./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/no-overflow.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-invgen/sendmail-close-angle.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 4a390ef5 Calling Ultimate with: /root/.sdkman/candidates/java/current/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 /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-invgen/sendmail-close-angle.i -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 4be4b344509b887bc91f2389f98de1e4ff745494aee0f078864fd49e79b0b4b8 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4a390ef-m [2024-10-24 19:54:24,675 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-24 19:54:24,749 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-10-24 19:54:24,753 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-24 19:54:24,753 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-24 19:54:24,774 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-24 19:54:24,775 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-24 19:54:24,775 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-24 19:54:24,775 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-24 19:54:24,776 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-24 19:54:24,776 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-24 19:54:24,776 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-24 19:54:24,777 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-24 19:54:24,777 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-24 19:54:24,778 INFO L153 SettingsManager]: * Use SBE=true [2024-10-24 19:54:24,779 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-24 19:54:24,782 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-24 19:54:24,782 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-24 19:54:24,782 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-24 19:54:24,782 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-24 19:54:24,783 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-24 19:54:24,783 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-24 19:54:24,783 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-24 19:54:24,784 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-24 19:54:24,787 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-24 19:54:24,787 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-10-24 19:54:24,788 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-24 19:54:24,788 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-24 19:54:24,788 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-24 19:54:24,788 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-24 19:54:24,789 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-24 19:54:24,789 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-24 19:54:24,789 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-24 19:54:24,789 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-24 19:54:24,790 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 19:54:24,790 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-24 19:54:24,790 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-24 19:54:24,791 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-24 19:54:24,791 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-24 19:54:24,791 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-24 19:54:24,791 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-24 19:54:24,792 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-24 19:54:24,793 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-24 19:54:24,793 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-24 19:54:24,793 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4be4b344509b887bc91f2389f98de1e4ff745494aee0f078864fd49e79b0b4b8 [2024-10-24 19:54:25,039 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-24 19:54:25,064 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-24 19:54:25,068 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-24 19:54:25,069 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-24 19:54:25,070 INFO L274 PluginConnector]: CDTParser initialized [2024-10-24 19:54:25,071 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-invgen/sendmail-close-angle.i [2024-10-24 19:54:26,588 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-24 19:54:26,755 INFO L384 CDTParser]: Found 1 translation units. [2024-10-24 19:54:26,756 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-invgen/sendmail-close-angle.i [2024-10-24 19:54:26,765 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1e6fb04ce/26bbca5c8c87476dbd311925a8bcd14d/FLAGee4d7df64 [2024-10-24 19:54:26,776 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1e6fb04ce/26bbca5c8c87476dbd311925a8bcd14d [2024-10-24 19:54:26,779 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-24 19:54:26,780 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-24 19:54:26,782 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-24 19:54:26,783 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-24 19:54:26,788 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-24 19:54:26,789 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 07:54:26" (1/1) ... [2024-10-24 19:54:26,790 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@44314d86 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:54:26, skipping insertion in model container [2024-10-24 19:54:26,790 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 07:54:26" (1/1) ... [2024-10-24 19:54:26,810 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-24 19:54:27,004 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 19:54:27,016 INFO L200 MainTranslator]: Completed pre-run [2024-10-24 19:54:27,031 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 19:54:27,046 INFO L204 MainTranslator]: Completed translation [2024-10-24 19:54:27,047 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:54:27 WrapperNode [2024-10-24 19:54:27,047 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-24 19:54:27,048 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-24 19:54:27,048 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-24 19:54:27,048 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-24 19:54:27,055 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:54:27" (1/1) ... [2024-10-24 19:54:27,062 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:54:27" (1/1) ... [2024-10-24 19:54:27,078 INFO L138 Inliner]: procedures = 16, calls = 15, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 79 [2024-10-24 19:54:27,079 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-24 19:54:27,080 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-24 19:54:27,080 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-24 19:54:27,080 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-24 19:54:27,088 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:54:27" (1/1) ... [2024-10-24 19:54:27,089 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:54:27" (1/1) ... [2024-10-24 19:54:27,090 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:54:27" (1/1) ... [2024-10-24 19:54:27,108 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]. [2024-10-24 19:54:27,108 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:54:27" (1/1) ... [2024-10-24 19:54:27,109 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:54:27" (1/1) ... [2024-10-24 19:54:27,112 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:54:27" (1/1) ... [2024-10-24 19:54:27,117 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:54:27" (1/1) ... [2024-10-24 19:54:27,118 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:54:27" (1/1) ... [2024-10-24 19:54:27,119 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:54:27" (1/1) ... [2024-10-24 19:54:27,120 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-24 19:54:27,121 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-24 19:54:27,121 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-24 19:54:27,121 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-24 19:54:27,122 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:54:27" (1/1) ... [2024-10-24 19:54:27,132 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 19:54:27,144 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 19:54:27,162 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) [2024-10-24 19:54:27,166 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 [2024-10-24 19:54:27,223 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-24 19:54:27,223 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-24 19:54:27,223 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-24 19:54:27,224 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-24 19:54:27,224 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-10-24 19:54:27,224 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-10-24 19:54:27,290 INFO L238 CfgBuilder]: Building ICFG [2024-10-24 19:54:27,293 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-24 19:54:27,555 INFO L? ?]: Removed 25 outVars from TransFormulas that were not future-live. [2024-10-24 19:54:27,555 INFO L287 CfgBuilder]: Performing block encoding [2024-10-24 19:54:27,588 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-24 19:54:27,590 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-24 19:54:27,591 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 07:54:27 BoogieIcfgContainer [2024-10-24 19:54:27,591 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-24 19:54:27,594 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-24 19:54:27,594 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-24 19:54:27,597 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-24 19:54:27,598 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 07:54:26" (1/3) ... [2024-10-24 19:54:27,598 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@141ee83c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 07:54:27, skipping insertion in model container [2024-10-24 19:54:27,599 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:54:27" (2/3) ... [2024-10-24 19:54:27,600 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@141ee83c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 07:54:27, skipping insertion in model container [2024-10-24 19:54:27,600 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 07:54:27" (3/3) ... [2024-10-24 19:54:27,601 INFO L112 eAbstractionObserver]: Analyzing ICFG sendmail-close-angle.i [2024-10-24 19:54:27,620 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-24 19:54:27,620 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 10 error locations. [2024-10-24 19:54:27,688 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-24 19:54:27,696 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;@620f8426, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-24 19:54:27,697 INFO L334 AbstractCegarLoop]: Starting to check reachability of 10 error locations. [2024-10-24 19:54:27,701 INFO L276 IsEmpty]: Start isEmpty. Operand has 46 states, 26 states have (on average 1.6923076923076923) internal successors, (44), 37 states have internal predecessors, (44), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-10-24 19:54:27,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-10-24 19:54:27,706 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 19:54:27,707 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2024-10-24 19:54:27,707 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-10-24 19:54:27,711 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 19:54:27,711 INFO L85 PathProgramCache]: Analyzing trace with hash 133150137, now seen corresponding path program 1 times [2024-10-24 19:54:27,719 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 19:54:27,720 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [372878413] [2024-10-24 19:54:27,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 19:54:27,721 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 19:54:27,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:54:27,888 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 19:54:27,889 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 19:54:27,889 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [372878413] [2024-10-24 19:54:27,890 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [372878413] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 19:54:27,890 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 19:54:27,890 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 19:54:27,895 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [718961184] [2024-10-24 19:54:27,896 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 19:54:27,902 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 19:54:27,904 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 19:54:27,924 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 19:54:27,925 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 19:54:27,927 INFO L87 Difference]: Start difference. First operand has 46 states, 26 states have (on average 1.6923076923076923) internal successors, (44), 37 states have internal predecessors, (44), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) Second operand has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 19:54:27,987 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 19:54:27,989 INFO L93 Difference]: Finished difference Result 84 states and 117 transitions. [2024-10-24 19:54:27,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 19:54:27,992 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2024-10-24 19:54:27,992 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 19:54:27,997 INFO L225 Difference]: With dead ends: 84 [2024-10-24 19:54:27,997 INFO L226 Difference]: Without dead ends: 41 [2024-10-24 19:54:28,000 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 19:54:28,004 INFO L432 NwaCegarLoop]: 46 mSDtfsCounter, 27 mSDsluCounter, 11 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 57 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-24 19:54:28,005 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [35 Valid, 57 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 19:54:28,020 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2024-10-24 19:54:28,034 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41. [2024-10-24 19:54:28,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41 states, 23 states have (on average 1.434782608695652) internal successors, (33), 32 states have internal predecessors, (33), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-10-24 19:54:28,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 49 transitions. [2024-10-24 19:54:28,038 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 49 transitions. Word has length 5 [2024-10-24 19:54:28,038 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 19:54:28,039 INFO L471 AbstractCegarLoop]: Abstraction has 41 states and 49 transitions. [2024-10-24 19:54:28,039 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 19:54:28,039 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 49 transitions. [2024-10-24 19:54:28,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-10-24 19:54:28,040 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 19:54:28,040 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-10-24 19:54:28,040 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-24 19:54:28,040 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-10-24 19:54:28,041 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 19:54:28,041 INFO L85 PathProgramCache]: Analyzing trace with hash -167312994, now seen corresponding path program 1 times [2024-10-24 19:54:28,042 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 19:54:28,042 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1479257817] [2024-10-24 19:54:28,042 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 19:54:28,042 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 19:54:28,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:54:28,087 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 19:54:28,087 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 19:54:28,087 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1479257817] [2024-10-24 19:54:28,088 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1479257817] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 19:54:28,088 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 19:54:28,088 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-10-24 19:54:28,088 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [890946949] [2024-10-24 19:54:28,088 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 19:54:28,090 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 19:54:28,090 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 19:54:28,090 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 19:54:28,091 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 19:54:28,091 INFO L87 Difference]: Start difference. First operand 41 states and 49 transitions. Second operand has 3 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 19:54:28,108 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 19:54:28,108 INFO L93 Difference]: Finished difference Result 41 states and 49 transitions. [2024-10-24 19:54:28,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 19:54:28,109 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2024-10-24 19:54:28,109 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 19:54:28,110 INFO L225 Difference]: With dead ends: 41 [2024-10-24 19:54:28,110 INFO L226 Difference]: Without dead ends: 40 [2024-10-24 19:54:28,110 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 19:54:28,113 INFO L432 NwaCegarLoop]: 42 mSDtfsCounter, 24 mSDsluCounter, 11 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 53 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-24 19:54:28,113 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 53 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 19:54:28,114 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2024-10-24 19:54:28,123 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 40. [2024-10-24 19:54:28,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40 states, 23 states have (on average 1.391304347826087) internal successors, (32), 31 states have internal predecessors, (32), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-10-24 19:54:28,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 48 transitions. [2024-10-24 19:54:28,124 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 48 transitions. Word has length 6 [2024-10-24 19:54:28,125 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 19:54:28,125 INFO L471 AbstractCegarLoop]: Abstraction has 40 states and 48 transitions. [2024-10-24 19:54:28,125 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 19:54:28,125 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 48 transitions. [2024-10-24 19:54:28,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-10-24 19:54:28,126 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 19:54:28,126 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 19:54:28,126 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-24 19:54:28,127 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-10-24 19:54:28,127 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 19:54:28,128 INFO L85 PathProgramCache]: Analyzing trace with hash 1632005031, now seen corresponding path program 1 times [2024-10-24 19:54:28,128 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 19:54:28,128 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2142020612] [2024-10-24 19:54:28,128 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 19:54:28,128 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 19:54:28,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:54:28,284 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-24 19:54:28,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:54:28,296 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 19:54:28,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:54:28,309 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-24 19:54:28,309 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 19:54:28,309 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2142020612] [2024-10-24 19:54:28,309 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2142020612] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 19:54:28,314 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 19:54:28,314 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-24 19:54:28,315 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [182247689] [2024-10-24 19:54:28,315 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 19:54:28,315 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-24 19:54:28,315 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 19:54:28,316 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-24 19:54:28,316 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-24 19:54:28,317 INFO L87 Difference]: Start difference. First operand 40 states and 48 transitions. Second operand has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-24 19:54:28,376 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 19:54:28,377 INFO L93 Difference]: Finished difference Result 53 states and 67 transitions. [2024-10-24 19:54:28,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-24 19:54:28,378 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 20 [2024-10-24 19:54:28,378 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 19:54:28,379 INFO L225 Difference]: With dead ends: 53 [2024-10-24 19:54:28,379 INFO L226 Difference]: Without dead ends: 51 [2024-10-24 19:54:28,380 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-24 19:54:28,382 INFO L432 NwaCegarLoop]: 39 mSDtfsCounter, 4 mSDsluCounter, 73 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 112 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-24 19:54:28,383 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 112 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 19:54:28,384 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2024-10-24 19:54:28,403 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 48. [2024-10-24 19:54:28,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48 states, 29 states have (on average 1.3793103448275863) internal successors, (40), 36 states have internal predecessors, (40), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-10-24 19:54:28,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 60 transitions. [2024-10-24 19:54:28,409 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 60 transitions. Word has length 20 [2024-10-24 19:54:28,409 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 19:54:28,410 INFO L471 AbstractCegarLoop]: Abstraction has 48 states and 60 transitions. [2024-10-24 19:54:28,410 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-24 19:54:28,413 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 60 transitions. [2024-10-24 19:54:28,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-10-24 19:54:28,414 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 19:54:28,414 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 19:54:28,414 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-24 19:54:28,414 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-10-24 19:54:28,415 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 19:54:28,415 INFO L85 PathProgramCache]: Analyzing trace with hash -1305092663, now seen corresponding path program 1 times [2024-10-24 19:54:28,415 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 19:54:28,415 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2090614834] [2024-10-24 19:54:28,415 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 19:54:28,415 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 19:54:28,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:54:28,520 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-24 19:54:28,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:54:28,527 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-24 19:54:28,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:54:28,533 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-24 19:54:28,533 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 19:54:28,533 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2090614834] [2024-10-24 19:54:28,533 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2090614834] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 19:54:28,533 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 19:54:28,534 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-24 19:54:28,534 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1332498816] [2024-10-24 19:54:28,534 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 19:54:28,534 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-24 19:54:28,534 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 19:54:28,535 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-24 19:54:28,535 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-24 19:54:28,535 INFO L87 Difference]: Start difference. First operand 48 states and 60 transitions. Second operand has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-24 19:54:28,601 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 19:54:28,601 INFO L93 Difference]: Finished difference Result 55 states and 69 transitions. [2024-10-24 19:54:28,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-24 19:54:28,602 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 21 [2024-10-24 19:54:28,605 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 19:54:28,606 INFO L225 Difference]: With dead ends: 55 [2024-10-24 19:54:28,606 INFO L226 Difference]: Without dead ends: 53 [2024-10-24 19:54:28,607 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-24 19:54:28,608 INFO L432 NwaCegarLoop]: 40 mSDtfsCounter, 3 mSDsluCounter, 74 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 114 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 19:54:28,608 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 114 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 19:54:28,609 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2024-10-24 19:54:28,625 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2024-10-24 19:54:28,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53 states, 32 states have (on average 1.34375) internal successors, (43), 39 states have internal predecessors, (43), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-10-24 19:54:28,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 67 transitions. [2024-10-24 19:54:28,631 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 67 transitions. Word has length 21 [2024-10-24 19:54:28,631 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 19:54:28,632 INFO L471 AbstractCegarLoop]: Abstraction has 53 states and 67 transitions. [2024-10-24 19:54:28,632 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-24 19:54:28,632 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 67 transitions. [2024-10-24 19:54:28,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-10-24 19:54:28,633 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 19:54:28,633 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 19:54:28,633 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-24 19:54:28,633 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-10-24 19:54:28,634 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 19:54:28,634 INFO L85 PathProgramCache]: Analyzing trace with hash -63594259, now seen corresponding path program 1 times [2024-10-24 19:54:28,634 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 19:54:28,634 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [203714762] [2024-10-24 19:54:28,635 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 19:54:28,635 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 19:54:28,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:54:28,690 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-24 19:54:28,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:54:28,703 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-24 19:54:28,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:54:28,711 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-24 19:54:28,711 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 19:54:28,711 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [203714762] [2024-10-24 19:54:28,711 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [203714762] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 19:54:28,712 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 19:54:28,712 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-24 19:54:28,712 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [627678246] [2024-10-24 19:54:28,712 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 19:54:28,713 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-24 19:54:28,713 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 19:54:28,714 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-24 19:54:28,714 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-24 19:54:28,714 INFO L87 Difference]: Start difference. First operand 53 states and 67 transitions. Second operand has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-24 19:54:28,764 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 19:54:28,765 INFO L93 Difference]: Finished difference Result 64 states and 79 transitions. [2024-10-24 19:54:28,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-24 19:54:28,766 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 23 [2024-10-24 19:54:28,766 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 19:54:28,767 INFO L225 Difference]: With dead ends: 64 [2024-10-24 19:54:28,767 INFO L226 Difference]: Without dead ends: 62 [2024-10-24 19:54:28,768 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-24 19:54:28,769 INFO L432 NwaCegarLoop]: 43 mSDtfsCounter, 10 mSDsluCounter, 82 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 125 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-24 19:54:28,771 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 125 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 19:54:28,772 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2024-10-24 19:54:28,788 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 55. [2024-10-24 19:54:28,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55 states, 34 states have (on average 1.3235294117647058) internal successors, (45), 41 states have internal predecessors, (45), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-10-24 19:54:28,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 69 transitions. [2024-10-24 19:54:28,792 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 69 transitions. Word has length 23 [2024-10-24 19:54:28,792 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 19:54:28,793 INFO L471 AbstractCegarLoop]: Abstraction has 55 states and 69 transitions. [2024-10-24 19:54:28,793 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-24 19:54:28,793 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 69 transitions. [2024-10-24 19:54:28,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-10-24 19:54:28,795 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 19:54:28,795 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 19:54:28,796 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-24 19:54:28,796 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-10-24 19:54:28,800 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 19:54:28,800 INFO L85 PathProgramCache]: Analyzing trace with hash -1872664834, now seen corresponding path program 1 times [2024-10-24 19:54:28,801 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 19:54:28,801 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1187923075] [2024-10-24 19:54:28,801 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 19:54:28,801 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 19:54:28,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:54:28,952 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-24 19:54:28,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:54:28,958 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 19:54:28,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:54:28,967 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-24 19:54:28,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:54:28,975 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-24 19:54:28,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:54:28,983 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-10-24 19:54:28,983 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 19:54:28,983 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1187923075] [2024-10-24 19:54:28,983 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1187923075] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 19:54:28,983 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 19:54:28,983 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-24 19:54:28,984 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1785701702] [2024-10-24 19:54:28,984 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 19:54:28,984 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-24 19:54:28,984 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 19:54:28,985 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-24 19:54:28,985 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-10-24 19:54:28,985 INFO L87 Difference]: Start difference. First operand 55 states and 69 transitions. Second operand has 6 states, 5 states have (on average 3.2) internal successors, (16), 6 states have internal predecessors, (16), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-10-24 19:54:29,086 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 19:54:29,086 INFO L93 Difference]: Finished difference Result 61 states and 77 transitions. [2024-10-24 19:54:29,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-24 19:54:29,087 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 3.2) internal successors, (16), 6 states have internal predecessors, (16), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 33 [2024-10-24 19:54:29,088 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 19:54:29,088 INFO L225 Difference]: With dead ends: 61 [2024-10-24 19:54:29,088 INFO L226 Difference]: Without dead ends: 60 [2024-10-24 19:54:29,089 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-10-24 19:54:29,090 INFO L432 NwaCegarLoop]: 36 mSDtfsCounter, 4 mSDsluCounter, 133 mSDsCounter, 0 mSdLazyCounter, 68 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 169 SdHoareTripleChecker+Invalid, 68 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 68 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 19:54:29,090 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 169 Invalid, 68 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 68 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 19:54:29,091 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2024-10-24 19:54:29,098 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 59. [2024-10-24 19:54:29,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 59 states, 36 states have (on average 1.3055555555555556) internal successors, (47), 43 states have internal predecessors, (47), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-10-24 19:54:29,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 75 transitions. [2024-10-24 19:54:29,100 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 75 transitions. Word has length 33 [2024-10-24 19:54:29,100 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 19:54:29,101 INFO L471 AbstractCegarLoop]: Abstraction has 59 states and 75 transitions. [2024-10-24 19:54:29,101 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 3.2) internal successors, (16), 6 states have internal predecessors, (16), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-10-24 19:54:29,101 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 75 transitions. [2024-10-24 19:54:29,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-10-24 19:54:29,102 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 19:54:29,102 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 19:54:29,102 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-24 19:54:29,102 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-10-24 19:54:29,103 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 19:54:29,103 INFO L85 PathProgramCache]: Analyzing trace with hash 2076932392, now seen corresponding path program 1 times [2024-10-24 19:54:29,103 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 19:54:29,103 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1728727287] [2024-10-24 19:54:29,104 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 19:54:29,104 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 19:54:29,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:54:29,207 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-24 19:54:29,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:54:29,217 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 19:54:29,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:54:29,223 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-24 19:54:29,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:54:29,230 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-24 19:54:29,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:54:29,240 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-10-24 19:54:29,240 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 19:54:29,240 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1728727287] [2024-10-24 19:54:29,240 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1728727287] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 19:54:29,241 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 19:54:29,241 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-24 19:54:29,241 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1286112499] [2024-10-24 19:54:29,241 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 19:54:29,241 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-24 19:54:29,241 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 19:54:29,242 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-24 19:54:29,242 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-10-24 19:54:29,242 INFO L87 Difference]: Start difference. First operand 59 states and 75 transitions. Second operand has 6 states, 5 states have (on average 3.4) internal successors, (17), 6 states have internal predecessors, (17), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-10-24 19:54:29,319 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 19:54:29,320 INFO L93 Difference]: Finished difference Result 61 states and 76 transitions. [2024-10-24 19:54:29,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-24 19:54:29,321 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 3.4) internal successors, (17), 6 states have internal predecessors, (17), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 34 [2024-10-24 19:54:29,322 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 19:54:29,323 INFO L225 Difference]: With dead ends: 61 [2024-10-24 19:54:29,323 INFO L226 Difference]: Without dead ends: 50 [2024-10-24 19:54:29,323 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-10-24 19:54:29,325 INFO L432 NwaCegarLoop]: 37 mSDtfsCounter, 6 mSDsluCounter, 105 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 142 SdHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 50 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 19:54:29,325 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 142 Invalid, 52 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 19:54:29,326 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2024-10-24 19:54:29,331 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50. [2024-10-24 19:54:29,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50 states, 31 states have (on average 1.2903225806451613) internal successors, (40), 38 states have internal predecessors, (40), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-10-24 19:54:29,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 60 transitions. [2024-10-24 19:54:29,332 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 60 transitions. Word has length 34 [2024-10-24 19:54:29,332 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 19:54:29,332 INFO L471 AbstractCegarLoop]: Abstraction has 50 states and 60 transitions. [2024-10-24 19:54:29,333 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 3.4) internal successors, (17), 6 states have internal predecessors, (17), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-10-24 19:54:29,333 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 60 transitions. [2024-10-24 19:54:29,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-10-24 19:54:29,334 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 19:54:29,334 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 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, 1] [2024-10-24 19:54:29,334 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-24 19:54:29,334 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-10-24 19:54:29,334 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 19:54:29,335 INFO L85 PathProgramCache]: Analyzing trace with hash 638760627, now seen corresponding path program 1 times [2024-10-24 19:54:29,335 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 19:54:29,335 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1247619111] [2024-10-24 19:54:29,335 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 19:54:29,335 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 19:54:29,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:54:29,436 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-24 19:54:29,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:54:29,442 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-24 19:54:29,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:54:29,448 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-24 19:54:29,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:54:29,456 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 19:54:29,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:54:29,462 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-24 19:54:29,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:54:29,466 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-24 19:54:29,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:54:29,470 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-10-24 19:54:29,471 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 19:54:29,471 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1247619111] [2024-10-24 19:54:29,471 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1247619111] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 19:54:29,471 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1337365990] [2024-10-24 19:54:29,471 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 19:54:29,472 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 19:54:29,472 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 19:54:29,474 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) [2024-10-24 19:54:29,476 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-24 19:54:29,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:54:29,543 INFO L255 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-24 19:54:29,549 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 19:54:29,645 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-10-24 19:54:29,647 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-24 19:54:29,648 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1337365990] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 19:54:29,648 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-24 19:54:29,648 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2024-10-24 19:54:29,648 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [770518063] [2024-10-24 19:54:29,648 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 19:54:29,648 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-24 19:54:29,649 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 19:54:29,649 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-24 19:54:29,649 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-10-24 19:54:29,649 INFO L87 Difference]: Start difference. First operand 50 states and 60 transitions. Second operand has 6 states, 5 states have (on average 4.2) internal successors, (21), 6 states have internal predecessors, (21), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-10-24 19:54:29,710 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 19:54:29,711 INFO L93 Difference]: Finished difference Result 50 states and 60 transitions. [2024-10-24 19:54:29,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-24 19:54:29,712 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 4.2) internal successors, (21), 6 states have internal predecessors, (21), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 48 [2024-10-24 19:54:29,713 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 19:54:29,713 INFO L225 Difference]: With dead ends: 50 [2024-10-24 19:54:29,715 INFO L226 Difference]: Without dead ends: 48 [2024-10-24 19:54:29,716 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-10-24 19:54:29,717 INFO L432 NwaCegarLoop]: 39 mSDtfsCounter, 9 mSDsluCounter, 100 mSDsCounter, 0 mSdLazyCounter, 53 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 139 SdHoareTripleChecker+Invalid, 58 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 53 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 19:54:29,717 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 139 Invalid, 58 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 53 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 19:54:29,717 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2024-10-24 19:54:29,721 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 48. [2024-10-24 19:54:29,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48 states, 31 states have (on average 1.2258064516129032) internal successors, (38), 36 states have internal predecessors, (38), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-10-24 19:54:29,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 58 transitions. [2024-10-24 19:54:29,729 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 58 transitions. Word has length 48 [2024-10-24 19:54:29,729 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 19:54:29,729 INFO L471 AbstractCegarLoop]: Abstraction has 48 states and 58 transitions. [2024-10-24 19:54:29,730 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 4.2) internal successors, (21), 6 states have internal predecessors, (21), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-10-24 19:54:29,730 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 58 transitions. [2024-10-24 19:54:29,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2024-10-24 19:54:29,734 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 19:54:29,734 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 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, 1, 1] [2024-10-24 19:54:29,755 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-10-24 19:54:29,935 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 19:54:29,935 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-10-24 19:54:29,936 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 19:54:29,936 INFO L85 PathProgramCache]: Analyzing trace with hash -1673256948, now seen corresponding path program 1 times [2024-10-24 19:54:29,936 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 19:54:29,936 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1737500670] [2024-10-24 19:54:29,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 19:54:29,936 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 19:54:29,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:54:30,022 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-24 19:54:30,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:54:30,029 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-24 19:54:30,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:54:30,037 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-24 19:54:30,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:54:30,041 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 19:54:30,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:54:30,044 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-24 19:54:30,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:54:30,061 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-24 19:54:30,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:54:30,065 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-10-24 19:54:30,065 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 19:54:30,065 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1737500670] [2024-10-24 19:54:30,065 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1737500670] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 19:54:30,065 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1459286902] [2024-10-24 19:54:30,065 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 19:54:30,065 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 19:54:30,065 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 19:54:30,067 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) [2024-10-24 19:54:30,068 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-10-24 19:54:30,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:54:30,118 INFO L255 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-24 19:54:30,120 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 19:54:30,185 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-10-24 19:54:30,186 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 19:54:30,314 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-10-24 19:54:30,314 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1459286902] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-24 19:54:30,315 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-24 19:54:30,315 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 11 [2024-10-24 19:54:30,315 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1774601391] [2024-10-24 19:54:30,315 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-24 19:54:30,316 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-10-24 19:54:30,317 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 19:54:30,318 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-24 19:54:30,318 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=97, Unknown=0, NotChecked=0, Total=132 [2024-10-24 19:54:30,318 INFO L87 Difference]: Start difference. First operand 48 states and 58 transitions. Second operand has 12 states, 11 states have (on average 4.2727272727272725) internal successors, (47), 12 states have internal predecessors, (47), 5 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 5 states have call predecessors, (14), 5 states have call successors, (14) [2024-10-24 19:54:30,443 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 19:54:30,443 INFO L93 Difference]: Finished difference Result 85 states and 114 transitions. [2024-10-24 19:54:30,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-24 19:54:30,444 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 4.2727272727272725) internal successors, (47), 12 states have internal predecessors, (47), 5 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 5 states have call predecessors, (14), 5 states have call successors, (14) Word has length 49 [2024-10-24 19:54:30,444 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 19:54:30,445 INFO L225 Difference]: With dead ends: 85 [2024-10-24 19:54:30,445 INFO L226 Difference]: Without dead ends: 83 [2024-10-24 19:54:30,446 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=97, Unknown=0, NotChecked=0, Total=132 [2024-10-24 19:54:30,446 INFO L432 NwaCegarLoop]: 35 mSDtfsCounter, 8 mSDsluCounter, 251 mSDsCounter, 0 mSdLazyCounter, 132 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 286 SdHoareTripleChecker+Invalid, 134 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 132 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 19:54:30,447 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 286 Invalid, 134 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 132 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 19:54:30,447 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2024-10-24 19:54:30,455 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 70. [2024-10-24 19:54:30,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 70 states, 45 states have (on average 1.288888888888889) internal successors, (58), 50 states have internal predecessors, (58), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-10-24 19:54:30,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 94 transitions. [2024-10-24 19:54:30,457 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 94 transitions. Word has length 49 [2024-10-24 19:54:30,457 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 19:54:30,457 INFO L471 AbstractCegarLoop]: Abstraction has 70 states and 94 transitions. [2024-10-24 19:54:30,458 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 4.2727272727272725) internal successors, (47), 12 states have internal predecessors, (47), 5 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 5 states have call predecessors, (14), 5 states have call successors, (14) [2024-10-24 19:54:30,458 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 94 transitions. [2024-10-24 19:54:30,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-10-24 19:54:30,459 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 19:54:30,459 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 19:54:30,476 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-10-24 19:54:30,659 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2024-10-24 19:54:30,660 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-10-24 19:54:30,661 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 19:54:30,661 INFO L85 PathProgramCache]: Analyzing trace with hash -1777931679, now seen corresponding path program 1 times [2024-10-24 19:54:30,661 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 19:54:30,661 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1114803823] [2024-10-24 19:54:30,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 19:54:30,661 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 19:54:30,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:54:30,734 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-24 19:54:30,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:54:30,739 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-24 19:54:30,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:54:30,742 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-24 19:54:30,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:54:30,746 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 19:54:30,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:54:30,751 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-10-24 19:54:30,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:54:30,760 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-10-24 19:54:30,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:54:30,763 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-10-24 19:54:30,766 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 19:54:30,766 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1114803823] [2024-10-24 19:54:30,766 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1114803823] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 19:54:30,766 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [229689657] [2024-10-24 19:54:30,766 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 19:54:30,767 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 19:54:30,767 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 19:54:30,769 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) [2024-10-24 19:54:30,770 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-10-24 19:54:30,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:54:30,823 INFO L255 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-24 19:54:30,825 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 19:54:30,877 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-10-24 19:54:30,878 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-24 19:54:30,878 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [229689657] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 19:54:30,878 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-24 19:54:30,878 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2024-10-24 19:54:30,878 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [40828150] [2024-10-24 19:54:30,878 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 19:54:30,879 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-24 19:54:30,879 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 19:54:30,880 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-24 19:54:30,880 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-10-24 19:54:30,880 INFO L87 Difference]: Start difference. First operand 70 states and 94 transitions. Second operand has 6 states, 5 states have (on average 4.8) internal successors, (24), 6 states have internal predecessors, (24), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-10-24 19:54:30,915 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 19:54:30,915 INFO L93 Difference]: Finished difference Result 70 states and 94 transitions. [2024-10-24 19:54:30,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-24 19:54:30,916 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 4.8) internal successors, (24), 6 states have internal predecessors, (24), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 51 [2024-10-24 19:54:30,917 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 19:54:30,918 INFO L225 Difference]: With dead ends: 70 [2024-10-24 19:54:30,918 INFO L226 Difference]: Without dead ends: 69 [2024-10-24 19:54:30,918 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-10-24 19:54:30,919 INFO L432 NwaCegarLoop]: 48 mSDtfsCounter, 23 mSDsluCounter, 70 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 118 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-24 19:54:30,919 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [27 Valid, 118 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 19:54:30,920 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2024-10-24 19:54:30,930 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 69. [2024-10-24 19:54:30,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69 states, 45 states have (on average 1.2444444444444445) internal successors, (56), 49 states have internal predecessors, (56), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-10-24 19:54:30,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 92 transitions. [2024-10-24 19:54:30,931 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 92 transitions. Word has length 51 [2024-10-24 19:54:30,932 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 19:54:30,932 INFO L471 AbstractCegarLoop]: Abstraction has 69 states and 92 transitions. [2024-10-24 19:54:30,932 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 4.8) internal successors, (24), 6 states have internal predecessors, (24), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-10-24 19:54:30,932 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 92 transitions. [2024-10-24 19:54:30,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2024-10-24 19:54:30,933 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 19:54:30,933 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 19:54:30,949 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-10-24 19:54:31,134 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 19:54:31,135 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-10-24 19:54:31,135 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 19:54:31,135 INFO L85 PathProgramCache]: Analyzing trace with hash 718692882, now seen corresponding path program 1 times [2024-10-24 19:54:31,135 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 19:54:31,135 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [803667250] [2024-10-24 19:54:31,135 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 19:54:31,136 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 19:54:31,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:54:31,204 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-24 19:54:31,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:54:31,209 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-24 19:54:31,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:54:31,212 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-24 19:54:31,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:54:31,220 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 19:54:31,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:54:31,222 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-10-24 19:54:31,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:54:31,227 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-10-24 19:54:31,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:54:31,237 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-10-24 19:54:31,237 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 19:54:31,237 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [803667250] [2024-10-24 19:54:31,237 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [803667250] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 19:54:31,237 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [292308861] [2024-10-24 19:54:31,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 19:54:31,237 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 19:54:31,238 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 19:54:31,242 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) [2024-10-24 19:54:31,255 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-10-24 19:54:31,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:54:31,318 INFO L255 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-24 19:54:31,320 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 19:54:31,389 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-10-24 19:54:31,389 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 19:54:31,492 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-10-24 19:54:31,493 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [292308861] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-24 19:54:31,493 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-24 19:54:31,493 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 11 [2024-10-24 19:54:31,494 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1632900045] [2024-10-24 19:54:31,494 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-24 19:54:31,494 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-10-24 19:54:31,494 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 19:54:31,495 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-24 19:54:31,495 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2024-10-24 19:54:31,496 INFO L87 Difference]: Start difference. First operand 69 states and 92 transitions. Second operand has 12 states, 11 states have (on average 5.0) internal successors, (55), 12 states have internal predecessors, (55), 5 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 5 states have call predecessors, (14), 5 states have call successors, (14) [2024-10-24 19:54:31,610 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 19:54:31,610 INFO L93 Difference]: Finished difference Result 123 states and 162 transitions. [2024-10-24 19:54:31,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-24 19:54:31,611 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 5.0) internal successors, (55), 12 states have internal predecessors, (55), 5 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 5 states have call predecessors, (14), 5 states have call successors, (14) Word has length 52 [2024-10-24 19:54:31,613 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 19:54:31,614 INFO L225 Difference]: With dead ends: 123 [2024-10-24 19:54:31,615 INFO L226 Difference]: Without dead ends: 122 [2024-10-24 19:54:31,615 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 109 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2024-10-24 19:54:31,616 INFO L432 NwaCegarLoop]: 40 mSDtfsCounter, 39 mSDsluCounter, 167 mSDsCounter, 0 mSdLazyCounter, 63 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 53 SdHoareTripleChecker+Valid, 207 SdHoareTripleChecker+Invalid, 68 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 63 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 19:54:31,616 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [53 Valid, 207 Invalid, 68 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 63 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 19:54:31,619 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2024-10-24 19:54:31,635 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 88. [2024-10-24 19:54:31,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 88 states, 58 states have (on average 1.2413793103448276) internal successors, (72), 62 states have internal predecessors, (72), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-10-24 19:54:31,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 120 transitions. [2024-10-24 19:54:31,640 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 120 transitions. Word has length 52 [2024-10-24 19:54:31,640 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 19:54:31,640 INFO L471 AbstractCegarLoop]: Abstraction has 88 states and 120 transitions. [2024-10-24 19:54:31,640 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 5.0) internal successors, (55), 12 states have internal predecessors, (55), 5 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 5 states have call predecessors, (14), 5 states have call successors, (14) [2024-10-24 19:54:31,641 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 120 transitions. [2024-10-24 19:54:31,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2024-10-24 19:54:31,642 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 19:54:31,642 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 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, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 19:54:31,660 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-10-24 19:54:31,847 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 19:54:31,848 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-10-24 19:54:31,848 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 19:54:31,848 INFO L85 PathProgramCache]: Analyzing trace with hash -2020839566, now seen corresponding path program 1 times [2024-10-24 19:54:31,848 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 19:54:31,849 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [626929157] [2024-10-24 19:54:31,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 19:54:31,849 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 19:54:31,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:54:31,938 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-24 19:54:31,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:54:31,942 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-24 19:54:31,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:54:31,946 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-24 19:54:31,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:54:31,949 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 19:54:31,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:54:31,952 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-24 19:54:31,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:54:31,954 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-24 19:54:31,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:54:31,958 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-10-24 19:54:31,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:54:31,961 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-10-24 19:54:31,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:54:31,966 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-10-24 19:54:31,967 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 19:54:31,967 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [626929157] [2024-10-24 19:54:31,967 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [626929157] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 19:54:31,967 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [945281041] [2024-10-24 19:54:31,967 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 19:54:31,968 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 19:54:31,968 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 19:54:31,969 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) [2024-10-24 19:54:31,971 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-10-24 19:54:32,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:54:32,020 INFO L255 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-10-24 19:54:32,022 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 19:54:32,086 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-10-24 19:54:32,086 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-24 19:54:32,087 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [945281041] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 19:54:32,087 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-24 19:54:32,087 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [7] total 9 [2024-10-24 19:54:32,087 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1289028077] [2024-10-24 19:54:32,087 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 19:54:32,087 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-24 19:54:32,087 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 19:54:32,088 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-24 19:54:32,088 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2024-10-24 19:54:32,088 INFO L87 Difference]: Start difference. First operand 88 states and 120 transitions. Second operand has 8 states, 7 states have (on average 3.4285714285714284) internal successors, (24), 8 states have internal predecessors, (24), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-10-24 19:54:32,161 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 19:54:32,161 INFO L93 Difference]: Finished difference Result 88 states and 120 transitions. [2024-10-24 19:54:32,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-24 19:54:32,162 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 3.4285714285714284) internal successors, (24), 8 states have internal predecessors, (24), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) Word has length 61 [2024-10-24 19:54:32,162 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 19:54:32,163 INFO L225 Difference]: With dead ends: 88 [2024-10-24 19:54:32,163 INFO L226 Difference]: Without dead ends: 87 [2024-10-24 19:54:32,163 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 75 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2024-10-24 19:54:32,164 INFO L432 NwaCegarLoop]: 35 mSDtfsCounter, 7 mSDsluCounter, 130 mSDsCounter, 0 mSdLazyCounter, 85 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 165 SdHoareTripleChecker+Invalid, 85 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 85 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 19:54:32,164 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 165 Invalid, 85 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 85 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 19:54:32,164 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2024-10-24 19:54:32,178 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 87. [2024-10-24 19:54:32,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 87 states, 58 states have (on average 1.2241379310344827) internal successors, (71), 61 states have internal predecessors, (71), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-10-24 19:54:32,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 119 transitions. [2024-10-24 19:54:32,183 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 119 transitions. Word has length 61 [2024-10-24 19:54:32,183 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 19:54:32,183 INFO L471 AbstractCegarLoop]: Abstraction has 87 states and 119 transitions. [2024-10-24 19:54:32,183 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 3.4285714285714284) internal successors, (24), 8 states have internal predecessors, (24), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-10-24 19:54:32,183 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 119 transitions. [2024-10-24 19:54:32,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2024-10-24 19:54:32,184 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 19:54:32,184 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 19:54:32,205 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-10-24 19:54:32,385 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2024-10-24 19:54:32,385 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-10-24 19:54:32,386 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 19:54:32,386 INFO L85 PathProgramCache]: Analyzing trace with hash 1778482996, now seen corresponding path program 1 times [2024-10-24 19:54:32,386 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 19:54:32,386 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1577525309] [2024-10-24 19:54:32,386 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 19:54:32,386 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 19:54:32,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:54:32,468 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-24 19:54:32,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:54:32,471 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-24 19:54:32,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:54:32,474 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-24 19:54:32,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:54:32,476 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 19:54:32,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:54:32,479 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-24 19:54:32,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:54:32,481 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-24 19:54:32,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:54:32,483 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-10-24 19:54:32,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:54:32,486 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-10-24 19:54:32,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:54:32,488 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-10-24 19:54:32,488 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 19:54:32,488 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1577525309] [2024-10-24 19:54:32,489 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1577525309] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 19:54:32,489 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1124006300] [2024-10-24 19:54:32,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 19:54:32,489 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 19:54:32,489 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 19:54:32,491 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) [2024-10-24 19:54:32,493 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-10-24 19:54:32,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:54:32,553 INFO L255 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-10-24 19:54:32,555 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 19:54:32,613 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-10-24 19:54:32,613 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 19:54:32,737 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-10-24 19:54:32,737 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1124006300] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-24 19:54:32,737 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-24 19:54:32,737 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 15 [2024-10-24 19:54:32,737 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1397546784] [2024-10-24 19:54:32,738 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-24 19:54:32,738 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-10-24 19:54:32,738 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 19:54:32,739 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-10-24 19:54:32,739 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=185, Unknown=0, NotChecked=0, Total=240 [2024-10-24 19:54:32,739 INFO L87 Difference]: Start difference. First operand 87 states and 119 transitions. Second operand has 16 states, 15 states have (on average 3.533333333333333) internal successors, (53), 16 states have internal predecessors, (53), 7 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 7 states have call predecessors, (18), 7 states have call successors, (18) [2024-10-24 19:54:32,876 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 19:54:32,876 INFO L93 Difference]: Finished difference Result 103 states and 140 transitions. [2024-10-24 19:54:32,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-10-24 19:54:32,877 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 3.533333333333333) internal successors, (53), 16 states have internal predecessors, (53), 7 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 7 states have call predecessors, (18), 7 states have call successors, (18) Word has length 62 [2024-10-24 19:54:32,877 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 19:54:32,878 INFO L225 Difference]: With dead ends: 103 [2024-10-24 19:54:32,878 INFO L226 Difference]: Without dead ends: 82 [2024-10-24 19:54:32,879 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 145 GetRequests, 131 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=55, Invalid=185, Unknown=0, NotChecked=0, Total=240 [2024-10-24 19:54:32,879 INFO L432 NwaCegarLoop]: 32 mSDtfsCounter, 6 mSDsluCounter, 346 mSDsCounter, 0 mSdLazyCounter, 193 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 378 SdHoareTripleChecker+Invalid, 193 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 193 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 19:54:32,879 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 378 Invalid, 193 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 193 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 19:54:32,880 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2024-10-24 19:54:32,888 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 82. [2024-10-24 19:54:32,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 82 states, 55 states have (on average 1.1636363636363636) internal successors, (64), 58 states have internal predecessors, (64), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2024-10-24 19:54:32,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 108 transitions. [2024-10-24 19:54:32,889 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 108 transitions. Word has length 62 [2024-10-24 19:54:32,889 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 19:54:32,890 INFO L471 AbstractCegarLoop]: Abstraction has 82 states and 108 transitions. [2024-10-24 19:54:32,890 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 3.533333333333333) internal successors, (53), 16 states have internal predecessors, (53), 7 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 7 states have call predecessors, (18), 7 states have call successors, (18) [2024-10-24 19:54:32,890 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 108 transitions. [2024-10-24 19:54:32,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2024-10-24 19:54:32,891 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 19:54:32,891 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 19:54:32,908 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-10-24 19:54:33,092 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 19:54:33,092 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-10-24 19:54:33,092 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 19:54:33,092 INFO L85 PathProgramCache]: Analyzing trace with hash -590609988, now seen corresponding path program 1 times [2024-10-24 19:54:33,093 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 19:54:33,093 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [304272572] [2024-10-24 19:54:33,093 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 19:54:33,093 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 19:54:33,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:54:33,176 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-24 19:54:33,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:54:33,179 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-24 19:54:33,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:54:33,181 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-24 19:54:33,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:54:33,183 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 19:54:33,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:54:33,185 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-10-24 19:54:33,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:54:33,187 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-10-24 19:54:33,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:54:33,189 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-10-24 19:54:33,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:54:33,192 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-24 19:54:33,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:54:33,194 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-10-24 19:54:33,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:54:33,196 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-24 19:54:33,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:54:33,200 INFO L134 CoverageAnalysis]: Checked inductivity of 208 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-10-24 19:54:33,201 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 19:54:33,201 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [304272572] [2024-10-24 19:54:33,201 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [304272572] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 19:54:33,201 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [123857375] [2024-10-24 19:54:33,201 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 19:54:33,201 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 19:54:33,201 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 19:54:33,203 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) [2024-10-24 19:54:33,205 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-10-24 19:54:33,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:54:33,259 INFO L255 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-10-24 19:54:33,260 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 19:54:33,336 INFO L134 CoverageAnalysis]: Checked inductivity of 208 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-10-24 19:54:33,337 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 19:54:33,470 INFO L134 CoverageAnalysis]: Checked inductivity of 208 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-10-24 19:54:33,470 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [123857375] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-24 19:54:33,470 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-24 19:54:33,471 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 15 [2024-10-24 19:54:33,471 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [931466260] [2024-10-24 19:54:33,471 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-24 19:54:33,471 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-10-24 19:54:33,471 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 19:54:33,472 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-10-24 19:54:33,472 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=169, Unknown=0, NotChecked=0, Total=240 [2024-10-24 19:54:33,472 INFO L87 Difference]: Start difference. First operand 82 states and 108 transitions. Second operand has 16 states, 15 states have (on average 4.333333333333333) internal successors, (65), 16 states have internal predecessors, (65), 7 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 7 states have call predecessors, (22), 7 states have call successors, (22) [2024-10-24 19:54:33,600 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 19:54:33,600 INFO L93 Difference]: Finished difference Result 115 states and 160 transitions. [2024-10-24 19:54:33,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-24 19:54:33,601 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 4.333333333333333) internal successors, (65), 16 states have internal predecessors, (65), 7 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 7 states have call predecessors, (22), 7 states have call successors, (22) Word has length 78 [2024-10-24 19:54:33,601 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 19:54:33,602 INFO L225 Difference]: With dead ends: 115 [2024-10-24 19:54:33,602 INFO L226 Difference]: Without dead ends: 114 [2024-10-24 19:54:33,603 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 181 GetRequests, 167 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 63 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=71, Invalid=169, Unknown=0, NotChecked=0, Total=240 [2024-10-24 19:54:33,603 INFO L432 NwaCegarLoop]: 36 mSDtfsCounter, 15 mSDsluCounter, 265 mSDsCounter, 0 mSdLazyCounter, 126 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 301 SdHoareTripleChecker+Invalid, 133 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 126 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 19:54:33,603 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 301 Invalid, 133 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 126 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 19:54:33,604 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2024-10-24 19:54:33,636 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 104. [2024-10-24 19:54:33,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 104 states, 69 states have (on average 1.173913043478261) internal successors, (81), 72 states have internal predecessors, (81), 30 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2024-10-24 19:54:33,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 141 transitions. [2024-10-24 19:54:33,638 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 141 transitions. Word has length 78 [2024-10-24 19:54:33,638 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 19:54:33,638 INFO L471 AbstractCegarLoop]: Abstraction has 104 states and 141 transitions. [2024-10-24 19:54:33,638 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 4.333333333333333) internal successors, (65), 16 states have internal predecessors, (65), 7 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 7 states have call predecessors, (22), 7 states have call successors, (22) [2024-10-24 19:54:33,638 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 141 transitions. [2024-10-24 19:54:33,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2024-10-24 19:54:33,641 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 19:54:33,641 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 19:54:33,658 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-10-24 19:54:33,845 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 19:54:33,846 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-10-24 19:54:33,846 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 19:54:33,846 INFO L85 PathProgramCache]: Analyzing trace with hash -219223308, now seen corresponding path program 2 times [2024-10-24 19:54:33,846 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 19:54:33,846 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [237202275] [2024-10-24 19:54:33,846 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 19:54:33,847 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 19:54:33,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:54:33,966 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-24 19:54:33,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:54:33,970 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-24 19:54:33,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:54:33,972 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-24 19:54:33,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:54:33,974 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 19:54:33,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:54:33,976 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-10-24 19:54:33,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:54:33,978 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-10-24 19:54:33,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:54:33,981 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-10-24 19:54:33,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:54:33,983 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-24 19:54:33,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:54:33,986 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-10-24 19:54:33,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:54:33,989 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-24 19:54:33,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:54:33,991 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-24 19:54:33,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:54:33,993 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-24 19:54:33,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:54:33,995 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-24 19:54:33,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:54:33,997 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-24 19:54:33,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:54:34,001 INFO L134 CoverageAnalysis]: Checked inductivity of 406 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-10-24 19:54:34,001 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 19:54:34,001 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [237202275] [2024-10-24 19:54:34,001 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [237202275] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 19:54:34,001 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1398065487] [2024-10-24 19:54:34,001 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-24 19:54:34,001 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 19:54:34,002 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 19:54:34,003 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) [2024-10-24 19:54:34,005 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-10-24 19:54:34,068 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-24 19:54:34,068 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-24 19:54:34,069 INFO L255 TraceCheckSpWp]: Trace formula consists of 214 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-10-24 19:54:34,071 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 19:54:34,145 INFO L134 CoverageAnalysis]: Checked inductivity of 406 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-10-24 19:54:34,145 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 19:54:34,322 INFO L134 CoverageAnalysis]: Checked inductivity of 406 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-10-24 19:54:34,322 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1398065487] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-24 19:54:34,323 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-24 19:54:34,323 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 19 [2024-10-24 19:54:34,323 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [243655458] [2024-10-24 19:54:34,323 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-24 19:54:34,323 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2024-10-24 19:54:34,323 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 19:54:34,324 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2024-10-24 19:54:34,324 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=95, Invalid=285, Unknown=0, NotChecked=0, Total=380 [2024-10-24 19:54:34,325 INFO L87 Difference]: Start difference. First operand 104 states and 141 transitions. Second operand has 20 states, 19 states have (on average 4.157894736842105) internal successors, (79), 20 states have internal predecessors, (79), 9 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 9 states have call predecessors, (30), 9 states have call successors, (30) [2024-10-24 19:54:34,482 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 19:54:34,482 INFO L93 Difference]: Finished difference Result 136 states and 189 transitions. [2024-10-24 19:54:34,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-10-24 19:54:34,482 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 4.157894736842105) internal successors, (79), 20 states have internal predecessors, (79), 9 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 9 states have call predecessors, (30), 9 states have call successors, (30) Word has length 105 [2024-10-24 19:54:34,483 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 19:54:34,484 INFO L225 Difference]: With dead ends: 136 [2024-10-24 19:54:34,484 INFO L226 Difference]: Without dead ends: 135 [2024-10-24 19:54:34,484 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 245 GetRequests, 227 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 103 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=95, Invalid=285, Unknown=0, NotChecked=0, Total=380 [2024-10-24 19:54:34,485 INFO L432 NwaCegarLoop]: 33 mSDtfsCounter, 17 mSDsluCounter, 246 mSDsCounter, 0 mSdLazyCounter, 158 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 279 SdHoareTripleChecker+Invalid, 164 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 158 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 19:54:34,485 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [27 Valid, 279 Invalid, 164 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 158 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 19:54:34,486 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 135 states. [2024-10-24 19:54:34,495 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 135 to 116. [2024-10-24 19:54:34,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 116 states, 77 states have (on average 1.1948051948051948) internal successors, (92), 80 states have internal predecessors, (92), 34 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) [2024-10-24 19:54:34,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 160 transitions. [2024-10-24 19:54:34,497 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 160 transitions. Word has length 105 [2024-10-24 19:54:34,497 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 19:54:34,497 INFO L471 AbstractCegarLoop]: Abstraction has 116 states and 160 transitions. [2024-10-24 19:54:34,497 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 4.157894736842105) internal successors, (79), 20 states have internal predecessors, (79), 9 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 9 states have call predecessors, (30), 9 states have call successors, (30) [2024-10-24 19:54:34,497 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 160 transitions. [2024-10-24 19:54:34,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2024-10-24 19:54:34,498 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 19:54:34,498 INFO L215 NwaCegarLoop]: trace histogram [16, 16, 16, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 19:54:34,515 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-10-24 19:54:34,699 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,SelfDestructingSolverStorable14 [2024-10-24 19:54:34,699 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-10-24 19:54:34,700 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 19:54:34,700 INFO L85 PathProgramCache]: Analyzing trace with hash 1772989772, now seen corresponding path program 2 times [2024-10-24 19:54:34,700 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 19:54:34,700 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [195832055] [2024-10-24 19:54:34,700 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 19:54:34,700 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 19:54:34,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:54:34,868 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-24 19:54:34,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:54:34,871 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-24 19:54:34,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:54:34,873 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-24 19:54:34,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:54:34,875 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 19:54:34,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:54:34,876 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-10-24 19:54:34,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:54:34,878 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-10-24 19:54:34,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:54:34,880 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-10-24 19:54:34,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:54:34,882 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-24 19:54:34,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:54:34,883 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-10-24 19:54:34,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:54:34,885 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-24 19:54:34,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:54:34,887 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-24 19:54:34,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:54:34,889 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-24 19:54:34,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:54:34,891 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-24 19:54:34,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:54:34,893 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-24 19:54:34,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:54:34,894 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-10-24 19:54:34,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:54:34,896 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-10-24 19:54:34,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:54:34,898 INFO L134 CoverageAnalysis]: Checked inductivity of 522 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-10-24 19:54:34,899 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 19:54:34,899 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [195832055] [2024-10-24 19:54:34,899 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [195832055] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 19:54:34,899 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1274652356] [2024-10-24 19:54:34,899 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-24 19:54:34,899 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 19:54:34,899 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 19:54:34,901 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) [2024-10-24 19:54:34,902 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-10-24 19:54:34,964 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-24 19:54:34,964 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-24 19:54:34,966 INFO L255 TraceCheckSpWp]: Trace formula consists of 238 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-10-24 19:54:34,968 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 19:54:35,055 INFO L134 CoverageAnalysis]: Checked inductivity of 522 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-10-24 19:54:35,055 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 19:54:35,295 INFO L134 CoverageAnalysis]: Checked inductivity of 522 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-10-24 19:54:35,296 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1274652356] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-24 19:54:35,296 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-24 19:54:35,296 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 23 [2024-10-24 19:54:35,297 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [158219070] [2024-10-24 19:54:35,297 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-24 19:54:35,298 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-10-24 19:54:35,298 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 19:54:35,299 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-10-24 19:54:35,299 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=123, Invalid=429, Unknown=0, NotChecked=0, Total=552 [2024-10-24 19:54:35,300 INFO L87 Difference]: Start difference. First operand 116 states and 160 transitions. Second operand has 24 states, 23 states have (on average 3.6956521739130435) internal successors, (85), 24 states have internal predecessors, (85), 11 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 11 states have call predecessors, (34), 11 states have call successors, (34) [2024-10-24 19:54:35,480 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 19:54:35,480 INFO L93 Difference]: Finished difference Result 143 states and 196 transitions. [2024-10-24 19:54:35,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-10-24 19:54:35,481 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 23 states have (on average 3.6956521739130435) internal successors, (85), 24 states have internal predecessors, (85), 11 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 11 states have call predecessors, (34), 11 states have call successors, (34) Word has length 118 [2024-10-24 19:54:35,481 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 19:54:35,482 INFO L225 Difference]: With dead ends: 143 [2024-10-24 19:54:35,482 INFO L226 Difference]: Without dead ends: 116 [2024-10-24 19:54:35,483 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 277 GetRequests, 255 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 150 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=123, Invalid=429, Unknown=0, NotChecked=0, Total=552 [2024-10-24 19:54:35,483 INFO L432 NwaCegarLoop]: 32 mSDtfsCounter, 20 mSDsluCounter, 241 mSDsCounter, 0 mSdLazyCounter, 194 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 273 SdHoareTripleChecker+Invalid, 198 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 194 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-24 19:54:35,483 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [28 Valid, 273 Invalid, 198 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 194 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-24 19:54:35,484 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2024-10-24 19:54:35,511 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 111. [2024-10-24 19:54:35,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 111 states, 74 states have (on average 1.0945945945945945) internal successors, (81), 77 states have internal predecessors, (81), 32 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2024-10-24 19:54:35,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 145 transitions. [2024-10-24 19:54:35,513 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 145 transitions. Word has length 118 [2024-10-24 19:54:35,513 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 19:54:35,514 INFO L471 AbstractCegarLoop]: Abstraction has 111 states and 145 transitions. [2024-10-24 19:54:35,514 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 23 states have (on average 3.6956521739130435) internal successors, (85), 24 states have internal predecessors, (85), 11 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 11 states have call predecessors, (34), 11 states have call successors, (34) [2024-10-24 19:54:35,515 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 145 transitions. [2024-10-24 19:54:35,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2024-10-24 19:54:35,516 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 19:54:35,516 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 19:54:35,533 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-10-24 19:54:35,720 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,SelfDestructingSolverStorable15 [2024-10-24 19:54:35,721 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-10-24 19:54:35,721 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 19:54:35,721 INFO L85 PathProgramCache]: Analyzing trace with hash -1408674506, now seen corresponding path program 2 times [2024-10-24 19:54:35,721 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 19:54:35,721 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2129697248] [2024-10-24 19:54:35,721 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 19:54:35,721 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 19:54:35,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:54:35,910 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-24 19:54:35,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:54:35,914 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-24 19:54:35,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:54:35,916 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-24 19:54:35,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:54:35,918 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 19:54:35,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:54:35,920 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-10-24 19:54:35,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:54:35,923 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-10-24 19:54:35,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:54:35,926 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-10-24 19:54:35,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:54:35,929 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-24 19:54:35,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:54:35,933 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-10-24 19:54:35,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:54:35,936 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-24 19:54:35,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:54:35,941 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-24 19:54:35,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:54:35,943 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-24 19:54:35,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:54:35,949 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-10-24 19:54:35,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:54:35,954 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-24 19:54:35,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:54:35,957 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-24 19:54:35,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:54:35,959 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-24 19:54:35,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:54:35,961 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-10-24 19:54:35,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:54:35,966 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-10-24 19:54:35,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:54:35,970 INFO L134 CoverageAnalysis]: Checked inductivity of 724 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-10-24 19:54:35,970 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 19:54:35,970 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2129697248] [2024-10-24 19:54:35,971 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2129697248] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 19:54:35,971 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1528244326] [2024-10-24 19:54:35,971 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-24 19:54:35,971 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 19:54:35,971 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 19:54:35,973 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) [2024-10-24 19:54:35,975 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-10-24 19:54:36,040 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-24 19:54:36,040 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-24 19:54:36,042 INFO L255 TraceCheckSpWp]: Trace formula consists of 272 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-10-24 19:54:36,044 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 19:54:36,135 INFO L134 CoverageAnalysis]: Checked inductivity of 724 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-10-24 19:54:36,136 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 19:54:36,389 INFO L134 CoverageAnalysis]: Checked inductivity of 724 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-10-24 19:54:36,390 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1528244326] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-24 19:54:36,390 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-24 19:54:36,390 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 23 [2024-10-24 19:54:36,390 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [944875785] [2024-10-24 19:54:36,390 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-24 19:54:36,391 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-10-24 19:54:36,391 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 19:54:36,392 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-10-24 19:54:36,392 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=155, Invalid=397, Unknown=0, NotChecked=0, Total=552 [2024-10-24 19:54:36,392 INFO L87 Difference]: Start difference. First operand 111 states and 145 transitions. Second operand has 24 states, 23 states have (on average 4.478260869565218) internal successors, (103), 24 states have internal predecessors, (103), 11 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 11 states have call predecessors, (38), 11 states have call successors, (38) [2024-10-24 19:54:36,553 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 19:54:36,553 INFO L93 Difference]: Finished difference Result 195 states and 261 transitions. [2024-10-24 19:54:36,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-10-24 19:54:36,554 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 23 states have (on average 4.478260869565218) internal successors, (103), 24 states have internal predecessors, (103), 11 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 11 states have call predecessors, (38), 11 states have call successors, (38) Word has length 136 [2024-10-24 19:54:36,554 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 19:54:36,555 INFO L225 Difference]: With dead ends: 195 [2024-10-24 19:54:36,555 INFO L226 Difference]: Without dead ends: 194 [2024-10-24 19:54:36,556 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 317 GetRequests, 295 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 159 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=155, Invalid=397, Unknown=0, NotChecked=0, Total=552 [2024-10-24 19:54:36,557 INFO L432 NwaCegarLoop]: 39 mSDtfsCounter, 53 mSDsluCounter, 253 mSDsCounter, 0 mSdLazyCounter, 105 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 67 SdHoareTripleChecker+Valid, 292 SdHoareTripleChecker+Invalid, 114 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 105 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 19:54:36,557 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [67 Valid, 292 Invalid, 114 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 105 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 19:54:36,557 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 194 states. [2024-10-24 19:54:36,596 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 194 to 154. [2024-10-24 19:54:36,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 154 states, 103 states have (on average 1.145631067961165) internal successors, (118), 106 states have internal predecessors, (118), 46 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 46 states have call predecessors, (46), 46 states have call successors, (46) [2024-10-24 19:54:36,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 154 states and 210 transitions. [2024-10-24 19:54:36,597 INFO L78 Accepts]: Start accepts. Automaton has 154 states and 210 transitions. Word has length 136 [2024-10-24 19:54:36,598 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 19:54:36,598 INFO L471 AbstractCegarLoop]: Abstraction has 154 states and 210 transitions. [2024-10-24 19:54:36,598 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 23 states have (on average 4.478260869565218) internal successors, (103), 24 states have internal predecessors, (103), 11 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 11 states have call predecessors, (38), 11 states have call successors, (38) [2024-10-24 19:54:36,599 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 210 transitions. [2024-10-24 19:54:36,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2024-10-24 19:54:36,601 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 19:54:36,601 INFO L215 NwaCegarLoop]: trace histogram [26, 26, 26, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 19:54:36,619 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-10-24 19:54:36,802 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,SelfDestructingSolverStorable16 [2024-10-24 19:54:36,802 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-10-24 19:54:36,803 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 19:54:36,803 INFO L85 PathProgramCache]: Analyzing trace with hash 445961708, now seen corresponding path program 2 times [2024-10-24 19:54:36,803 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 19:54:36,803 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [904890738] [2024-10-24 19:54:36,803 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 19:54:36,803 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 19:54:36,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:54:37,064 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-24 19:54:37,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:54:37,067 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-24 19:54:37,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:54:37,069 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-24 19:54:37,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:54:37,072 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 19:54:37,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:54:37,074 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-10-24 19:54:37,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:54:37,076 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-10-24 19:54:37,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:54:37,077 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-10-24 19:54:37,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:54:37,079 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-24 19:54:37,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:54:37,081 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-10-24 19:54:37,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:54:37,083 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-24 19:54:37,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:54:37,084 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-24 19:54:37,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:54:37,087 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-24 19:54:37,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:54:37,089 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-10-24 19:54:37,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:54:37,090 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-24 19:54:37,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:54:37,093 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-24 19:54:37,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:54:37,095 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-24 19:54:37,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:54:37,097 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-10-24 19:54:37,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:54:37,098 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-10-24 19:54:37,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:54:37,100 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-10-24 19:54:37,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:54:37,102 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-10-24 19:54:37,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:54:37,103 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-10-24 19:54:37,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:54:37,105 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-10-24 19:54:37,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:54:37,107 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-10-24 19:54:37,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:54:37,109 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-10-24 19:54:37,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:54:37,111 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-10-24 19:54:37,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:54:37,113 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-10-24 19:54:37,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:54:37,116 INFO L134 CoverageAnalysis]: Checked inductivity of 1528 backedges. 0 proven. 228 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-10-24 19:54:37,117 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 19:54:37,117 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [904890738] [2024-10-24 19:54:37,117 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [904890738] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 19:54:37,117 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1517346640] [2024-10-24 19:54:37,118 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-24 19:54:37,118 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 19:54:37,118 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 19:54:37,119 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) [2024-10-24 19:54:37,121 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-10-24 19:54:37,207 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-24 19:54:37,207 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-24 19:54:37,212 INFO L255 TraceCheckSpWp]: Trace formula consists of 370 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-10-24 19:54:37,215 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 19:54:37,367 INFO L134 CoverageAnalysis]: Checked inductivity of 1528 backedges. 0 proven. 228 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-10-24 19:54:37,368 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 19:54:37,731 INFO L134 CoverageAnalysis]: Checked inductivity of 1528 backedges. 0 proven. 228 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-10-24 19:54:37,731 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1517346640] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-24 19:54:37,731 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-24 19:54:37,731 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15, 15] total 31 [2024-10-24 19:54:37,731 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [213823841] [2024-10-24 19:54:37,732 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-24 19:54:37,732 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2024-10-24 19:54:37,732 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 19:54:37,734 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2024-10-24 19:54:37,735 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=271, Invalid=721, Unknown=0, NotChecked=0, Total=992 [2024-10-24 19:54:37,735 INFO L87 Difference]: Start difference. First operand 154 states and 210 transitions. Second operand has 32 states, 31 states have (on average 4.161290322580645) internal successors, (129), 32 states have internal predecessors, (129), 15 states have call successors, (54), 1 states have call predecessors, (54), 1 states have return successors, (54), 15 states have call predecessors, (54), 15 states have call successors, (54) [2024-10-24 19:54:37,975 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 19:54:37,975 INFO L93 Difference]: Finished difference Result 225 states and 322 transitions. [2024-10-24 19:54:37,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-10-24 19:54:37,976 INFO L78 Accepts]: Start accepts. Automaton has has 32 states, 31 states have (on average 4.161290322580645) internal successors, (129), 32 states have internal predecessors, (129), 15 states have call successors, (54), 1 states have call predecessors, (54), 1 states have return successors, (54), 15 states have call predecessors, (54), 15 states have call successors, (54) Word has length 190 [2024-10-24 19:54:37,976 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 19:54:37,978 INFO L225 Difference]: With dead ends: 225 [2024-10-24 19:54:37,978 INFO L226 Difference]: Without dead ends: 224 [2024-10-24 19:54:37,978 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 445 GetRequests, 415 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 295 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=271, Invalid=721, Unknown=0, NotChecked=0, Total=992 [2024-10-24 19:54:37,979 INFO L432 NwaCegarLoop]: 36 mSDtfsCounter, 40 mSDsluCounter, 257 mSDsCounter, 0 mSdLazyCounter, 186 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 56 SdHoareTripleChecker+Valid, 293 SdHoareTripleChecker+Invalid, 205 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 186 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-24 19:54:37,980 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [56 Valid, 293 Invalid, 205 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 186 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-24 19:54:37,980 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 224 states. [2024-10-24 19:54:37,995 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 224 to 200. [2024-10-24 19:54:37,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 200 states, 133 states have (on average 1.1654135338345866) internal successors, (155), 136 states have internal predecessors, (155), 62 states have call successors, (62), 1 states have call predecessors, (62), 1 states have return successors, (62), 62 states have call predecessors, (62), 62 states have call successors, (62) [2024-10-24 19:54:37,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 200 states and 279 transitions. [2024-10-24 19:54:37,998 INFO L78 Accepts]: Start accepts. Automaton has 200 states and 279 transitions. Word has length 190 [2024-10-24 19:54:37,999 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 19:54:38,000 INFO L471 AbstractCegarLoop]: Abstraction has 200 states and 279 transitions. [2024-10-24 19:54:38,001 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 31 states have (on average 4.161290322580645) internal successors, (129), 32 states have internal predecessors, (129), 15 states have call successors, (54), 1 states have call predecessors, (54), 1 states have return successors, (54), 15 states have call predecessors, (54), 15 states have call successors, (54) [2024-10-24 19:54:38,001 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 279 transitions. [2024-10-24 19:54:38,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2024-10-24 19:54:38,003 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 19:54:38,003 INFO L215 NwaCegarLoop]: trace histogram [30, 30, 30, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 19:54:38,020 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-10-24 19:54:38,203 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,SelfDestructingSolverStorable17 [2024-10-24 19:54:38,204 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-10-24 19:54:38,204 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 19:54:38,204 INFO L85 PathProgramCache]: Analyzing trace with hash -1720518460, now seen corresponding path program 3 times [2024-10-24 19:54:38,204 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 19:54:38,204 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [576714552] [2024-10-24 19:54:38,205 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 19:54:38,205 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 19:54:38,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:54:38,521 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-24 19:54:38,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:54:38,523 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-24 19:54:38,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:54:38,526 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-24 19:54:38,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:54:38,527 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 19:54:38,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:54:38,530 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-10-24 19:54:38,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:54:38,532 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-10-24 19:54:38,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:54:38,534 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-10-24 19:54:38,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:54:38,535 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-24 19:54:38,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:54:38,538 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-10-24 19:54:38,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:54:38,540 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-24 19:54:38,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:54:38,542 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-24 19:54:38,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:54:38,543 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-24 19:54:38,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:54:38,545 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-10-24 19:54:38,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:54:38,547 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-24 19:54:38,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:54:38,548 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-24 19:54:38,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:54:38,550 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-24 19:54:38,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:54:38,552 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-10-24 19:54:38,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:54:38,554 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-10-24 19:54:38,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:54:38,555 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-10-24 19:54:38,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:54:38,557 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-10-24 19:54:38,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:54:38,559 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-10-24 19:54:38,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:54:38,560 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-10-24 19:54:38,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:54:38,562 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-10-24 19:54:38,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:54:38,564 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-10-24 19:54:38,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:54:38,565 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-10-24 19:54:38,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:54:38,567 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-10-24 19:54:38,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:54:38,569 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-10-24 19:54:38,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:54:38,570 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-10-24 19:54:38,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:54:38,572 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2024-10-24 19:54:38,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:54:38,574 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2024-10-24 19:54:38,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:54:38,576 INFO L134 CoverageAnalysis]: Checked inductivity of 2006 backedges. 0 proven. 266 refuted. 0 times theorem prover too weak. 1740 trivial. 0 not checked. [2024-10-24 19:54:38,577 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 19:54:38,577 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [576714552] [2024-10-24 19:54:38,577 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [576714552] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 19:54:38,577 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [780946193] [2024-10-24 19:54:38,577 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-10-24 19:54:38,577 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 19:54:38,577 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 19:54:38,579 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) [2024-10-24 19:54:38,581 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-10-24 19:54:38,633 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-10-24 19:54:38,633 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-24 19:54:38,634 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-10-24 19:54:38,637 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 19:54:38,830 INFO L134 CoverageAnalysis]: Checked inductivity of 2006 backedges. 87 proven. 0 refuted. 0 times theorem prover too weak. 1919 trivial. 0 not checked. [2024-10-24 19:54:38,830 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-24 19:54:38,830 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [780946193] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 19:54:38,831 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-24 19:54:38,831 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [17] total 22 [2024-10-24 19:54:38,831 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1722448842] [2024-10-24 19:54:38,831 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 19:54:38,832 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-24 19:54:38,832 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 19:54:38,832 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-24 19:54:38,832 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=101, Invalid=405, Unknown=0, NotChecked=0, Total=506 [2024-10-24 19:54:38,833 INFO L87 Difference]: Start difference. First operand 200 states and 279 transitions. Second operand has 7 states, 6 states have (on average 4.0) internal successors, (24), 6 states have internal predecessors, (24), 1 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 1 states have call successors, (6) [2024-10-24 19:54:38,943 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 19:54:38,944 INFO L93 Difference]: Finished difference Result 200 states and 279 transitions. [2024-10-24 19:54:38,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-24 19:54:38,944 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 4.0) internal successors, (24), 6 states have internal predecessors, (24), 1 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 1 states have call successors, (6) Word has length 217 [2024-10-24 19:54:38,945 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 19:54:38,946 INFO L225 Difference]: With dead ends: 200 [2024-10-24 19:54:38,946 INFO L226 Difference]: Without dead ends: 199 [2024-10-24 19:54:38,947 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 295 GetRequests, 272 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 115 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=109, Invalid=491, Unknown=0, NotChecked=0, Total=600 [2024-10-24 19:54:38,947 INFO L432 NwaCegarLoop]: 22 mSDtfsCounter, 14 mSDsluCounter, 78 mSDsCounter, 0 mSdLazyCounter, 115 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 100 SdHoareTripleChecker+Invalid, 120 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 115 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 19:54:38,948 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 100 Invalid, 120 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 115 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 19:54:38,948 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 199 states. [2024-10-24 19:54:38,961 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 199 to 199. [2024-10-24 19:54:38,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 199 states, 133 states have (on average 1.1578947368421053) internal successors, (154), 135 states have internal predecessors, (154), 62 states have call successors, (62), 1 states have call predecessors, (62), 1 states have return successors, (62), 62 states have call predecessors, (62), 62 states have call successors, (62) [2024-10-24 19:54:38,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 199 states and 278 transitions. [2024-10-24 19:54:38,963 INFO L78 Accepts]: Start accepts. Automaton has 199 states and 278 transitions. Word has length 217 [2024-10-24 19:54:38,964 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 19:54:38,964 INFO L471 AbstractCegarLoop]: Abstraction has 199 states and 278 transitions. [2024-10-24 19:54:38,964 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 4.0) internal successors, (24), 6 states have internal predecessors, (24), 1 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 1 states have call successors, (6) [2024-10-24 19:54:38,964 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 278 transitions. [2024-10-24 19:54:38,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2024-10-24 19:54:38,967 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 19:54:38,967 INFO L215 NwaCegarLoop]: trace histogram [32, 32, 32, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 19:54:38,996 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2024-10-24 19:54:39,167 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 19:54:39,168 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-10-24 19:54:39,168 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 19:54:39,168 INFO L85 PathProgramCache]: Analyzing trace with hash 1092260220, now seen corresponding path program 3 times [2024-10-24 19:54:39,168 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 19:54:39,168 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2133273878] [2024-10-24 19:54:39,169 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 19:54:39,169 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 19:54:39,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:54:39,579 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-24 19:54:39,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:54:39,581 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-24 19:54:39,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:54:39,583 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-24 19:54:39,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:54:39,585 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 19:54:39,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:54:39,587 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-10-24 19:54:39,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:54:39,588 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-10-24 19:54:39,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:54:39,590 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-10-24 19:54:39,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:54:39,591 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-24 19:54:39,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:54:39,593 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-10-24 19:54:39,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:54:39,595 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-24 19:54:39,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:54:39,597 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-24 19:54:39,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:54:39,599 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-24 19:54:39,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:54:39,601 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-10-24 19:54:39,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:54:39,602 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-24 19:54:39,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:54:39,605 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-24 19:54:39,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:54:39,607 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-24 19:54:39,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:54:39,609 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-10-24 19:54:39,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:54:39,610 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-10-24 19:54:39,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:54:39,612 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-10-24 19:54:39,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:54:39,613 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-10-24 19:54:39,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:54:39,615 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-10-24 19:54:39,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:54:39,617 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-10-24 19:54:39,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:54:39,619 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-10-24 19:54:39,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:54:39,621 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-10-24 19:54:39,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:54:39,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-10-24 19:54:39,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:54:39,624 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-10-24 19:54:39,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:54:39,625 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-10-24 19:54:39,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:54:39,627 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-10-24 19:54:39,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:54:39,629 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2024-10-24 19:54:39,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:54:39,631 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2024-10-24 19:54:39,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:54:39,633 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2024-10-24 19:54:39,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:54:39,635 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2024-10-24 19:54:39,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:54:39,637 INFO L134 CoverageAnalysis]: Checked inductivity of 2250 backedges. 0 proven. 266 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2024-10-24 19:54:39,637 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 19:54:39,637 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2133273878] [2024-10-24 19:54:39,638 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2133273878] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 19:54:39,638 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1697975018] [2024-10-24 19:54:39,638 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-10-24 19:54:39,638 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 19:54:39,638 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 19:54:39,640 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) [2024-10-24 19:54:39,641 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-10-24 19:54:39,690 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-10-24 19:54:39,690 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-24 19:54:39,691 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-10-24 19:54:39,694 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 19:54:39,909 INFO L134 CoverageAnalysis]: Checked inductivity of 2250 backedges. 93 proven. 0 refuted. 0 times theorem prover too weak. 2157 trivial. 0 not checked. [2024-10-24 19:54:39,910 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-24 19:54:39,910 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1697975018] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 19:54:39,910 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-24 19:54:39,910 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [19] total 24 [2024-10-24 19:54:39,910 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1763760803] [2024-10-24 19:54:39,910 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 19:54:39,912 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-24 19:54:39,912 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 19:54:39,912 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-24 19:54:39,913 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=114, Invalid=486, Unknown=0, NotChecked=0, Total=600 [2024-10-24 19:54:39,913 INFO L87 Difference]: Start difference. First operand 199 states and 278 transitions. Second operand has 7 states, 6 states have (on average 4.5) internal successors, (27), 6 states have internal predecessors, (27), 1 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 2 states have call predecessors, (8), 1 states have call successors, (8) [2024-10-24 19:54:40,028 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 19:54:40,028 INFO L93 Difference]: Finished difference Result 199 states and 278 transitions. [2024-10-24 19:54:40,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-24 19:54:40,029 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 4.5) internal successors, (27), 6 states have internal predecessors, (27), 1 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 2 states have call predecessors, (8), 1 states have call successors, (8) Word has length 230 [2024-10-24 19:54:40,029 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 19:54:40,031 INFO L225 Difference]: With dead ends: 199 [2024-10-24 19:54:40,031 INFO L226 Difference]: Without dead ends: 188 [2024-10-24 19:54:40,031 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 314 GetRequests, 289 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 139 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=122, Invalid=580, Unknown=0, NotChecked=0, Total=702 [2024-10-24 19:54:40,032 INFO L432 NwaCegarLoop]: 22 mSDtfsCounter, 10 mSDsluCounter, 77 mSDsCounter, 0 mSdLazyCounter, 111 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 99 SdHoareTripleChecker+Invalid, 116 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 111 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 19:54:40,033 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 99 Invalid, 116 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 111 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 19:54:40,038 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 188 states. [2024-10-24 19:54:40,049 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 188 to 188. [2024-10-24 19:54:40,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 188 states, 127 states have (on average 1.0393700787401574) internal successors, (132), 128 states have internal predecessors, (132), 58 states have call successors, (58), 1 states have call predecessors, (58), 1 states have return successors, (58), 58 states have call predecessors, (58), 58 states have call successors, (58) [2024-10-24 19:54:40,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 188 states and 248 transitions. [2024-10-24 19:54:40,052 INFO L78 Accepts]: Start accepts. Automaton has 188 states and 248 transitions. Word has length 230 [2024-10-24 19:54:40,052 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 19:54:40,052 INFO L471 AbstractCegarLoop]: Abstraction has 188 states and 248 transitions. [2024-10-24 19:54:40,052 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 4.5) internal successors, (27), 6 states have internal predecessors, (27), 1 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 2 states have call predecessors, (8), 1 states have call successors, (8) [2024-10-24 19:54:40,053 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 248 transitions. [2024-10-24 19:54:40,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 305 [2024-10-24 19:54:40,056 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 19:54:40,056 INFO L215 NwaCegarLoop]: trace histogram [42, 42, 42, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 19:54:40,075 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2024-10-24 19:54:40,256 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,SelfDestructingSolverStorable19 [2024-10-24 19:54:40,257 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-10-24 19:54:40,257 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 19:54:40,257 INFO L85 PathProgramCache]: Analyzing trace with hash -1210061442, now seen corresponding path program 3 times [2024-10-24 19:54:40,257 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 19:54:40,257 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1565225764] [2024-10-24 19:54:40,257 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 19:54:40,258 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 19:54:40,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:54:40,757 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-24 19:54:40,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:54:40,759 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-24 19:54:40,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:54:40,761 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-24 19:54:40,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:54:40,762 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 19:54:40,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:54:40,764 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-10-24 19:54:40,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:54:40,765 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-10-24 19:54:40,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:54:40,767 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-10-24 19:54:40,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:54:40,768 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-24 19:54:40,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:54:40,770 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-10-24 19:54:40,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:54:40,771 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-24 19:54:40,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:54:40,773 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-24 19:54:40,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:54:40,774 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-24 19:54:40,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:54:40,776 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-10-24 19:54:40,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:54:40,777 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-24 19:54:40,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:54:40,779 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-24 19:54:40,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:54:40,780 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-24 19:54:40,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:54:40,782 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-10-24 19:54:40,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:54:40,783 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-10-24 19:54:40,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:54:40,785 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-10-24 19:54:40,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:54:40,786 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-10-24 19:54:40,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:54:40,788 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-10-24 19:54:40,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:54:40,790 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-10-24 19:54:40,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:54:40,791 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-10-24 19:54:40,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:54:40,793 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-10-24 19:54:40,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:54:40,795 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-10-24 19:54:40,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:54:40,796 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-10-24 19:54:40,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:54:40,797 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-10-24 19:54:40,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:54:40,799 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-10-24 19:54:40,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:54:40,801 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-10-24 19:54:40,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:54:40,802 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-10-24 19:54:40,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:54:40,804 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2024-10-24 19:54:40,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:54:40,805 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2024-10-24 19:54:40,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:54:40,807 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2024-10-24 19:54:40,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:54:40,808 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-10-24 19:54:40,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:54:40,810 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2024-10-24 19:54:40,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:54:40,812 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2024-10-24 19:54:40,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:54:40,814 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2024-10-24 19:54:40,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:54:40,815 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2024-10-24 19:54:40,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:54:40,817 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2024-10-24 19:54:40,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:54:40,819 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2024-10-24 19:54:40,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:54:40,820 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2024-10-24 19:54:40,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:54:40,822 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2024-10-24 19:54:40,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:54:40,825 INFO L134 CoverageAnalysis]: Checked inductivity of 4084 backedges. 0 proven. 640 refuted. 0 times theorem prover too weak. 3444 trivial. 0 not checked. [2024-10-24 19:54:40,825 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 19:54:40,825 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1565225764] [2024-10-24 19:54:40,825 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1565225764] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 19:54:40,825 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [31273844] [2024-10-24 19:54:40,826 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-10-24 19:54:40,826 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 19:54:40,826 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 19:54:40,827 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) [2024-10-24 19:54:40,829 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-10-24 19:54:40,887 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2024-10-24 19:54:40,887 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-24 19:54:40,888 INFO L255 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-10-24 19:54:40,891 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 19:54:41,121 INFO L134 CoverageAnalysis]: Checked inductivity of 4084 backedges. 117 proven. 106 refuted. 0 times theorem prover too weak. 3861 trivial. 0 not checked. [2024-10-24 19:54:41,121 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 19:54:41,536 INFO L134 CoverageAnalysis]: Checked inductivity of 4084 backedges. 117 proven. 106 refuted. 0 times theorem prover too weak. 3861 trivial. 0 not checked. [2024-10-24 19:54:41,536 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [31273844] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-24 19:54:41,536 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-24 19:54:41,537 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 6, 6] total 29 [2024-10-24 19:54:41,537 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [207569390] [2024-10-24 19:54:41,537 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-24 19:54:41,538 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2024-10-24 19:54:41,538 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 19:54:41,539 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2024-10-24 19:54:41,539 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=191, Invalid=679, Unknown=0, NotChecked=0, Total=870 [2024-10-24 19:54:41,540 INFO L87 Difference]: Start difference. First operand 188 states and 248 transitions. Second operand has 30 states, 29 states have (on average 4.275862068965517) internal successors, (124), 30 states have internal predecessors, (124), 13 states have call successors, (48), 1 states have call predecessors, (48), 2 states have return successors, (49), 13 states have call predecessors, (49), 13 states have call successors, (49) [2024-10-24 19:54:42,099 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 19:54:42,099 INFO L93 Difference]: Finished difference Result 188 states and 248 transitions. [2024-10-24 19:54:42,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-10-24 19:54:42,100 INFO L78 Accepts]: Start accepts. Automaton has has 30 states, 29 states have (on average 4.275862068965517) internal successors, (124), 30 states have internal predecessors, (124), 13 states have call successors, (48), 1 states have call predecessors, (48), 2 states have return successors, (49), 13 states have call predecessors, (49), 13 states have call successors, (49) Word has length 304 [2024-10-24 19:54:42,101 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 19:54:42,102 INFO L225 Difference]: With dead ends: 188 [2024-10-24 19:54:42,102 INFO L226 Difference]: Without dead ends: 187 [2024-10-24 19:54:42,103 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 737 GetRequests, 683 SyntacticMatches, 2 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 512 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=551, Invalid=2311, Unknown=0, NotChecked=0, Total=2862 [2024-10-24 19:54:42,104 INFO L432 NwaCegarLoop]: 15 mSDtfsCounter, 2 mSDsluCounter, 158 mSDsCounter, 0 mSdLazyCounter, 177 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 173 SdHoareTripleChecker+Invalid, 179 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 177 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-24 19:54:42,104 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 173 Invalid, 179 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 177 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-24 19:54:42,104 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 187 states. [2024-10-24 19:54:42,116 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 187 to 187. [2024-10-24 19:54:42,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 187 states, 127 states have (on average 1.0078740157480315) internal successors, (128), 127 states have internal predecessors, (128), 58 states have call successors, (58), 1 states have call predecessors, (58), 1 states have return successors, (58), 58 states have call predecessors, (58), 58 states have call successors, (58) [2024-10-24 19:54:42,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 187 states and 244 transitions. [2024-10-24 19:54:42,118 INFO L78 Accepts]: Start accepts. Automaton has 187 states and 244 transitions. Word has length 304 [2024-10-24 19:54:42,119 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 19:54:42,119 INFO L471 AbstractCegarLoop]: Abstraction has 187 states and 244 transitions. [2024-10-24 19:54:42,119 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 29 states have (on average 4.275862068965517) internal successors, (124), 30 states have internal predecessors, (124), 13 states have call successors, (48), 1 states have call predecessors, (48), 2 states have return successors, (49), 13 states have call predecessors, (49), 13 states have call successors, (49) [2024-10-24 19:54:42,119 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 244 transitions. [2024-10-24 19:54:42,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 415 [2024-10-24 19:54:42,127 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 19:54:42,127 INFO L215 NwaCegarLoop]: trace histogram [58, 58, 58, 15, 15, 15, 15, 15, 15, 15, 15, 15, 14, 14, 14, 14, 14, 14, 14, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 19:54:42,143 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2024-10-24 19:54:42,327 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 19:54:42,329 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-10-24 19:54:42,329 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 19:54:42,329 INFO L85 PathProgramCache]: Analyzing trace with hash -809984436, now seen corresponding path program 3 times [2024-10-24 19:54:42,329 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 19:54:42,329 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1012587015] [2024-10-24 19:54:42,329 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 19:54:42,330 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 19:54:42,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:54:43,242 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-24 19:54:43,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:54:43,244 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-24 19:54:43,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:54:43,246 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-24 19:54:43,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:54:43,249 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 19:54:43,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:54:43,250 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-10-24 19:54:43,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:54:43,252 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-10-24 19:54:43,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:54:43,255 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-10-24 19:54:43,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:54:43,256 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-24 19:54:43,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:54:43,258 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-10-24 19:54:43,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:54:43,260 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-24 19:54:43,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:54:43,261 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-24 19:54:43,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:54:43,263 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-24 19:54:43,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:54:43,265 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-10-24 19:54:43,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:54:43,266 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-24 19:54:43,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:54:43,272 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-24 19:54:43,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:54:43,274 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-24 19:54:43,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:54:43,276 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-10-24 19:54:43,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:54:43,279 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-10-24 19:54:43,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:54:43,281 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-10-24 19:54:43,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:54:43,283 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-10-24 19:54:43,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:54:43,285 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-10-24 19:54:43,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:54:43,286 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-10-24 19:54:43,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:54:43,287 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-10-24 19:54:43,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:54:43,289 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-10-24 19:54:43,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:54:43,290 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-10-24 19:54:43,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:54:43,292 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-10-24 19:54:43,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:54:43,294 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-10-24 19:54:43,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:54:43,295 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-10-24 19:54:43,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:54:43,297 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-10-24 19:54:43,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:54:43,299 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-10-24 19:54:43,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:54:43,300 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2024-10-24 19:54:43,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:54:43,302 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2024-10-24 19:54:43,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:54:43,304 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2024-10-24 19:54:43,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:54:43,306 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-10-24 19:54:43,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:54:43,307 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2024-10-24 19:54:43,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:54:43,309 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2024-10-24 19:54:43,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:54:43,310 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2024-10-24 19:54:43,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:54:43,311 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2024-10-24 19:54:43,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:54:43,313 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2024-10-24 19:54:43,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:54:43,314 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2024-10-24 19:54:43,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:54:43,316 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2024-10-24 19:54:43,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:54:43,317 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2024-10-24 19:54:43,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:54:43,319 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2024-10-24 19:54:43,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:54:43,320 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 309 [2024-10-24 19:54:43,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:54:43,322 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2024-10-24 19:54:43,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:54:43,324 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2024-10-24 19:54:43,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:54:43,326 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 332 [2024-10-24 19:54:43,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:54:43,328 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 337 [2024-10-24 19:54:43,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:54:43,330 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 345 [2024-10-24 19:54:43,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:54:43,331 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 350 [2024-10-24 19:54:43,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:54:43,333 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 360 [2024-10-24 19:54:43,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:54:43,334 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 365 [2024-10-24 19:54:43,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:54:43,337 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 373 [2024-10-24 19:54:43,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:54:43,339 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 378 [2024-10-24 19:54:43,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:54:43,340 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 388 [2024-10-24 19:54:43,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:54:43,342 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 393 [2024-10-24 19:54:43,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:54:43,344 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 401 [2024-10-24 19:54:43,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:54:43,346 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 406 [2024-10-24 19:54:43,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:54:43,350 INFO L134 CoverageAnalysis]: Checked inductivity of 7816 backedges. 0 proven. 1204 refuted. 0 times theorem prover too weak. 6612 trivial. 0 not checked. [2024-10-24 19:54:43,350 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 19:54:43,351 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1012587015] [2024-10-24 19:54:43,351 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1012587015] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 19:54:43,352 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2125915359] [2024-10-24 19:54:43,352 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-10-24 19:54:43,352 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 19:54:43,352 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 19:54:43,354 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) [2024-10-24 19:54:43,355 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-10-24 19:54:43,421 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-10-24 19:54:43,422 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-24 19:54:43,423 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-10-24 19:54:43,429 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 19:54:43,786 INFO L134 CoverageAnalysis]: Checked inductivity of 7816 backedges. 171 proven. 42 refuted. 0 times theorem prover too weak. 7603 trivial. 0 not checked. [2024-10-24 19:54:43,787 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 19:54:44,294 INFO L134 CoverageAnalysis]: Checked inductivity of 7816 backedges. 171 proven. 42 refuted. 0 times theorem prover too weak. 7603 trivial. 0 not checked. [2024-10-24 19:54:44,295 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2125915359] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-24 19:54:44,295 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-24 19:54:44,295 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31, 7, 7] total 42 [2024-10-24 19:54:44,295 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [994715694] [2024-10-24 19:54:44,295 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-24 19:54:44,297 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 43 states [2024-10-24 19:54:44,297 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 19:54:44,298 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2024-10-24 19:54:44,298 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=359, Invalid=1447, Unknown=0, NotChecked=0, Total=1806 [2024-10-24 19:54:44,299 INFO L87 Difference]: Start difference. First operand 187 states and 244 transitions. Second operand has 43 states, 42 states have (on average 3.9523809523809526) internal successors, (166), 41 states have internal predecessors, (166), 17 states have call successors, (66), 1 states have call predecessors, (66), 2 states have return successors, (68), 19 states have call predecessors, (68), 17 states have call successors, (68) [2024-10-24 19:54:45,239 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 19:54:45,240 INFO L93 Difference]: Finished difference Result 210 states and 276 transitions. [2024-10-24 19:54:45,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-10-24 19:54:45,242 INFO L78 Accepts]: Start accepts. Automaton has has 43 states, 42 states have (on average 3.9523809523809526) internal successors, (166), 41 states have internal predecessors, (166), 17 states have call successors, (66), 1 states have call predecessors, (66), 2 states have return successors, (68), 19 states have call predecessors, (68), 17 states have call successors, (68) Word has length 414 [2024-10-24 19:54:45,242 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 19:54:45,243 INFO L225 Difference]: With dead ends: 210 [2024-10-24 19:54:45,243 INFO L226 Difference]: Without dead ends: 0 [2024-10-24 19:54:45,246 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 1008 GetRequests, 932 SyntacticMatches, 0 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1029 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=1161, Invalid=4845, Unknown=0, NotChecked=0, Total=6006 [2024-10-24 19:54:45,246 INFO L432 NwaCegarLoop]: 9 mSDtfsCounter, 281 mSDsluCounter, 121 mSDsCounter, 0 mSdLazyCounter, 238 mSolverCounterSat, 142 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 281 SdHoareTripleChecker+Valid, 130 SdHoareTripleChecker+Invalid, 380 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 142 IncrementalHoareTripleChecker+Valid, 238 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-24 19:54:45,247 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [281 Valid, 130 Invalid, 380 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [142 Valid, 238 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-24 19:54:45,247 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-10-24 19:54:45,247 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-10-24 19:54:45,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 19:54:45,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-10-24 19:54:45,248 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 414 [2024-10-24 19:54:45,248 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 19:54:45,248 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-10-24 19:54:45,248 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 43 states, 42 states have (on average 3.9523809523809526) internal successors, (166), 41 states have internal predecessors, (166), 17 states have call successors, (66), 1 states have call predecessors, (66), 2 states have return successors, (68), 19 states have call predecessors, (68), 17 states have call successors, (68) [2024-10-24 19:54:45,249 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-10-24 19:54:45,249 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-10-24 19:54:45,251 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 10 remaining) [2024-10-24 19:54:45,252 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 10 remaining) [2024-10-24 19:54:45,252 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 10 remaining) [2024-10-24 19:54:45,252 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 10 remaining) [2024-10-24 19:54:45,252 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 10 remaining) [2024-10-24 19:54:45,252 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 10 remaining) [2024-10-24 19:54:45,252 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 10 remaining) [2024-10-24 19:54:45,253 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 10 remaining) [2024-10-24 19:54:45,253 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 10 remaining) [2024-10-24 19:54:45,253 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 10 remaining) [2024-10-24 19:54:45,271 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2024-10-24 19:54:45,454 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 19:54:45,458 INFO L407 BasicCegarLoop]: Path program histogram: [3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 19:54:45,460 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-10-24 19:54:47,245 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-24 19:54:47,266 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 07:54:47 BoogieIcfgContainer [2024-10-24 19:54:47,266 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-24 19:54:47,267 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-24 19:54:47,267 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-24 19:54:47,267 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-24 19:54:47,268 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 07:54:27" (3/4) ... [2024-10-24 19:54:47,270 INFO L139 WitnessPrinter]: Generating witness for correct program [2024-10-24 19:54:47,275 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2024-10-24 19:54:47,279 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2024-10-24 19:54:47,279 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-10-24 19:54:47,280 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-10-24 19:54:47,280 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-10-24 19:54:47,362 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-10-24 19:54:47,362 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-10-24 19:54:47,362 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-24 19:54:47,363 INFO L158 Benchmark]: Toolchain (without parser) took 20582.69ms. Allocated memory was 161.5MB in the beginning and 339.7MB in the end (delta: 178.3MB). Free memory was 93.5MB in the beginning and 117.9MB in the end (delta: -24.3MB). Peak memory consumption was 155.6MB. Max. memory is 16.1GB. [2024-10-24 19:54:47,363 INFO L158 Benchmark]: CDTParser took 1.43ms. Allocated memory is still 117.4MB. Free memory is still 77.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-24 19:54:47,363 INFO L158 Benchmark]: CACSL2BoogieTranslator took 264.75ms. Allocated memory is still 161.5MB. Free memory was 93.3MB in the beginning and 81.1MB in the end (delta: 12.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-10-24 19:54:47,364 INFO L158 Benchmark]: Boogie Procedure Inliner took 31.08ms. Allocated memory is still 161.5MB. Free memory was 81.1MB in the beginning and 79.5MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-24 19:54:47,364 INFO L158 Benchmark]: Boogie Preprocessor took 40.73ms. Allocated memory is still 161.5MB. Free memory was 79.5MB in the beginning and 77.9MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-24 19:54:47,364 INFO L158 Benchmark]: RCFGBuilder took 470.49ms. Allocated memory is still 161.5MB. Free memory was 77.7MB in the beginning and 127.1MB in the end (delta: -49.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-10-24 19:54:47,364 INFO L158 Benchmark]: TraceAbstraction took 19672.24ms. Allocated memory was 161.5MB in the beginning and 339.7MB in the end (delta: 178.3MB). Free memory was 126.3MB in the beginning and 123.1MB in the end (delta: 3.2MB). Peak memory consumption was 204.8MB. Max. memory is 16.1GB. [2024-10-24 19:54:47,365 INFO L158 Benchmark]: Witness Printer took 95.45ms. Allocated memory is still 339.7MB. Free memory was 123.1MB in the beginning and 117.9MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-24 19:54:47,366 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.43ms. Allocated memory is still 117.4MB. Free memory is still 77.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 264.75ms. Allocated memory is still 161.5MB. Free memory was 93.3MB in the beginning and 81.1MB in the end (delta: 12.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 31.08ms. Allocated memory is still 161.5MB. Free memory was 81.1MB in the beginning and 79.5MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 40.73ms. Allocated memory is still 161.5MB. Free memory was 79.5MB in the beginning and 77.9MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 470.49ms. Allocated memory is still 161.5MB. Free memory was 77.7MB in the beginning and 127.1MB in the end (delta: -49.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 19672.24ms. Allocated memory was 161.5MB in the beginning and 339.7MB in the end (delta: 178.3MB). Free memory was 126.3MB in the beginning and 123.1MB in the end (delta: 3.2MB). Peak memory consumption was 204.8MB. Max. memory is 16.1GB. * Witness Printer took 95.45ms. Allocated memory is still 339.7MB. Free memory was 123.1MB in the beginning and 117.9MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 36]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 36]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 43]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 43]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 45]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 45]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 51]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 51]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 54]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 54]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 46 locations, 10 error locations. Started 1 CEGAR loops. OverallTime: 17.8s, OverallIterations: 22, TraceHistogramMax: 58, PathProgramHistogramMax: 3, EmptinessCheckTime: 0.0s, AutomataDifference: 3.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 744 SdHoareTripleChecker+Valid, 2.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 622 mSDsluCounter, 4005 SdHoareTripleChecker+Invalid, 1.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3249 mSDsCounter, 220 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2174 IncrementalHoareTripleChecker+Invalid, 2394 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 220 mSolverCounterUnsat, 756 mSDtfsCounter, 2174 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 4460 GetRequests, 4106 SyntacticMatches, 2 SemanticMatches, 352 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2670 ImplicationChecksByTransitivity, 3.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=200occurred in iteration=18, InterpolantAutomatonStates: 270, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 22 MinimizatonAttempts, 156 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 9.0s InterpolantComputationTime, 4372 NumberOfCodeBlocks, 3340 NumberOfCodeBlocksAsserted, 46 NumberOfCheckSat, 5833 ConstructedInterpolants, 0 QuantifiedInterpolants, 11001 SizeOfPredicates, 8 NumberOfNonLiveVariables, 2285 ConjunctsInSsa, 120 ConjunctsInUnsatCore, 47 InterpolantComputations, 12 PerfectInterpolantSequences, 51581/55664 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 10 specifications checked. All of them hold - InvariantResult [Line: 37]: Loop Invariant Derived loop invariant: ((((((((inlen <= 2147483647) && (2 <= bufferlen)) && (in <= 2147483646)) && (1 <= in)) && (bufferlen <= 2147483646)) && (buf <= 2147483646)) && (1 <= buf)) || (((((inlen <= 2147483647) && (2 <= bufferlen)) && (buf == 0)) && (bufferlen <= 2147483646)) && (in == 0))) - ProcedureContractResult [Line: 17]: Procedure Contract for __VERIFIER_assert Derived contract for procedure __VERIFIER_assert. Ensures: (cond != 0) RESULT: Ultimate proved your program to be correct! [2024-10-24 19:54:47,391 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE