./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/recursive/recHanoi01.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 023d838f Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/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_1.5.800.v20200727-1323.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/recursive/recHanoi01.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 85b02fad28964214b0cd332ac12fce3136c6c5e9247130ab67f1c2c3baea22f9 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-10 19:37:37,727 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-10 19:37:37,788 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-10 19:37:37,793 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-10 19:37:37,793 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-10 19:37:37,821 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-10 19:37:37,822 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-10 19:37:37,822 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-10 19:37:37,823 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-10 19:37:37,825 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-10 19:37:37,825 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-10 19:37:37,826 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-10 19:37:37,826 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-10 19:37:37,828 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-10 19:37:37,828 INFO L153 SettingsManager]: * Use SBE=true [2024-11-10 19:37:37,829 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-10 19:37:37,829 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-10 19:37:37,829 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-10 19:37:37,830 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-10 19:37:37,830 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-10 19:37:37,833 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-10 19:37:37,834 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-10 19:37:37,834 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-10 19:37:37,834 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-10 19:37:37,835 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-10 19:37:37,835 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-10 19:37:37,835 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-10 19:37:37,836 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-10 19:37:37,836 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-10 19:37:37,836 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-10 19:37:37,836 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-10 19:37:37,837 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-10 19:37:37,837 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-10 19:37:37,837 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-10 19:37:37,837 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 19:37:37,838 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-10 19:37:37,838 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-10 19:37:37,838 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-10 19:37:37,839 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-10 19:37:37,839 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-10 19:37:37,839 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-10 19:37:37,840 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-10 19:37:37,840 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-10 19:37:37,840 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-10 19:37:37,840 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 85b02fad28964214b0cd332ac12fce3136c6c5e9247130ab67f1c2c3baea22f9 [2024-11-10 19:37:38,105 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-10 19:37:38,136 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-10 19:37:38,139 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-10 19:37:38,140 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-10 19:37:38,141 INFO L274 PluginConnector]: CDTParser initialized [2024-11-10 19:37:38,142 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/recursive/recHanoi01.c [2024-11-10 19:37:39,567 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-10 19:37:39,765 INFO L384 CDTParser]: Found 1 translation units. [2024-11-10 19:37:39,765 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive/recHanoi01.c [2024-11-10 19:37:39,773 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3d9b2eb27/3f8fe6049c1146588dc452b94ad99362/FLAGcec7c8e39 [2024-11-10 19:37:40,162 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3d9b2eb27/3f8fe6049c1146588dc452b94ad99362 [2024-11-10 19:37:40,164 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-10 19:37:40,166 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-10 19:37:40,169 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-10 19:37:40,169 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-10 19:37:40,175 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-10 19:37:40,175 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 07:37:40" (1/1) ... [2024-11-10 19:37:40,176 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c070c94 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:37:40, skipping insertion in model container [2024-11-10 19:37:40,177 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 07:37:40" (1/1) ... [2024-11-10 19:37:40,197 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 19:37:40,391 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 19:37:40,404 INFO L200 MainTranslator]: Completed pre-run [2024-11-10 19:37:40,423 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 19:37:40,441 INFO L204 MainTranslator]: Completed translation [2024-11-10 19:37:40,442 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:37:40 WrapperNode [2024-11-10 19:37:40,442 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-10 19:37:40,444 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-10 19:37:40,444 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-10 19:37:40,444 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-10 19:37:40,451 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:37:40" (1/1) ... [2024-11-10 19:37:40,459 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:37:40" (1/1) ... [2024-11-10 19:37:40,477 INFO L138 Inliner]: procedures = 14, calls = 13, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 30 [2024-11-10 19:37:40,477 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-10 19:37:40,478 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-10 19:37:40,478 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-10 19:37:40,478 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-10 19:37:40,485 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:37:40" (1/1) ... [2024-11-10 19:37:40,485 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:37:40" (1/1) ... [2024-11-10 19:37:40,487 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:37:40" (1/1) ... [2024-11-10 19:37:40,505 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-10 19:37:40,505 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:37:40" (1/1) ... [2024-11-10 19:37:40,505 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:37:40" (1/1) ... [2024-11-10 19:37:40,508 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:37:40" (1/1) ... [2024-11-10 19:37:40,509 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:37:40" (1/1) ... [2024-11-10 19:37:40,509 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:37:40" (1/1) ... [2024-11-10 19:37:40,510 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:37:40" (1/1) ... [2024-11-10 19:37:40,512 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-10 19:37:40,513 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-10 19:37:40,513 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-10 19:37:40,513 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-10 19:37:40,514 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:37:40" (1/1) ... [2024-11-10 19:37:40,519 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 19:37:40,533 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:37:40,546 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) [2024-11-10 19:37:40,548 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 [2024-11-10 19:37:40,595 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-10 19:37:40,596 INFO L130 BoogieDeclarations]: Found specification of procedure applyHanoi [2024-11-10 19:37:40,596 INFO L138 BoogieDeclarations]: Found implementation of procedure applyHanoi [2024-11-10 19:37:40,596 INFO L130 BoogieDeclarations]: Found specification of procedure hanoi [2024-11-10 19:37:40,596 INFO L138 BoogieDeclarations]: Found implementation of procedure hanoi [2024-11-10 19:37:40,596 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-10 19:37:40,596 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-10 19:37:40,596 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-10 19:37:40,667 INFO L256 CfgBuilder]: Building ICFG [2024-11-10 19:37:40,670 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-10 19:37:40,796 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L23: havoc #t~ret4; [2024-11-10 19:37:40,846 INFO L? ?]: Removed 19 outVars from TransFormulas that were not future-live. [2024-11-10 19:37:40,846 INFO L307 CfgBuilder]: Performing block encoding [2024-11-10 19:37:40,859 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-10 19:37:40,859 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-10 19:37:40,860 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 07:37:40 BoogieIcfgContainer [2024-11-10 19:37:40,860 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-10 19:37:40,862 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-10 19:37:40,862 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-10 19:37:40,865 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-10 19:37:40,865 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 07:37:40" (1/3) ... [2024-11-10 19:37:40,866 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28e645dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 07:37:40, skipping insertion in model container [2024-11-10 19:37:40,866 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:37:40" (2/3) ... [2024-11-10 19:37:40,866 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28e645dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 07:37:40, skipping insertion in model container [2024-11-10 19:37:40,867 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 07:37:40" (3/3) ... [2024-11-10 19:37:40,868 INFO L112 eAbstractionObserver]: Analyzing ICFG recHanoi01.c [2024-11-10 19:37:40,881 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-10 19:37:40,882 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 12 error locations. [2024-11-10 19:37:40,934 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-10 19:37:40,940 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;@642c59d2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-10 19:37:40,940 INFO L334 AbstractCegarLoop]: Starting to check reachability of 12 error locations. [2024-11-10 19:37:40,944 INFO L276 IsEmpty]: Start isEmpty. Operand has 50 states, 30 states have (on average 1.5333333333333334) internal successors, (46), 43 states have internal predecessors, (46), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-10 19:37:40,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-10 19:37:40,950 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:37:40,950 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:37:40,951 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting applyHanoiErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-11-10 19:37:40,955 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:37:40,955 INFO L85 PathProgramCache]: Analyzing trace with hash 1529867395, now seen corresponding path program 1 times [2024-11-10 19:37:40,964 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:37:40,964 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [473293171] [2024-11-10 19:37:40,965 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:37:40,965 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:37:41,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:37:41,269 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 19:37:41,270 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:37:41,270 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [473293171] [2024-11-10 19:37:41,271 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [473293171] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:37:41,271 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:37:41,272 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 19:37:41,277 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1034206881] [2024-11-10 19:37:41,277 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:37:41,283 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 19:37:41,284 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:37:41,305 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 19:37:41,306 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 19:37:41,308 INFO L87 Difference]: Start difference. First operand has 50 states, 30 states have (on average 1.5333333333333334) internal successors, (46), 43 states have internal predecessors, (46), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) Second operand has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 19:37:41,391 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:37:41,391 INFO L93 Difference]: Finished difference Result 88 states and 96 transitions. [2024-11-10 19:37:41,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 19:37:41,394 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2024-11-10 19:37:41,394 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:37:41,400 INFO L225 Difference]: With dead ends: 88 [2024-11-10 19:37:41,400 INFO L226 Difference]: Without dead ends: 70 [2024-11-10 19:37:41,402 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-10 19:37:41,405 INFO L432 NwaCegarLoop]: 48 mSDtfsCounter, 37 mSDsluCounter, 91 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 37 SdHoareTripleChecker+Valid, 139 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 19:37:41,406 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [37 Valid, 139 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 19:37:41,419 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2024-11-10 19:37:41,435 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 49. [2024-11-10 19:37:41,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49 states, 29 states have (on average 1.5172413793103448) internal successors, (44), 42 states have internal predecessors, (44), 5 states have call successors, (5), 3 states have call predecessors, (5), 3 states have return successors, (5), 4 states have call predecessors, (5), 4 states have call successors, (5) [2024-11-10 19:37:41,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 54 transitions. [2024-11-10 19:37:41,439 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 54 transitions. Word has length 7 [2024-11-10 19:37:41,440 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:37:41,440 INFO L471 AbstractCegarLoop]: Abstraction has 49 states and 54 transitions. [2024-11-10 19:37:41,440 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 19:37:41,440 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 54 transitions. [2024-11-10 19:37:41,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-10 19:37:41,441 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:37:41,441 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:37:41,441 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-10 19:37:41,442 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting applyHanoiErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-11-10 19:37:41,442 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:37:41,442 INFO L85 PathProgramCache]: Analyzing trace with hash -1913399608, now seen corresponding path program 1 times [2024-11-10 19:37:41,442 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:37:41,443 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1692429133] [2024-11-10 19:37:41,443 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:37:41,443 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:37:41,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:37:41,541 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 19:37:41,541 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:37:41,541 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1692429133] [2024-11-10 19:37:41,541 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1692429133] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:37:41,541 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:37:41,542 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-10 19:37:41,542 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [681628565] [2024-11-10 19:37:41,542 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:37:41,543 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 19:37:41,543 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:37:41,544 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 19:37:41,544 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-10 19:37:41,545 INFO L87 Difference]: Start difference. First operand 49 states and 54 transitions. Second operand has 5 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 19:37:41,633 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:37:41,634 INFO L93 Difference]: Finished difference Result 82 states and 89 transitions. [2024-11-10 19:37:41,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 19:37:41,634 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2024-11-10 19:37:41,635 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:37:41,636 INFO L225 Difference]: With dead ends: 82 [2024-11-10 19:37:41,636 INFO L226 Difference]: Without dead ends: 58 [2024-11-10 19:37:41,637 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-10 19:37:41,638 INFO L432 NwaCegarLoop]: 39 mSDtfsCounter, 17 mSDsluCounter, 110 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 149 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 19:37:41,640 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 149 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 19:37:41,641 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2024-11-10 19:37:41,649 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 56. [2024-11-10 19:37:41,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56 states, 34 states have (on average 1.4705882352941178) internal successors, (50), 47 states have internal predecessors, (50), 7 states have call successors, (7), 3 states have call predecessors, (7), 3 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-10 19:37:41,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 63 transitions. [2024-11-10 19:37:41,653 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 63 transitions. Word has length 10 [2024-11-10 19:37:41,655 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:37:41,655 INFO L471 AbstractCegarLoop]: Abstraction has 56 states and 63 transitions. [2024-11-10 19:37:41,656 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 19:37:41,657 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 63 transitions. [2024-11-10 19:37:41,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-10 19:37:41,658 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:37:41,658 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:37:41,658 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-10 19:37:41,659 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-11-10 19:37:41,659 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:37:41,660 INFO L85 PathProgramCache]: Analyzing trace with hash 814154272, now seen corresponding path program 1 times [2024-11-10 19:37:41,660 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:37:41,661 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1249978614] [2024-11-10 19:37:41,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:37:41,661 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:37:41,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:37:41,777 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 19:37:41,777 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:37:41,777 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1249978614] [2024-11-10 19:37:41,778 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1249978614] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:37:41,778 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:37:41,779 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-10 19:37:41,779 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [19770938] [2024-11-10 19:37:41,780 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:37:41,780 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 19:37:41,780 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:37:41,781 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 19:37:41,781 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-10 19:37:41,781 INFO L87 Difference]: Start difference. First operand 56 states and 63 transitions. Second operand has 5 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 19:37:41,863 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:37:41,864 INFO L93 Difference]: Finished difference Result 58 states and 68 transitions. [2024-11-10 19:37:41,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 19:37:41,865 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2024-11-10 19:37:41,865 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:37:41,867 INFO L225 Difference]: With dead ends: 58 [2024-11-10 19:37:41,870 INFO L226 Difference]: Without dead ends: 56 [2024-11-10 19:37:41,870 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-10 19:37:41,872 INFO L432 NwaCegarLoop]: 34 mSDtfsCounter, 21 mSDsluCounter, 80 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 114 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 19:37:41,872 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 114 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 19:37:41,874 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2024-11-10 19:37:41,882 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 54. [2024-11-10 19:37:41,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54 states, 34 states have (on average 1.3529411764705883) internal successors, (46), 45 states have internal predecessors, (46), 7 states have call successors, (7), 3 states have call predecessors, (7), 3 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-10 19:37:41,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 59 transitions. [2024-11-10 19:37:41,887 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 59 transitions. Word has length 11 [2024-11-10 19:37:41,887 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:37:41,887 INFO L471 AbstractCegarLoop]: Abstraction has 54 states and 59 transitions. [2024-11-10 19:37:41,887 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 19:37:41,887 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 59 transitions. [2024-11-10 19:37:41,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-10 19:37:41,888 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:37:41,888 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:37:41,888 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-10 19:37:41,889 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting applyHanoiErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-11-10 19:37:41,889 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:37:41,889 INFO L85 PathProgramCache]: Analyzing trace with hash -1291425166, now seen corresponding path program 1 times [2024-11-10 19:37:41,890 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:37:41,890 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1687332248] [2024-11-10 19:37:41,890 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:37:41,890 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:37:41,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:37:42,045 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 19:37:42,046 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:37:42,046 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1687332248] [2024-11-10 19:37:42,046 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1687332248] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:37:42,046 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [610550435] [2024-11-10 19:37:42,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:37:42,047 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:37:42,047 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:37:42,049 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) [2024-11-10 19:37:42,050 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-10 19:37:42,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:37:42,104 INFO L255 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-10 19:37:42,113 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:37:42,208 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 19:37:42,209 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 19:37:42,210 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [610550435] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:37:42,210 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-10 19:37:42,210 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 8 [2024-11-10 19:37:42,211 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [223126673] [2024-11-10 19:37:42,211 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:37:42,211 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 19:37:42,211 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:37:42,212 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 19:37:42,212 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2024-11-10 19:37:42,216 INFO L87 Difference]: Start difference. First operand 54 states and 59 transitions. Second operand has 5 states, 4 states have (on average 3.25) internal successors, (13), 5 states have internal predecessors, (13), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 19:37:42,245 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:37:42,248 INFO L93 Difference]: Finished difference Result 54 states and 59 transitions. [2024-11-10 19:37:42,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 19:37:42,249 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 3.25) internal successors, (13), 5 states have internal predecessors, (13), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2024-11-10 19:37:42,249 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:37:42,250 INFO L225 Difference]: With dead ends: 54 [2024-11-10 19:37:42,250 INFO L226 Difference]: Without dead ends: 53 [2024-11-10 19:37:42,251 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2024-11-10 19:37:42,252 INFO L432 NwaCegarLoop]: 39 mSDtfsCounter, 39 mSDsluCounter, 39 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 78 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 19:37:42,253 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [39 Valid, 78 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 19:37:42,253 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2024-11-10 19:37:42,259 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2024-11-10 19:37:42,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53 states, 34 states have (on average 1.3235294117647058) internal successors, (45), 44 states have internal predecessors, (45), 7 states have call successors, (7), 3 states have call predecessors, (7), 3 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-10 19:37:42,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 58 transitions. [2024-11-10 19:37:42,262 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 58 transitions. Word has length 15 [2024-11-10 19:37:42,262 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:37:42,262 INFO L471 AbstractCegarLoop]: Abstraction has 53 states and 58 transitions. [2024-11-10 19:37:42,262 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 3.25) internal successors, (13), 5 states have internal predecessors, (13), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 19:37:42,262 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 58 transitions. [2024-11-10 19:37:42,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-10 19:37:42,263 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:37:42,263 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:37:42,282 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-10 19:37:42,467 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:37:42,468 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting applyHanoiErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-11-10 19:37:42,469 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:37:42,469 INFO L85 PathProgramCache]: Analyzing trace with hash -1379474501, now seen corresponding path program 1 times [2024-11-10 19:37:42,469 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:37:42,470 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [447676103] [2024-11-10 19:37:42,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:37:42,470 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:37:42,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:37:42,576 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 19:37:42,576 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:37:42,576 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [447676103] [2024-11-10 19:37:42,577 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [447676103] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:37:42,577 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [127070769] [2024-11-10 19:37:42,578 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:37:42,578 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:37:42,578 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:37:42,580 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) [2024-11-10 19:37:42,582 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-10 19:37:42,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:37:42,623 INFO L255 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-10 19:37:42,625 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:37:42,679 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 19:37:42,679 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:37:42,758 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 19:37:42,760 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [127070769] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 19:37:42,760 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 19:37:42,760 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 11 [2024-11-10 19:37:42,760 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1665010928] [2024-11-10 19:37:42,761 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 19:37:42,761 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-10 19:37:42,761 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:37:42,762 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-10 19:37:42,764 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2024-11-10 19:37:42,764 INFO L87 Difference]: Start difference. First operand 53 states and 58 transitions. Second operand has 12 states, 11 states have (on average 2.909090909090909) internal successors, (32), 12 states have internal predecessors, (32), 5 states have call successors, (5), 5 states have call predecessors, (5), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 19:37:42,927 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:37:42,928 INFO L93 Difference]: Finished difference Result 166 states and 198 transitions. [2024-11-10 19:37:42,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-10 19:37:42,928 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 2.909090909090909) internal successors, (32), 12 states have internal predecessors, (32), 5 states have call successors, (5), 5 states have call predecessors, (5), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2024-11-10 19:37:42,929 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:37:42,931 INFO L225 Difference]: With dead ends: 166 [2024-11-10 19:37:42,931 INFO L226 Difference]: Without dead ends: 165 [2024-11-10 19:37:42,932 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=77, Invalid=163, Unknown=0, NotChecked=0, Total=240 [2024-11-10 19:37:42,933 INFO L432 NwaCegarLoop]: 40 mSDtfsCounter, 134 mSDsluCounter, 272 mSDsCounter, 0 mSdLazyCounter, 80 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 134 SdHoareTripleChecker+Valid, 312 SdHoareTripleChecker+Invalid, 90 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 80 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 19:37:42,933 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [134 Valid, 312 Invalid, 90 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 80 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 19:37:42,934 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 165 states. [2024-11-10 19:37:42,988 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 165 to 94. [2024-11-10 19:37:42,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 94 states, 65 states have (on average 1.2769230769230768) internal successors, (83), 77 states have internal predecessors, (83), 14 states have call successors, (14), 6 states have call predecessors, (14), 6 states have return successors, (28), 13 states have call predecessors, (28), 13 states have call successors, (28) [2024-11-10 19:37:42,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 125 transitions. [2024-11-10 19:37:42,990 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 125 transitions. Word has length 16 [2024-11-10 19:37:42,990 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:37:42,990 INFO L471 AbstractCegarLoop]: Abstraction has 94 states and 125 transitions. [2024-11-10 19:37:42,991 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 2.909090909090909) internal successors, (32), 12 states have internal predecessors, (32), 5 states have call successors, (5), 5 states have call predecessors, (5), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 19:37:42,991 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 125 transitions. [2024-11-10 19:37:42,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-10 19:37:42,991 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:37:42,992 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:37:43,009 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-10 19:37:43,195 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:37:43,195 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting applyHanoiErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-11-10 19:37:43,196 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:37:43,196 INFO L85 PathProgramCache]: Analyzing trace with hash 1469898361, now seen corresponding path program 1 times [2024-11-10 19:37:43,196 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:37:43,196 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1515409940] [2024-11-10 19:37:43,196 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:37:43,196 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:37:43,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:37:43,282 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 19:37:43,283 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:37:43,283 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1515409940] [2024-11-10 19:37:43,283 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1515409940] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:37:43,283 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2025233162] [2024-11-10 19:37:43,283 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:37:43,284 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:37:43,284 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:37:43,286 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) [2024-11-10 19:37:43,287 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-10 19:37:43,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:37:43,333 INFO L255 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-10 19:37:43,334 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:37:43,368 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 19:37:43,368 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:37:43,450 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 19:37:43,450 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2025233162] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 19:37:43,450 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 19:37:43,451 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 11 [2024-11-10 19:37:43,451 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1801011299] [2024-11-10 19:37:43,451 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 19:37:43,451 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-10 19:37:43,451 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:37:43,452 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-10 19:37:43,452 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2024-11-10 19:37:43,452 INFO L87 Difference]: Start difference. First operand 94 states and 125 transitions. Second operand has 12 states, 9 states have (on average 3.3333333333333335) internal successors, (30), 8 states have internal predecessors, (30), 4 states have call successors, (4), 4 states have call predecessors, (4), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 19:37:43,580 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:37:43,580 INFO L93 Difference]: Finished difference Result 100 states and 131 transitions. [2024-11-10 19:37:43,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-10 19:37:43,581 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 9 states have (on average 3.3333333333333335) internal successors, (30), 8 states have internal predecessors, (30), 4 states have call successors, (4), 4 states have call predecessors, (4), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2024-11-10 19:37:43,582 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:37:43,583 INFO L225 Difference]: With dead ends: 100 [2024-11-10 19:37:43,583 INFO L226 Difference]: Without dead ends: 98 [2024-11-10 19:37:43,584 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=64, Invalid=146, Unknown=0, NotChecked=0, Total=210 [2024-11-10 19:37:43,585 INFO L432 NwaCegarLoop]: 33 mSDtfsCounter, 41 mSDsluCounter, 161 mSDsCounter, 0 mSdLazyCounter, 54 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 42 SdHoareTripleChecker+Valid, 194 SdHoareTripleChecker+Invalid, 71 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 54 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 19:37:43,587 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [42 Valid, 194 Invalid, 71 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 54 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 19:37:43,588 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2024-11-10 19:37:43,609 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 98. [2024-11-10 19:37:43,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 98 states, 68 states have (on average 1.1764705882352942) internal successors, (80), 78 states have internal predecessors, (80), 14 states have call successors, (14), 6 states have call predecessors, (14), 9 states have return successors, (31), 13 states have call predecessors, (31), 13 states have call successors, (31) [2024-11-10 19:37:43,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 125 transitions. [2024-11-10 19:37:43,615 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 125 transitions. Word has length 18 [2024-11-10 19:37:43,615 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:37:43,615 INFO L471 AbstractCegarLoop]: Abstraction has 98 states and 125 transitions. [2024-11-10 19:37:43,616 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 9 states have (on average 3.3333333333333335) internal successors, (30), 8 states have internal predecessors, (30), 4 states have call successors, (4), 4 states have call predecessors, (4), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 19:37:43,616 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 125 transitions. [2024-11-10 19:37:43,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-10 19:37:43,616 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:37:43,617 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:37:43,635 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-10 19:37:43,817 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:37:43,818 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting hanoiErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-11-10 19:37:43,818 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:37:43,818 INFO L85 PathProgramCache]: Analyzing trace with hash 1634697489, now seen corresponding path program 1 times [2024-11-10 19:37:43,818 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:37:43,818 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [839892921] [2024-11-10 19:37:43,818 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:37:43,819 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:37:43,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:37:43,873 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-10 19:37:43,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:37:43,885 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-10 19:37:43,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:37:43,888 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-10 19:37:43,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:37:43,891 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-10 19:37:43,891 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:37:43,891 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [839892921] [2024-11-10 19:37:43,891 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [839892921] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:37:43,892 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:37:43,892 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 19:37:43,892 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1168779329] [2024-11-10 19:37:43,892 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:37:43,892 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 19:37:43,893 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:37:43,894 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 19:37:43,894 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-10 19:37:43,894 INFO L87 Difference]: Start difference. First operand 98 states and 125 transitions. Second operand has 6 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-10 19:37:44,003 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:37:44,003 INFO L93 Difference]: Finished difference Result 119 states and 146 transitions. [2024-11-10 19:37:44,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 19:37:44,004 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 29 [2024-11-10 19:37:44,004 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:37:44,005 INFO L225 Difference]: With dead ends: 119 [2024-11-10 19:37:44,005 INFO L226 Difference]: Without dead ends: 113 [2024-11-10 19:37:44,006 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2024-11-10 19:37:44,006 INFO L432 NwaCegarLoop]: 21 mSDtfsCounter, 73 mSDsluCounter, 66 mSDsCounter, 0 mSdLazyCounter, 92 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 74 SdHoareTripleChecker+Valid, 87 SdHoareTripleChecker+Invalid, 97 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 92 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 19:37:44,007 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [74 Valid, 87 Invalid, 97 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 92 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 19:37:44,007 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2024-11-10 19:37:44,031 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 108. [2024-11-10 19:37:44,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 108 states, 77 states have (on average 1.2077922077922079) internal successors, (93), 86 states have internal predecessors, (93), 15 states have call successors, (15), 7 states have call predecessors, (15), 9 states have return successors, (32), 14 states have call predecessors, (32), 14 states have call successors, (32) [2024-11-10 19:37:44,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 140 transitions. [2024-11-10 19:37:44,033 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 140 transitions. Word has length 29 [2024-11-10 19:37:44,033 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:37:44,034 INFO L471 AbstractCegarLoop]: Abstraction has 108 states and 140 transitions. [2024-11-10 19:37:44,034 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-10 19:37:44,034 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 140 transitions. [2024-11-10 19:37:44,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-10 19:37:44,035 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:37:44,035 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:37:44,035 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-10 19:37:44,036 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting hanoiErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-11-10 19:37:44,036 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:37:44,036 INFO L85 PathProgramCache]: Analyzing trace with hash -863985390, now seen corresponding path program 1 times [2024-11-10 19:37:44,036 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:37:44,037 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1100695648] [2024-11-10 19:37:44,037 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:37:44,037 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:37:44,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:37:44,094 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-10 19:37:44,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:37:44,159 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-10 19:37:44,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:37:44,195 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-10 19:37:44,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:37:44,206 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 7 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-10 19:37:44,207 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:37:44,207 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1100695648] [2024-11-10 19:37:44,207 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1100695648] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:37:44,207 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [547208169] [2024-11-10 19:37:44,207 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:37:44,208 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:37:44,208 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:37:44,210 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) [2024-11-10 19:37:44,211 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-10 19:37:44,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:37:44,265 INFO L255 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-10 19:37:44,267 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:37:44,312 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-10 19:37:44,313 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 19:37:44,313 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [547208169] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:37:44,313 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-10 19:37:44,313 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [10] total 13 [2024-11-10 19:37:44,314 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [97339924] [2024-11-10 19:37:44,314 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:37:44,314 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 19:37:44,314 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:37:44,315 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 19:37:44,315 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=148, Unknown=0, NotChecked=0, Total=182 [2024-11-10 19:37:44,315 INFO L87 Difference]: Start difference. First operand 108 states and 140 transitions. Second operand has 5 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-10 19:37:44,351 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:37:44,351 INFO L93 Difference]: Finished difference Result 110 states and 143 transitions. [2024-11-10 19:37:44,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 19:37:44,352 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 30 [2024-11-10 19:37:44,352 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:37:44,353 INFO L225 Difference]: With dead ends: 110 [2024-11-10 19:37:44,353 INFO L226 Difference]: Without dead ends: 109 [2024-11-10 19:37:44,354 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=172, Unknown=0, NotChecked=0, Total=210 [2024-11-10 19:37:44,355 INFO L432 NwaCegarLoop]: 35 mSDtfsCounter, 29 mSDsluCounter, 75 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 110 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 19:37:44,355 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [29 Valid, 110 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 19:37:44,356 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2024-11-10 19:37:44,367 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 107. [2024-11-10 19:37:44,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 107 states, 77 states have (on average 1.1818181818181819) internal successors, (91), 85 states have internal predecessors, (91), 15 states have call successors, (15), 7 states have call predecessors, (15), 9 states have return successors, (32), 14 states have call predecessors, (32), 14 states have call successors, (32) [2024-11-10 19:37:44,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 138 transitions. [2024-11-10 19:37:44,369 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 138 transitions. Word has length 30 [2024-11-10 19:37:44,370 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:37:44,370 INFO L471 AbstractCegarLoop]: Abstraction has 107 states and 138 transitions. [2024-11-10 19:37:44,370 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-10 19:37:44,370 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 138 transitions. [2024-11-10 19:37:44,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-10 19:37:44,371 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:37:44,371 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:37:44,389 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-10 19:37:44,575 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:37:44,576 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting hanoiErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-11-10 19:37:44,576 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:37:44,576 INFO L85 PathProgramCache]: Analyzing trace with hash 1783920312, now seen corresponding path program 1 times [2024-11-10 19:37:44,576 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:37:44,577 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [754359368] [2024-11-10 19:37:44,577 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:37:44,577 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:37:44,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:37:44,670 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-10 19:37:44,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:37:44,682 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-10 19:37:44,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:37:44,686 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-10 19:37:44,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:37:44,688 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-10 19:37:44,689 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:37:44,689 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [754359368] [2024-11-10 19:37:44,689 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [754359368] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:37:44,689 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [738113738] [2024-11-10 19:37:44,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:37:44,690 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:37:44,690 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:37:44,692 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) [2024-11-10 19:37:44,699 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-10 19:37:44,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:37:44,760 INFO L255 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-10 19:37:44,762 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:37:44,791 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-10 19:37:44,791 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:37:44,897 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-10 19:37:44,897 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [738113738] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 19:37:44,897 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 19:37:44,897 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6, 6] total 12 [2024-11-10 19:37:44,898 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [415521006] [2024-11-10 19:37:44,898 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 19:37:44,898 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-10 19:37:44,899 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:37:44,899 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-10 19:37:44,899 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2024-11-10 19:37:44,900 INFO L87 Difference]: Start difference. First operand 107 states and 138 transitions. Second operand has 13 states, 10 states have (on average 3.0) internal successors, (30), 8 states have internal predecessors, (30), 5 states have call successors, (11), 6 states have call predecessors, (11), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-10 19:37:45,233 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:37:45,233 INFO L93 Difference]: Finished difference Result 171 states and 204 transitions. [2024-11-10 19:37:45,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-10 19:37:45,234 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 10 states have (on average 3.0) internal successors, (30), 8 states have internal predecessors, (30), 5 states have call successors, (11), 6 states have call predecessors, (11), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Word has length 34 [2024-11-10 19:37:45,235 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:37:45,236 INFO L225 Difference]: With dead ends: 171 [2024-11-10 19:37:45,236 INFO L226 Difference]: Without dead ends: 170 [2024-11-10 19:37:45,237 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 63 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=120, Invalid=342, Unknown=0, NotChecked=0, Total=462 [2024-11-10 19:37:45,238 INFO L432 NwaCegarLoop]: 21 mSDtfsCounter, 239 mSDsluCounter, 126 mSDsCounter, 0 mSdLazyCounter, 196 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 239 SdHoareTripleChecker+Valid, 147 SdHoareTripleChecker+Invalid, 222 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 196 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-10 19:37:45,238 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [239 Valid, 147 Invalid, 222 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 196 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-10 19:37:45,239 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 170 states. [2024-11-10 19:37:45,257 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 170 to 146. [2024-11-10 19:37:45,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 146 states, 110 states have (on average 1.2636363636363637) internal successors, (139), 118 states have internal predecessors, (139), 18 states have call successors, (18), 10 states have call predecessors, (18), 12 states have return successors, (35), 17 states have call predecessors, (35), 17 states have call successors, (35) [2024-11-10 19:37:45,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 192 transitions. [2024-11-10 19:37:45,260 INFO L78 Accepts]: Start accepts. Automaton has 146 states and 192 transitions. Word has length 34 [2024-11-10 19:37:45,260 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:37:45,261 INFO L471 AbstractCegarLoop]: Abstraction has 146 states and 192 transitions. [2024-11-10 19:37:45,261 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 10 states have (on average 3.0) internal successors, (30), 8 states have internal predecessors, (30), 5 states have call successors, (11), 6 states have call predecessors, (11), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-10 19:37:45,261 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 192 transitions. [2024-11-10 19:37:45,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-11-10 19:37:45,262 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:37:45,262 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:37:45,281 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-11-10 19:37:45,463 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:37:45,464 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting hanoiErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-11-10 19:37:45,465 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:37:45,465 INFO L85 PathProgramCache]: Analyzing trace with hash -1156048735, now seen corresponding path program 1 times [2024-11-10 19:37:45,465 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:37:45,465 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [688043806] [2024-11-10 19:37:45,466 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:37:45,466 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:37:45,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:37:45,508 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-10 19:37:45,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:37:45,514 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-10 19:37:45,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:37:45,517 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-10 19:37:45,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:37:45,520 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-10 19:37:45,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:37:45,533 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-10 19:37:45,533 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:37:45,534 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [688043806] [2024-11-10 19:37:45,534 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [688043806] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:37:45,534 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:37:45,534 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-10 19:37:45,534 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1953986430] [2024-11-10 19:37:45,534 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:37:45,535 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 19:37:45,536 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:37:45,536 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 19:37:45,536 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-10 19:37:45,536 INFO L87 Difference]: Start difference. First operand 146 states and 192 transitions. Second operand has 5 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 1 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-10 19:37:45,622 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:37:45,623 INFO L93 Difference]: Finished difference Result 187 states and 249 transitions. [2024-11-10 19:37:45,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 19:37:45,623 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 1 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) Word has length 37 [2024-11-10 19:37:45,624 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:37:45,625 INFO L225 Difference]: With dead ends: 187 [2024-11-10 19:37:45,625 INFO L226 Difference]: Without dead ends: 176 [2024-11-10 19:37:45,625 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-10 19:37:45,626 INFO L432 NwaCegarLoop]: 21 mSDtfsCounter, 36 mSDsluCounter, 49 mSDsCounter, 0 mSdLazyCounter, 64 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 38 SdHoareTripleChecker+Valid, 70 SdHoareTripleChecker+Invalid, 68 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 64 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 19:37:45,626 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [38 Valid, 70 Invalid, 68 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 64 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 19:37:45,627 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 176 states. [2024-11-10 19:37:45,648 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 176 to 172. [2024-11-10 19:37:45,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 172 states, 133 states have (on average 1.2105263157894737) internal successors, (161), 140 states have internal predecessors, (161), 18 states have call successors, (18), 10 states have call predecessors, (18), 15 states have return successors, (39), 21 states have call predecessors, (39), 17 states have call successors, (39) [2024-11-10 19:37:45,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 172 states and 218 transitions. [2024-11-10 19:37:45,651 INFO L78 Accepts]: Start accepts. Automaton has 172 states and 218 transitions. Word has length 37 [2024-11-10 19:37:45,652 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:37:45,652 INFO L471 AbstractCegarLoop]: Abstraction has 172 states and 218 transitions. [2024-11-10 19:37:45,652 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 1 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-10 19:37:45,652 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 218 transitions. [2024-11-10 19:37:45,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-10 19:37:45,657 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:37:45,658 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1] [2024-11-10 19:37:45,658 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-10 19:37:45,658 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting applyHanoiErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-11-10 19:37:45,659 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:37:45,659 INFO L85 PathProgramCache]: Analyzing trace with hash -563634802, now seen corresponding path program 2 times [2024-11-10 19:37:45,659 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:37:45,659 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1716891741] [2024-11-10 19:37:45,659 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:37:45,659 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:37:45,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:37:45,885 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 19:37:45,885 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:37:45,885 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1716891741] [2024-11-10 19:37:45,885 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1716891741] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:37:45,885 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [175457852] [2024-11-10 19:37:45,885 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-10 19:37:45,886 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:37:45,886 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:37:45,887 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) [2024-11-10 19:37:45,888 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-10 19:37:45,937 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-10 19:37:45,937 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-10 19:37:45,939 INFO L255 TraceCheckSpWp]: Trace formula consists of 170 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-10 19:37:45,941 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:37:46,026 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 19:37:46,027 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:37:46,215 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 19:37:46,216 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [175457852] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 19:37:46,216 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 19:37:46,216 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 23 [2024-11-10 19:37:46,216 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1467103671] [2024-11-10 19:37:46,217 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 19:37:46,217 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-11-10 19:37:46,217 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:37:46,218 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-11-10 19:37:46,218 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=155, Invalid=397, Unknown=0, NotChecked=0, Total=552 [2024-11-10 19:37:46,218 INFO L87 Difference]: Start difference. First operand 172 states and 218 transitions. Second operand has 24 states, 23 states have (on average 3.217391304347826) internal successors, (74), 24 states have internal predecessors, (74), 11 states have call successors, (11), 11 states have call predecessors, (11), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 19:37:46,730 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:37:46,731 INFO L93 Difference]: Finished difference Result 1146 states and 1500 transitions. [2024-11-10 19:37:46,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-11-10 19:37:46,732 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 23 states have (on average 3.217391304347826) internal successors, (74), 24 states have internal predecessors, (74), 11 states have call successors, (11), 11 states have call predecessors, (11), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 40 [2024-11-10 19:37:46,732 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:37:46,742 INFO L225 Difference]: With dead ends: 1146 [2024-11-10 19:37:46,743 INFO L226 Difference]: Without dead ends: 1145 [2024-11-10 19:37:46,745 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 72 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 232 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=332, Invalid=790, Unknown=0, NotChecked=0, Total=1122 [2024-11-10 19:37:46,746 INFO L432 NwaCegarLoop]: 37 mSDtfsCounter, 640 mSDsluCounter, 376 mSDsCounter, 0 mSdLazyCounter, 197 mSolverCounterSat, 105 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 640 SdHoareTripleChecker+Valid, 413 SdHoareTripleChecker+Invalid, 302 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 105 IncrementalHoareTripleChecker+Valid, 197 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-10 19:37:46,746 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [640 Valid, 413 Invalid, 302 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [105 Valid, 197 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-10 19:37:46,748 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1145 states. [2024-11-10 19:37:46,788 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1145 to 280. [2024-11-10 19:37:46,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 280 states, 211 states have (on average 1.161137440758294) internal successors, (245), 224 states have internal predecessors, (245), 36 states have call successors, (36), 16 states have call predecessors, (36), 27 states have return successors, (168), 39 states have call predecessors, (168), 35 states have call successors, (168) [2024-11-10 19:37:46,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 280 states and 449 transitions. [2024-11-10 19:37:46,794 INFO L78 Accepts]: Start accepts. Automaton has 280 states and 449 transitions. Word has length 40 [2024-11-10 19:37:46,795 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:37:46,795 INFO L471 AbstractCegarLoop]: Abstraction has 280 states and 449 transitions. [2024-11-10 19:37:46,795 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 23 states have (on average 3.217391304347826) internal successors, (74), 24 states have internal predecessors, (74), 11 states have call successors, (11), 11 states have call predecessors, (11), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 19:37:46,796 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 449 transitions. [2024-11-10 19:37:46,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2024-11-10 19:37:46,799 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:37:46,800 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 4, 4, 4, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:37:46,818 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-11-10 19:37:47,000 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:37:47,001 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting hanoiErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-11-10 19:37:47,002 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:37:47,002 INFO L85 PathProgramCache]: Analyzing trace with hash 242969041, now seen corresponding path program 2 times [2024-11-10 19:37:47,002 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:37:47,002 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [954557024] [2024-11-10 19:37:47,002 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:37:47,002 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:37:47,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:37:47,177 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-10 19:37:47,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:37:47,244 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-10 19:37:47,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:37:47,279 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-10 19:37:47,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:37:47,284 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 2 proven. 49 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-10 19:37:47,284 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:37:47,285 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [954557024] [2024-11-10 19:37:47,285 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [954557024] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:37:47,285 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [678809754] [2024-11-10 19:37:47,285 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-10 19:37:47,285 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:37:47,285 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:37:47,287 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) [2024-11-10 19:37:47,289 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-10 19:37:47,335 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-10 19:37:47,335 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-10 19:37:47,336 INFO L255 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-10 19:37:47,338 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:37:47,377 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-10 19:37:47,378 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:37:47,608 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-10 19:37:47,609 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [678809754] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 19:37:47,609 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 19:37:47,609 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 12, 12] total 29 [2024-11-10 19:37:47,610 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [337615124] [2024-11-10 19:37:47,610 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 19:37:47,610 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2024-11-10 19:37:47,611 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:37:47,611 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2024-11-10 19:37:47,612 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=153, Invalid=717, Unknown=0, NotChecked=0, Total=870 [2024-11-10 19:37:47,612 INFO L87 Difference]: Start difference. First operand 280 states and 449 transitions. Second operand has 30 states, 27 states have (on average 2.5185185185185186) internal successors, (68), 19 states have internal predecessors, (68), 13 states have call successors, (17), 12 states have call predecessors, (17), 3 states have return successors, (7), 5 states have call predecessors, (7), 5 states have call successors, (7) [2024-11-10 19:37:48,511 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:37:48,511 INFO L93 Difference]: Finished difference Result 441 states and 605 transitions. [2024-11-10 19:37:48,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-11-10 19:37:48,512 INFO L78 Accepts]: Start accepts. Automaton has has 30 states, 27 states have (on average 2.5185185185185186) internal successors, (68), 19 states have internal predecessors, (68), 13 states have call successors, (17), 12 states have call predecessors, (17), 3 states have return successors, (7), 5 states have call predecessors, (7), 5 states have call successors, (7) Word has length 49 [2024-11-10 19:37:48,512 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:37:48,515 INFO L225 Difference]: With dead ends: 441 [2024-11-10 19:37:48,515 INFO L226 Difference]: Without dead ends: 440 [2024-11-10 19:37:48,517 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 143 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 697 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=560, Invalid=2410, Unknown=0, NotChecked=0, Total=2970 [2024-11-10 19:37:48,517 INFO L432 NwaCegarLoop]: 13 mSDtfsCounter, 669 mSDsluCounter, 107 mSDsCounter, 0 mSdLazyCounter, 686 mSolverCounterSat, 66 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 673 SdHoareTripleChecker+Valid, 120 SdHoareTripleChecker+Invalid, 752 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 66 IncrementalHoareTripleChecker+Valid, 686 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-10 19:37:48,517 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [673 Valid, 120 Invalid, 752 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [66 Valid, 686 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-10 19:37:48,518 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 440 states. [2024-11-10 19:37:48,572 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 440 to 400. [2024-11-10 19:37:48,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 400 states, 313 states have (on average 1.2044728434504792) internal successors, (377), 326 states have internal predecessors, (377), 42 states have call successors, (42), 22 states have call predecessors, (42), 39 states have return successors, (180), 51 states have call predecessors, (180), 41 states have call successors, (180) [2024-11-10 19:37:48,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 400 states to 400 states and 599 transitions. [2024-11-10 19:37:48,578 INFO L78 Accepts]: Start accepts. Automaton has 400 states and 599 transitions. Word has length 49 [2024-11-10 19:37:48,578 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:37:48,578 INFO L471 AbstractCegarLoop]: Abstraction has 400 states and 599 transitions. [2024-11-10 19:37:48,578 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 27 states have (on average 2.5185185185185186) internal successors, (68), 19 states have internal predecessors, (68), 13 states have call successors, (17), 12 states have call predecessors, (17), 3 states have return successors, (7), 5 states have call predecessors, (7), 5 states have call successors, (7) [2024-11-10 19:37:48,579 INFO L276 IsEmpty]: Start isEmpty. Operand 400 states and 599 transitions. [2024-11-10 19:37:48,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-10 19:37:48,580 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:37:48,580 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:37:48,597 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-10 19:37:48,780 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:37:48,781 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting hanoiErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-11-10 19:37:48,781 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:37:48,781 INFO L85 PathProgramCache]: Analyzing trace with hash 1899257786, now seen corresponding path program 1 times [2024-11-10 19:37:48,781 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:37:48,781 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1451939482] [2024-11-10 19:37:48,781 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:37:48,782 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:37:48,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:37:48,881 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-10 19:37:48,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:37:48,937 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-10 19:37:48,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:37:48,978 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-10 19:37:48,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:37:48,983 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-10 19:37:48,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:37:49,016 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-10 19:37:49,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:37:49,063 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-10 19:37:49,064 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:37:49,064 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1451939482] [2024-11-10 19:37:49,064 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1451939482] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:37:49,064 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1575117065] [2024-11-10 19:37:49,064 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:37:49,064 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:37:49,064 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:37:49,066 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) [2024-11-10 19:37:49,068 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-10 19:37:49,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:37:49,117 INFO L255 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-10 19:37:49,119 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:37:49,222 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 6 proven. 13 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-10 19:37:49,223 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:37:49,603 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 6 proven. 15 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-10 19:37:49,603 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1575117065] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 19:37:49,603 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 19:37:49,604 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 11, 13] total 28 [2024-11-10 19:37:49,604 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [269573208] [2024-11-10 19:37:49,604 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 19:37:49,604 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2024-11-10 19:37:49,604 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:37:49,606 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2024-11-10 19:37:49,606 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=101, Invalid=655, Unknown=0, NotChecked=0, Total=756 [2024-11-10 19:37:49,607 INFO L87 Difference]: Start difference. First operand 400 states and 599 transitions. Second operand has 28 states, 26 states have (on average 3.1153846153846154) internal successors, (81), 23 states have internal predecessors, (81), 14 states have call successors, (15), 4 states have call predecessors, (15), 8 states have return successors, (14), 8 states have call predecessors, (14), 12 states have call successors, (14) [2024-11-10 19:37:50,225 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:37:50,225 INFO L93 Difference]: Finished difference Result 1097 states and 1820 transitions. [2024-11-10 19:37:50,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-11-10 19:37:50,226 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 26 states have (on average 3.1153846153846154) internal successors, (81), 23 states have internal predecessors, (81), 14 states have call successors, (15), 4 states have call predecessors, (15), 8 states have return successors, (14), 8 states have call predecessors, (14), 12 states have call successors, (14) Word has length 50 [2024-11-10 19:37:50,226 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:37:50,231 INFO L225 Difference]: With dead ends: 1097 [2024-11-10 19:37:50,231 INFO L226 Difference]: Without dead ends: 725 [2024-11-10 19:37:50,237 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 139 GetRequests, 94 SyntacticMatches, 3 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 364 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=273, Invalid=1619, Unknown=0, NotChecked=0, Total=1892 [2024-11-10 19:37:50,239 INFO L432 NwaCegarLoop]: 19 mSDtfsCounter, 178 mSDsluCounter, 191 mSDsCounter, 0 mSdLazyCounter, 525 mSolverCounterSat, 69 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 185 SdHoareTripleChecker+Valid, 210 SdHoareTripleChecker+Invalid, 594 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 69 IncrementalHoareTripleChecker+Valid, 525 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-10 19:37:50,239 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [185 Valid, 210 Invalid, 594 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [69 Valid, 525 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-10 19:37:50,241 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 725 states. [2024-11-10 19:37:50,295 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 725 to 681. [2024-11-10 19:37:50,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 681 states, 535 states have (on average 1.1775700934579438) internal successors, (630), 545 states have internal predecessors, (630), 91 states have call successors, (91), 52 states have call predecessors, (91), 49 states have return successors, (238), 83 states have call predecessors, (238), 70 states have call successors, (238) [2024-11-10 19:37:50,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 681 states to 681 states and 959 transitions. [2024-11-10 19:37:50,303 INFO L78 Accepts]: Start accepts. Automaton has 681 states and 959 transitions. Word has length 50 [2024-11-10 19:37:50,303 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:37:50,303 INFO L471 AbstractCegarLoop]: Abstraction has 681 states and 959 transitions. [2024-11-10 19:37:50,304 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 26 states have (on average 3.1153846153846154) internal successors, (81), 23 states have internal predecessors, (81), 14 states have call successors, (15), 4 states have call predecessors, (15), 8 states have return successors, (14), 8 states have call predecessors, (14), 12 states have call successors, (14) [2024-11-10 19:37:50,304 INFO L276 IsEmpty]: Start isEmpty. Operand 681 states and 959 transitions. [2024-11-10 19:37:50,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2024-11-10 19:37:50,307 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:37:50,307 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 10, 10, 10, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:37:50,324 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-11-10 19:37:50,511 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,SelfDestructingSolverStorable12 [2024-11-10 19:37:50,512 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting hanoiErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-11-10 19:37:50,513 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:37:50,513 INFO L85 PathProgramCache]: Analyzing trace with hash -1259994383, now seen corresponding path program 3 times [2024-11-10 19:37:50,513 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:37:50,513 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1723455101] [2024-11-10 19:37:50,513 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:37:50,514 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:37:50,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:37:50,961 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-10 19:37:50,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:37:51,038 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-10 19:37:51,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:37:51,084 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-10 19:37:51,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:37:51,092 INFO L134 CoverageAnalysis]: Checked inductivity of 267 backedges. 2 proven. 262 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-10 19:37:51,095 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:37:51,095 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1723455101] [2024-11-10 19:37:51,095 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1723455101] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:37:51,095 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [204688657] [2024-11-10 19:37:51,095 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-10 19:37:51,096 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:37:51,096 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:37:51,097 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) [2024-11-10 19:37:51,099 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-10 19:37:51,149 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2024-11-10 19:37:51,149 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-10 19:37:51,150 INFO L255 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-10 19:37:51,152 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:37:51,286 INFO L134 CoverageAnalysis]: Checked inductivity of 267 backedges. 25 proven. 3 refuted. 0 times theorem prover too weak. 239 trivial. 0 not checked. [2024-11-10 19:37:51,287 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:37:51,505 INFO L134 CoverageAnalysis]: Checked inductivity of 267 backedges. 25 proven. 4 refuted. 0 times theorem prover too weak. 238 trivial. 0 not checked. [2024-11-10 19:37:51,505 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [204688657] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 19:37:51,505 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 19:37:51,505 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [30, 9, 10] total 39 [2024-11-10 19:37:51,505 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1004318391] [2024-11-10 19:37:51,505 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 19:37:51,506 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 39 states [2024-11-10 19:37:51,506 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:37:51,506 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2024-11-10 19:37:51,507 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=231, Invalid=1251, Unknown=0, NotChecked=0, Total=1482 [2024-11-10 19:37:51,508 INFO L87 Difference]: Start difference. First operand 681 states and 959 transitions. Second operand has 39 states, 37 states have (on average 2.5405405405405403) internal successors, (94), 25 states have internal predecessors, (94), 18 states have call successors, (21), 15 states have call predecessors, (21), 5 states have return successors, (8), 7 states have call predecessors, (8), 6 states have call successors, (8) [2024-11-10 19:37:52,743 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:37:52,744 INFO L93 Difference]: Finished difference Result 924 states and 1174 transitions. [2024-11-10 19:37:52,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-11-10 19:37:52,745 INFO L78 Accepts]: Start accepts. Automaton has has 39 states, 37 states have (on average 2.5405405405405403) internal successors, (94), 25 states have internal predecessors, (94), 18 states have call successors, (21), 15 states have call predecessors, (21), 5 states have return successors, (8), 7 states have call predecessors, (8), 6 states have call successors, (8) Word has length 79 [2024-11-10 19:37:52,745 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:37:52,749 INFO L225 Difference]: With dead ends: 924 [2024-11-10 19:37:52,750 INFO L226 Difference]: Without dead ends: 749 [2024-11-10 19:37:52,752 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 222 GetRequests, 152 SyntacticMatches, 3 SemanticMatches, 67 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1139 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=803, Invalid=3889, Unknown=0, NotChecked=0, Total=4692 [2024-11-10 19:37:52,752 INFO L432 NwaCegarLoop]: 13 mSDtfsCounter, 794 mSDsluCounter, 124 mSDsCounter, 0 mSdLazyCounter, 787 mSolverCounterSat, 99 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 802 SdHoareTripleChecker+Valid, 137 SdHoareTripleChecker+Invalid, 886 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 99 IncrementalHoareTripleChecker+Valid, 787 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-10 19:37:52,752 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [802 Valid, 137 Invalid, 886 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [99 Valid, 787 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-10 19:37:52,753 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 749 states. [2024-11-10 19:37:52,805 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 749 to 703. [2024-11-10 19:37:52,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 703 states, 557 states have (on average 1.1759425493716338) internal successors, (655), 557 states have internal predecessors, (655), 90 states have call successors, (90), 61 states have call predecessors, (90), 50 states have return successors, (222), 84 states have call predecessors, (222), 70 states have call successors, (222) [2024-11-10 19:37:52,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 703 states to 703 states and 967 transitions. [2024-11-10 19:37:52,812 INFO L78 Accepts]: Start accepts. Automaton has 703 states and 967 transitions. Word has length 79 [2024-11-10 19:37:52,812 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:37:52,812 INFO L471 AbstractCegarLoop]: Abstraction has 703 states and 967 transitions. [2024-11-10 19:37:52,813 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 39 states, 37 states have (on average 2.5405405405405403) internal successors, (94), 25 states have internal predecessors, (94), 18 states have call successors, (21), 15 states have call predecessors, (21), 5 states have return successors, (8), 7 states have call predecessors, (8), 6 states have call successors, (8) [2024-11-10 19:37:52,813 INFO L276 IsEmpty]: Start isEmpty. Operand 703 states and 967 transitions. [2024-11-10 19:37:52,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2024-11-10 19:37:52,815 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:37:52,815 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1] [2024-11-10 19:37:52,833 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-11-10 19:37:53,019 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2024-11-10 19:37:53,020 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting applyHanoiErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-11-10 19:37:53,020 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:37:53,020 INFO L85 PathProgramCache]: Analyzing trace with hash -1982761420, now seen corresponding path program 3 times [2024-11-10 19:37:53,020 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:37:53,020 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2084861626] [2024-11-10 19:37:53,020 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:37:53,021 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:37:53,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:37:53,733 INFO L134 CoverageAnalysis]: Checked inductivity of 400 backedges. 0 proven. 400 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 19:37:53,734 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:37:53,734 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2084861626] [2024-11-10 19:37:53,734 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2084861626] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:37:53,734 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1712667293] [2024-11-10 19:37:53,734 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-10 19:37:53,734 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:37:53,734 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:37:53,736 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:37:53,739 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-10 19:37:53,854 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2024-11-10 19:37:53,854 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-10 19:37:53,857 INFO L255 TraceCheckSpWp]: Trace formula consists of 344 conjuncts, 45 conjuncts are in the unsatisfiable core [2024-11-10 19:37:53,859 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:37:54,005 INFO L134 CoverageAnalysis]: Checked inductivity of 400 backedges. 0 proven. 400 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 19:37:54,006 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:37:54,581 INFO L134 CoverageAnalysis]: Checked inductivity of 400 backedges. 0 proven. 400 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 19:37:54,581 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1712667293] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 19:37:54,581 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 19:37:54,581 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 23, 23] total 47 [2024-11-10 19:37:54,581 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1725065959] [2024-11-10 19:37:54,581 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 19:37:54,582 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 48 states [2024-11-10 19:37:54,582 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:37:54,583 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2024-11-10 19:37:54,585 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=599, Invalid=1657, Unknown=0, NotChecked=0, Total=2256 [2024-11-10 19:37:54,586 INFO L87 Difference]: Start difference. First operand 703 states and 967 transitions. Second operand has 48 states, 47 states have (on average 3.3617021276595747) internal successors, (158), 48 states have internal predecessors, (158), 23 states have call successors, (23), 23 states have call predecessors, (23), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 19:37:56,483 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:37:56,484 INFO L93 Difference]: Finished difference Result 6054 states and 8303 transitions. [2024-11-10 19:37:56,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2024-11-10 19:37:56,485 INFO L78 Accepts]: Start accepts. Automaton has has 48 states, 47 states have (on average 3.3617021276595747) internal successors, (158), 48 states have internal predecessors, (158), 23 states have call successors, (23), 23 states have call predecessors, (23), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 88 [2024-11-10 19:37:56,486 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:37:56,516 INFO L225 Difference]: With dead ends: 6054 [2024-11-10 19:37:56,517 INFO L226 Difference]: Without dead ends: 5973 [2024-11-10 19:37:56,522 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 230 GetRequests, 162 SyntacticMatches, 0 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1048 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=1382, Invalid=3448, Unknown=0, NotChecked=0, Total=4830 [2024-11-10 19:37:56,524 INFO L432 NwaCegarLoop]: 38 mSDtfsCounter, 1028 mSDsluCounter, 685 mSDsCounter, 0 mSdLazyCounter, 584 mSolverCounterSat, 144 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1028 SdHoareTripleChecker+Valid, 723 SdHoareTripleChecker+Invalid, 728 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 144 IncrementalHoareTripleChecker+Valid, 584 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-10 19:37:56,525 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1028 Valid, 723 Invalid, 728 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [144 Valid, 584 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-10 19:37:56,530 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5973 states. [2024-11-10 19:37:56,697 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5973 to 1328. [2024-11-10 19:37:56,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1328 states, 1037 states have (on average 1.1301832208293154) internal successors, (1172), 1036 states have internal predecessors, (1172), 198 states have call successors, (198), 121 states have call predecessors, (198), 87 states have return successors, (1183), 170 states have call predecessors, (1183), 154 states have call successors, (1183) [2024-11-10 19:37:56,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1328 states to 1328 states and 2553 transitions. [2024-11-10 19:37:56,715 INFO L78 Accepts]: Start accepts. Automaton has 1328 states and 2553 transitions. Word has length 88 [2024-11-10 19:37:56,715 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:37:56,715 INFO L471 AbstractCegarLoop]: Abstraction has 1328 states and 2553 transitions. [2024-11-10 19:37:56,716 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 48 states, 47 states have (on average 3.3617021276595747) internal successors, (158), 48 states have internal predecessors, (158), 23 states have call successors, (23), 23 states have call predecessors, (23), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 19:37:56,716 INFO L276 IsEmpty]: Start isEmpty. Operand 1328 states and 2553 transitions. [2024-11-10 19:37:56,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2024-11-10 19:37:56,722 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:37:56,723 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 11, 11, 11, 7, 7, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:37:56,763 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-11-10 19:37:56,963 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2024-11-10 19:37:56,963 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting hanoiErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-11-10 19:37:56,964 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:37:56,964 INFO L85 PathProgramCache]: Analyzing trace with hash 1391476652, now seen corresponding path program 4 times [2024-11-10 19:37:56,964 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:37:56,964 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1087387780] [2024-11-10 19:37:56,964 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:37:56,964 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:37:56,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:37:57,432 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-10 19:37:57,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:37:57,530 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-10 19:37:57,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:37:57,592 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-10 19:37:57,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:37:57,643 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-10 19:37:57,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:37:57,648 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-11-10 19:37:57,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:37:57,658 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-10 19:37:57,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:37:57,660 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-10 19:37:57,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:37:57,663 INFO L134 CoverageAnalysis]: Checked inductivity of 419 backedges. 15 proven. 358 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2024-11-10 19:37:57,663 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:37:57,663 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1087387780] [2024-11-10 19:37:57,663 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1087387780] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:37:57,663 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [24972228] [2024-11-10 19:37:57,663 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-10 19:37:57,663 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:37:57,664 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:37:57,666 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:37:57,667 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-11-10 19:37:57,736 INFO L227 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-10 19:37:57,736 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-10 19:37:57,743 INFO L255 TraceCheckSpWp]: Trace formula consists of 263 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-10 19:37:57,746 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:37:57,892 INFO L134 CoverageAnalysis]: Checked inductivity of 419 backedges. 81 proven. 55 refuted. 0 times theorem prover too weak. 283 trivial. 0 not checked. [2024-11-10 19:37:57,893 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:37:58,169 INFO L134 CoverageAnalysis]: Checked inductivity of 419 backedges. 81 proven. 64 refuted. 0 times theorem prover too weak. 274 trivial. 0 not checked. [2024-11-10 19:37:58,169 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [24972228] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 19:37:58,169 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 19:37:58,169 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [34, 11, 13] total 45 [2024-11-10 19:37:58,170 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1541454558] [2024-11-10 19:37:58,170 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 19:37:58,170 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 45 states [2024-11-10 19:37:58,170 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:37:58,171 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 45 interpolants. [2024-11-10 19:37:58,172 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=293, Invalid=1687, Unknown=0, NotChecked=0, Total=1980 [2024-11-10 19:37:58,172 INFO L87 Difference]: Start difference. First operand 1328 states and 2553 transitions. Second operand has 45 states, 43 states have (on average 2.627906976744186) internal successors, (113), 28 states have internal predecessors, (113), 23 states have call successors, (29), 17 states have call predecessors, (29), 6 states have return successors, (14), 9 states have call predecessors, (14), 8 states have call successors, (14) [2024-11-10 19:37:58,926 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:37:58,926 INFO L93 Difference]: Finished difference Result 2448 states and 5216 transitions. [2024-11-10 19:37:58,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-11-10 19:37:58,927 INFO L78 Accepts]: Start accepts. Automaton has has 45 states, 43 states have (on average 2.627906976744186) internal successors, (113), 28 states have internal predecessors, (113), 23 states have call successors, (29), 17 states have call predecessors, (29), 6 states have return successors, (14), 9 states have call predecessors, (14), 8 states have call successors, (14) Word has length 118 [2024-11-10 19:37:58,927 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:37:58,936 INFO L225 Difference]: With dead ends: 2448 [2024-11-10 19:37:58,936 INFO L226 Difference]: Without dead ends: 1160 [2024-11-10 19:37:58,949 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 300 GetRequests, 239 SyntacticMatches, 0 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 964 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=593, Invalid=3313, Unknown=0, NotChecked=0, Total=3906 [2024-11-10 19:37:58,950 INFO L432 NwaCegarLoop]: 21 mSDtfsCounter, 205 mSDsluCounter, 166 mSDsCounter, 0 mSdLazyCounter, 661 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 208 SdHoareTripleChecker+Valid, 187 SdHoareTripleChecker+Invalid, 690 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 661 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-10 19:37:58,950 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [208 Valid, 187 Invalid, 690 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 661 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-10 19:37:58,952 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1160 states. [2024-11-10 19:37:59,045 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1160 to 1010. [2024-11-10 19:37:59,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1010 states, 786 states have (on average 1.1005089058524173) internal successors, (865), 769 states have internal predecessors, (865), 124 states have call successors, (124), 94 states have call predecessors, (124), 95 states have return successors, (495), 146 states have call predecessors, (495), 123 states have call successors, (495) [2024-11-10 19:37:59,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1010 states to 1010 states and 1484 transitions. [2024-11-10 19:37:59,057 INFO L78 Accepts]: Start accepts. Automaton has 1010 states and 1484 transitions. Word has length 118 [2024-11-10 19:37:59,057 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:37:59,057 INFO L471 AbstractCegarLoop]: Abstraction has 1010 states and 1484 transitions. [2024-11-10 19:37:59,058 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 45 states, 43 states have (on average 2.627906976744186) internal successors, (113), 28 states have internal predecessors, (113), 23 states have call successors, (29), 17 states have call predecessors, (29), 6 states have return successors, (14), 9 states have call predecessors, (14), 8 states have call successors, (14) [2024-11-10 19:37:59,058 INFO L276 IsEmpty]: Start isEmpty. Operand 1010 states and 1484 transitions. [2024-11-10 19:37:59,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2024-11-10 19:37:59,060 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:37:59,060 INFO L215 NwaCegarLoop]: trace histogram [15, 15, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:37:59,097 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2024-11-10 19:37:59,260 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2024-11-10 19:37:59,261 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting hanoiErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-11-10 19:37:59,261 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:37:59,261 INFO L85 PathProgramCache]: Analyzing trace with hash -1667191498, now seen corresponding path program 2 times [2024-11-10 19:37:59,261 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:37:59,261 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1852634586] [2024-11-10 19:37:59,262 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:37:59,262 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:37:59,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:37:59,348 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-10 19:37:59,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:37:59,369 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-10 19:37:59,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:37:59,379 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-10 19:37:59,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:37:59,385 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-10 19:37:59,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:37:59,388 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-10 19:37:59,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:37:59,390 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-11-10 19:37:59,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:37:59,396 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-10 19:37:59,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:37:59,399 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-10 19:37:59,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:37:59,402 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-10 19:37:59,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:37:59,412 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-10 19:37:59,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:37:59,418 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-10 19:37:59,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:37:59,421 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-10 19:37:59,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:37:59,424 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-11-10 19:37:59,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:37:59,430 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-10 19:37:59,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:37:59,433 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-10 19:37:59,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:37:59,436 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-10 19:37:59,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:37:59,459 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-10 19:37:59,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:37:59,473 INFO L134 CoverageAnalysis]: Checked inductivity of 622 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 618 trivial. 0 not checked. [2024-11-10 19:37:59,474 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:37:59,474 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1852634586] [2024-11-10 19:37:59,474 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1852634586] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:37:59,474 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [929408381] [2024-11-10 19:37:59,474 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-10 19:37:59,475 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:37:59,475 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:37:59,477 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:37:59,478 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-11-10 19:37:59,578 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-10 19:37:59,578 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-10 19:37:59,579 INFO L255 TraceCheckSpWp]: Trace formula consists of 497 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-10 19:37:59,582 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:37:59,617 INFO L134 CoverageAnalysis]: Checked inductivity of 622 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 618 trivial. 0 not checked. [2024-11-10 19:37:59,617 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 19:37:59,617 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [929408381] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:37:59,617 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-10 19:37:59,617 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [6] total 8 [2024-11-10 19:37:59,618 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [657684347] [2024-11-10 19:37:59,618 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:37:59,618 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 19:37:59,618 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:37:59,618 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 19:37:59,619 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-10 19:37:59,619 INFO L87 Difference]: Start difference. First operand 1010 states and 1484 transitions. Second operand has 6 states, 5 states have (on average 5.8) internal successors, (29), 6 states have internal predecessors, (29), 1 states have call successors, (5), 1 states have call predecessors, (5), 3 states have return successors, (5), 3 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-10 19:37:59,717 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:37:59,718 INFO L93 Difference]: Finished difference Result 1021 states and 1495 transitions. [2024-11-10 19:37:59,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 19:37:59,719 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 5.8) internal successors, (29), 6 states have internal predecessors, (29), 1 states have call successors, (5), 1 states have call predecessors, (5), 3 states have return successors, (5), 3 states have call predecessors, (5), 1 states have call successors, (5) Word has length 152 [2024-11-10 19:37:59,719 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:37:59,729 INFO L225 Difference]: With dead ends: 1021 [2024-11-10 19:37:59,729 INFO L226 Difference]: Without dead ends: 1019 [2024-11-10 19:37:59,731 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 190 GetRequests, 183 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-10 19:37:59,731 INFO L432 NwaCegarLoop]: 32 mSDtfsCounter, 4 mSDsluCounter, 89 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 121 SdHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 19:37:59,732 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 121 Invalid, 50 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 19:37:59,733 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1019 states. [2024-11-10 19:37:59,820 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1019 to 1008. [2024-11-10 19:37:59,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1008 states, 786 states have (on average 1.0699745547073791) internal successors, (841), 767 states have internal predecessors, (841), 124 states have call successors, (124), 94 states have call predecessors, (124), 95 states have return successors, (495), 146 states have call predecessors, (495), 123 states have call successors, (495) [2024-11-10 19:37:59,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1008 states to 1008 states and 1460 transitions. [2024-11-10 19:37:59,829 INFO L78 Accepts]: Start accepts. Automaton has 1008 states and 1460 transitions. Word has length 152 [2024-11-10 19:37:59,829 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:37:59,829 INFO L471 AbstractCegarLoop]: Abstraction has 1008 states and 1460 transitions. [2024-11-10 19:37:59,829 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 5.8) internal successors, (29), 6 states have internal predecessors, (29), 1 states have call successors, (5), 1 states have call predecessors, (5), 3 states have return successors, (5), 3 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-10 19:37:59,830 INFO L276 IsEmpty]: Start isEmpty. Operand 1008 states and 1460 transitions. [2024-11-10 19:37:59,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2024-11-10 19:37:59,834 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:37:59,834 INFO L215 NwaCegarLoop]: trace histogram [15, 15, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:37:59,852 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2024-11-10 19:38:00,034 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-11-10 19:38:00,035 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting hanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-11-10 19:38:00,035 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:38:00,035 INFO L85 PathProgramCache]: Analyzing trace with hash -143328889, now seen corresponding path program 1 times [2024-11-10 19:38:00,035 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:38:00,036 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1204738469] [2024-11-10 19:38:00,036 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:38:00,036 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:38:00,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:38:00,114 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-10 19:38:00,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:38:00,132 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-10 19:38:00,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:38:00,143 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-10 19:38:00,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:38:00,148 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-10 19:38:00,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:38:00,150 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-10 19:38:00,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:38:00,151 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-11-10 19:38:00,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:38:00,170 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-10 19:38:00,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:38:00,174 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-10 19:38:00,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:38:00,177 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-10 19:38:00,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:38:00,186 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-10 19:38:00,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:38:00,190 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-10 19:38:00,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:38:00,193 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-10 19:38:00,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:38:00,195 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-11-10 19:38:00,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:38:00,199 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-10 19:38:00,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:38:00,202 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-10 19:38:00,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:38:00,203 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-10 19:38:00,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:38:00,223 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-10 19:38:00,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:38:00,235 INFO L134 CoverageAnalysis]: Checked inductivity of 623 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 618 trivial. 0 not checked. [2024-11-10 19:38:00,235 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:38:00,236 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1204738469] [2024-11-10 19:38:00,236 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1204738469] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:38:00,236 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [827541019] [2024-11-10 19:38:00,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:38:00,236 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:38:00,236 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:38:00,238 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:38:00,240 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-11-10 19:38:00,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:38:00,345 INFO L255 TraceCheckSpWp]: Trace formula consists of 498 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-10 19:38:00,348 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:38:00,383 INFO L134 CoverageAnalysis]: Checked inductivity of 623 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 618 trivial. 0 not checked. [2024-11-10 19:38:00,383 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:38:00,621 INFO L134 CoverageAnalysis]: Checked inductivity of 623 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 618 trivial. 0 not checked. [2024-11-10 19:38:00,622 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [827541019] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 19:38:00,622 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 19:38:00,622 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 12 [2024-11-10 19:38:00,622 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [538101247] [2024-11-10 19:38:00,622 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 19:38:00,622 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-10 19:38:00,622 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:38:00,623 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-10 19:38:00,623 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2024-11-10 19:38:00,623 INFO L87 Difference]: Start difference. First operand 1008 states and 1460 transitions. Second operand has 13 states, 12 states have (on average 4.25) internal successors, (51), 12 states have internal predecessors, (51), 1 states have call successors, (8), 2 states have call predecessors, (8), 6 states have return successors, (8), 6 states have call predecessors, (8), 1 states have call successors, (8) [2024-11-10 19:38:00,842 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:38:00,842 INFO L93 Difference]: Finished difference Result 1264 states and 1776 transitions. [2024-11-10 19:38:00,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-10 19:38:00,843 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 4.25) internal successors, (51), 12 states have internal predecessors, (51), 1 states have call successors, (8), 2 states have call predecessors, (8), 6 states have return successors, (8), 6 states have call predecessors, (8), 1 states have call successors, (8) Word has length 153 [2024-11-10 19:38:00,843 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:38:00,850 INFO L225 Difference]: With dead ends: 1264 [2024-11-10 19:38:00,851 INFO L226 Difference]: Without dead ends: 1193 [2024-11-10 19:38:00,852 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 351 GetRequests, 332 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 99 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=101, Invalid=319, Unknown=0, NotChecked=0, Total=420 [2024-11-10 19:38:00,853 INFO L432 NwaCegarLoop]: 21 mSDtfsCounter, 52 mSDsluCounter, 91 mSDsCounter, 0 mSdLazyCounter, 99 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 57 SdHoareTripleChecker+Valid, 112 SdHoareTripleChecker+Invalid, 105 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 99 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 19:38:00,853 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [57 Valid, 112 Invalid, 105 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 99 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 19:38:00,854 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1193 states. [2024-11-10 19:38:00,957 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1193 to 1193. [2024-11-10 19:38:00,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1193 states, 948 states have (on average 1.0421940928270041) internal successors, (988), 925 states have internal predecessors, (988), 124 states have call successors, (124), 94 states have call predecessors, (124), 119 states have return successors, (522), 173 states have call predecessors, (522), 123 states have call successors, (522) [2024-11-10 19:38:00,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1193 states to 1193 states and 1634 transitions. [2024-11-10 19:38:00,965 INFO L78 Accepts]: Start accepts. Automaton has 1193 states and 1634 transitions. Word has length 153 [2024-11-10 19:38:00,965 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:38:00,965 INFO L471 AbstractCegarLoop]: Abstraction has 1193 states and 1634 transitions. [2024-11-10 19:38:00,966 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 4.25) internal successors, (51), 12 states have internal predecessors, (51), 1 states have call successors, (8), 2 states have call predecessors, (8), 6 states have return successors, (8), 6 states have call predecessors, (8), 1 states have call successors, (8) [2024-11-10 19:38:00,966 INFO L276 IsEmpty]: Start isEmpty. Operand 1193 states and 1634 transitions. [2024-11-10 19:38:00,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2024-11-10 19:38:00,970 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:38:00,970 INFO L215 NwaCegarLoop]: trace histogram [15, 15, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:38:00,988 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2024-11-10 19:38:01,171 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-11-10 19:38:01,171 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting hanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-11-10 19:38:01,171 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:38:01,172 INFO L85 PathProgramCache]: Analyzing trace with hash 788640624, now seen corresponding path program 2 times [2024-11-10 19:38:01,172 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:38:01,172 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1186908951] [2024-11-10 19:38:01,172 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:38:01,172 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:38:01,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:38:01,304 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-10 19:38:01,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:38:01,320 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-10 19:38:01,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:38:01,328 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-10 19:38:01,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:38:01,332 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-10 19:38:01,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:38:01,334 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-10 19:38:01,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:38:01,336 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-11-10 19:38:01,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:38:01,340 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-10 19:38:01,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:38:01,342 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-10 19:38:01,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:38:01,344 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-10 19:38:01,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:38:01,354 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-10 19:38:01,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:38:01,360 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-10 19:38:01,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:38:01,363 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-10 19:38:01,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:38:01,365 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-11-10 19:38:01,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:38:01,369 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-10 19:38:01,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:38:01,372 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-10 19:38:01,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:38:01,374 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-10 19:38:01,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:38:01,418 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-10 19:38:01,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:38:01,456 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-10 19:38:01,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:38:01,487 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-10 19:38:01,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:38:01,516 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-10 19:38:01,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:38:01,531 INFO L134 CoverageAnalysis]: Checked inductivity of 737 backedges. 0 proven. 68 refuted. 0 times theorem prover too weak. 669 trivial. 0 not checked. [2024-11-10 19:38:01,531 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:38:01,531 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1186908951] [2024-11-10 19:38:01,532 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1186908951] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:38:01,532 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [392688676] [2024-11-10 19:38:01,532 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-10 19:38:01,532 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:38:01,532 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:38:01,534 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:38:01,536 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-11-10 19:38:01,640 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-10 19:38:01,640 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-10 19:38:01,647 INFO L255 TraceCheckSpWp]: Trace formula consists of 558 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-10 19:38:01,651 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:38:01,968 INFO L134 CoverageAnalysis]: Checked inductivity of 737 backedges. 103 proven. 248 refuted. 0 times theorem prover too weak. 386 trivial. 0 not checked. [2024-11-10 19:38:01,968 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:38:03,295 INFO L134 CoverageAnalysis]: Checked inductivity of 737 backedges. 103 proven. 300 refuted. 0 times theorem prover too weak. 334 trivial. 0 not checked. [2024-11-10 19:38:03,295 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [392688676] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 19:38:03,295 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 19:38:03,295 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 16, 23] total 40 [2024-11-10 19:38:03,296 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1418248559] [2024-11-10 19:38:03,296 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 19:38:03,296 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 40 states [2024-11-10 19:38:03,296 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:38:03,299 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2024-11-10 19:38:03,299 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=157, Invalid=1403, Unknown=0, NotChecked=0, Total=1560 [2024-11-10 19:38:03,300 INFO L87 Difference]: Start difference. First operand 1193 states and 1634 transitions. Second operand has 40 states, 38 states have (on average 4.184210526315789) internal successors, (159), 35 states have internal predecessors, (159), 18 states have call successors, (25), 4 states have call predecessors, (25), 16 states have return successors, (30), 17 states have call predecessors, (30), 16 states have call successors, (30) [2024-11-10 19:38:04,653 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:38:04,653 INFO L93 Difference]: Finished difference Result 2230 states and 3117 transitions. [2024-11-10 19:38:04,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2024-11-10 19:38:04,654 INFO L78 Accepts]: Start accepts. Automaton has has 40 states, 38 states have (on average 4.184210526315789) internal successors, (159), 35 states have internal predecessors, (159), 18 states have call successors, (25), 4 states have call predecessors, (25), 16 states have return successors, (30), 17 states have call predecessors, (30), 16 states have call successors, (30) Word has length 192 [2024-11-10 19:38:04,654 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:38:04,665 INFO L225 Difference]: With dead ends: 2230 [2024-11-10 19:38:04,665 INFO L226 Difference]: Without dead ends: 1394 [2024-11-10 19:38:04,670 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 470 GetRequests, 388 SyntacticMatches, 8 SemanticMatches, 74 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1444 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=757, Invalid=4943, Unknown=0, NotChecked=0, Total=5700 [2024-11-10 19:38:04,671 INFO L432 NwaCegarLoop]: 14 mSDtfsCounter, 357 mSDsluCounter, 230 mSDsCounter, 0 mSdLazyCounter, 998 mSolverCounterSat, 89 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 366 SdHoareTripleChecker+Valid, 244 SdHoareTripleChecker+Invalid, 1087 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 89 IncrementalHoareTripleChecker+Valid, 998 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-10 19:38:04,671 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [366 Valid, 244 Invalid, 1087 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [89 Valid, 998 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-10 19:38:04,673 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1394 states. [2024-11-10 19:38:04,820 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1394 to 1317. [2024-11-10 19:38:04,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1317 states, 1040 states have (on average 1.0375) internal successors, (1079), 1016 states have internal predecessors, (1079), 142 states have call successors, (142), 94 states have call predecessors, (142), 133 states have return successors, (660), 206 states have call predecessors, (660), 131 states have call successors, (660) [2024-11-10 19:38:04,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1317 states to 1317 states and 1881 transitions. [2024-11-10 19:38:04,829 INFO L78 Accepts]: Start accepts. Automaton has 1317 states and 1881 transitions. Word has length 192 [2024-11-10 19:38:04,830 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:38:04,830 INFO L471 AbstractCegarLoop]: Abstraction has 1317 states and 1881 transitions. [2024-11-10 19:38:04,830 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 40 states, 38 states have (on average 4.184210526315789) internal successors, (159), 35 states have internal predecessors, (159), 18 states have call successors, (25), 4 states have call predecessors, (25), 16 states have return successors, (30), 17 states have call predecessors, (30), 16 states have call successors, (30) [2024-11-10 19:38:04,830 INFO L276 IsEmpty]: Start isEmpty. Operand 1317 states and 1881 transitions. [2024-11-10 19:38:04,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2024-11-10 19:38:04,835 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:38:04,835 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 22, 22, 22, 22, 22, 1, 1, 1, 1, 1] [2024-11-10 19:38:04,854 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2024-11-10 19:38:05,036 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:38:05,037 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting applyHanoiErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-11-10 19:38:05,037 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:38:05,038 INFO L85 PathProgramCache]: Analyzing trace with hash -1334133888, now seen corresponding path program 4 times [2024-11-10 19:38:05,038 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:38:05,038 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1655606615] [2024-11-10 19:38:05,038 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:38:05,038 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:38:05,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:38:07,120 INFO L134 CoverageAnalysis]: Checked inductivity of 1936 backedges. 0 proven. 1936 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 19:38:07,120 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:38:07,121 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1655606615] [2024-11-10 19:38:07,121 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1655606615] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:38:07,121 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1569238146] [2024-11-10 19:38:07,121 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-10 19:38:07,121 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:38:07,121 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:38:07,123 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:38:07,125 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-11-10 19:38:07,275 INFO L227 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-10 19:38:07,275 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-10 19:38:07,283 INFO L255 TraceCheckSpWp]: Trace formula consists of 692 conjuncts, 93 conjuncts are in the unsatisfiable core [2024-11-10 19:38:07,288 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:38:07,549 INFO L134 CoverageAnalysis]: Checked inductivity of 1936 backedges. 0 proven. 1936 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 19:38:07,550 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:38:09,403 INFO L134 CoverageAnalysis]: Checked inductivity of 1936 backedges. 0 proven. 1936 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 19:38:09,404 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1569238146] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 19:38:09,404 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 19:38:09,404 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [47, 47, 47] total 95 [2024-11-10 19:38:09,404 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [968940744] [2024-11-10 19:38:09,404 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 19:38:09,405 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 96 states [2024-11-10 19:38:09,405 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:38:09,407 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 96 interpolants. [2024-11-10 19:38:09,410 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2351, Invalid=6769, Unknown=0, NotChecked=0, Total=9120 [2024-11-10 19:38:09,411 INFO L87 Difference]: Start difference. First operand 1317 states and 1881 transitions. Second operand has 96 states, 95 states have (on average 3.431578947368421) internal successors, (326), 96 states have internal predecessors, (326), 47 states have call successors, (47), 47 states have call predecessors, (47), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 19:38:14,321 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:38:14,321 INFO L93 Difference]: Finished difference Result 6176 states and 9675 transitions. [2024-11-10 19:38:14,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 95 states. [2024-11-10 19:38:14,322 INFO L78 Accepts]: Start accepts. Automaton has has 96 states, 95 states have (on average 3.431578947368421) internal successors, (326), 96 states have internal predecessors, (326), 47 states have call successors, (47), 47 states have call predecessors, (47), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 184 [2024-11-10 19:38:14,322 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:38:14,367 INFO L225 Difference]: With dead ends: 6176 [2024-11-10 19:38:14,368 INFO L226 Difference]: Without dead ends: 6175 [2024-11-10 19:38:14,377 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 482 GetRequests, 342 SyntacticMatches, 0 SemanticMatches, 140 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4408 ImplicationChecksByTransitivity, 3.4s TimeCoverageRelationStatistics Valid=5642, Invalid=14380, Unknown=0, NotChecked=0, Total=20022 [2024-11-10 19:38:14,378 INFO L432 NwaCegarLoop]: 137 mSDtfsCounter, 1543 mSDsluCounter, 1182 mSDsCounter, 0 mSdLazyCounter, 1217 mSolverCounterSat, 397 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1543 SdHoareTripleChecker+Valid, 1319 SdHoareTripleChecker+Invalid, 1614 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 397 IncrementalHoareTripleChecker+Valid, 1217 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-10 19:38:14,378 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1543 Valid, 1319 Invalid, 1614 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [397 Valid, 1217 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-10 19:38:14,385 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6175 states. [2024-11-10 19:38:14,643 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6175 to 2397. [2024-11-10 19:38:14,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2397 states, 1832 states have (on average 1.0343886462882097) internal successors, (1895), 1784 states have internal predecessors, (1895), 310 states have call successors, (310), 190 states have call predecessors, (310), 253 states have return successors, (3468), 422 states have call predecessors, (3468), 287 states have call successors, (3468) [2024-11-10 19:38:14,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2397 states to 2397 states and 5673 transitions. [2024-11-10 19:38:14,677 INFO L78 Accepts]: Start accepts. Automaton has 2397 states and 5673 transitions. Word has length 184 [2024-11-10 19:38:14,678 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:38:14,678 INFO L471 AbstractCegarLoop]: Abstraction has 2397 states and 5673 transitions. [2024-11-10 19:38:14,678 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 96 states, 95 states have (on average 3.431578947368421) internal successors, (326), 96 states have internal predecessors, (326), 47 states have call successors, (47), 47 states have call predecessors, (47), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 19:38:14,678 INFO L276 IsEmpty]: Start isEmpty. Operand 2397 states and 5673 transitions. [2024-11-10 19:38:14,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 614 [2024-11-10 19:38:14,768 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:38:14,769 INFO L215 NwaCegarLoop]: trace histogram [63, 63, 32, 31, 31, 31, 31, 31, 31, 31, 31, 31, 31, 31, 31, 7, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:38:14,787 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2024-11-10 19:38:14,972 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:38:14,973 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting hanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-11-10 19:38:14,973 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:38:14,973 INFO L85 PathProgramCache]: Analyzing trace with hash 128366991, now seen corresponding path program 3 times [2024-11-10 19:38:14,973 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:38:14,973 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1025574120] [2024-11-10 19:38:14,974 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:38:14,974 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:38:15,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:38:15,325 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-10 19:38:15,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:38:15,387 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-10 19:38:15,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:38:15,414 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-10 19:38:15,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:38:15,427 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-10 19:38:15,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:38:15,434 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-10 19:38:15,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:38:15,438 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-10 19:38:15,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:38:15,440 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-10 19:38:15,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:38:15,444 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-11-10 19:38:15,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:38:15,447 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-10 19:38:15,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:38:15,450 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-10 19:38:15,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:38:15,451 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-10 19:38:15,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:38:15,458 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-10 19:38:15,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:38:15,462 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-10 19:38:15,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:38:15,466 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-10 19:38:15,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:38:15,468 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-11-10 19:38:15,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:38:15,471 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-10 19:38:15,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:38:15,473 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-10 19:38:15,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:38:15,476 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-10 19:38:15,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:38:15,490 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-10 19:38:15,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:38:15,503 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-10 19:38:15,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:38:15,507 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-10 19:38:15,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:38:15,510 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-10 19:38:15,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:38:15,513 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-11-10 19:38:15,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:38:15,517 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-10 19:38:15,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:38:15,519 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-10 19:38:15,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:38:15,521 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-10 19:38:15,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:38:15,529 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-10 19:38:15,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:38:15,534 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-10 19:38:15,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:38:15,536 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-10 19:38:15,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:38:15,538 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-11-10 19:38:15,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:38:15,543 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-10 19:38:15,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:38:15,548 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-10 19:38:15,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:38:15,551 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2024-11-10 19:38:15,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:38:15,580 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-10 19:38:15,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:38:15,595 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-10 19:38:15,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:38:15,603 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-10 19:38:15,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:38:15,607 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-10 19:38:15,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:38:15,610 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-10 19:38:15,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:38:15,611 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-11-10 19:38:15,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:38:15,615 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-10 19:38:15,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:38:15,617 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-10 19:38:15,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:38:15,619 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-10 19:38:15,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:38:15,626 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-10 19:38:15,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:38:15,630 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-10 19:38:15,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:38:15,633 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-10 19:38:15,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:38:15,635 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-11-10 19:38:15,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:38:15,641 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-10 19:38:15,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:38:15,644 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-10 19:38:15,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:38:15,646 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-10 19:38:15,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:38:15,662 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-10 19:38:15,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:38:15,670 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-10 19:38:15,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:38:15,675 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-10 19:38:15,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:38:15,677 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-10 19:38:15,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:38:15,679 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-11-10 19:38:15,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:38:15,682 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-10 19:38:15,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:38:15,684 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-10 19:38:15,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:38:15,686 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-10 19:38:15,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:38:15,694 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-10 19:38:15,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:38:15,700 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-10 19:38:15,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:38:15,702 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-10 19:38:15,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:38:15,704 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-11-10 19:38:15,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:38:15,709 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-10 19:38:15,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:38:15,711 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-10 19:38:15,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:38:15,714 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 540 [2024-11-10 19:38:15,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:38:15,755 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-10 19:38:15,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:38:15,791 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-10 19:38:15,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:38:15,872 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-10 19:38:15,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:38:15,902 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-10 19:38:15,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:38:15,928 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-10 19:38:15,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:38:15,944 INFO L134 CoverageAnalysis]: Checked inductivity of 12189 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 12084 trivial. 0 not checked. [2024-11-10 19:38:15,944 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:38:15,945 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1025574120] [2024-11-10 19:38:15,945 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1025574120] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:38:15,945 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1393097214] [2024-11-10 19:38:15,945 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-10 19:38:15,945 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:38:15,945 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:38:15,947 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:38:15,950 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-11-10 19:38:16,103 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2024-11-10 19:38:16,103 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-10 19:38:16,106 INFO L255 TraceCheckSpWp]: Trace formula consists of 376 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-10 19:38:16,116 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:38:16,204 INFO L134 CoverageAnalysis]: Checked inductivity of 12189 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 12084 trivial. 0 not checked. [2024-11-10 19:38:16,204 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:38:17,797 INFO L134 CoverageAnalysis]: Checked inductivity of 12189 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 12084 trivial. 0 not checked. [2024-11-10 19:38:17,797 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1393097214] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 19:38:17,798 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 19:38:17,798 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 13, 13] total 28 [2024-11-10 19:38:17,798 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [863764840] [2024-11-10 19:38:17,798 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 19:38:17,799 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2024-11-10 19:38:17,799 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:38:17,800 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2024-11-10 19:38:17,800 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=211, Invalid=601, Unknown=0, NotChecked=0, Total=812 [2024-11-10 19:38:17,800 INFO L87 Difference]: Start difference. First operand 2397 states and 5673 transitions. Second operand has 29 states, 28 states have (on average 3.8214285714285716) internal successors, (107), 28 states have internal predecessors, (107), 1 states have call successors, (8), 2 states have call predecessors, (8), 14 states have return successors, (16), 14 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-10 19:38:18,314 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:38:18,315 INFO L93 Difference]: Finished difference Result 3035 states and 6394 transitions. [2024-11-10 19:38:18,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-11-10 19:38:18,315 INFO L78 Accepts]: Start accepts. Automaton has has 29 states, 28 states have (on average 3.8214285714285716) internal successors, (107), 28 states have internal predecessors, (107), 1 states have call successors, (8), 2 states have call predecessors, (8), 14 states have return successors, (16), 14 states have call predecessors, (16), 1 states have call successors, (16) Word has length 613 [2024-11-10 19:38:18,316 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:38:18,341 INFO L225 Difference]: With dead ends: 3035 [2024-11-10 19:38:18,341 INFO L226 Difference]: Without dead ends: 2563 [2024-11-10 19:38:18,345 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 1399 GetRequests, 1348 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 987 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=573, Invalid=2183, Unknown=0, NotChecked=0, Total=2756 [2024-11-10 19:38:18,346 INFO L432 NwaCegarLoop]: 21 mSDtfsCounter, 108 mSDsluCounter, 133 mSDsCounter, 0 mSdLazyCounter, 191 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 121 SdHoareTripleChecker+Valid, 154 SdHoareTripleChecker+Invalid, 194 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 191 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 19:38:18,347 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [121 Valid, 154 Invalid, 194 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 191 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 19:38:18,349 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2563 states. [2024-11-10 19:38:18,595 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2563 to 2563. [2024-11-10 19:38:18,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2563 states, 1981 states have (on average 1.0292781423523474) internal successors, (2039), 1928 states have internal predecessors, (2039), 310 states have call successors, (310), 190 states have call predecessors, (310), 270 states have return successors, (3490), 444 states have call predecessors, (3490), 287 states have call successors, (3490) [2024-11-10 19:38:18,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2563 states to 2563 states and 5839 transitions. [2024-11-10 19:38:18,629 INFO L78 Accepts]: Start accepts. Automaton has 2563 states and 5839 transitions. Word has length 613 [2024-11-10 19:38:18,632 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:38:18,632 INFO L471 AbstractCegarLoop]: Abstraction has 2563 states and 5839 transitions. [2024-11-10 19:38:18,632 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 28 states have (on average 3.8214285714285716) internal successors, (107), 28 states have internal predecessors, (107), 1 states have call successors, (8), 2 states have call predecessors, (8), 14 states have return successors, (16), 14 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-10 19:38:18,633 INFO L276 IsEmpty]: Start isEmpty. Operand 2563 states and 5839 transitions. [2024-11-10 19:38:18,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 377 [2024-11-10 19:38:18,663 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:38:18,664 INFO L215 NwaCegarLoop]: trace histogram [47, 47, 47, 46, 46, 46, 46, 46, 1, 1, 1, 1, 1] [2024-11-10 19:38:18,682 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2024-11-10 19:38:18,867 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,17 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:38:18,868 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting applyHanoiErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-11-10 19:38:18,868 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:38:18,868 INFO L85 PathProgramCache]: Analyzing trace with hash -1362913768, now seen corresponding path program 5 times [2024-11-10 19:38:18,868 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:38:18,868 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [450780555] [2024-11-10 19:38:18,868 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:38:18,868 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:38:18,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:38:25,923 INFO L134 CoverageAnalysis]: Checked inductivity of 8464 backedges. 0 proven. 8464 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 19:38:25,923 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:38:25,923 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [450780555] [2024-11-10 19:38:25,923 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [450780555] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:38:25,924 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [664099607] [2024-11-10 19:38:25,924 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-10 19:38:25,924 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:38:25,924 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:38:25,926 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:38:25,927 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2024-11-10 19:38:26,304 INFO L227 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 47 check-sat command(s) [2024-11-10 19:38:26,305 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-10 19:38:26,312 INFO L255 TraceCheckSpWp]: Trace formula consists of 1388 conjuncts, 189 conjuncts are in the unsatisfiable core [2024-11-10 19:38:26,323 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:38:26,813 INFO L134 CoverageAnalysis]: Checked inductivity of 8464 backedges. 0 proven. 8464 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 19:38:26,814 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:38:32,857 INFO L134 CoverageAnalysis]: Checked inductivity of 8464 backedges. 0 proven. 8464 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 19:38:32,857 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [664099607] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 19:38:32,857 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 19:38:32,857 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [95, 95, 95] total 191 [2024-11-10 19:38:32,858 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2138042249] [2024-11-10 19:38:32,858 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 19:38:32,858 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 192 states [2024-11-10 19:38:32,859 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:38:32,863 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 192 interpolants. [2024-11-10 19:38:32,870 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9311, Invalid=27361, Unknown=0, NotChecked=0, Total=36672 [2024-11-10 19:38:32,871 INFO L87 Difference]: Start difference. First operand 2563 states and 5839 transitions. Second operand has 192 states, 191 states have (on average 3.4659685863874348) internal successors, (662), 192 states have internal predecessors, (662), 95 states have call successors, (95), 95 states have call predecessors, (95), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)