./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/termination-crafted/Benghazi.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 48c9605d Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/termination-crafted/Benghazi.c -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/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 9edf84ee73e15e033440f38035e679f46457b07702832d589a58530a086e57e5 --- Real Ultimate output --- This is Ultimate 0.3.0-?-48c9605-m [2025-02-08 08:54:28,724 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-08 08:54:28,778 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf [2025-02-08 08:54:28,782 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-08 08:54:28,782 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-08 08:54:28,806 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-08 08:54:28,810 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-08 08:54:28,810 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-08 08:54:28,810 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-08 08:54:28,812 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-08 08:54:28,812 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-08 08:54:28,812 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-08 08:54:28,813 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-08 08:54:28,813 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-08 08:54:28,813 INFO L153 SettingsManager]: * Use SBE=true [2025-02-08 08:54:28,813 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-08 08:54:28,813 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-08 08:54:28,813 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-08 08:54:28,813 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-08 08:54:28,813 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-08 08:54:28,813 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-08 08:54:28,813 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-08 08:54:28,813 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2025-02-08 08:54:28,813 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-02-08 08:54:28,813 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-08 08:54:28,813 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-08 08:54:28,813 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-08 08:54:28,813 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-08 08:54:28,813 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-08 08:54:28,813 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-08 08:54:28,813 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-08 08:54:28,814 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 08:54:28,814 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-08 08:54:28,814 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-08 08:54:28,814 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-08 08:54:28,814 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-08 08:54:28,814 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-08 08:54:28,814 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-08 08:54:28,814 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-08 08:54:28,814 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-08 08:54:28,814 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-08 08:54:28,814 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-08 08:54:28,814 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-jdk21/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 -> 9edf84ee73e15e033440f38035e679f46457b07702832d589a58530a086e57e5 [2025-02-08 08:54:29,128 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-08 08:54:29,136 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-08 08:54:29,139 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-08 08:54:29,140 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-08 08:54:29,140 INFO L274 PluginConnector]: CDTParser initialized [2025-02-08 08:54:29,141 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-crafted/Benghazi.c [2025-02-08 08:54:30,363 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/0590f0a6a/20e8c28054b34eaa92c03d5d19ce4b82/FLAG858a36117 [2025-02-08 08:54:30,596 INFO L384 CDTParser]: Found 1 translation units. [2025-02-08 08:54:30,597 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/termination-crafted/Benghazi.c [2025-02-08 08:54:30,607 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/0590f0a6a/20e8c28054b34eaa92c03d5d19ce4b82/FLAG858a36117 [2025-02-08 08:54:30,931 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/0590f0a6a/20e8c28054b34eaa92c03d5d19ce4b82 [2025-02-08 08:54:30,933 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-08 08:54:30,934 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-08 08:54:30,935 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-08 08:54:30,935 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-08 08:54:30,938 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-08 08:54:30,938 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 08:54:30" (1/1) ... [2025-02-08 08:54:30,939 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6abc6519 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:54:30, skipping insertion in model container [2025-02-08 08:54:30,939 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 08:54:30" (1/1) ... [2025-02-08 08:54:30,947 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-08 08:54:31,023 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 08:54:31,025 INFO L200 MainTranslator]: Completed pre-run [2025-02-08 08:54:31,032 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 08:54:31,040 INFO L204 MainTranslator]: Completed translation [2025-02-08 08:54:31,040 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:54:31 WrapperNode [2025-02-08 08:54:31,040 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-08 08:54:31,041 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-08 08:54:31,041 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-08 08:54:31,041 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-08 08:54:31,045 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:54:31" (1/1) ... [2025-02-08 08:54:31,047 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:54:31" (1/1) ... [2025-02-08 08:54:31,054 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 25 [2025-02-08 08:54:31,054 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-08 08:54:31,055 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-08 08:54:31,055 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-08 08:54:31,055 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-08 08:54:31,059 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:54:31" (1/1) ... [2025-02-08 08:54:31,060 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:54:31" (1/1) ... [2025-02-08 08:54:31,060 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:54:31" (1/1) ... [2025-02-08 08:54:31,063 INFO L175 MemorySlicer]: No memory access in input program. [2025-02-08 08:54:31,063 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:54:31" (1/1) ... [2025-02-08 08:54:31,063 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:54:31" (1/1) ... [2025-02-08 08:54:31,064 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:54:31" (1/1) ... [2025-02-08 08:54:31,064 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:54:31" (1/1) ... [2025-02-08 08:54:31,065 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:54:31" (1/1) ... [2025-02-08 08:54:31,065 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:54:31" (1/1) ... [2025-02-08 08:54:31,066 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-08 08:54:31,066 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-08 08:54:31,066 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-08 08:54:31,066 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-08 08:54:31,067 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:54:31" (1/1) ... [2025-02-08 08:54:31,070 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 08:54:31,078 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 08:54:31,092 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-02-08 08:54:31,094 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-02-08 08:54:31,110 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-08 08:54:31,110 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-08 08:54:31,155 INFO L257 CfgBuilder]: Building ICFG [2025-02-08 08:54:31,156 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-08 08:54:31,216 INFO L? ?]: Removed 13 outVars from TransFormulas that were not future-live. [2025-02-08 08:54:31,216 INFO L308 CfgBuilder]: Performing block encoding [2025-02-08 08:54:31,222 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-08 08:54:31,223 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-08 08:54:31,223 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 08:54:31 BoogieIcfgContainer [2025-02-08 08:54:31,223 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-08 08:54:31,225 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-08 08:54:31,225 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-08 08:54:31,228 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-08 08:54:31,228 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.02 08:54:30" (1/3) ... [2025-02-08 08:54:31,228 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f64a417 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 08:54:31, skipping insertion in model container [2025-02-08 08:54:31,228 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:54:31" (2/3) ... [2025-02-08 08:54:31,229 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f64a417 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 08:54:31, skipping insertion in model container [2025-02-08 08:54:31,229 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 08:54:31" (3/3) ... [2025-02-08 08:54:31,229 INFO L128 eAbstractionObserver]: Analyzing ICFG Benghazi.c [2025-02-08 08:54:31,239 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-08 08:54:31,240 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG Benghazi.c that has 1 procedures, 16 locations, 1 initial locations, 1 loop locations, and 6 error locations. [2025-02-08 08:54:31,270 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-08 08:54:31,281 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;@44b62a04, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-08 08:54:31,282 INFO L334 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2025-02-08 08:54:31,284 INFO L276 IsEmpty]: Start isEmpty. Operand has 16 states, 9 states have (on average 1.7777777777777777) internal successors, (16), 15 states have internal predecessors, (16), 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) [2025-02-08 08:54:31,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2025-02-08 08:54:31,287 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 08:54:31,287 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1] [2025-02-08 08:54:31,287 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-02-08 08:54:31,290 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 08:54:31,290 INFO L85 PathProgramCache]: Analyzing trace with hash 43660, now seen corresponding path program 1 times [2025-02-08 08:54:31,295 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 08:54:31,295 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [482365737] [2025-02-08 08:54:31,295 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 08:54:31,296 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 08:54:31,342 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-02-08 08:54:31,349 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-02-08 08:54:31,351 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 08:54:31,351 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 08:54:31,404 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 08:54:31,405 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 08:54:31,406 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [482365737] [2025-02-08 08:54:31,406 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [482365737] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 08:54:31,406 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 08:54:31,406 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-08 08:54:31,408 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1445400325] [2025-02-08 08:54:31,408 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 08:54:31,411 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 08:54:31,411 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 08:54:31,425 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 08:54:31,425 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-08 08:54:31,427 INFO L87 Difference]: Start difference. First operand has 16 states, 9 states have (on average 1.7777777777777777) internal successors, (16), 15 states have internal predecessors, (16), 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 4 states, 3 states have (on average 1.0) internal successors, (3), 3 states have internal predecessors, (3), 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) [2025-02-08 08:54:31,478 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 08:54:31,478 INFO L93 Difference]: Finished difference Result 20 states and 22 transitions. [2025-02-08 08:54:31,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-08 08:54:31,481 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.0) internal successors, (3), 3 states have internal predecessors, (3), 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 3 [2025-02-08 08:54:31,481 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 08:54:31,485 INFO L225 Difference]: With dead ends: 20 [2025-02-08 08:54:31,485 INFO L226 Difference]: Without dead ends: 17 [2025-02-08 08:54:31,487 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-02-08 08:54:31,489 INFO L435 NwaCegarLoop]: 13 mSDtfsCounter, 3 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 30 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-08 08:54:31,489 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 30 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-08 08:54:31,498 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2025-02-08 08:54:31,506 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 16. [2025-02-08 08:54:31,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 10 states have (on average 1.6) internal successors, (16), 15 states have internal predecessors, (16), 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) [2025-02-08 08:54:31,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 16 transitions. [2025-02-08 08:54:31,510 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 16 transitions. Word has length 3 [2025-02-08 08:54:31,510 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 08:54:31,510 INFO L471 AbstractCegarLoop]: Abstraction has 16 states and 16 transitions. [2025-02-08 08:54:31,510 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.0) internal successors, (3), 3 states have internal predecessors, (3), 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) [2025-02-08 08:54:31,510 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 16 transitions. [2025-02-08 08:54:31,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2025-02-08 08:54:31,511 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 08:54:31,511 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2025-02-08 08:54:31,511 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-02-08 08:54:31,511 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-02-08 08:54:31,512 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 08:54:31,512 INFO L85 PathProgramCache]: Analyzing trace with hash 1353439, now seen corresponding path program 1 times [2025-02-08 08:54:31,512 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 08:54:31,512 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [402943462] [2025-02-08 08:54:31,512 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 08:54:31,512 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 08:54:31,515 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-02-08 08:54:31,517 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-02-08 08:54:31,517 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 08:54:31,517 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 08:54:31,543 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 08:54:31,543 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 08:54:31,543 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [402943462] [2025-02-08 08:54:31,543 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [402943462] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 08:54:31,543 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 08:54:31,543 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2025-02-08 08:54:31,543 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1652566505] [2025-02-08 08:54:31,543 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 08:54:31,544 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-08 08:54:31,544 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 08:54:31,544 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-08 08:54:31,544 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 08:54:31,544 INFO L87 Difference]: Start difference. First operand 16 states and 16 transitions. Second operand has 3 states, 2 states have (on average 2.0) internal successors, (4), 2 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) [2025-02-08 08:54:31,565 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 08:54:31,565 INFO L93 Difference]: Finished difference Result 18 states and 18 transitions. [2025-02-08 08:54:31,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-08 08:54:31,567 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 2 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 [2025-02-08 08:54:31,567 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 08:54:31,567 INFO L225 Difference]: With dead ends: 18 [2025-02-08 08:54:31,567 INFO L226 Difference]: Without dead ends: 17 [2025-02-08 08:54:31,567 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 08:54:31,568 INFO L435 NwaCegarLoop]: 11 mSDtfsCounter, 0 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 18 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-08 08:54:31,571 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 18 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-08 08:54:31,571 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2025-02-08 08:54:31,573 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 17. [2025-02-08 08:54:31,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 11 states have (on average 1.5454545454545454) internal successors, (17), 16 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) [2025-02-08 08:54:31,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 17 transitions. [2025-02-08 08:54:31,573 INFO L78 Accepts]: Start accepts. Automaton has 17 states and 17 transitions. Word has length 4 [2025-02-08 08:54:31,573 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 08:54:31,573 INFO L471 AbstractCegarLoop]: Abstraction has 17 states and 17 transitions. [2025-02-08 08:54:31,573 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 2 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) [2025-02-08 08:54:31,573 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 17 transitions. [2025-02-08 08:54:31,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2025-02-08 08:54:31,574 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 08:54:31,574 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2025-02-08 08:54:31,575 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-02-08 08:54:31,576 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-02-08 08:54:31,576 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 08:54:31,576 INFO L85 PathProgramCache]: Analyzing trace with hash 41956586, now seen corresponding path program 1 times [2025-02-08 08:54:31,576 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 08:54:31,576 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1213818137] [2025-02-08 08:54:31,576 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 08:54:31,577 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 08:54:31,581 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 5 statements into 1 equivalence classes. [2025-02-08 08:54:31,588 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 5 of 5 statements. [2025-02-08 08:54:31,589 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 08:54:31,589 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 08:54:31,621 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 08:54:31,621 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 08:54:31,621 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1213818137] [2025-02-08 08:54:31,621 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1213818137] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 08:54:31,621 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 08:54:31,621 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2025-02-08 08:54:31,621 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1227389362] [2025-02-08 08:54:31,621 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 08:54:31,622 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-08 08:54:31,622 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 08:54:31,622 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-08 08:54:31,622 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 08:54:31,622 INFO L87 Difference]: Start difference. First operand 17 states and 17 transitions. Second operand has 3 states, 2 states have (on average 2.5) internal successors, (5), 2 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) [2025-02-08 08:54:31,650 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 08:54:31,650 INFO L93 Difference]: Finished difference Result 20 states and 21 transitions. [2025-02-08 08:54:31,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-08 08:54:31,651 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 2 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 [2025-02-08 08:54:31,651 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 08:54:31,651 INFO L225 Difference]: With dead ends: 20 [2025-02-08 08:54:31,651 INFO L226 Difference]: Without dead ends: 19 [2025-02-08 08:54:31,651 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 08:54:31,652 INFO L435 NwaCegarLoop]: 11 mSDtfsCounter, 1 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 19 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-08 08:54:31,652 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 19 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-08 08:54:31,655 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states. [2025-02-08 08:54:31,657 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 18. [2025-02-08 08:54:31,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 12 states have (on average 1.5) internal successors, (18), 17 states have internal predecessors, (18), 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) [2025-02-08 08:54:31,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 18 transitions. [2025-02-08 08:54:31,658 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 18 transitions. Word has length 5 [2025-02-08 08:54:31,658 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 08:54:31,658 INFO L471 AbstractCegarLoop]: Abstraction has 18 states and 18 transitions. [2025-02-08 08:54:31,658 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 2 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) [2025-02-08 08:54:31,658 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 18 transitions. [2025-02-08 08:54:31,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2025-02-08 08:54:31,658 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 08:54:31,658 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2025-02-08 08:54:31,659 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-02-08 08:54:31,659 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-02-08 08:54:31,659 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 08:54:31,659 INFO L85 PathProgramCache]: Analyzing trace with hash 1300654141, now seen corresponding path program 1 times [2025-02-08 08:54:31,659 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 08:54:31,659 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [698336634] [2025-02-08 08:54:31,660 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 08:54:31,660 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 08:54:31,663 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 6 statements into 1 equivalence classes. [2025-02-08 08:54:31,665 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 6 of 6 statements. [2025-02-08 08:54:31,665 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 08:54:31,666 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 08:54:31,682 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 08:54:31,682 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 08:54:31,682 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [698336634] [2025-02-08 08:54:31,683 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [698336634] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 08:54:31,683 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 08:54:31,683 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2025-02-08 08:54:31,683 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [599222898] [2025-02-08 08:54:31,683 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 08:54:31,683 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-08 08:54:31,683 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 08:54:31,683 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-08 08:54:31,683 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 08:54:31,684 INFO L87 Difference]: Start difference. First operand 18 states and 18 transitions. Second operand has 3 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 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) [2025-02-08 08:54:31,692 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 08:54:31,693 INFO L93 Difference]: Finished difference Result 20 states and 20 transitions. [2025-02-08 08:54:31,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-08 08:54:31,694 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 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 6 [2025-02-08 08:54:31,694 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 08:54:31,694 INFO L225 Difference]: With dead ends: 20 [2025-02-08 08:54:31,694 INFO L226 Difference]: Without dead ends: 19 [2025-02-08 08:54:31,694 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 08:54:31,694 INFO L435 NwaCegarLoop]: 12 mSDtfsCounter, 0 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 20 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-08 08:54:31,695 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 20 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-08 08:54:31,695 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states. [2025-02-08 08:54:31,696 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19. [2025-02-08 08:54:31,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 13 states have (on average 1.4615384615384615) internal successors, (19), 18 states have internal predecessors, (19), 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) [2025-02-08 08:54:31,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 19 transitions. [2025-02-08 08:54:31,697 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 19 transitions. Word has length 6 [2025-02-08 08:54:31,697 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 08:54:31,697 INFO L471 AbstractCegarLoop]: Abstraction has 19 states and 19 transitions. [2025-02-08 08:54:31,697 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 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) [2025-02-08 08:54:31,697 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 19 transitions. [2025-02-08 08:54:31,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2025-02-08 08:54:31,697 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 08:54:31,697 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2025-02-08 08:54:31,697 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-02-08 08:54:31,697 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-02-08 08:54:31,701 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 08:54:31,701 INFO L85 PathProgramCache]: Analyzing trace with hash 1665572680, now seen corresponding path program 1 times [2025-02-08 08:54:31,701 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 08:54:31,701 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [552871092] [2025-02-08 08:54:31,701 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 08:54:31,701 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 08:54:31,706 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-02-08 08:54:31,709 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-02-08 08:54:31,709 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 08:54:31,709 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 08:54:31,733 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 08:54:31,733 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 08:54:31,734 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [552871092] [2025-02-08 08:54:31,734 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [552871092] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 08:54:31,734 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 08:54:31,734 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-08 08:54:31,734 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [580431468] [2025-02-08 08:54:31,734 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 08:54:31,734 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 08:54:31,734 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 08:54:31,735 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 08:54:31,735 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-08 08:54:31,735 INFO L87 Difference]: Start difference. First operand 19 states and 19 transitions. Second operand has 4 states, 3 states have (on average 2.3333333333333335) 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) [2025-02-08 08:54:31,753 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 08:54:31,754 INFO L93 Difference]: Finished difference Result 22 states and 23 transitions. [2025-02-08 08:54:31,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-08 08:54:31,754 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.3333333333333335) 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 [2025-02-08 08:54:31,754 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 08:54:31,755 INFO L225 Difference]: With dead ends: 22 [2025-02-08 08:54:31,755 INFO L226 Difference]: Without dead ends: 21 [2025-02-08 08:54:31,755 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-08 08:54:31,755 INFO L435 NwaCegarLoop]: 9 mSDtfsCounter, 1 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 21 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-08 08:54:31,756 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 21 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-08 08:54:31,756 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2025-02-08 08:54:31,758 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 20. [2025-02-08 08:54:31,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 14 states have (on average 1.4285714285714286) internal successors, (20), 19 states have internal predecessors, (20), 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) [2025-02-08 08:54:31,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 20 transitions. [2025-02-08 08:54:31,758 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 20 transitions. Word has length 7 [2025-02-08 08:54:31,758 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 08:54:31,758 INFO L471 AbstractCegarLoop]: Abstraction has 20 states and 20 transitions. [2025-02-08 08:54:31,758 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.3333333333333335) 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) [2025-02-08 08:54:31,758 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 20 transitions. [2025-02-08 08:54:31,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2025-02-08 08:54:31,759 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 08:54:31,759 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 08:54:31,759 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-02-08 08:54:31,759 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-02-08 08:54:31,759 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 08:54:31,759 INFO L85 PathProgramCache]: Analyzing trace with hash 93145499, now seen corresponding path program 1 times [2025-02-08 08:54:31,760 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 08:54:31,760 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1113852570] [2025-02-08 08:54:31,760 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 08:54:31,760 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 08:54:31,763 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 8 statements into 1 equivalence classes. [2025-02-08 08:54:31,765 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-02-08 08:54:31,765 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 08:54:31,765 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 08:54:31,791 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 08:54:31,792 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 08:54:31,792 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1113852570] [2025-02-08 08:54:31,792 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1113852570] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 08:54:31,792 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 08:54:31,792 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-08 08:54:31,792 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1798866133] [2025-02-08 08:54:31,792 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 08:54:31,792 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 08:54:31,792 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 08:54:31,793 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 08:54:31,793 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-08 08:54:31,793 INFO L87 Difference]: Start difference. First operand 20 states and 20 transitions. Second operand has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 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) [2025-02-08 08:54:31,810 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 08:54:31,810 INFO L93 Difference]: Finished difference Result 22 states and 22 transitions. [2025-02-08 08:54:31,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-08 08:54:31,810 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 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 [2025-02-08 08:54:31,811 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 08:54:31,811 INFO L225 Difference]: With dead ends: 22 [2025-02-08 08:54:31,811 INFO L226 Difference]: Without dead ends: 21 [2025-02-08 08:54:31,811 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-08 08:54:31,812 INFO L435 NwaCegarLoop]: 10 mSDtfsCounter, 0 mSDsluCounter, 13 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 23 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-08 08:54:31,812 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 23 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-08 08:54:31,812 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2025-02-08 08:54:31,814 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21. [2025-02-08 08:54:31,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21 states, 15 states have (on average 1.4) internal successors, (21), 20 states have internal predecessors, (21), 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) [2025-02-08 08:54:31,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 21 transitions. [2025-02-08 08:54:31,814 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 21 transitions. Word has length 8 [2025-02-08 08:54:31,814 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 08:54:31,814 INFO L471 AbstractCegarLoop]: Abstraction has 21 states and 21 transitions. [2025-02-08 08:54:31,814 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 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) [2025-02-08 08:54:31,814 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 21 transitions. [2025-02-08 08:54:31,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2025-02-08 08:54:31,814 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 08:54:31,815 INFO L218 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 08:54:31,815 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-02-08 08:54:31,815 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-02-08 08:54:31,815 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 08:54:31,815 INFO L85 PathProgramCache]: Analyzing trace with hash -681489223, now seen corresponding path program 1 times [2025-02-08 08:54:31,815 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 08:54:31,815 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1252609240] [2025-02-08 08:54:31,815 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 08:54:31,815 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 08:54:31,819 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 10 statements into 1 equivalence classes. [2025-02-08 08:54:31,822 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 10 of 10 statements. [2025-02-08 08:54:31,822 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 08:54:31,823 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 08:54:31,869 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 08:54:31,869 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 08:54:31,870 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1252609240] [2025-02-08 08:54:31,870 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1252609240] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 08:54:31,870 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [664682687] [2025-02-08 08:54:31,870 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 08:54:31,870 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 08:54:31,870 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 08:54:31,872 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 08:54:31,874 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-02-08 08:54:31,893 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 10 statements into 1 equivalence classes. [2025-02-08 08:54:31,896 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 10 of 10 statements. [2025-02-08 08:54:31,897 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 08:54:31,897 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 08:54:31,898 INFO L256 TraceCheckSpWp]: Trace formula consists of 25 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-02-08 08:54:31,900 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 08:54:31,951 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 08:54:31,951 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 08:54:31,992 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 08:54:31,993 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [664682687] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 08:54:31,993 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-08 08:54:31,993 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 7 [2025-02-08 08:54:31,993 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [729240703] [2025-02-08 08:54:31,993 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-08 08:54:31,993 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-02-08 08:54:31,993 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 08:54:31,994 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-02-08 08:54:31,994 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2025-02-08 08:54:31,994 INFO L87 Difference]: Start difference. First operand 21 states and 21 transitions. Second operand has 9 states, 8 states have (on average 2.75) internal successors, (22), 8 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) [2025-02-08 08:54:32,076 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 08:54:32,076 INFO L93 Difference]: Finished difference Result 24 states and 26 transitions. [2025-02-08 08:54:32,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-02-08 08:54:32,076 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 2.75) internal successors, (22), 8 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) Word has length 10 [2025-02-08 08:54:32,077 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 08:54:32,077 INFO L225 Difference]: With dead ends: 24 [2025-02-08 08:54:32,077 INFO L226 Difference]: Without dead ends: 23 [2025-02-08 08:54:32,077 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=71, Invalid=139, Unknown=0, NotChecked=0, Total=210 [2025-02-08 08:54:32,077 INFO L435 NwaCegarLoop]: 6 mSDtfsCounter, 15 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 22 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-08 08:54:32,078 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 22 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-08 08:54:32,078 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2025-02-08 08:54:32,079 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 20. [2025-02-08 08:54:32,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 15 states have (on average 1.3333333333333333) internal successors, (20), 19 states have internal predecessors, (20), 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) [2025-02-08 08:54:32,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 20 transitions. [2025-02-08 08:54:32,080 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 20 transitions. Word has length 10 [2025-02-08 08:54:32,080 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 08:54:32,080 INFO L471 AbstractCegarLoop]: Abstraction has 20 states and 20 transitions. [2025-02-08 08:54:32,080 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 2.75) internal successors, (22), 8 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) [2025-02-08 08:54:32,080 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 20 transitions. [2025-02-08 08:54:32,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2025-02-08 08:54:32,080 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 08:54:32,080 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 08:54:32,086 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2025-02-08 08:54:32,280 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 08:54:32,281 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-02-08 08:54:32,281 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 08:54:32,281 INFO L85 PathProgramCache]: Analyzing trace with hash 348670546, now seen corresponding path program 1 times [2025-02-08 08:54:32,281 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 08:54:32,281 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [995677747] [2025-02-08 08:54:32,281 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 08:54:32,282 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 08:54:32,284 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 11 statements into 1 equivalence classes. [2025-02-08 08:54:32,287 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 11 of 11 statements. [2025-02-08 08:54:32,287 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 08:54:32,287 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 08:54:32,323 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 08:54:32,323 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 08:54:32,323 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [995677747] [2025-02-08 08:54:32,323 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [995677747] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 08:54:32,323 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [377947927] [2025-02-08 08:54:32,323 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 08:54:32,323 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 08:54:32,323 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 08:54:32,325 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 08:54:32,326 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-02-08 08:54:32,342 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 11 statements into 1 equivalence classes. [2025-02-08 08:54:32,346 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 11 of 11 statements. [2025-02-08 08:54:32,346 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 08:54:32,346 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 08:54:32,347 INFO L256 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-02-08 08:54:32,348 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 08:54:32,411 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 08:54:32,411 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 08:54:32,444 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 08:54:32,445 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [377947927] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 08:54:32,445 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-08 08:54:32,445 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 9 [2025-02-08 08:54:32,445 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1943239320] [2025-02-08 08:54:32,445 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-08 08:54:32,445 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-02-08 08:54:32,445 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 08:54:32,446 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-02-08 08:54:32,446 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2025-02-08 08:54:32,446 INFO L87 Difference]: Start difference. First operand 20 states and 20 transitions. Second operand has 11 states, 10 states have (on average 3.3) internal successors, (33), 10 states have internal predecessors, (33), 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) [2025-02-08 08:54:32,492 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 08:54:32,492 INFO L93 Difference]: Finished difference Result 24 states and 24 transitions. [2025-02-08 08:54:32,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-08 08:54:32,492 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 3.3) internal successors, (33), 10 states have internal predecessors, (33), 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 [2025-02-08 08:54:32,492 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 08:54:32,493 INFO L225 Difference]: With dead ends: 24 [2025-02-08 08:54:32,493 INFO L226 Difference]: Without dead ends: 23 [2025-02-08 08:54:32,493 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2025-02-08 08:54:32,493 INFO L435 NwaCegarLoop]: 8 mSDtfsCounter, 0 mSDsluCounter, 27 mSDsCounter, 0 mSdLazyCounter, 77 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 35 SdHoareTripleChecker+Invalid, 77 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 77 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-08 08:54:32,493 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 35 Invalid, 77 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 77 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-08 08:54:32,494 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2025-02-08 08:54:32,495 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 23. [2025-02-08 08:54:32,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23 states, 18 states have (on average 1.2777777777777777) internal successors, (23), 22 states have internal predecessors, (23), 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) [2025-02-08 08:54:32,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 23 transitions. [2025-02-08 08:54:32,495 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 23 transitions. Word has length 11 [2025-02-08 08:54:32,495 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 08:54:32,495 INFO L471 AbstractCegarLoop]: Abstraction has 23 states and 23 transitions. [2025-02-08 08:54:32,495 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 3.3) internal successors, (33), 10 states have internal predecessors, (33), 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) [2025-02-08 08:54:32,495 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 23 transitions. [2025-02-08 08:54:32,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2025-02-08 08:54:32,495 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 08:54:32,496 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1] [2025-02-08 08:54:32,501 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2025-02-08 08:54:32,698 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 08:54:32,698 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-02-08 08:54:32,698 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 08:54:32,698 INFO L85 PathProgramCache]: Analyzing trace with hash -2076114985, now seen corresponding path program 1 times [2025-02-08 08:54:32,698 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 08:54:32,698 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [874045407] [2025-02-08 08:54:32,698 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 08:54:32,699 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 08:54:32,702 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 12 statements into 1 equivalence classes. [2025-02-08 08:54:32,703 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 12 of 12 statements. [2025-02-08 08:54:32,703 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 08:54:32,703 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 08:54:32,737 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 08:54:32,737 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 08:54:32,737 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [874045407] [2025-02-08 08:54:32,737 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [874045407] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 08:54:32,737 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 08:54:32,737 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-08 08:54:32,737 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [299688919] [2025-02-08 08:54:32,740 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 08:54:32,741 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 08:54:32,741 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 08:54:32,741 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 08:54:32,741 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-08 08:54:32,741 INFO L87 Difference]: Start difference. First operand 23 states and 23 transitions. Second operand has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 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) [2025-02-08 08:54:32,755 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 08:54:32,755 INFO L93 Difference]: Finished difference Result 23 states and 23 transitions. [2025-02-08 08:54:32,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-08 08:54:32,756 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 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 12 [2025-02-08 08:54:32,756 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 08:54:32,756 INFO L225 Difference]: With dead ends: 23 [2025-02-08 08:54:32,757 INFO L226 Difference]: Without dead ends: 22 [2025-02-08 08:54:32,757 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-08 08:54:32,758 INFO L435 NwaCegarLoop]: 7 mSDtfsCounter, 2 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 12 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-08 08:54:32,759 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 12 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-08 08:54:32,759 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states. [2025-02-08 08:54:32,760 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 22. [2025-02-08 08:54:32,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 18 states have (on average 1.2222222222222223) internal successors, (22), 21 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) [2025-02-08 08:54:32,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 22 transitions. [2025-02-08 08:54:32,762 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 22 transitions. Word has length 12 [2025-02-08 08:54:32,762 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 08:54:32,763 INFO L471 AbstractCegarLoop]: Abstraction has 22 states and 22 transitions. [2025-02-08 08:54:32,763 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 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) [2025-02-08 08:54:32,763 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 22 transitions. [2025-02-08 08:54:32,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2025-02-08 08:54:32,763 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 08:54:32,763 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1] [2025-02-08 08:54:32,763 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2025-02-08 08:54:32,764 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-02-08 08:54:32,764 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 08:54:32,764 INFO L85 PathProgramCache]: Analyzing trace with hash 64944880, now seen corresponding path program 1 times [2025-02-08 08:54:32,764 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 08:54:32,764 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1600625700] [2025-02-08 08:54:32,764 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 08:54:32,764 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 08:54:32,767 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 13 statements into 1 equivalence classes. [2025-02-08 08:54:32,769 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 13 of 13 statements. [2025-02-08 08:54:32,773 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 08:54:32,773 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 08:54:32,811 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 08:54:32,812 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 08:54:32,812 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1600625700] [2025-02-08 08:54:32,812 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1600625700] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 08:54:32,812 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1551699101] [2025-02-08 08:54:32,812 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 08:54:32,812 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 08:54:32,812 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 08:54:32,818 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 08:54:32,819 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2025-02-08 08:54:32,836 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 13 statements into 1 equivalence classes. [2025-02-08 08:54:32,840 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 13 of 13 statements. [2025-02-08 08:54:32,840 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 08:54:32,840 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 08:54:32,844 INFO L256 TraceCheckSpWp]: Trace formula consists of 32 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-02-08 08:54:32,844 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 08:54:32,879 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 08:54:32,879 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 08:54:32,939 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 08:54:32,939 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1551699101] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 08:54:32,939 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-08 08:54:32,939 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2025-02-08 08:54:32,939 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [862594813] [2025-02-08 08:54:32,939 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-08 08:54:32,940 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-02-08 08:54:32,940 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 08:54:32,940 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-02-08 08:54:32,940 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2025-02-08 08:54:32,940 INFO L87 Difference]: Start difference. First operand 22 states and 22 transitions. Second operand has 8 states, 7 states have (on average 3.7142857142857144) internal successors, (26), 7 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) [2025-02-08 08:54:33,084 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 08:54:33,085 INFO L93 Difference]: Finished difference Result 42 states and 47 transitions. [2025-02-08 08:54:33,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-02-08 08:54:33,086 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 3.7142857142857144) internal successors, (26), 7 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 13 [2025-02-08 08:54:33,086 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 08:54:33,091 INFO L225 Difference]: With dead ends: 42 [2025-02-08 08:54:33,091 INFO L226 Difference]: Without dead ends: 40 [2025-02-08 08:54:33,091 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=62, Invalid=178, Unknown=0, NotChecked=0, Total=240 [2025-02-08 08:54:33,091 INFO L435 NwaCegarLoop]: 4 mSDtfsCounter, 7 mSDsluCounter, 13 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 17 SdHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 50 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 08:54:33,091 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 17 Invalid, 55 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 08:54:33,092 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2025-02-08 08:54:33,096 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 38. [2025-02-08 08:54:33,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38 states, 34 states have (on average 1.2352941176470589) internal successors, (42), 37 states have internal predecessors, (42), 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) [2025-02-08 08:54:33,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 42 transitions. [2025-02-08 08:54:33,099 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 42 transitions. Word has length 13 [2025-02-08 08:54:33,099 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 08:54:33,099 INFO L471 AbstractCegarLoop]: Abstraction has 38 states and 42 transitions. [2025-02-08 08:54:33,099 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 3.7142857142857144) internal successors, (26), 7 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) [2025-02-08 08:54:33,099 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 42 transitions. [2025-02-08 08:54:33,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2025-02-08 08:54:33,100 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 08:54:33,100 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1] [2025-02-08 08:54:33,105 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2025-02-08 08:54:33,300 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,4 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 08:54:33,301 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-02-08 08:54:33,301 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 08:54:33,301 INFO L85 PathProgramCache]: Analyzing trace with hash 2013291253, now seen corresponding path program 1 times [2025-02-08 08:54:33,301 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 08:54:33,301 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1499516348] [2025-02-08 08:54:33,301 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 08:54:33,301 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 08:54:33,304 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 14 statements into 1 equivalence classes. [2025-02-08 08:54:33,307 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 14 of 14 statements. [2025-02-08 08:54:33,307 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 08:54:33,307 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 08:54:33,333 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 08:54:33,333 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 08:54:33,333 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1499516348] [2025-02-08 08:54:33,333 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1499516348] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 08:54:33,333 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [883765423] [2025-02-08 08:54:33,334 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 08:54:33,334 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 08:54:33,334 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 08:54:33,335 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 08:54:33,337 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2025-02-08 08:54:33,352 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 14 statements into 1 equivalence classes. [2025-02-08 08:54:33,356 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 14 of 14 statements. [2025-02-08 08:54:33,356 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 08:54:33,356 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 08:54:33,357 INFO L256 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-02-08 08:54:33,357 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 08:54:33,372 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 08:54:33,372 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 08:54:33,401 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 08:54:33,401 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [883765423] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 08:54:33,402 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-08 08:54:33,402 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2025-02-08 08:54:33,402 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [302918142] [2025-02-08 08:54:33,402 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-08 08:54:33,402 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-02-08 08:54:33,402 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 08:54:33,402 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-02-08 08:54:33,403 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2025-02-08 08:54:33,403 INFO L87 Difference]: Start difference. First operand 38 states and 42 transitions. Second operand has 8 states, 7 states have (on average 4.0) internal successors, (28), 7 states have internal predecessors, (28), 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) [2025-02-08 08:54:33,465 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 08:54:33,465 INFO L93 Difference]: Finished difference Result 48 states and 53 transitions. [2025-02-08 08:54:33,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-02-08 08:54:33,465 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 4.0) internal successors, (28), 7 states have internal predecessors, (28), 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 14 [2025-02-08 08:54:33,465 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 08:54:33,466 INFO L225 Difference]: With dead ends: 48 [2025-02-08 08:54:33,466 INFO L226 Difference]: Without dead ends: 47 [2025-02-08 08:54:33,466 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=46, Invalid=136, Unknown=0, NotChecked=0, Total=182 [2025-02-08 08:54:33,466 INFO L435 NwaCegarLoop]: 3 mSDtfsCounter, 12 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 59 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 7 SdHoareTripleChecker+Invalid, 63 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 59 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-08 08:54:33,467 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 7 Invalid, 63 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 59 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-08 08:54:33,467 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2025-02-08 08:54:33,469 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 37. [2025-02-08 08:54:33,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37 states, 34 states have (on average 1.1470588235294117) internal successors, (39), 36 states have internal predecessors, (39), 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) [2025-02-08 08:54:33,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 39 transitions. [2025-02-08 08:54:33,470 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 39 transitions. Word has length 14 [2025-02-08 08:54:33,470 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 08:54:33,470 INFO L471 AbstractCegarLoop]: Abstraction has 37 states and 39 transitions. [2025-02-08 08:54:33,470 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 4.0) internal successors, (28), 7 states have internal predecessors, (28), 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) [2025-02-08 08:54:33,470 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 39 transitions. [2025-02-08 08:54:33,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2025-02-08 08:54:33,471 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 08:54:33,471 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 1, 1] [2025-02-08 08:54:33,493 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2025-02-08 08:54:33,671 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2025-02-08 08:54:33,672 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-02-08 08:54:33,673 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 08:54:33,673 INFO L85 PathProgramCache]: Analyzing trace with hash -361861249, now seen corresponding path program 2 times [2025-02-08 08:54:33,673 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 08:54:33,673 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [519569463] [2025-02-08 08:54:33,673 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-08 08:54:33,673 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 08:54:33,684 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 18 statements into 2 equivalence classes. [2025-02-08 08:54:33,691 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 18 of 18 statements. [2025-02-08 08:54:33,691 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-08 08:54:33,691 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 08:54:33,770 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 08:54:33,771 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 08:54:33,771 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [519569463] [2025-02-08 08:54:33,771 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [519569463] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 08:54:33,771 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1760624660] [2025-02-08 08:54:33,771 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-08 08:54:33,771 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 08:54:33,771 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 08:54:33,773 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 08:54:33,774 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2025-02-08 08:54:33,792 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 18 statements into 2 equivalence classes. [2025-02-08 08:54:33,797 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 18 of 18 statements. [2025-02-08 08:54:33,797 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-08 08:54:33,798 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 08:54:33,798 INFO L256 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 10 conjuncts are in the unsatisfiable core [2025-02-08 08:54:33,799 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 08:54:34,016 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 3 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 08:54:34,016 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 08:54:34,175 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 08:54:34,176 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1760624660] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 08:54:34,176 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-08 08:54:34,176 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 18 [2025-02-08 08:54:34,176 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1531933113] [2025-02-08 08:54:34,177 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-08 08:54:34,177 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2025-02-08 08:54:34,177 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 08:54:34,177 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2025-02-08 08:54:34,178 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=315, Unknown=0, NotChecked=0, Total=380 [2025-02-08 08:54:34,178 INFO L87 Difference]: Start difference. First operand 37 states and 39 transitions. Second operand has 20 states, 19 states have (on average 2.8421052631578947) internal successors, (54), 19 states have internal predecessors, (54), 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) [2025-02-08 08:54:34,351 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 08:54:34,351 INFO L93 Difference]: Finished difference Result 37 states and 39 transitions. [2025-02-08 08:54:34,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-02-08 08:54:34,356 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 2.8421052631578947) internal successors, (54), 19 states have internal predecessors, (54), 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 18 [2025-02-08 08:54:34,356 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 08:54:34,356 INFO L225 Difference]: With dead ends: 37 [2025-02-08 08:54:34,357 INFO L226 Difference]: Without dead ends: 36 [2025-02-08 08:54:34,357 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 87 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=95, Invalid=411, Unknown=0, NotChecked=0, Total=506 [2025-02-08 08:54:34,357 INFO L435 NwaCegarLoop]: 1 mSDtfsCounter, 4 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 186 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 1 SdHoareTripleChecker+Invalid, 187 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 186 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 08:54:34,357 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 1 Invalid, 187 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 186 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 08:54:34,358 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2025-02-08 08:54:34,364 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 36. [2025-02-08 08:54:34,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36 states, 34 states have (on average 1.0588235294117647) internal successors, (36), 35 states have internal predecessors, (36), 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) [2025-02-08 08:54:34,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 36 transitions. [2025-02-08 08:54:34,365 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 36 transitions. Word has length 18 [2025-02-08 08:54:34,365 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 08:54:34,365 INFO L471 AbstractCegarLoop]: Abstraction has 36 states and 36 transitions. [2025-02-08 08:54:34,365 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 2.8421052631578947) internal successors, (54), 19 states have internal predecessors, (54), 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) [2025-02-08 08:54:34,365 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 36 transitions. [2025-02-08 08:54:34,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2025-02-08 08:54:34,366 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 08:54:34,366 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 3, 1, 1] [2025-02-08 08:54:34,378 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2025-02-08 08:54:34,566 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2025-02-08 08:54:34,567 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-02-08 08:54:34,567 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 08:54:34,567 INFO L85 PathProgramCache]: Analyzing trace with hash 1951174382, now seen corresponding path program 1 times [2025-02-08 08:54:34,567 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 08:54:34,567 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1641773124] [2025-02-08 08:54:34,567 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 08:54:34,567 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 08:54:34,574 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 29 statements into 1 equivalence classes. [2025-02-08 08:54:34,582 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 29 of 29 statements. [2025-02-08 08:54:34,582 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 08:54:34,582 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 08:54:34,671 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 08:54:34,671 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 08:54:34,671 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1641773124] [2025-02-08 08:54:34,671 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1641773124] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 08:54:34,671 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1776785288] [2025-02-08 08:54:34,671 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 08:54:34,671 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 08:54:34,671 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 08:54:34,677 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 08:54:34,678 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2025-02-08 08:54:34,696 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 29 statements into 1 equivalence classes. [2025-02-08 08:54:34,703 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 29 of 29 statements. [2025-02-08 08:54:34,703 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 08:54:34,703 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 08:54:34,703 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-02-08 08:54:34,704 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 08:54:34,757 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 08:54:34,758 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 08:54:34,862 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 08:54:34,863 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1776785288] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 08:54:34,863 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-08 08:54:34,863 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 12 [2025-02-08 08:54:34,863 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [241280526] [2025-02-08 08:54:34,863 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-08 08:54:34,863 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2025-02-08 08:54:34,863 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 08:54:34,864 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2025-02-08 08:54:34,864 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=139, Unknown=0, NotChecked=0, Total=182 [2025-02-08 08:54:34,864 INFO L87 Difference]: Start difference. First operand 36 states and 36 transitions. Second operand has 14 states, 13 states have (on average 4.461538461538462) internal successors, (58), 13 states have internal predecessors, (58), 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) [2025-02-08 08:54:35,232 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 08:54:35,232 INFO L93 Difference]: Finished difference Result 69 states and 75 transitions. [2025-02-08 08:54:35,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2025-02-08 08:54:35,232 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 4.461538461538462) internal successors, (58), 13 states have internal predecessors, (58), 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 29 [2025-02-08 08:54:35,232 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 08:54:35,233 INFO L225 Difference]: With dead ends: 69 [2025-02-08 08:54:35,233 INFO L226 Difference]: Without dead ends: 67 [2025-02-08 08:54:35,233 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 261 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=253, Invalid=937, Unknown=0, NotChecked=0, Total=1190 [2025-02-08 08:54:35,234 INFO L435 NwaCegarLoop]: 4 mSDtfsCounter, 1 mSDsluCounter, 23 mSDsCounter, 0 mSdLazyCounter, 71 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 27 SdHoareTripleChecker+Invalid, 78 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 71 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 08:54:35,234 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 27 Invalid, 78 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 71 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 08:54:35,234 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2025-02-08 08:54:35,240 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 66. [2025-02-08 08:54:35,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66 states, 64 states have (on average 1.046875) internal successors, (67), 65 states have internal predecessors, (67), 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) [2025-02-08 08:54:35,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 67 transitions. [2025-02-08 08:54:35,243 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 67 transitions. Word has length 29 [2025-02-08 08:54:35,243 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 08:54:35,243 INFO L471 AbstractCegarLoop]: Abstraction has 66 states and 67 transitions. [2025-02-08 08:54:35,243 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 4.461538461538462) internal successors, (58), 13 states have internal predecessors, (58), 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) [2025-02-08 08:54:35,243 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 67 transitions. [2025-02-08 08:54:35,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2025-02-08 08:54:35,246 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 08:54:35,246 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 7, 7, 7, 1, 1] [2025-02-08 08:54:35,252 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2025-02-08 08:54:35,450 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2025-02-08 08:54:35,450 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-02-08 08:54:35,451 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 08:54:35,451 INFO L85 PathProgramCache]: Analyzing trace with hash 491816208, now seen corresponding path program 2 times [2025-02-08 08:54:35,451 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 08:54:35,451 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [235105825] [2025-02-08 08:54:35,451 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-08 08:54:35,451 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 08:54:35,457 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 55 statements into 2 equivalence classes. [2025-02-08 08:54:35,468 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 55 of 55 statements. [2025-02-08 08:54:35,469 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-08 08:54:35,469 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 08:54:35,632 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 0 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 08:54:35,633 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 08:54:35,633 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [235105825] [2025-02-08 08:54:35,633 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [235105825] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 08:54:35,633 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [900915696] [2025-02-08 08:54:35,633 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-08 08:54:35,633 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 08:54:35,633 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 08:54:35,635 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 08:54:35,636 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2025-02-08 08:54:35,653 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 55 statements into 2 equivalence classes. [2025-02-08 08:54:35,665 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 55 of 55 statements. [2025-02-08 08:54:35,665 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-08 08:54:35,665 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 08:54:35,666 INFO L256 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 13 conjuncts are in the unsatisfiable core [2025-02-08 08:54:35,667 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 08:54:35,717 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 0 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 08:54:35,717 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 08:54:35,945 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 0 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 08:54:35,945 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [900915696] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 08:54:35,945 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-08 08:54:35,945 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 12] total 24 [2025-02-08 08:54:35,945 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [602810982] [2025-02-08 08:54:35,945 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-08 08:54:35,945 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2025-02-08 08:54:35,945 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 08:54:35,946 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2025-02-08 08:54:35,946 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=133, Invalid=517, Unknown=0, NotChecked=0, Total=650 [2025-02-08 08:54:35,946 INFO L87 Difference]: Start difference. First operand 66 states and 67 transitions. Second operand has 26 states, 25 states have (on average 4.4) internal successors, (110), 25 states have internal predecessors, (110), 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) [2025-02-08 08:54:36,738 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 08:54:36,738 INFO L93 Difference]: Finished difference Result 122 states and 136 transitions. [2025-02-08 08:54:36,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2025-02-08 08:54:36,738 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 25 states have (on average 4.4) internal successors, (110), 25 states have internal predecessors, (110), 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 55 [2025-02-08 08:54:36,739 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 08:54:36,739 INFO L225 Difference]: With dead ends: 122 [2025-02-08 08:54:36,739 INFO L226 Difference]: Without dead ends: 120 [2025-02-08 08:54:36,741 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 164 GetRequests, 96 SyntacticMatches, 0 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1282 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=911, Invalid=3919, Unknown=0, NotChecked=0, Total=4830 [2025-02-08 08:54:36,742 INFO L435 NwaCegarLoop]: 4 mSDtfsCounter, 4 mSDsluCounter, 30 mSDsCounter, 0 mSdLazyCounter, 124 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 34 SdHoareTripleChecker+Invalid, 134 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 124 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-08 08:54:36,742 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 34 Invalid, 134 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 124 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-08 08:54:36,742 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2025-02-08 08:54:36,747 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 120. [2025-02-08 08:54:36,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 120 states, 118 states have (on average 1.0169491525423728) internal successors, (120), 119 states have internal predecessors, (120), 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) [2025-02-08 08:54:36,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 120 transitions. [2025-02-08 08:54:36,748 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 120 transitions. Word has length 55 [2025-02-08 08:54:36,748 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 08:54:36,748 INFO L471 AbstractCegarLoop]: Abstraction has 120 states and 120 transitions. [2025-02-08 08:54:36,749 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 25 states have (on average 4.4) internal successors, (110), 25 states have internal predecessors, (110), 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) [2025-02-08 08:54:36,749 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 120 transitions. [2025-02-08 08:54:36,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2025-02-08 08:54:36,750 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 08:54:36,751 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 16, 16, 16, 15, 1, 1] [2025-02-08 08:54:36,760 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2025-02-08 08:54:36,951 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,8 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 08:54:36,951 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-02-08 08:54:36,952 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 08:54:36,952 INFO L85 PathProgramCache]: Analyzing trace with hash -2081391826, now seen corresponding path program 2 times [2025-02-08 08:54:36,952 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 08:54:36,952 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [289993113] [2025-02-08 08:54:36,952 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-08 08:54:36,952 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 08:54:36,966 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 113 statements into 2 equivalence classes. [2025-02-08 08:54:36,993 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 113 of 113 statements. [2025-02-08 08:54:36,997 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-08 08:54:36,997 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 08:54:37,435 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 840 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 08:54:37,436 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 08:54:37,436 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [289993113] [2025-02-08 08:54:37,436 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [289993113] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 08:54:37,436 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [361810399] [2025-02-08 08:54:37,436 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-08 08:54:37,436 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 08:54:37,436 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 08:54:37,438 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 08:54:37,440 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2025-02-08 08:54:37,460 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 113 statements into 2 equivalence classes. [2025-02-08 08:54:37,481 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 113 of 113 statements. [2025-02-08 08:54:37,481 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-08 08:54:37,481 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 08:54:37,482 INFO L256 TraceCheckSpWp]: Trace formula consists of 246 conjuncts, 25 conjuncts are in the unsatisfiable core [2025-02-08 08:54:37,484 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 08:54:37,590 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 840 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 08:54:37,591 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 08:54:38,111 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 840 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 08:54:38,111 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [361810399] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 08:54:38,111 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-08 08:54:38,111 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 24, 24] total 48 [2025-02-08 08:54:38,111 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1648620203] [2025-02-08 08:54:38,112 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-08 08:54:38,112 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 50 states [2025-02-08 08:54:38,112 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 08:54:38,113 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 50 interpolants. [2025-02-08 08:54:38,114 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=457, Invalid=1993, Unknown=0, NotChecked=0, Total=2450 [2025-02-08 08:54:38,114 INFO L87 Difference]: Start difference. First operand 120 states and 120 transitions. Second operand has 50 states, 49 states have (on average 4.612244897959184) internal successors, (226), 49 states have internal predecessors, (226), 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) [2025-02-08 08:54:39,900 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 08:54:39,900 INFO L93 Difference]: Finished difference Result 237 states and 267 transitions. [2025-02-08 08:54:39,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 97 states. [2025-02-08 08:54:39,901 INFO L78 Accepts]: Start accepts. Automaton has has 50 states, 49 states have (on average 4.612244897959184) internal successors, (226), 49 states have internal predecessors, (226), 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 113 [2025-02-08 08:54:39,901 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 08:54:39,902 INFO L225 Difference]: With dead ends: 237 [2025-02-08 08:54:39,902 INFO L226 Difference]: Without dead ends: 235 [2025-02-08 08:54:39,909 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 341 GetRequests, 200 SyntacticMatches, 0 SemanticMatches, 141 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5985 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=3619, Invalid=16687, Unknown=0, NotChecked=0, Total=20306 [2025-02-08 08:54:39,910 INFO L435 NwaCegarLoop]: 4 mSDtfsCounter, 1 mSDsluCounter, 58 mSDsCounter, 0 mSdLazyCounter, 234 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 62 SdHoareTripleChecker+Invalid, 252 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 234 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-08 08:54:39,910 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 62 Invalid, 252 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 234 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-08 08:54:39,911 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 235 states. [2025-02-08 08:54:39,923 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 235 to 234. [2025-02-08 08:54:39,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 234 states, 232 states have (on average 1.0129310344827587) internal successors, (235), 233 states have internal predecessors, (235), 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) [2025-02-08 08:54:39,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 234 states and 235 transitions. [2025-02-08 08:54:39,924 INFO L78 Accepts]: Start accepts. Automaton has 234 states and 235 transitions. Word has length 113 [2025-02-08 08:54:39,924 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 08:54:39,925 INFO L471 AbstractCegarLoop]: Abstraction has 234 states and 235 transitions. [2025-02-08 08:54:39,925 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 50 states, 49 states have (on average 4.612244897959184) internal successors, (226), 49 states have internal predecessors, (226), 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) [2025-02-08 08:54:39,925 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 235 transitions. [2025-02-08 08:54:39,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2025-02-08 08:54:39,927 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 08:54:39,927 INFO L218 NwaCegarLoop]: trace histogram [32, 32, 32, 32, 31, 31, 31, 1, 1] [2025-02-08 08:54:39,935 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2025-02-08 08:54:40,127 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2025-02-08 08:54:40,128 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-02-08 08:54:40,128 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 08:54:40,129 INFO L85 PathProgramCache]: Analyzing trace with hash -115860080, now seen corresponding path program 3 times [2025-02-08 08:54:40,129 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 08:54:40,129 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [769577136] [2025-02-08 08:54:40,129 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-02-08 08:54:40,129 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 08:54:40,150 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 223 statements into 32 equivalence classes. [2025-02-08 08:54:40,167 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) and asserted 55 of 223 statements. [2025-02-08 08:54:40,167 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) [2025-02-08 08:54:40,167 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 08:54:40,460 INFO L134 CoverageAnalysis]: Checked inductivity of 3410 backedges. 1156 proven. 129 refuted. 0 times theorem prover too weak. 2125 trivial. 0 not checked. [2025-02-08 08:54:40,460 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 08:54:40,460 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [769577136] [2025-02-08 08:54:40,460 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [769577136] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 08:54:40,460 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [531299474] [2025-02-08 08:54:40,460 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-02-08 08:54:40,461 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 08:54:40,461 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 08:54:40,462 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 08:54:40,464 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2025-02-08 08:54:40,493 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 223 statements into 32 equivalence classes. [2025-02-08 08:54:40,505 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) and asserted 55 of 223 statements. [2025-02-08 08:54:40,505 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) [2025-02-08 08:54:40,505 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 08:54:40,506 INFO L256 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 24 conjuncts are in the unsatisfiable core [2025-02-08 08:54:40,513 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 08:54:40,772 INFO L134 CoverageAnalysis]: Checked inductivity of 3410 backedges. 1156 proven. 129 refuted. 0 times theorem prover too weak. 2125 trivial. 0 not checked. [2025-02-08 08:54:40,772 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 08:54:41,437 INFO L134 CoverageAnalysis]: Checked inductivity of 3410 backedges. 1156 proven. 129 refuted. 0 times theorem prover too weak. 2125 trivial. 0 not checked. [2025-02-08 08:54:41,437 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [531299474] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 08:54:41,437 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-08 08:54:41,437 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 18, 18] total 40 [2025-02-08 08:54:41,437 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [424126306] [2025-02-08 08:54:41,438 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-08 08:54:41,438 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 41 states [2025-02-08 08:54:41,438 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 08:54:41,439 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants. [2025-02-08 08:54:41,439 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=117, Invalid=1523, Unknown=0, NotChecked=0, Total=1640 [2025-02-08 08:54:41,440 INFO L87 Difference]: Start difference. First operand 234 states and 235 transitions. Second operand has 41 states, 40 states have (on average 2.825) internal successors, (113), 41 states have internal predecessors, (113), 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) [2025-02-08 08:54:42,969 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 08:54:42,969 INFO L93 Difference]: Finished difference Result 234 states and 235 transitions. [2025-02-08 08:54:42,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2025-02-08 08:54:42,970 INFO L78 Accepts]: Start accepts. Automaton has has 41 states, 40 states have (on average 2.825) internal successors, (113), 41 states have internal predecessors, (113), 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 223 [2025-02-08 08:54:42,970 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 08:54:42,971 INFO L225 Difference]: With dead ends: 234 [2025-02-08 08:54:42,971 INFO L226 Difference]: Without dead ends: 233 [2025-02-08 08:54:42,972 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 489 GetRequests, 423 SyntacticMatches, 0 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 686 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=641, Invalid=3915, Unknown=0, NotChecked=0, Total=4556 [2025-02-08 08:54:42,973 INFO L435 NwaCegarLoop]: 1 mSDtfsCounter, 43 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 837 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 1 SdHoareTripleChecker+Invalid, 878 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 837 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-02-08 08:54:42,973 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [43 Valid, 1 Invalid, 878 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 837 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-02-08 08:54:42,973 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 233 states. [2025-02-08 08:54:42,984 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 233 to 233. [2025-02-08 08:54:42,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 233 states, 232 states have (on average 1.0043103448275863) internal successors, (233), 232 states have internal predecessors, (233), 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) [2025-02-08 08:54:42,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 233 states and 233 transitions. [2025-02-08 08:54:42,985 INFO L78 Accepts]: Start accepts. Automaton has 233 states and 233 transitions. Word has length 223 [2025-02-08 08:54:42,985 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 08:54:42,985 INFO L471 AbstractCegarLoop]: Abstraction has 233 states and 233 transitions. [2025-02-08 08:54:42,986 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 41 states, 40 states have (on average 2.825) internal successors, (113), 41 states have internal predecessors, (113), 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) [2025-02-08 08:54:42,986 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 233 transitions. [2025-02-08 08:54:42,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2025-02-08 08:54:42,987 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 08:54:42,987 INFO L218 NwaCegarLoop]: trace histogram [33, 33, 33, 33, 33, 33, 32, 1, 1] [2025-02-08 08:54:42,994 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2025-02-08 08:54:43,191 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15,10 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 08:54:43,191 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-02-08 08:54:43,191 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 08:54:43,191 INFO L85 PathProgramCache]: Analyzing trace with hash 1885705115, now seen corresponding path program 3 times [2025-02-08 08:54:43,191 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 08:54:43,191 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1397926879] [2025-02-08 08:54:43,192 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-02-08 08:54:43,192 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 08:54:43,199 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 232 statements into 33 equivalence classes. [2025-02-08 08:54:43,209 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 12 check-sat command(s) and asserted 85 of 232 statements. [2025-02-08 08:54:43,210 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 12 check-sat command(s) [2025-02-08 08:54:43,210 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 08:54:43,832 INFO L134 CoverageAnalysis]: Checked inductivity of 3696 backedges. 1596 proven. 306 refuted. 0 times theorem prover too weak. 1794 trivial. 0 not checked. [2025-02-08 08:54:43,833 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 08:54:43,833 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1397926879] [2025-02-08 08:54:43,833 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1397926879] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 08:54:43,833 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1038470318] [2025-02-08 08:54:43,833 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-02-08 08:54:43,833 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 08:54:43,833 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 08:54:43,835 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 08:54:43,836 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2025-02-08 08:54:43,865 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 232 statements into 33 equivalence classes. [2025-02-08 08:54:43,883 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 12 check-sat command(s) and asserted 85 of 232 statements. [2025-02-08 08:54:43,883 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 12 check-sat command(s) [2025-02-08 08:54:43,883 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 08:54:43,884 INFO L256 TraceCheckSpWp]: Trace formula consists of 186 conjuncts, 34 conjuncts are in the unsatisfiable core [2025-02-08 08:54:43,887 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 08:54:44,139 INFO L134 CoverageAnalysis]: Checked inductivity of 3696 backedges. 1596 proven. 306 refuted. 0 times theorem prover too weak. 1794 trivial. 0 not checked. [2025-02-08 08:54:44,142 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 08:54:45,202 INFO L134 CoverageAnalysis]: Checked inductivity of 3696 backedges. 1596 proven. 306 refuted. 0 times theorem prover too weak. 1794 trivial. 0 not checked. [2025-02-08 08:54:45,202 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1038470318] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 08:54:45,202 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-08 08:54:45,202 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 26, 26] total 57 [2025-02-08 08:54:45,202 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1825658911] [2025-02-08 08:54:45,202 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-08 08:54:45,203 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 58 states [2025-02-08 08:54:45,203 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 08:54:45,203 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 58 interpolants. [2025-02-08 08:54:45,204 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=163, Invalid=3143, Unknown=0, NotChecked=0, Total=3306 [2025-02-08 08:54:45,204 INFO L87 Difference]: Start difference. First operand 233 states and 233 transitions. Second operand has 58 states, 57 states have (on average 2.8596491228070176) internal successors, (163), 58 states have internal predecessors, (163), 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) [2025-02-08 08:54:48,308 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 08:54:48,309 INFO L93 Difference]: Finished difference Result 233 states and 233 transitions. [2025-02-08 08:54:48,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2025-02-08 08:54:48,309 INFO L78 Accepts]: Start accepts. Automaton has has 58 states, 57 states have (on average 2.8596491228070176) internal successors, (163), 58 states have internal predecessors, (163), 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 232 [2025-02-08 08:54:48,310 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 08:54:48,314 INFO L225 Difference]: With dead ends: 233 [2025-02-08 08:54:48,314 INFO L226 Difference]: Without dead ends: 0 [2025-02-08 08:54:48,316 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 528 GetRequests, 432 SyntacticMatches, 0 SemanticMatches, 96 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1369 ImplicationChecksByTransitivity, 3.6s TimeCoverageRelationStatistics Valid=1248, Invalid=8258, Unknown=0, NotChecked=0, Total=9506 [2025-02-08 08:54:48,316 INFO L435 NwaCegarLoop]: 1 mSDtfsCounter, 93 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1813 mSolverCounterSat, 74 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 93 SdHoareTripleChecker+Valid, 1 SdHoareTripleChecker+Invalid, 1887 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 74 IncrementalHoareTripleChecker+Valid, 1813 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2025-02-08 08:54:48,316 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [93 Valid, 1 Invalid, 1887 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [74 Valid, 1813 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2025-02-08 08:54:48,317 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2025-02-08 08:54:48,318 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2025-02-08 08:54:48,318 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) [2025-02-08 08:54:48,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2025-02-08 08:54:48,318 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 232 [2025-02-08 08:54:48,318 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 08:54:48,318 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-02-08 08:54:48,318 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 58 states, 57 states have (on average 2.8596491228070176) internal successors, (163), 58 states have internal predecessors, (163), 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) [2025-02-08 08:54:48,318 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2025-02-08 08:54:48,319 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2025-02-08 08:54:48,324 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 6 remaining) [2025-02-08 08:54:48,324 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 6 remaining) [2025-02-08 08:54:48,324 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 6 remaining) [2025-02-08 08:54:48,324 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 6 remaining) [2025-02-08 08:54:48,324 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 6 remaining) [2025-02-08 08:54:48,324 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 6 remaining) [2025-02-08 08:54:48,330 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2025-02-08 08:54:48,529 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2025-02-08 08:54:48,531 INFO L422 BasicCegarLoop]: Path program histogram: [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 08:54:48,533 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2025-02-08 08:54:49,250 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-02-08 08:54:49,264 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.02 08:54:49 BoogieIcfgContainer [2025-02-08 08:54:49,265 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-02-08 08:54:49,265 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-02-08 08:54:49,266 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-02-08 08:54:49,266 INFO L274 PluginConnector]: Witness Printer initialized [2025-02-08 08:54:49,266 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 08:54:31" (3/4) ... [2025-02-08 08:54:49,268 INFO L146 WitnessPrinter]: Generating witness for correct program [2025-02-08 08:54:49,275 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2025-02-08 08:54:49,275 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2025-02-08 08:54:49,275 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2025-02-08 08:54:49,334 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-02-08 08:54:49,334 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.yml [2025-02-08 08:54:49,334 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-02-08 08:54:49,335 INFO L158 Benchmark]: Toolchain (without parser) took 18400.98ms. Allocated memory was 142.6MB in the beginning and 436.2MB in the end (delta: 293.6MB). Free memory was 105.2MB in the beginning and 306.1MB in the end (delta: -200.9MB). Peak memory consumption was 92.9MB. Max. memory is 16.1GB. [2025-02-08 08:54:49,335 INFO L158 Benchmark]: CDTParser took 1.30ms. Allocated memory is still 201.3MB. Free memory is still 126.2MB. There was no memory consumed. Max. memory is 16.1GB. [2025-02-08 08:54:49,336 INFO L158 Benchmark]: CACSL2BoogieTranslator took 105.92ms. Allocated memory is still 142.6MB. Free memory was 105.2MB in the beginning and 95.8MB in the end (delta: 9.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-08 08:54:49,336 INFO L158 Benchmark]: Boogie Procedure Inliner took 13.60ms. Allocated memory is still 142.6MB. Free memory was 95.8MB in the beginning and 94.7MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-08 08:54:49,336 INFO L158 Benchmark]: Boogie Preprocessor took 10.81ms. Allocated memory is still 142.6MB. Free memory was 94.7MB in the beginning and 93.7MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-08 08:54:49,336 INFO L158 Benchmark]: IcfgBuilder took 156.91ms. Allocated memory is still 142.6MB. Free memory was 93.7MB in the beginning and 83.2MB in the end (delta: 10.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-02-08 08:54:49,336 INFO L158 Benchmark]: TraceAbstraction took 18040.30ms. Allocated memory was 142.6MB in the beginning and 436.2MB in the end (delta: 293.6MB). Free memory was 83.2MB in the beginning and 310.3MB in the end (delta: -227.2MB). Peak memory consumption was 180.3MB. Max. memory is 16.1GB. [2025-02-08 08:54:49,337 INFO L158 Benchmark]: Witness Printer took 68.68ms. Allocated memory is still 436.2MB. Free memory was 310.3MB in the beginning and 306.1MB in the end (delta: 4.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-08 08:54:49,339 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.30ms. Allocated memory is still 201.3MB. Free memory is still 126.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 105.92ms. Allocated memory is still 142.6MB. Free memory was 105.2MB in the beginning and 95.8MB in the end (delta: 9.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 13.60ms. Allocated memory is still 142.6MB. Free memory was 95.8MB in the beginning and 94.7MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 10.81ms. Allocated memory is still 142.6MB. Free memory was 94.7MB in the beginning and 93.7MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 156.91ms. Allocated memory is still 142.6MB. Free memory was 93.7MB in the beginning and 83.2MB in the end (delta: 10.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 18040.30ms. Allocated memory was 142.6MB in the beginning and 436.2MB in the end (delta: 293.6MB). Free memory was 83.2MB in the beginning and 310.3MB in the end (delta: -227.2MB). Peak memory consumption was 180.3MB. Max. memory is 16.1GB. * Witness Printer took 68.68ms. Allocated memory is still 436.2MB. Free memory was 310.3MB in the beginning and 306.1MB in the end (delta: 4.2MB). 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 - PositiveResult [Line: 26]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 26]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 25]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 25]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 23]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 23]: 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, 16 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 17.3s, OverallIterations: 17, TraceHistogramMax: 33, PathProgramHistogramMax: 3, EmptinessCheckTime: 0.0s, AutomataDifference: 8.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 187 SdHoareTripleChecker+Valid, 1.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 187 mSDsluCounter, 350 SdHoareTripleChecker+Invalid, 1.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 241 mSDsCounter, 164 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3585 IncrementalHoareTripleChecker+Invalid, 3749 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 164 mSolverCounterUnsat, 109 mSDtfsCounter, 3585 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1781 GetRequests, 1296 SyntacticMatches, 0 SemanticMatches, 485 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9764 ImplicationChecksByTransitivity, 9.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=234occurred in iteration=15, InterpolantAutomatonStates: 320, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 17 MinimizatonAttempts, 20 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 6.1s InterpolantComputationTime, 1481 NumberOfCodeBlocks, 851 NumberOfCodeBlocksAsserted, 69 NumberOfCheckSat, 2162 ConstructedInterpolants, 0 QuantifiedInterpolants, 6704 SizeOfPredicates, 7 NumberOfNonLiveVariables, 901 ConjunctsInSsa, 131 ConjunctsInUnsatCore, 37 InterpolantComputations, 7 PerfectInterpolantSequences, 20020/24601 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 6 specifications checked. All of them hold - InvariantResult [Line: 22]: Location Invariant Derived location invariant: (((((d2 == 74) && (x <= 2147483647)) && (d1 == 73)) || ((((d2 == 74) && (d1 == 75)) && (0 <= ((long) x + 73))) && (x <= 2147483574))) || ((((((((d2 <= 2147483647) && (75 <= d1)) && (d1 <= 2147483645)) && (x <= 2147483499)) && (1 <= ((long) d2 + x))) && ((((long) d2 * 4) + ((long) 3 * x)) <= 8589934576)) && (74 <= d2)) && (((long) d2 + x) <= 2147483648))) RESULT: Ultimate proved your program to be correct! [2025-02-08 08:54:49,354 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE