./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/termination-restricted-15/LogAG.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version e2fb8bed Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/termination-restricted-15/LogAG.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 68bdf78f6f996480ccfcf11b22cc3b7892db15596cae3edf06123d71c4506b1f --- Real Ultimate output --- This is Ultimate 0.3.0-?-e2fb8be-m [2025-03-09 01:47:17,377 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-09 01:47:17,419 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf [2025-03-09 01:47:17,426 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-09 01:47:17,426 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-09 01:47:17,447 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-09 01:47:17,448 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-09 01:47:17,448 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-09 01:47:17,448 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-09 01:47:17,448 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-09 01:47:17,448 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-09 01:47:17,448 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-09 01:47:17,448 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-09 01:47:17,449 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-09 01:47:17,449 INFO L153 SettingsManager]: * Use SBE=true [2025-03-09 01:47:17,449 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-09 01:47:17,449 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-09 01:47:17,449 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-09 01:47:17,449 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-09 01:47:17,449 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-09 01:47:17,449 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-09 01:47:17,449 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-09 01:47:17,449 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2025-03-09 01:47:17,449 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-03-09 01:47:17,449 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-09 01:47:17,449 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-09 01:47:17,449 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-09 01:47:17,449 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-09 01:47:17,449 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-09 01:47:17,449 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-09 01:47:17,450 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-09 01:47:17,450 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-09 01:47:17,450 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-09 01:47:17,450 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-09 01:47:17,450 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-09 01:47:17,450 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-09 01:47:17,450 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-09 01:47:17,450 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-09 01:47:17,450 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-09 01:47:17,450 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-09 01:47:17,450 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-09 01:47:17,450 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-09 01:47:17,450 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 68bdf78f6f996480ccfcf11b22cc3b7892db15596cae3edf06123d71c4506b1f [2025-03-09 01:47:17,666 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-09 01:47:17,671 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-09 01:47:17,674 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-09 01:47:17,674 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-09 01:47:17,674 INFO L274 PluginConnector]: CDTParser initialized [2025-03-09 01:47:17,676 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-restricted-15/LogAG.c [2025-03-09 01:47:18,774 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/271084ab5/0016bbfca6fe43d9b5f4219a44da5cda/FLAGee0beec5f [2025-03-09 01:47:18,970 INFO L384 CDTParser]: Found 1 translation units. [2025-03-09 01:47:18,971 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-restricted-15/LogAG.c [2025-03-09 01:47:18,994 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/271084ab5/0016bbfca6fe43d9b5f4219a44da5cda/FLAGee0beec5f [2025-03-09 01:47:19,330 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/271084ab5/0016bbfca6fe43d9b5f4219a44da5cda [2025-03-09 01:47:19,331 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-09 01:47:19,332 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-09 01:47:19,333 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-09 01:47:19,333 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-09 01:47:19,336 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-09 01:47:19,336 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.03 01:47:19" (1/1) ... [2025-03-09 01:47:19,337 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2e3f5dff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 01:47:19, skipping insertion in model container [2025-03-09 01:47:19,337 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.03 01:47:19" (1/1) ... [2025-03-09 01:47:19,350 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-09 01:47:19,440 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-09 01:47:19,444 INFO L200 MainTranslator]: Completed pre-run [2025-03-09 01:47:19,451 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-09 01:47:19,461 INFO L204 MainTranslator]: Completed translation [2025-03-09 01:47:19,461 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 01:47:19 WrapperNode [2025-03-09 01:47:19,461 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-09 01:47:19,462 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-09 01:47:19,462 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-09 01:47:19,462 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-09 01:47:19,467 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 01:47:19" (1/1) ... [2025-03-09 01:47:19,470 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 01:47:19" (1/1) ... [2025-03-09 01:47:19,479 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 31 [2025-03-09 01:47:19,480 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-09 01:47:19,481 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-09 01:47:19,481 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-09 01:47:19,481 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-09 01:47:19,485 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 01:47:19" (1/1) ... [2025-03-09 01:47:19,486 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 01:47:19" (1/1) ... [2025-03-09 01:47:19,486 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 01:47:19" (1/1) ... [2025-03-09 01:47:19,489 INFO L175 MemorySlicer]: No memory access in input program. [2025-03-09 01:47:19,492 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 01:47:19" (1/1) ... [2025-03-09 01:47:19,492 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 01:47:19" (1/1) ... [2025-03-09 01:47:19,493 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 01:47:19" (1/1) ... [2025-03-09 01:47:19,493 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 01:47:19" (1/1) ... [2025-03-09 01:47:19,494 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 01:47:19" (1/1) ... [2025-03-09 01:47:19,494 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 01:47:19" (1/1) ... [2025-03-09 01:47:19,495 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-09 01:47:19,495 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-09 01:47:19,495 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-09 01:47:19,495 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-09 01:47:19,497 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 01:47:19" (1/1) ... [2025-03-09 01:47:19,501 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-09 01:47:19,510 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 01:47:19,523 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-03-09 01:47:19,525 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-03-09 01:47:19,546 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-09 01:47:19,546 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-09 01:47:19,591 INFO L256 CfgBuilder]: Building ICFG [2025-03-09 01:47:19,592 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-09 01:47:19,665 INFO L? ?]: Removed 15 outVars from TransFormulas that were not future-live. [2025-03-09 01:47:19,665 INFO L307 CfgBuilder]: Performing block encoding [2025-03-09 01:47:19,671 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-09 01:47:19,671 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-09 01:47:19,671 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 09.03 01:47:19 BoogieIcfgContainer [2025-03-09 01:47:19,671 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-09 01:47:19,673 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-09 01:47:19,673 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-09 01:47:19,677 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-09 01:47:19,677 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.03 01:47:19" (1/3) ... [2025-03-09 01:47:19,677 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e986e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.03 01:47:19, skipping insertion in model container [2025-03-09 01:47:19,677 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 01:47:19" (2/3) ... [2025-03-09 01:47:19,677 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e986e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.03 01:47:19, skipping insertion in model container [2025-03-09 01:47:19,677 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 09.03 01:47:19" (3/3) ... [2025-03-09 01:47:19,678 INFO L128 eAbstractionObserver]: Analyzing ICFG LogAG.c [2025-03-09 01:47:19,688 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-09 01:47:19,689 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG LogAG.c that has 1 procedures, 27 locations, 1 initial locations, 2 loop locations, and 10 error locations. [2025-03-09 01:47:19,723 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-09 01:47:19,732 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;@3036dde2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-09 01:47:19,732 INFO L334 AbstractCegarLoop]: Starting to check reachability of 10 error locations. [2025-03-09 01:47:19,737 INFO L276 IsEmpty]: Start isEmpty. Operand has 27 states, 16 states have (on average 1.75) internal successors, (28), 26 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) [2025-03-09 01:47:19,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2025-03-09 01:47:19,740 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 01:47:19,741 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2025-03-09 01:47:19,741 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2025-03-09 01:47:19,745 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 01:47:19,746 INFO L85 PathProgramCache]: Analyzing trace with hash 1753663, now seen corresponding path program 1 times [2025-03-09 01:47:19,751 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 01:47:19,752 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2005441981] [2025-03-09 01:47:19,753 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 01:47:19,753 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 01:47:19,798 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-03-09 01:47:19,801 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-03-09 01:47:19,801 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 01:47:19,802 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 01:47:19,852 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 01:47:19,857 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 01:47:19,857 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2005441981] [2025-03-09 01:47:19,857 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2005441981] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 01:47:19,858 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 01:47:19,858 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-09 01:47:19,859 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [160164449] [2025-03-09 01:47:19,861 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 01:47:19,863 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-09 01:47:19,863 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 01:47:19,876 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-09 01:47:19,877 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-09 01:47:19,879 INFO L87 Difference]: Start difference. First operand has 27 states, 16 states have (on average 1.75) internal successors, (28), 26 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) Second operand has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-09 01:47:19,906 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 01:47:19,907 INFO L93 Difference]: Finished difference Result 27 states and 28 transitions. [2025-03-09 01:47:19,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-09 01:47:19,909 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2025-03-09 01:47:19,909 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 01:47:19,913 INFO L225 Difference]: With dead ends: 27 [2025-03-09 01:47:19,913 INFO L226 Difference]: Without dead ends: 23 [2025-03-09 01:47:19,915 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-09 01:47:19,918 INFO L435 NwaCegarLoop]: 24 mSDtfsCounter, 1 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 43 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 [2025-03-09 01:47:19,919 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 43 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-09 01:47:19,929 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2025-03-09 01:47:19,937 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 23. [2025-03-09 01:47:19,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23 states, 14 states have (on average 1.7142857142857142) internal successors, (24), 22 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-09 01:47:19,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 24 transitions. [2025-03-09 01:47:19,944 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 24 transitions. Word has length 4 [2025-03-09 01:47:19,945 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 01:47:19,945 INFO L471 AbstractCegarLoop]: Abstraction has 23 states and 24 transitions. [2025-03-09 01:47:19,945 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-09 01:47:19,945 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 24 transitions. [2025-03-09 01:47:19,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2025-03-09 01:47:19,946 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 01:47:19,946 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2025-03-09 01:47:19,947 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-03-09 01:47:19,947 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2025-03-09 01:47:19,947 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 01:47:19,947 INFO L85 PathProgramCache]: Analyzing trace with hash 54363544, now seen corresponding path program 1 times [2025-03-09 01:47:19,947 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 01:47:19,948 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1719513415] [2025-03-09 01:47:19,948 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 01:47:19,948 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 01:47:19,951 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 5 statements into 1 equivalence classes. [2025-03-09 01:47:19,955 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 5 of 5 statements. [2025-03-09 01:47:19,955 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 01:47:19,955 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 01:47:19,972 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 01:47:19,973 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 01:47:19,973 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1719513415] [2025-03-09 01:47:19,973 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1719513415] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 01:47:19,973 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 01:47:19,973 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-09 01:47:19,974 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2113968895] [2025-03-09 01:47:19,974 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 01:47:19,975 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-09 01:47:19,975 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 01:47:19,975 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-09 01:47:19,975 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-09 01:47:19,975 INFO L87 Difference]: Start difference. First operand 23 states and 24 transitions. Second operand has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-09 01:47:19,987 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 01:47:19,988 INFO L93 Difference]: Finished difference Result 23 states and 24 transitions. [2025-03-09 01:47:19,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-09 01:47:19,989 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2025-03-09 01:47:19,989 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 01:47:19,989 INFO L225 Difference]: With dead ends: 23 [2025-03-09 01:47:19,989 INFO L226 Difference]: Without dead ends: 22 [2025-03-09 01:47:19,989 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-09 01:47:19,990 INFO L435 NwaCegarLoop]: 20 mSDtfsCounter, 4 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 34 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-09 01:47:19,991 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 34 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-09 01:47:19,992 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states. [2025-03-09 01:47:19,993 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 22. [2025-03-09 01:47:19,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 14 states have (on average 1.6428571428571428) internal successors, (23), 21 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) [2025-03-09 01:47:19,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 23 transitions. [2025-03-09 01:47:19,995 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 23 transitions. Word has length 5 [2025-03-09 01:47:19,995 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 01:47:19,995 INFO L471 AbstractCegarLoop]: Abstraction has 22 states and 23 transitions. [2025-03-09 01:47:19,995 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-09 01:47:19,995 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 23 transitions. [2025-03-09 01:47:19,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2025-03-09 01:47:19,996 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 01:47:19,996 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2025-03-09 01:47:19,996 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-03-09 01:47:19,996 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2025-03-09 01:47:19,996 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 01:47:19,997 INFO L85 PathProgramCache]: Analyzing trace with hash 703757878, now seen corresponding path program 1 times [2025-03-09 01:47:19,997 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 01:47:19,997 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1262005055] [2025-03-09 01:47:19,997 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 01:47:19,997 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 01:47:20,001 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-03-09 01:47:20,009 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-03-09 01:47:20,010 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 01:47:20,010 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 01:47:20,029 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 01:47:20,029 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 01:47:20,029 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1262005055] [2025-03-09 01:47:20,030 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1262005055] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 01:47:20,030 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 01:47:20,030 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-09 01:47:20,030 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [922757577] [2025-03-09 01:47:20,030 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 01:47:20,030 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-09 01:47:20,030 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 01:47:20,031 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-09 01:47:20,031 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-09 01:47:20,031 INFO L87 Difference]: Start difference. First operand 22 states and 23 transitions. Second operand has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-09 01:47:20,045 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 01:47:20,045 INFO L93 Difference]: Finished difference Result 22 states and 23 transitions. [2025-03-09 01:47:20,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-09 01:47:20,046 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2025-03-09 01:47:20,046 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 01:47:20,046 INFO L225 Difference]: With dead ends: 22 [2025-03-09 01:47:20,046 INFO L226 Difference]: Without dead ends: 21 [2025-03-09 01:47:20,046 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-09 01:47:20,047 INFO L435 NwaCegarLoop]: 19 mSDtfsCounter, 1 mSDsluCounter, 11 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 30 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-09 01:47:20,047 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 30 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-09 01:47:20,048 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2025-03-09 01:47:20,054 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21. [2025-03-09 01:47:20,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21 states, 14 states have (on average 1.5714285714285714) internal successors, (22), 20 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-09 01:47:20,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 22 transitions. [2025-03-09 01:47:20,055 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 22 transitions. Word has length 7 [2025-03-09 01:47:20,055 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 01:47:20,055 INFO L471 AbstractCegarLoop]: Abstraction has 21 states and 22 transitions. [2025-03-09 01:47:20,055 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-09 01:47:20,055 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 22 transitions. [2025-03-09 01:47:20,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2025-03-09 01:47:20,055 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 01:47:20,055 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2025-03-09 01:47:20,055 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-03-09 01:47:20,055 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2025-03-09 01:47:20,056 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 01:47:20,056 INFO L85 PathProgramCache]: Analyzing trace with hash 703757901, now seen corresponding path program 1 times [2025-03-09 01:47:20,056 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 01:47:20,056 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [725554988] [2025-03-09 01:47:20,056 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 01:47:20,056 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 01:47:20,059 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-03-09 01:47:20,065 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-03-09 01:47:20,065 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 01:47:20,065 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 01:47:20,092 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 01:47:20,092 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 01:47:20,092 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [725554988] [2025-03-09 01:47:20,092 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [725554988] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 01:47:20,093 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 01:47:20,093 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-09 01:47:20,093 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1686081091] [2025-03-09 01:47:20,093 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 01:47:20,093 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-09 01:47:20,093 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 01:47:20,093 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-09 01:47:20,094 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-09 01:47:20,094 INFO L87 Difference]: Start difference. First operand 21 states and 22 transitions. Second operand has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-09 01:47:20,120 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 01:47:20,120 INFO L93 Difference]: Finished difference Result 25 states and 28 transitions. [2025-03-09 01:47:20,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-09 01:47:20,122 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2025-03-09 01:47:20,122 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 01:47:20,123 INFO L225 Difference]: With dead ends: 25 [2025-03-09 01:47:20,123 INFO L226 Difference]: Without dead ends: 24 [2025-03-09 01:47:20,123 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 [2025-03-09 01:47:20,123 INFO L435 NwaCegarLoop]: 12 mSDtfsCounter, 3 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 32 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-09 01:47:20,123 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 32 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-09 01:47:20,124 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states. [2025-03-09 01:47:20,125 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 23. [2025-03-09 01:47:20,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23 states, 16 states have (on average 1.5625) internal successors, (25), 22 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-09 01:47:20,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 25 transitions. [2025-03-09 01:47:20,126 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 25 transitions. Word has length 7 [2025-03-09 01:47:20,126 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 01:47:20,126 INFO L471 AbstractCegarLoop]: Abstraction has 23 states and 25 transitions. [2025-03-09 01:47:20,126 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-09 01:47:20,126 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 25 transitions. [2025-03-09 01:47:20,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2025-03-09 01:47:20,126 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 01:47:20,126 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 01:47:20,126 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-03-09 01:47:20,127 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2025-03-09 01:47:20,127 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 01:47:20,127 INFO L85 PathProgramCache]: Analyzing trace with hash 341657723, now seen corresponding path program 1 times [2025-03-09 01:47:20,127 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 01:47:20,127 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [845641192] [2025-03-09 01:47:20,127 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 01:47:20,127 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 01:47:20,130 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 8 statements into 1 equivalence classes. [2025-03-09 01:47:20,131 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-03-09 01:47:20,131 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 01:47:20,131 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 01:47:20,152 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 01:47:20,152 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 01:47:20,153 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [845641192] [2025-03-09 01:47:20,153 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [845641192] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 01:47:20,153 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 01:47:20,153 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-09 01:47:20,153 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1225809263] [2025-03-09 01:47:20,153 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 01:47:20,153 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-09 01:47:20,153 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 01:47:20,153 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-09 01:47:20,153 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-09 01:47:20,153 INFO L87 Difference]: Start difference. First operand 23 states and 25 transitions. Second operand has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-09 01:47:20,178 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 01:47:20,179 INFO L93 Difference]: Finished difference Result 23 states and 25 transitions. [2025-03-09 01:47:20,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-09 01:47:20,180 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2025-03-09 01:47:20,180 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 01:47:20,180 INFO L225 Difference]: With dead ends: 23 [2025-03-09 01:47:20,180 INFO L226 Difference]: Without dead ends: 21 [2025-03-09 01:47:20,181 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 [2025-03-09 01:47:20,181 INFO L435 NwaCegarLoop]: 10 mSDtfsCounter, 10 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 20 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-09 01:47:20,182 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 20 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-09 01:47:20,183 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2025-03-09 01:47:20,184 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21. [2025-03-09 01:47:20,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21 states, 16 states have (on average 1.4375) internal successors, (23), 20 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) [2025-03-09 01:47:20,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 23 transitions. [2025-03-09 01:47:20,187 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 23 transitions. Word has length 8 [2025-03-09 01:47:20,187 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 01:47:20,187 INFO L471 AbstractCegarLoop]: Abstraction has 21 states and 23 transitions. [2025-03-09 01:47:20,187 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-09 01:47:20,187 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 23 transitions. [2025-03-09 01:47:20,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2025-03-09 01:47:20,187 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 01:47:20,187 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 01:47:20,187 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-03-09 01:47:20,187 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2025-03-09 01:47:20,188 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 01:47:20,188 INFO L85 PathProgramCache]: Analyzing trace with hash 2001454804, now seen corresponding path program 1 times [2025-03-09 01:47:20,188 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 01:47:20,188 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1238390582] [2025-03-09 01:47:20,188 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 01:47:20,188 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 01:47:20,191 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 9 statements into 1 equivalence classes. [2025-03-09 01:47:20,193 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 9 of 9 statements. [2025-03-09 01:47:20,193 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 01:47:20,193 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 01:47:20,216 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 01:47:20,216 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 01:47:20,216 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1238390582] [2025-03-09 01:47:20,217 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1238390582] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 01:47:20,217 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 01:47:20,217 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-09 01:47:20,217 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [928897712] [2025-03-09 01:47:20,217 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 01:47:20,217 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-09 01:47:20,217 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 01:47:20,218 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-09 01:47:20,218 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-09 01:47:20,218 INFO L87 Difference]: Start difference. First operand 21 states and 23 transitions. Second operand has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-09 01:47:20,229 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 01:47:20,230 INFO L93 Difference]: Finished difference Result 24 states and 26 transitions. [2025-03-09 01:47:20,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-09 01:47:20,230 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 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 9 [2025-03-09 01:47:20,230 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 01:47:20,230 INFO L225 Difference]: With dead ends: 24 [2025-03-09 01:47:20,230 INFO L226 Difference]: Without dead ends: 23 [2025-03-09 01:47:20,231 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-09 01:47:20,231 INFO L435 NwaCegarLoop]: 19 mSDtfsCounter, 11 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 22 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-09 01:47:20,231 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 22 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-09 01:47:20,232 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2025-03-09 01:47:20,234 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 20. [2025-03-09 01:47:20,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 16 states have (on average 1.375) internal successors, (22), 19 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-09 01:47:20,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 22 transitions. [2025-03-09 01:47:20,235 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 22 transitions. Word has length 9 [2025-03-09 01:47:20,235 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 01:47:20,235 INFO L471 AbstractCegarLoop]: Abstraction has 20 states and 22 transitions. [2025-03-09 01:47:20,235 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-09 01:47:20,236 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 22 transitions. [2025-03-09 01:47:20,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2025-03-09 01:47:20,236 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 01:47:20,236 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 01:47:20,236 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-03-09 01:47:20,236 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2025-03-09 01:47:20,237 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 01:47:20,237 INFO L85 PathProgramCache]: Analyzing trace with hash 2001476651, now seen corresponding path program 1 times [2025-03-09 01:47:20,237 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 01:47:20,238 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [270195769] [2025-03-09 01:47:20,238 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 01:47:20,238 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 01:47:20,242 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 9 statements into 1 equivalence classes. [2025-03-09 01:47:20,247 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 9 of 9 statements. [2025-03-09 01:47:20,247 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 01:47:20,247 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 01:47:20,278 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 01:47:20,278 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 01:47:20,278 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [270195769] [2025-03-09 01:47:20,278 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [270195769] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 01:47:20,278 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 01:47:20,278 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-09 01:47:20,278 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [220117371] [2025-03-09 01:47:20,278 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 01:47:20,278 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-09 01:47:20,279 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 01:47:20,279 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-09 01:47:20,279 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-09 01:47:20,279 INFO L87 Difference]: Start difference. First operand 20 states and 22 transitions. Second operand has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-09 01:47:20,285 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 01:47:20,285 INFO L93 Difference]: Finished difference Result 20 states and 22 transitions. [2025-03-09 01:47:20,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-09 01:47:20,285 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 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 9 [2025-03-09 01:47:20,285 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 01:47:20,285 INFO L225 Difference]: With dead ends: 20 [2025-03-09 01:47:20,286 INFO L226 Difference]: Without dead ends: 19 [2025-03-09 01:47:20,286 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-09 01:47:20,286 INFO L435 NwaCegarLoop]: 15 mSDtfsCounter, 8 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 16 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-09 01:47:20,286 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 16 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-09 01:47:20,288 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states. [2025-03-09 01:47:20,290 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19. [2025-03-09 01:47:20,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 16 states have (on average 1.3125) internal successors, (21), 18 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) [2025-03-09 01:47:20,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 21 transitions. [2025-03-09 01:47:20,292 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 21 transitions. Word has length 9 [2025-03-09 01:47:20,292 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 01:47:20,293 INFO L471 AbstractCegarLoop]: Abstraction has 19 states and 21 transitions. [2025-03-09 01:47:20,293 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-09 01:47:20,293 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 21 transitions. [2025-03-09 01:47:20,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2025-03-09 01:47:20,293 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 01:47:20,294 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 01:47:20,294 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2025-03-09 01:47:20,294 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2025-03-09 01:47:20,294 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 01:47:20,295 INFO L85 PathProgramCache]: Analyzing trace with hash 1915556761, now seen corresponding path program 1 times [2025-03-09 01:47:20,295 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 01:47:20,295 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [916104961] [2025-03-09 01:47:20,295 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 01:47:20,295 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 01:47:20,298 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 10 statements into 1 equivalence classes. [2025-03-09 01:47:20,302 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 10 of 10 statements. [2025-03-09 01:47:20,302 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 01:47:20,302 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 01:47:20,329 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 01:47:20,330 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 01:47:20,330 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [916104961] [2025-03-09 01:47:20,330 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [916104961] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 01:47:20,330 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 01:47:20,330 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-09 01:47:20,330 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1916350236] [2025-03-09 01:47:20,330 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 01:47:20,330 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-09 01:47:20,331 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 01:47:20,331 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-09 01:47:20,331 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-09 01:47:20,331 INFO L87 Difference]: Start difference. First operand 19 states and 21 transitions. Second operand has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-09 01:47:20,341 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 01:47:20,341 INFO L93 Difference]: Finished difference Result 31 states and 33 transitions. [2025-03-09 01:47:20,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-09 01:47:20,342 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 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 [2025-03-09 01:47:20,342 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 01:47:20,342 INFO L225 Difference]: With dead ends: 31 [2025-03-09 01:47:20,342 INFO L226 Difference]: Without dead ends: 30 [2025-03-09 01:47:20,342 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-09 01:47:20,343 INFO L435 NwaCegarLoop]: 19 mSDtfsCounter, 8 mSDsluCounter, 13 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 32 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-09 01:47:20,343 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 32 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-09 01:47:20,343 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2025-03-09 01:47:20,345 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 23. [2025-03-09 01:47:20,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23 states, 20 states have (on average 1.25) internal successors, (25), 22 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-09 01:47:20,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 25 transitions. [2025-03-09 01:47:20,346 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 25 transitions. Word has length 10 [2025-03-09 01:47:20,346 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 01:47:20,346 INFO L471 AbstractCegarLoop]: Abstraction has 23 states and 25 transitions. [2025-03-09 01:47:20,346 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-09 01:47:20,346 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 25 transitions. [2025-03-09 01:47:20,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2025-03-09 01:47:20,346 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 01:47:20,346 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 01:47:20,347 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2025-03-09 01:47:20,347 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2025-03-09 01:47:20,347 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 01:47:20,347 INFO L85 PathProgramCache]: Analyzing trace with hash 1916234010, now seen corresponding path program 1 times [2025-03-09 01:47:20,347 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 01:47:20,347 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1613799729] [2025-03-09 01:47:20,347 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 01:47:20,348 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 01:47:20,351 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 10 statements into 1 equivalence classes. [2025-03-09 01:47:20,355 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 10 of 10 statements. [2025-03-09 01:47:20,355 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 01:47:20,355 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 01:47:20,385 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 01:47:20,386 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 01:47:20,386 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1613799729] [2025-03-09 01:47:20,386 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1613799729] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 01:47:20,386 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 01:47:20,386 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-09 01:47:20,386 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [936428971] [2025-03-09 01:47:20,386 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 01:47:20,386 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-09 01:47:20,387 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 01:47:20,387 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-09 01:47:20,387 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-09 01:47:20,387 INFO L87 Difference]: Start difference. First operand 23 states and 25 transitions. Second operand has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-09 01:47:20,396 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 01:47:20,397 INFO L93 Difference]: Finished difference Result 44 states and 48 transitions. [2025-03-09 01:47:20,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-09 01:47:20,397 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 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 [2025-03-09 01:47:20,397 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 01:47:20,398 INFO L225 Difference]: With dead ends: 44 [2025-03-09 01:47:20,398 INFO L226 Difference]: Without dead ends: 43 [2025-03-09 01:47:20,398 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-09 01:47:20,398 INFO L435 NwaCegarLoop]: 16 mSDtfsCounter, 7 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 30 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-09 01:47:20,398 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 30 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-09 01:47:20,399 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2025-03-09 01:47:20,402 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 41. [2025-03-09 01:47:20,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41 states, 38 states have (on average 1.236842105263158) internal successors, (47), 40 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-09 01:47:20,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 47 transitions. [2025-03-09 01:47:20,405 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 47 transitions. Word has length 10 [2025-03-09 01:47:20,405 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 01:47:20,405 INFO L471 AbstractCegarLoop]: Abstraction has 41 states and 47 transitions. [2025-03-09 01:47:20,406 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-09 01:47:20,406 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 47 transitions. [2025-03-09 01:47:20,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2025-03-09 01:47:20,406 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 01:47:20,406 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 01:47:20,406 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2025-03-09 01:47:20,406 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2025-03-09 01:47:20,407 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 01:47:20,407 INFO L85 PathProgramCache]: Analyzing trace with hash -1690922994, now seen corresponding path program 1 times [2025-03-09 01:47:20,407 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 01:47:20,407 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [572672249] [2025-03-09 01:47:20,407 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 01:47:20,407 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 01:47:20,411 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 12 statements into 1 equivalence classes. [2025-03-09 01:47:20,413 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 12 of 12 statements. [2025-03-09 01:47:20,413 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 01:47:20,413 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 01:47:20,445 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 01:47:20,445 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 01:47:20,445 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [572672249] [2025-03-09 01:47:20,445 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [572672249] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 01:47:20,445 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 01:47:20,446 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-09 01:47:20,446 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1584781266] [2025-03-09 01:47:20,446 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 01:47:20,446 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-09 01:47:20,446 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 01:47:20,446 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-09 01:47:20,447 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-03-09 01:47:20,447 INFO L87 Difference]: Start difference. First operand 41 states and 47 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) [2025-03-09 01:47:20,469 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 01:47:20,469 INFO L93 Difference]: Finished difference Result 43 states and 49 transitions. [2025-03-09 01:47:20,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-09 01:47:20,470 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 [2025-03-09 01:47:20,470 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 01:47:20,471 INFO L225 Difference]: With dead ends: 43 [2025-03-09 01:47:20,471 INFO L226 Difference]: Without dead ends: 42 [2025-03-09 01:47:20,472 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-03-09 01:47:20,472 INFO L435 NwaCegarLoop]: 15 mSDtfsCounter, 2 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 24 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-09 01:47:20,473 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 24 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-09 01:47:20,474 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2025-03-09 01:47:20,478 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 38. [2025-03-09 01:47:20,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38 states, 36 states have (on average 1.1944444444444444) internal successors, (43), 37 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-09 01:47:20,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 43 transitions. [2025-03-09 01:47:20,480 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 43 transitions. Word has length 12 [2025-03-09 01:47:20,480 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 01:47:20,480 INFO L471 AbstractCegarLoop]: Abstraction has 38 states and 43 transitions. [2025-03-09 01:47:20,480 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) [2025-03-09 01:47:20,482 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 43 transitions. [2025-03-09 01:47:20,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2025-03-09 01:47:20,482 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 01:47:20,482 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 01:47:20,482 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2025-03-09 01:47:20,482 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2025-03-09 01:47:20,483 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 01:47:20,483 INFO L85 PathProgramCache]: Analyzing trace with hash 1383800376, now seen corresponding path program 1 times [2025-03-09 01:47:20,483 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 01:47:20,483 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1772118010] [2025-03-09 01:47:20,483 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 01:47:20,483 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 01:47:20,487 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 15 statements into 1 equivalence classes. [2025-03-09 01:47:20,490 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 15 of 15 statements. [2025-03-09 01:47:20,490 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 01:47:20,490 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 01:47:20,525 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 01:47:20,525 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 01:47:20,525 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1772118010] [2025-03-09 01:47:20,526 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1772118010] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 01:47:20,526 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1580521191] [2025-03-09 01:47:20,526 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 01:47:20,526 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 01:47:20,526 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 01:47:20,529 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-09 01:47:20,530 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-03-09 01:47:20,550 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 15 statements into 1 equivalence classes. [2025-03-09 01:47:20,555 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 15 of 15 statements. [2025-03-09 01:47:20,555 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 01:47:20,555 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 01:47:20,557 INFO L256 TraceCheckSpWp]: Trace formula consists of 30 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-03-09 01:47:20,559 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 01:47:20,595 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 01:47:20,595 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-09 01:47:20,629 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 01:47:20,629 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1580521191] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-09 01:47:20,629 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-09 01:47:20,629 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 5 [2025-03-09 01:47:20,629 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [680460906] [2025-03-09 01:47:20,629 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-09 01:47:20,629 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-09 01:47:20,630 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 01:47:20,630 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-09 01:47:20,630 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2025-03-09 01:47:20,630 INFO L87 Difference]: Start difference. First operand 38 states and 43 transitions. Second operand has 6 states, 5 states have (on average 5.2) internal successors, (26), 6 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-09 01:47:20,660 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 01:47:20,660 INFO L93 Difference]: Finished difference Result 117 states and 133 transitions. [2025-03-09 01:47:20,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-09 01:47:20,661 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 5.2) internal successors, (26), 6 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 15 [2025-03-09 01:47:20,661 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 01:47:20,665 INFO L225 Difference]: With dead ends: 117 [2025-03-09 01:47:20,665 INFO L226 Difference]: Without dead ends: 116 [2025-03-09 01:47:20,665 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2025-03-09 01:47:20,666 INFO L435 NwaCegarLoop]: 18 mSDtfsCounter, 56 mSDsluCounter, 45 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 56 SdHoareTripleChecker+Valid, 63 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-09 01:47:20,666 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [56 Valid, 63 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-09 01:47:20,666 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2025-03-09 01:47:20,674 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 68. [2025-03-09 01:47:20,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68 states, 66 states have (on average 1.196969696969697) internal successors, (79), 67 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-09 01:47:20,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 79 transitions. [2025-03-09 01:47:20,678 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 79 transitions. Word has length 15 [2025-03-09 01:47:20,678 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 01:47:20,678 INFO L471 AbstractCegarLoop]: Abstraction has 68 states and 79 transitions. [2025-03-09 01:47:20,678 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 5.2) internal successors, (26), 6 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-09 01:47:20,678 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 79 transitions. [2025-03-09 01:47:20,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2025-03-09 01:47:20,678 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 01:47:20,678 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1] [2025-03-09 01:47:20,685 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2025-03-09 01:47:20,880 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2025-03-09 01:47:20,880 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2025-03-09 01:47:20,880 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 01:47:20,882 INFO L85 PathProgramCache]: Analyzing trace with hash -502414829, now seen corresponding path program 1 times [2025-03-09 01:47:20,882 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 01:47:20,882 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [61499556] [2025-03-09 01:47:20,882 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 01:47:20,882 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 01:47:20,885 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 18 statements into 1 equivalence classes. [2025-03-09 01:47:20,888 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 18 of 18 statements. [2025-03-09 01:47:20,888 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 01:47:20,888 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 01:47:20,922 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 01:47:20,922 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 01:47:20,922 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [61499556] [2025-03-09 01:47:20,922 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [61499556] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 01:47:20,922 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [562890586] [2025-03-09 01:47:20,922 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 01:47:20,923 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 01:47:20,923 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 01:47:20,924 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-09 01:47:20,926 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-03-09 01:47:20,944 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 18 statements into 1 equivalence classes. [2025-03-09 01:47:20,951 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 18 of 18 statements. [2025-03-09 01:47:20,951 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 01:47:20,951 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 01:47:20,952 INFO L256 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-03-09 01:47:20,952 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 01:47:20,975 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 01:47:20,975 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-09 01:47:21,004 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 01:47:21,004 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [562890586] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-09 01:47:21,004 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-09 01:47:21,004 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 5 [2025-03-09 01:47:21,004 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1102986174] [2025-03-09 01:47:21,004 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-09 01:47:21,004 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-09 01:47:21,004 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 01:47:21,005 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-09 01:47:21,005 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2025-03-09 01:47:21,005 INFO L87 Difference]: Start difference. First operand 68 states and 79 transitions. Second operand has 6 states, 5 states have (on average 7.0) internal successors, (35), 6 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-09 01:47:21,031 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 01:47:21,031 INFO L93 Difference]: Finished difference Result 169 states and 196 transitions. [2025-03-09 01:47:21,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-09 01:47:21,032 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 7.0) internal successors, (35), 6 states have internal predecessors, (35), 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 [2025-03-09 01:47:21,032 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 01:47:21,032 INFO L225 Difference]: With dead ends: 169 [2025-03-09 01:47:21,032 INFO L226 Difference]: Without dead ends: 168 [2025-03-09 01:47:21,033 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2025-03-09 01:47:21,033 INFO L435 NwaCegarLoop]: 15 mSDtfsCounter, 42 mSDsluCounter, 49 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 42 SdHoareTripleChecker+Valid, 64 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-09 01:47:21,033 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [42 Valid, 64 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-09 01:47:21,034 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 168 states. [2025-03-09 01:47:21,050 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 168 to 164. [2025-03-09 01:47:21,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 164 states, 162 states have (on average 1.191358024691358) internal successors, (193), 163 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-09 01:47:21,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 164 states and 193 transitions. [2025-03-09 01:47:21,051 INFO L78 Accepts]: Start accepts. Automaton has 164 states and 193 transitions. Word has length 18 [2025-03-09 01:47:21,051 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 01:47:21,051 INFO L471 AbstractCegarLoop]: Abstraction has 164 states and 193 transitions. [2025-03-09 01:47:21,051 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 7.0) internal successors, (35), 6 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-09 01:47:21,051 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 193 transitions. [2025-03-09 01:47:21,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2025-03-09 01:47:21,052 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 01:47:21,052 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 4, 1, 1, 1, 1, 1, 1] [2025-03-09 01:47:21,058 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2025-03-09 01:47:21,256 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2025-03-09 01:47:21,256 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2025-03-09 01:47:21,256 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 01:47:21,256 INFO L85 PathProgramCache]: Analyzing trace with hash -658509223, now seen corresponding path program 2 times [2025-03-09 01:47:21,256 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 01:47:21,256 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [31523456] [2025-03-09 01:47:21,257 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-09 01:47:21,257 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 01:47:21,262 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 30 statements into 2 equivalence classes. [2025-03-09 01:47:21,269 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 30 of 30 statements. [2025-03-09 01:47:21,269 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-09 01:47:21,269 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 01:47:21,337 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 01:47:21,338 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 01:47:21,338 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [31523456] [2025-03-09 01:47:21,338 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [31523456] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 01:47:21,338 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [826367374] [2025-03-09 01:47:21,338 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-09 01:47:21,338 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 01:47:21,338 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 01:47:21,340 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-09 01:47:21,342 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2025-03-09 01:47:21,362 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 30 statements into 2 equivalence classes. [2025-03-09 01:47:21,369 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 30 of 30 statements. [2025-03-09 01:47:21,369 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-09 01:47:21,369 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 01:47:21,370 INFO L256 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-03-09 01:47:21,370 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 01:47:21,411 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 01:47:21,411 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-09 01:47:21,487 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 01:47:21,487 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [826367374] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-09 01:47:21,487 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-09 01:47:21,487 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 11 [2025-03-09 01:47:21,487 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1212554992] [2025-03-09 01:47:21,487 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-09 01:47:21,487 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2025-03-09 01:47:21,488 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 01:47:21,488 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2025-03-09 01:47:21,488 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=66, Unknown=0, NotChecked=0, Total=132 [2025-03-09 01:47:21,488 INFO L87 Difference]: Start difference. First operand 164 states and 193 transitions. Second operand has 12 states, 11 states have (on average 5.090909090909091) internal successors, (56), 12 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-09 01:47:21,544 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 01:47:21,544 INFO L93 Difference]: Finished difference Result 645 states and 733 transitions. [2025-03-09 01:47:21,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-03-09 01:47:21,545 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 5.090909090909091) internal successors, (56), 12 states have internal predecessors, (56), 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 30 [2025-03-09 01:47:21,545 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 01:47:21,548 INFO L225 Difference]: With dead ends: 645 [2025-03-09 01:47:21,548 INFO L226 Difference]: Without dead ends: 644 [2025-03-09 01:47:21,548 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=66, Invalid=66, Unknown=0, NotChecked=0, Total=132 [2025-03-09 01:47:21,549 INFO L435 NwaCegarLoop]: 18 mSDtfsCounter, 184 mSDsluCounter, 114 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 184 SdHoareTripleChecker+Valid, 132 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-09 01:47:21,549 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [184 Valid, 132 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-09 01:47:21,549 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 644 states. [2025-03-09 01:47:21,572 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 644 to 314. [2025-03-09 01:47:21,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 314 states, 312 states have (on average 1.1955128205128205) internal successors, (373), 313 states have internal predecessors, (373), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-09 01:47:21,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 314 states and 373 transitions. [2025-03-09 01:47:21,575 INFO L78 Accepts]: Start accepts. Automaton has 314 states and 373 transitions. Word has length 30 [2025-03-09 01:47:21,575 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 01:47:21,575 INFO L471 AbstractCegarLoop]: Abstraction has 314 states and 373 transitions. [2025-03-09 01:47:21,575 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 5.090909090909091) internal successors, (56), 12 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-09 01:47:21,575 INFO L276 IsEmpty]: Start isEmpty. Operand 314 states and 373 transitions. [2025-03-09 01:47:21,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2025-03-09 01:47:21,576 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 01:47:21,576 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 4, 1, 1, 1] [2025-03-09 01:47:21,582 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2025-03-09 01:47:21,776 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 01:47:21,777 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2025-03-09 01:47:21,777 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 01:47:21,777 INFO L85 PathProgramCache]: Analyzing trace with hash -1320904962, now seen corresponding path program 2 times [2025-03-09 01:47:21,777 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 01:47:21,777 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [551907479] [2025-03-09 01:47:21,777 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-09 01:47:21,777 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 01:47:21,783 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 42 statements into 2 equivalence classes. [2025-03-09 01:47:21,788 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 42 of 42 statements. [2025-03-09 01:47:21,788 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-09 01:47:21,788 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 01:47:21,861 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 0 proven. 80 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 01:47:21,861 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 01:47:21,861 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [551907479] [2025-03-09 01:47:21,861 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [551907479] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 01:47:21,861 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1379273841] [2025-03-09 01:47:21,861 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-09 01:47:21,861 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 01:47:21,861 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 01:47:21,863 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-09 01:47:21,865 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2025-03-09 01:47:21,882 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 42 statements into 2 equivalence classes. [2025-03-09 01:47:21,906 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 42 of 42 statements. [2025-03-09 01:47:21,906 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-09 01:47:21,906 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 01:47:21,906 INFO L256 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-03-09 01:47:21,908 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 01:47:21,944 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 58 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2025-03-09 01:47:21,944 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-09 01:47:21,944 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1379273841] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 01:47:21,944 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-09 01:47:21,944 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 11 [2025-03-09 01:47:21,944 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1384204721] [2025-03-09 01:47:21,944 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 01:47:21,945 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-09 01:47:21,945 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 01:47:21,945 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-09 01:47:21,945 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2025-03-09 01:47:21,945 INFO L87 Difference]: Start difference. First operand 314 states and 373 transitions. Second operand has 6 states, 6 states have (on average 4.666666666666667) internal successors, (28), 6 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) [2025-03-09 01:47:21,970 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 01:47:21,970 INFO L93 Difference]: Finished difference Result 320 states and 378 transitions. [2025-03-09 01:47:21,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-09 01:47:21,970 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.666666666666667) internal successors, (28), 6 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 42 [2025-03-09 01:47:21,971 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 01:47:21,971 INFO L225 Difference]: With dead ends: 320 [2025-03-09 01:47:21,971 INFO L226 Difference]: Without dead ends: 61 [2025-03-09 01:47:21,971 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2025-03-09 01:47:21,972 INFO L435 NwaCegarLoop]: 16 mSDtfsCounter, 0 mSDsluCounter, 30 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 46 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-09 01:47:21,972 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 46 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-09 01:47:21,972 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2025-03-09 01:47:21,974 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 61. [2025-03-09 01:47:21,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 61 states, 60 states have (on average 1.0166666666666666) internal successors, (61), 60 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-09 01:47:21,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 61 transitions. [2025-03-09 01:47:21,976 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 61 transitions. Word has length 42 [2025-03-09 01:47:21,976 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 01:47:21,976 INFO L471 AbstractCegarLoop]: Abstraction has 61 states and 61 transitions. [2025-03-09 01:47:21,976 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.666666666666667) internal successors, (28), 6 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) [2025-03-09 01:47:21,976 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 61 transitions. [2025-03-09 01:47:21,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2025-03-09 01:47:21,978 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 01:47:21,978 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 11, 10, 1, 1, 1, 1, 1, 1] [2025-03-09 01:47:21,984 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2025-03-09 01:47:22,178 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 01:47:22,178 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2025-03-09 01:47:22,179 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 01:47:22,179 INFO L85 PathProgramCache]: Analyzing trace with hash 279043193, now seen corresponding path program 3 times [2025-03-09 01:47:22,179 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 01:47:22,179 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1332513454] [2025-03-09 01:47:22,179 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-03-09 01:47:22,179 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 01:47:22,184 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 60 statements into 11 equivalence classes. [2025-03-09 01:47:22,190 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) and asserted 60 of 60 statements. [2025-03-09 01:47:22,191 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2025-03-09 01:47:22,191 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 01:47:22,334 INFO L134 CoverageAnalysis]: Checked inductivity of 275 backedges. 0 proven. 275 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 01:47:22,334 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 01:47:22,334 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1332513454] [2025-03-09 01:47:22,334 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1332513454] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 01:47:22,334 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1853518776] [2025-03-09 01:47:22,334 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-03-09 01:47:22,334 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 01:47:22,334 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 01:47:22,336 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-09 01:47:22,337 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2025-03-09 01:47:22,355 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 60 statements into 11 equivalence classes. [2025-03-09 01:47:22,372 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) and asserted 60 of 60 statements. [2025-03-09 01:47:22,372 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2025-03-09 01:47:22,372 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 01:47:22,373 INFO L256 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 12 conjuncts are in the unsatisfiable core [2025-03-09 01:47:22,374 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 01:47:22,442 INFO L134 CoverageAnalysis]: Checked inductivity of 275 backedges. 0 proven. 275 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 01:47:22,442 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-09 01:47:22,687 INFO L134 CoverageAnalysis]: Checked inductivity of 275 backedges. 0 proven. 275 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 01:47:22,688 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1853518776] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-09 01:47:22,688 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-09 01:47:22,688 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 12] total 23 [2025-03-09 01:47:22,688 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [929335001] [2025-03-09 01:47:22,688 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-09 01:47:22,689 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2025-03-09 01:47:22,689 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 01:47:22,689 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2025-03-09 01:47:22,690 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=276, Invalid=276, Unknown=0, NotChecked=0, Total=552 [2025-03-09 01:47:22,690 INFO L87 Difference]: Start difference. First operand 61 states and 61 transitions. Second operand has 24 states, 23 states have (on average 5.043478260869565) internal successors, (116), 24 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-09 01:47:22,753 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 01:47:22,753 INFO L93 Difference]: Finished difference Result 122 states and 133 transitions. [2025-03-09 01:47:22,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2025-03-09 01:47:22,753 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 23 states have (on average 5.043478260869565) internal successors, (116), 24 states have internal predecessors, (116), 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 60 [2025-03-09 01:47:22,754 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 01:47:22,754 INFO L225 Difference]: With dead ends: 122 [2025-03-09 01:47:22,754 INFO L226 Difference]: Without dead ends: 121 [2025-03-09 01:47:22,755 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 108 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=276, Invalid=276, Unknown=0, NotChecked=0, Total=552 [2025-03-09 01:47:22,756 INFO L435 NwaCegarLoop]: 9 mSDtfsCounter, 0 mSDsluCounter, 75 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 84 SdHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 52 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-09 01:47:22,756 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 84 Invalid, 53 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 52 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-09 01:47:22,757 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2025-03-09 01:47:22,763 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 121. [2025-03-09 01:47:22,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 121 states, 120 states have (on average 1.0083333333333333) internal successors, (121), 120 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-09 01:47:22,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 121 transitions. [2025-03-09 01:47:22,764 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 121 transitions. Word has length 60 [2025-03-09 01:47:22,765 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 01:47:22,765 INFO L471 AbstractCegarLoop]: Abstraction has 121 states and 121 transitions. [2025-03-09 01:47:22,765 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 23 states have (on average 5.043478260869565) internal successors, (116), 24 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-09 01:47:22,765 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 121 transitions. [2025-03-09 01:47:22,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2025-03-09 01:47:22,768 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 01:47:22,768 INFO L218 NwaCegarLoop]: trace histogram [23, 23, 23, 23, 22, 1, 1, 1, 1, 1, 1] [2025-03-09 01:47:22,774 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2025-03-09 01:47:22,972 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2025-03-09 01:47:22,972 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2025-03-09 01:47:22,972 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 01:47:22,972 INFO L85 PathProgramCache]: Analyzing trace with hash 145901753, now seen corresponding path program 4 times [2025-03-09 01:47:22,972 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 01:47:22,972 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [829029278] [2025-03-09 01:47:22,972 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-03-09 01:47:22,973 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 01:47:22,981 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 120 statements into 2 equivalence classes. [2025-03-09 01:47:22,999 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 120 of 120 statements. [2025-03-09 01:47:22,999 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-03-09 01:47:23,000 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 01:47:23,446 INFO L134 CoverageAnalysis]: Checked inductivity of 1265 backedges. 0 proven. 1265 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 01:47:23,446 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 01:47:23,447 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [829029278] [2025-03-09 01:47:23,447 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [829029278] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 01:47:23,447 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [706504804] [2025-03-09 01:47:23,447 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-03-09 01:47:23,447 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 01:47:23,447 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 01:47:23,449 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-09 01:47:23,451 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2025-03-09 01:47:23,471 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 120 statements into 2 equivalence classes. [2025-03-09 01:47:23,496 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 120 of 120 statements. [2025-03-09 01:47:23,496 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-03-09 01:47:23,496 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 01:47:23,497 INFO L256 TraceCheckSpWp]: Trace formula consists of 219 conjuncts, 24 conjuncts are in the unsatisfiable core [2025-03-09 01:47:23,499 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 01:47:23,626 INFO L134 CoverageAnalysis]: Checked inductivity of 1265 backedges. 0 proven. 1265 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 01:47:23,626 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-09 01:47:24,327 INFO L134 CoverageAnalysis]: Checked inductivity of 1265 backedges. 0 proven. 1265 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 01:47:24,328 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [706504804] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-09 01:47:24,328 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-09 01:47:24,328 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 24, 24] total 47 [2025-03-09 01:47:24,328 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1186818880] [2025-03-09 01:47:24,328 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-09 01:47:24,329 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 48 states [2025-03-09 01:47:24,329 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 01:47:24,329 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2025-03-09 01:47:24,331 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1128, Invalid=1128, Unknown=0, NotChecked=0, Total=2256 [2025-03-09 01:47:24,332 INFO L87 Difference]: Start difference. First operand 121 states and 121 transitions. Second operand has 48 states, 47 states have (on average 5.0212765957446805) internal successors, (236), 48 states have internal predecessors, (236), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-09 01:47:24,446 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 01:47:24,446 INFO L93 Difference]: Finished difference Result 242 states and 265 transitions. [2025-03-09 01:47:24,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2025-03-09 01:47:24,447 INFO L78 Accepts]: Start accepts. Automaton has has 48 states, 47 states have (on average 5.0212765957446805) internal successors, (236), 48 states have internal predecessors, (236), 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 120 [2025-03-09 01:47:24,447 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 01:47:24,448 INFO L225 Difference]: With dead ends: 242 [2025-03-09 01:47:24,449 INFO L226 Difference]: Without dead ends: 241 [2025-03-09 01:47:24,450 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 262 GetRequests, 216 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=1128, Invalid=1128, Unknown=0, NotChecked=0, Total=2256 [2025-03-09 01:47:24,450 INFO L435 NwaCegarLoop]: 9 mSDtfsCounter, 0 mSDsluCounter, 156 mSDsCounter, 0 mSdLazyCounter, 106 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 165 SdHoareTripleChecker+Invalid, 107 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 106 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-09 01:47:24,450 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 165 Invalid, 107 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 106 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-09 01:47:24,451 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 241 states. [2025-03-09 01:47:24,456 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 241 to 241. [2025-03-09 01:47:24,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 241 states, 240 states have (on average 1.0041666666666667) internal successors, (241), 240 states have internal predecessors, (241), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-09 01:47:24,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 241 states and 241 transitions. [2025-03-09 01:47:24,458 INFO L78 Accepts]: Start accepts. Automaton has 241 states and 241 transitions. Word has length 120 [2025-03-09 01:47:24,458 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 01:47:24,459 INFO L471 AbstractCegarLoop]: Abstraction has 241 states and 241 transitions. [2025-03-09 01:47:24,459 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 48 states, 47 states have (on average 5.0212765957446805) internal successors, (236), 48 states have internal predecessors, (236), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-09 01:47:24,459 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 241 transitions. [2025-03-09 01:47:24,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2025-03-09 01:47:24,461 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 01:47:24,462 INFO L218 NwaCegarLoop]: trace histogram [47, 47, 47, 47, 46, 1, 1, 1, 1, 1, 1] [2025-03-09 01:47:24,471 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2025-03-09 01:47:24,664 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2025-03-09 01:47:24,664 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2025-03-09 01:47:24,665 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 01:47:24,665 INFO L85 PathProgramCache]: Analyzing trace with hash -885161671, now seen corresponding path program 5 times [2025-03-09 01:47:24,665 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 01:47:24,665 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1503496176] [2025-03-09 01:47:24,665 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-03-09 01:47:24,665 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 01:47:24,674 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 240 statements into 47 equivalence classes. [2025-03-09 01:47:24,741 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 47 check-sat command(s) and asserted 240 of 240 statements. [2025-03-09 01:47:24,741 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 47 check-sat command(s) [2025-03-09 01:47:24,741 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 01:47:26,146 INFO L134 CoverageAnalysis]: Checked inductivity of 5405 backedges. 0 proven. 5405 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 01:47:26,147 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 01:47:26,147 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1503496176] [2025-03-09 01:47:26,147 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1503496176] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 01:47:26,147 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [357525385] [2025-03-09 01:47:26,147 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-03-09 01:47:26,147 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 01:47:26,147 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 01:47:26,149 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-09 01:47:26,150 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2025-03-09 01:47:26,174 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 240 statements into 47 equivalence classes. [2025-03-09 01:47:26,233 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 47 check-sat command(s) and asserted 240 of 240 statements. [2025-03-09 01:47:26,233 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 47 check-sat command(s) [2025-03-09 01:47:26,233 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 01:47:26,235 INFO L256 TraceCheckSpWp]: Trace formula consists of 435 conjuncts, 48 conjuncts are in the unsatisfiable core [2025-03-09 01:47:26,238 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 01:47:26,464 INFO L134 CoverageAnalysis]: Checked inductivity of 5405 backedges. 0 proven. 5405 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 01:47:26,464 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-09 01:47:28,661 INFO L134 CoverageAnalysis]: Checked inductivity of 5405 backedges. 0 proven. 5405 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 01:47:28,662 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [357525385] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-09 01:47:28,662 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-09 01:47:28,662 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [48, 48, 48] total 95 [2025-03-09 01:47:28,662 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1442808593] [2025-03-09 01:47:28,662 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-09 01:47:28,663 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 96 states [2025-03-09 01:47:28,663 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 01:47:28,664 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 96 interpolants. [2025-03-09 01:47:28,667 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=4560, Invalid=4560, Unknown=0, NotChecked=0, Total=9120 [2025-03-09 01:47:28,667 INFO L87 Difference]: Start difference. First operand 241 states and 241 transitions. Second operand has 96 states, 95 states have (on average 5.010526315789473) internal successors, (476), 96 states have internal predecessors, (476), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-09 01:47:28,906 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 01:47:28,907 INFO L93 Difference]: Finished difference Result 482 states and 529 transitions. [2025-03-09 01:47:28,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 96 states. [2025-03-09 01:47:28,907 INFO L78 Accepts]: Start accepts. Automaton has has 96 states, 95 states have (on average 5.010526315789473) internal successors, (476), 96 states have internal predecessors, (476), 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 240 [2025-03-09 01:47:28,908 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 01:47:28,909 INFO L225 Difference]: With dead ends: 482 [2025-03-09 01:47:28,909 INFO L226 Difference]: Without dead ends: 481 [2025-03-09 01:47:28,911 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 526 GetRequests, 432 SyntacticMatches, 0 SemanticMatches, 94 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=4560, Invalid=4560, Unknown=0, NotChecked=0, Total=9120 [2025-03-09 01:47:28,911 INFO L435 NwaCegarLoop]: 9 mSDtfsCounter, 0 mSDsluCounter, 300 mSDsCounter, 0 mSdLazyCounter, 202 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 309 SdHoareTripleChecker+Invalid, 203 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 202 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-09 01:47:28,911 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 309 Invalid, 203 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 202 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-09 01:47:28,912 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 481 states. [2025-03-09 01:47:28,918 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 481 to 481. [2025-03-09 01:47:28,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 481 states, 480 states have (on average 1.0020833333333334) internal successors, (481), 480 states have internal predecessors, (481), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-09 01:47:28,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 481 states to 481 states and 481 transitions. [2025-03-09 01:47:28,920 INFO L78 Accepts]: Start accepts. Automaton has 481 states and 481 transitions. Word has length 240 [2025-03-09 01:47:28,920 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 01:47:28,921 INFO L471 AbstractCegarLoop]: Abstraction has 481 states and 481 transitions. [2025-03-09 01:47:28,921 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 96 states, 95 states have (on average 5.010526315789473) internal successors, (476), 96 states have internal predecessors, (476), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-09 01:47:28,921 INFO L276 IsEmpty]: Start isEmpty. Operand 481 states and 481 transitions. [2025-03-09 01:47:28,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 481 [2025-03-09 01:47:28,924 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 01:47:28,925 INFO L218 NwaCegarLoop]: trace histogram [95, 95, 95, 95, 94, 1, 1, 1, 1, 1, 1] [2025-03-09 01:47:28,931 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2025-03-09 01:47:29,125 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 01:47:29,125 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2025-03-09 01:47:29,126 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 01:47:29,126 INFO L85 PathProgramCache]: Analyzing trace with hash -2017627591, now seen corresponding path program 6 times [2025-03-09 01:47:29,126 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 01:47:29,126 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1031014470] [2025-03-09 01:47:29,126 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-03-09 01:47:29,126 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 01:47:29,139 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 480 statements into 95 equivalence classes. [2025-03-09 01:47:29,229 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 95 check-sat command(s) and asserted 480 of 480 statements. [2025-03-09 01:47:29,230 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 95 check-sat command(s) [2025-03-09 01:47:29,230 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 01:47:33,638 INFO L134 CoverageAnalysis]: Checked inductivity of 22325 backedges. 0 proven. 22325 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 01:47:33,639 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 01:47:33,639 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1031014470] [2025-03-09 01:47:33,639 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1031014470] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 01:47:33,639 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1817918826] [2025-03-09 01:47:33,639 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-03-09 01:47:33,639 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 01:47:33,639 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 01:47:33,641 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-09 01:47:33,641 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2025-03-09 01:47:33,679 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 480 statements into 95 equivalence classes. [2025-03-09 01:47:33,819 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 95 check-sat command(s) and asserted 480 of 480 statements. [2025-03-09 01:47:33,819 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 95 check-sat command(s) [2025-03-09 01:47:33,819 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 01:47:33,825 INFO L256 TraceCheckSpWp]: Trace formula consists of 867 conjuncts, 96 conjuncts are in the unsatisfiable core [2025-03-09 01:47:33,830 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 01:47:34,236 INFO L134 CoverageAnalysis]: Checked inductivity of 22325 backedges. 0 proven. 22325 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 01:47:34,236 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-09 01:47:41,412 INFO L134 CoverageAnalysis]: Checked inductivity of 22325 backedges. 0 proven. 22325 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 01:47:41,412 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1817918826] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-09 01:47:41,413 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-09 01:47:41,413 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [96, 96, 96] total 191 [2025-03-09 01:47:41,413 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [365359354] [2025-03-09 01:47:41,413 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-09 01:47:41,414 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 192 states [2025-03-09 01:47:41,414 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 01:47:41,417 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 192 interpolants. [2025-03-09 01:47:41,424 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=18336, Invalid=18336, Unknown=0, NotChecked=0, Total=36672 [2025-03-09 01:47:41,424 INFO L87 Difference]: Start difference. First operand 481 states and 481 transitions. Second operand has 192 states, 191 states have (on average 5.005235602094241) internal successors, (956), 192 states have internal predecessors, (956), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-09 01:47:42,259 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 01:47:42,260 INFO L93 Difference]: Finished difference Result 962 states and 1057 transitions. [2025-03-09 01:47:42,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 192 states. [2025-03-09 01:47:42,261 INFO L78 Accepts]: Start accepts. Automaton has has 192 states, 191 states have (on average 5.005235602094241) internal successors, (956), 192 states have internal predecessors, (956), 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 480 [2025-03-09 01:47:42,261 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 01:47:42,264 INFO L225 Difference]: With dead ends: 962 [2025-03-09 01:47:42,264 INFO L226 Difference]: Without dead ends: 961 [2025-03-09 01:47:42,266 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 1054 GetRequests, 864 SyntacticMatches, 0 SemanticMatches, 190 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 9.1s TimeCoverageRelationStatistics Valid=18336, Invalid=18336, Unknown=0, NotChecked=0, Total=36672 [2025-03-09 01:47:42,267 INFO L435 NwaCegarLoop]: 9 mSDtfsCounter, 0 mSDsluCounter, 603 mSDsCounter, 0 mSdLazyCounter, 404 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 612 SdHoareTripleChecker+Invalid, 405 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 404 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-03-09 01:47:42,267 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 612 Invalid, 405 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 404 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-03-09 01:47:42,268 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 961 states. [2025-03-09 01:47:42,305 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 961 to 961. [2025-03-09 01:47:42,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 961 states, 960 states have (on average 1.0010416666666666) internal successors, (961), 960 states have internal predecessors, (961), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-09 01:47:42,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 961 states to 961 states and 961 transitions. [2025-03-09 01:47:42,309 INFO L78 Accepts]: Start accepts. Automaton has 961 states and 961 transitions. Word has length 480 [2025-03-09 01:47:42,310 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 01:47:42,310 INFO L471 AbstractCegarLoop]: Abstraction has 961 states and 961 transitions. [2025-03-09 01:47:42,311 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 192 states, 191 states have (on average 5.005235602094241) internal successors, (956), 192 states have internal predecessors, (956), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-09 01:47:42,311 INFO L276 IsEmpty]: Start isEmpty. Operand 961 states and 961 transitions. [2025-03-09 01:47:42,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 961 [2025-03-09 01:47:42,326 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 01:47:42,326 INFO L218 NwaCegarLoop]: trace histogram [191, 191, 191, 191, 190, 1, 1, 1, 1, 1, 1] [2025-03-09 01:47:42,333 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2025-03-09 01:47:42,526 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2025-03-09 01:47:42,527 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2025-03-09 01:47:42,527 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 01:47:42,528 INFO L85 PathProgramCache]: Analyzing trace with hash -1939647431, now seen corresponding path program 7 times [2025-03-09 01:47:42,528 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 01:47:42,528 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1372238503] [2025-03-09 01:47:42,528 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-03-09 01:47:42,528 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 01:47:42,549 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 960 statements into 1 equivalence classes. [2025-03-09 01:47:42,735 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 960 of 960 statements. [2025-03-09 01:47:42,735 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 01:47:42,735 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 01:48:01,597 INFO L134 CoverageAnalysis]: Checked inductivity of 90725 backedges. 0 proven. 90725 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 01:48:01,597 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 01:48:01,597 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1372238503] [2025-03-09 01:48:01,597 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1372238503] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 01:48:01,597 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [286771434] [2025-03-09 01:48:01,598 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-03-09 01:48:01,598 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 01:48:01,598 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 01:48:01,600 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-09 01:48:01,601 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2025-03-09 01:48:01,655 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 960 statements into 1 equivalence classes. [2025-03-09 01:48:01,787 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 960 of 960 statements. [2025-03-09 01:48:01,787 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 01:48:01,787 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 01:48:01,797 INFO L256 TraceCheckSpWp]: Trace formula consists of 1731 conjuncts, 192 conjuncts are in the unsatisfiable core [2025-03-09 01:48:01,806 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 01:48:02,533 INFO L134 CoverageAnalysis]: Checked inductivity of 90725 backedges. 0 proven. 90725 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 01:48:02,533 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-09 01:48:31,052 INFO L134 CoverageAnalysis]: Checked inductivity of 90725 backedges. 0 proven. 90725 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 01:48:31,052 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [286771434] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-09 01:48:31,052 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-09 01:48:31,052 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [192, 192, 192] total 383 [2025-03-09 01:48:31,052 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2022832071] [2025-03-09 01:48:31,052 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-09 01:48:31,054 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 384 states [2025-03-09 01:48:31,054 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 01:48:31,064 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 384 interpolants. [2025-03-09 01:48:31,070 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=73536, Invalid=73536, Unknown=0, NotChecked=0, Total=147072 [2025-03-09 01:48:31,071 INFO L87 Difference]: Start difference. First operand 961 states and 961 transitions. Second operand has 384 states, 383 states have (on average 5.002610966057441) internal successors, (1916), 384 states have internal predecessors, (1916), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-09 01:48:37,591 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 01:48:37,592 INFO L93 Difference]: Finished difference Result 1922 states and 2113 transitions. [2025-03-09 01:48:37,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 384 states. [2025-03-09 01:48:37,593 INFO L78 Accepts]: Start accepts. Automaton has has 384 states, 383 states have (on average 5.002610966057441) internal successors, (1916), 384 states have internal predecessors, (1916), 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 960 [2025-03-09 01:48:37,594 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 01:48:37,600 INFO L225 Difference]: With dead ends: 1922 [2025-03-09 01:48:37,600 INFO L226 Difference]: Without dead ends: 1921 [2025-03-09 01:48:37,605 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2110 GetRequests, 1728 SyntacticMatches, 0 SemanticMatches, 382 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 37.0s TimeCoverageRelationStatistics Valid=73536, Invalid=73536, Unknown=0, NotChecked=0, Total=147072 [2025-03-09 01:48:37,605 INFO L435 NwaCegarLoop]: 9 mSDtfsCounter, 0 mSDsluCounter, 1167 mSDsCounter, 0 mSdLazyCounter, 780 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1176 SdHoareTripleChecker+Invalid, 781 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 780 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2025-03-09 01:48:37,606 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1176 Invalid, 781 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 780 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2025-03-09 01:48:37,608 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1921 states. [2025-03-09 01:48:37,635 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1921 to 1921. [2025-03-09 01:48:37,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1921 states, 1920 states have (on average 1.0005208333333333) internal successors, (1921), 1920 states have internal predecessors, (1921), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-09 01:48:37,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1921 states to 1921 states and 1921 transitions. [2025-03-09 01:48:37,642 INFO L78 Accepts]: Start accepts. Automaton has 1921 states and 1921 transitions. Word has length 960 [2025-03-09 01:48:37,642 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 01:48:37,643 INFO L471 AbstractCegarLoop]: Abstraction has 1921 states and 1921 transitions. [2025-03-09 01:48:37,644 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 384 states, 383 states have (on average 5.002610966057441) internal successors, (1916), 384 states have internal predecessors, (1916), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-09 01:48:37,644 INFO L276 IsEmpty]: Start isEmpty. Operand 1921 states and 1921 transitions. [2025-03-09 01:48:37,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1921 [2025-03-09 01:48:37,677 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 01:48:37,677 INFO L218 NwaCegarLoop]: trace histogram [383, 383, 383, 383, 382, 1, 1, 1, 1, 1, 1] [2025-03-09 01:48:37,685 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2025-03-09 01:48:37,877 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 01:48:37,878 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2025-03-09 01:48:37,879 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 01:48:37,879 INFO L85 PathProgramCache]: Analyzing trace with hash 877074489, now seen corresponding path program 8 times [2025-03-09 01:48:37,879 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 01:48:37,879 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1040230450] [2025-03-09 01:48:37,879 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-09 01:48:37,879 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 01:48:37,936 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 1920 statements into 2 equivalence classes. [2025-03-09 01:48:38,685 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 1920 of 1920 statements. [2025-03-09 01:48:38,686 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-09 01:48:38,686 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat