Word has length 4 [2025-03-09 01:50:30,949 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 01:50:30,949 INFO L471 AbstractCegarLoop]: Abstraction has 70 states and 86 transitions. [2025-03-09 01:50:30,949 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-09 01:50:30,949 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 86 transitions. [2025-03-09 01:50:30,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2025-03-09 01:50:30,949 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 01:50:30,949 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2025-03-09 01:50:30,955 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 01:50:31,154 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2025-03-09 01:50:31,154 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2025-03-09 01:50:31,155 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 01:50:31,155 INFO L85 PathProgramCache]: Analyzing trace with hash 86809754, now seen corresponding path program 1 times [2025-03-09 01:50:31,155 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 01:50:31,155 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1196829834] [2025-03-09 01:50:31,155 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 01:50:31,155 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 01:50:31,158 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 5 statements into 1 equivalence classes. [2025-03-09 01:50:31,160 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 5 of 5 statements. [2025-03-09 01:50:31,160 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 01:50:31,160 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-09 01:50:31,160 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [659388949] [2025-03-09 01:50:31,160 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 01:50:31,160 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 01:50:31,161 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 01:50:31,162 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-09 01:50:31,164 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-03-09 01:50:31,179 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 5 statements into 1 equivalence classes. [2025-03-09 01:50:31,181 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 5 of 5 statements. [2025-03-09 01:50:31,182 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 01:50:31,182 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 01:50:31,182 INFO L256 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-03-09 01:50:31,182 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 01:50:31,205 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 01:50:31,205 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-09 01:50:31,205 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 01:50:31,205 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1196829834] [2025-03-09 01:50:31,205 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-09 01:50:31,205 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [659388949] [2025-03-09 01:50:31,205 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [659388949] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 01:50:31,205 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 01:50:31,205 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-09 01:50:31,205 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [849245647] [2025-03-09 01:50:31,205 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 01:50:31,206 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-09 01:50:31,206 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 01:50:31,206 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-09 01:50:31,206 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-03-09 01:50:31,206 INFO L87 Difference]: Start difference. First operand 70 states and 86 transitions. Second operand has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-09 01:50:31,284 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 01:50:31,284 INFO L93 Difference]: Finished difference Result 75 states and 86 transitions. [2025-03-09 01:50:31,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-09 01:50:31,285 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2025-03-09 01:50:31,285 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 01:50:31,285 INFO L225 Difference]: With dead ends: 75 [2025-03-09 01:50:31,285 INFO L226 Difference]: Without dead ends: 74 [2025-03-09 01:50:31,285 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-03-09 01:50:31,286 INFO L435 NwaCegarLoop]: 24 mSDtfsCounter, 63 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 74 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 40 SdHoareTripleChecker+Invalid, 74 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 74 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-09 01:50:31,286 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [63 Valid, 40 Invalid, 74 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 74 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-09 01:50:31,287 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2025-03-09 01:50:31,290 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 70. [2025-03-09 01:50:31,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 70 states, 48 states have (on average 1.7708333333333333) internal successors, (85), 69 states have internal predecessors, (85), 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 01:50:31,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 85 transitions. [2025-03-09 01:50:31,290 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 85 transitions. Word has length 5 [2025-03-09 01:50:31,291 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 01:50:31,291 INFO L471 AbstractCegarLoop]: Abstraction has 70 states and 85 transitions. [2025-03-09 01:50:31,291 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-09 01:50:31,291 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 85 transitions. [2025-03-09 01:50:31,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2025-03-09 01:50:31,291 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 01:50:31,291 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2025-03-09 01:50:31,296 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2025-03-09 01:50:31,492 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2025-03-09 01:50:31,492 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2025-03-09 01:50:31,492 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 01:50:31,492 INFO L85 PathProgramCache]: Analyzing trace with hash 1819795535, now seen corresponding path program 1 times [2025-03-09 01:50:31,492 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 01:50:31,492 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [661851818] [2025-03-09 01:50:31,492 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 01:50:31,493 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 01:50:31,495 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-03-09 01:50:31,498 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-03-09 01:50:31,498 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 01:50:31,498 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-09 01:50:31,498 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1336686763] [2025-03-09 01:50:31,498 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 01:50:31,498 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 01:50:31,498 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 01:50:31,500 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-09 01:50:31,501 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2025-03-09 01:50:31,516 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-03-09 01:50:31,518 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-03-09 01:50:31,518 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 01:50:31,518 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 01:50:31,519 INFO L256 TraceCheckSpWp]: Trace formula consists of 20 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-03-09 01:50:31,519 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 01:50:31,527 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 01:50:31,527 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-09 01:50:31,527 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 01:50:31,527 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [661851818] [2025-03-09 01:50:31,527 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-09 01:50:31,527 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1336686763] [2025-03-09 01:50:31,527 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1336686763] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 01:50:31,527 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 01:50:31,527 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-09 01:50:31,527 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [968416699] [2025-03-09 01:50:31,527 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 01:50:31,527 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-09 01:50:31,527 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 01:50:31,528 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-09 01:50:31,528 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-09 01:50:31,528 INFO L87 Difference]: Start difference. First operand 70 states and 85 transitions. 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 01:50:31,571 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 01:50:31,571 INFO L93 Difference]: Finished difference Result 96 states and 120 transitions. [2025-03-09 01:50:31,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-09 01:50:31,572 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 01:50:31,572 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 01:50:31,572 INFO L225 Difference]: With dead ends: 96 [2025-03-09 01:50:31,574 INFO L226 Difference]: Without dead ends: 94 [2025-03-09 01:50:31,575 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-09 01:50:31,577 INFO L435 NwaCegarLoop]: 33 mSDtfsCounter, 35 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 48 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-09 01:50:31,577 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [35 Valid, 48 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-09 01:50:31,578 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2025-03-09 01:50:31,581 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 84. [2025-03-09 01:50:31,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 84 states, 62 states have (on average 1.7419354838709677) internal successors, (108), 83 states have internal predecessors, (108), 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 01:50:31,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 108 transitions. [2025-03-09 01:50:31,581 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 108 transitions. Word has length 7 [2025-03-09 01:50:31,582 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 01:50:31,582 INFO L471 AbstractCegarLoop]: Abstraction has 84 states and 108 transitions. [2025-03-09 01:50:31,582 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 01:50:31,582 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 108 transitions. [2025-03-09 01:50:31,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2025-03-09 01:50:31,582 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 01:50:31,582 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2025-03-09 01:50:31,588 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2025-03-09 01:50:31,782 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 01:50:31,783 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2025-03-09 01:50:31,783 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 01:50:31,783 INFO L85 PathProgramCache]: Analyzing trace with hash 1819795575, now seen corresponding path program 1 times [2025-03-09 01:50:31,783 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 01:50:31,784 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [325408563] [2025-03-09 01:50:31,784 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 01:50:31,784 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 01:50:31,786 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-03-09 01:50:31,789 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-03-09 01:50:31,790 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 01:50:31,790 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 01:50:31,826 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 01:50:31,826 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 01:50:31,826 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [325408563] [2025-03-09 01:50:31,826 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [325408563] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 01:50:31,826 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 01:50:31,826 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-09 01:50:31,827 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1855585062] [2025-03-09 01:50:31,827 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 01:50:31,827 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-09 01:50:31,827 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 01:50:31,827 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-09 01:50:31,827 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-09 01:50:31,827 INFO L87 Difference]: Start difference. First operand 84 states and 108 transitions. 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 01:50:31,859 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 01:50:31,859 INFO L93 Difference]: Finished difference Result 102 states and 127 transitions. [2025-03-09 01:50:31,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-09 01:50:31,859 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 01:50:31,859 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 01:50:31,861 INFO L225 Difference]: With dead ends: 102 [2025-03-09 01:50:31,861 INFO L226 Difference]: Without dead ends: 100 [2025-03-09 01:50:31,861 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 01:50:31,861 INFO L435 NwaCegarLoop]: 45 mSDtfsCounter, 24 mSDsluCounter, 26 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 71 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-09 01:50:31,862 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [24 Valid, 71 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-09 01:50:31,862 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states. [2025-03-09 01:50:31,865 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 93. [2025-03-09 01:50:31,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 93 states, 72 states have (on average 1.6805555555555556) internal successors, (121), 92 states have internal predecessors, (121), 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 01:50:31,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 121 transitions. [2025-03-09 01:50:31,866 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 121 transitions. Word has length 7 [2025-03-09 01:50:31,866 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 01:50:31,866 INFO L471 AbstractCegarLoop]: Abstraction has 93 states and 121 transitions. [2025-03-09 01:50:31,868 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 01:50:31,868 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 121 transitions. [2025-03-09 01:50:31,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2025-03-09 01:50:31,868 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 01:50:31,868 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 01:50:31,868 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-03-09 01:50:31,869 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2025-03-09 01:50:31,870 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 01:50:31,870 INFO L85 PathProgramCache]: Analyzing trace with hash 579087991, now seen corresponding path program 1 times [2025-03-09 01:50:31,870 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 01:50:31,870 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1641286160] [2025-03-09 01:50:31,870 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 01:50:31,870 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 01:50:31,872 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 8 statements into 1 equivalence classes. [2025-03-09 01:50:31,876 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-03-09 01:50:31,876 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 01:50:31,876 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-09 01:50:31,877 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [88676214] [2025-03-09 01:50:31,877 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 01:50:31,877 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 01:50:31,877 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 01:50:31,878 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-09 01:50:31,879 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2025-03-09 01:50:31,893 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 8 statements into 1 equivalence classes. [2025-03-09 01:50:31,895 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-03-09 01:50:31,895 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 01:50:31,896 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-09 01:50:31,896 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-09 01:50:31,897 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 8 statements into 1 equivalence classes. [2025-03-09 01:50:31,898 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-03-09 01:50:31,898 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 01:50:31,898 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-09 01:50:31,904 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-09 01:50:31,904 INFO L340 BasicCegarLoop]: Counterexample is feasible [2025-03-09 01:50:31,905 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW (21 of 22 remaining) [2025-03-09 01:50:31,906 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (20 of 22 remaining) [2025-03-09 01:50:31,906 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 22 remaining) [2025-03-09 01:50:31,906 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 22 remaining) [2025-03-09 01:50:31,906 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 22 remaining) [2025-03-09 01:50:31,906 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 22 remaining) [2025-03-09 01:50:31,906 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 22 remaining) [2025-03-09 01:50:31,906 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 22 remaining) [2025-03-09 01:50:31,906 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 22 remaining) [2025-03-09 01:50:31,906 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 22 remaining) [2025-03-09 01:50:31,907 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 22 remaining) [2025-03-09 01:50:31,907 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 22 remaining) [2025-03-09 01:50:31,907 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 22 remaining) [2025-03-09 01:50:31,907 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 22 remaining) [2025-03-09 01:50:31,907 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 22 remaining) [2025-03-09 01:50:31,907 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 22 remaining) [2025-03-09 01:50:31,907 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 22 remaining) [2025-03-09 01:50:31,907 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 22 remaining) [2025-03-09 01:50:31,907 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 22 remaining) [2025-03-09 01:50:31,907 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 22 remaining) [2025-03-09 01:50:31,907 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 22 remaining) [2025-03-09 01:50:31,907 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 22 remaining) [2025-03-09 01:50:31,914 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2025-03-09 01:50:32,107 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 01:50:32,110 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2025-03-09 01:50:32,120 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-03-09 01:50:32,122 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.03 01:50:32 BoogieIcfgContainer [2025-03-09 01:50:32,122 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-03-09 01:50:32,122 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-03-09 01:50:32,122 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-03-09 01:50:32,122 INFO L274 PluginConnector]: Witness Printer initialized [2025-03-09 01:50:32,123 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 09.03 01:50:30" (3/4) ... [2025-03-09 01:50:32,123 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample [2025-03-09 01:50:32,146 INFO L127 tionWitnessGenerator]: Generated YAML witness of length 3. [2025-03-09 01:50:32,173 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-03-09 01:50:32,174 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2025-03-09 01:50:32,174 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-03-09 01:50:32,176 INFO L158 Benchmark]: Toolchain (without parser) took 2063.77ms. Allocated memory is still 142.6MB. Free memory was 105.6MB in the beginning and 94.2MB in the end (delta: 11.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2025-03-09 01:50:32,176 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 201.3MB. Free memory is still 126.6MB. There was no memory consumed. Max. memory is 16.1GB. [2025-03-09 01:50:32,177 INFO L158 Benchmark]: CACSL2BoogieTranslator took 147.13ms. Allocated memory is still 142.6MB. Free memory was 105.6MB in the beginning and 95.7MB in the end (delta: 10.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-09 01:50:32,177 INFO L158 Benchmark]: Boogie Procedure Inliner took 21.24ms. Allocated memory is still 142.6MB. Free memory was 95.7MB in the beginning and 94.6MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-09 01:50:32,178 INFO L158 Benchmark]: Boogie Preprocessor took 23.43ms. Allocated memory is still 142.6MB. Free memory was 94.6MB in the beginning and 93.4MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-09 01:50:32,178 INFO L158 Benchmark]: IcfgBuilder took 268.64ms. Allocated memory is still 142.6MB. Free memory was 93.4MB in the beginning and 78.9MB in the end (delta: 14.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-03-09 01:50:32,178 INFO L158 Benchmark]: TraceAbstraction took 1546.17ms. Allocated memory is still 142.6MB. Free memory was 77.8MB in the beginning and 99.4MB in the end (delta: -21.6MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-09 01:50:32,178 INFO L158 Benchmark]: Witness Printer took 52.09ms. Allocated memory is still 142.6MB. Free memory was 99.4MB in the beginning and 94.2MB in the end (delta: 5.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-09 01:50:32,179 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 201.3MB. Free memory is still 126.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 147.13ms. Allocated memory is still 142.6MB. Free memory was 105.6MB in the beginning and 95.7MB in the end (delta: 10.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 21.24ms. Allocated memory is still 142.6MB. Free memory was 95.7MB in the beginning and 94.6MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 23.43ms. Allocated memory is still 142.6MB. Free memory was 94.6MB in the beginning and 93.4MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 268.64ms. Allocated memory is still 142.6MB. Free memory was 93.4MB in the beginning and 78.9MB in the end (delta: 14.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1546.17ms. Allocated memory is still 142.6MB. Free memory was 77.8MB in the beginning and 99.4MB in the end (delta: -21.6MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 52.09ms. Allocated memory is still 142.6MB. Free memory was 99.4MB in the beginning and 94.2MB in the end (delta: 5.2MB). Peak memory consumption was 8.4MB. 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 - CounterExampleResult [Line: 41]: integer overflow possible integer overflow possible We found a FailurePath: [L23] int A, B; [L24] int r, d, p, q; [L25] A = __VERIFIER_nondet_int() [L26] B = __VERIFIER_nondet_int() [L28] COND FALSE !(B < 1) [L30] r = A [L31] d = B [L32] p = 1 [L33] q = 0 VAL [A=1073741824, B=1073741824, d=1073741824, p=1, q=0, r=1073741824] [L39] EXPR B * p VAL [A=1073741824, B=1073741824, d=1073741824, p=1, q=0, r=1073741824] [L39] COND FALSE !(!(r >= B * p)) VAL [A=1073741824, B=1073741824, d=1073741824, p=1, q=0, r=1073741824] [L41] 2 * d VAL [A=1073741824, B=1073741824, p=1, q=0, r=1073741824] - UnprovableResult [Line: 55]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 55]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 54]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 54]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 52]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 52]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 51]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 51]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 49]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 49]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 49]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 49]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 49]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 49]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 49]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 49]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 42]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 42]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 41]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 39]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 39]: 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 1 procedures, 54 locations, 59 edges, 22 error locations. Started 1 CEGAR loops. OverallTime: 1.5s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 145 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 145 mSDsluCounter, 206 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 74 mSDsCounter, 7 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 199 IncrementalHoareTripleChecker+Invalid, 206 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 7 mSolverCounterUnsat, 132 mSDtfsCounter, 199 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 15 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=93occurred in iteration=4, InterpolantAutomatonStates: 13, 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, 4 MinimizatonAttempts, 25 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 55 NumberOfCodeBlocks, 55 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 19 ConstructedInterpolants, 0 QuantifiedInterpolants, 55 SizeOfPredicates, 0 NumberOfNonLiveVariables, 55 ConjunctsInSsa, 11 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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, ConComCheckerStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2025-03-09 01:50:32,194 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 Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW)