./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/nla-digbench-scaling/bresenham-ll_unwindbound10.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 3061b6dc Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/nla-digbench-scaling/bresenham-ll_unwindbound10.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash d8ee33f278cd93a3b1e0d551730c6407889b70e338ebc3c857541220d9b0f75f --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-3061b6d-m [2024-11-19 10:30:22,283 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-19 10:30:22,357 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-19 10:30:22,361 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-19 10:30:22,362 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-19 10:30:22,410 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-19 10:30:22,410 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-19 10:30:22,411 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-19 10:30:22,412 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-19 10:30:22,415 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-19 10:30:22,416 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-19 10:30:22,416 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-19 10:30:22,417 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-19 10:30:22,417 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-19 10:30:22,417 INFO L153 SettingsManager]: * Use SBE=true [2024-11-19 10:30:22,417 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-19 10:30:22,418 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-19 10:30:22,418 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-19 10:30:22,418 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-19 10:30:22,418 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-19 10:30:22,419 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-19 10:30:22,421 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-19 10:30:22,422 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-19 10:30:22,422 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-19 10:30:22,422 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-19 10:30:22,422 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-19 10:30:22,423 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-19 10:30:22,423 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-19 10:30:22,423 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-19 10:30:22,423 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-19 10:30:22,424 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-19 10:30:22,425 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-19 10:30:22,425 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-19 10:30:22,425 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-19 10:30:22,426 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 10:30:22,426 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-19 10:30:22,426 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-19 10:30:22,426 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-19 10:30:22,427 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-19 10:30:22,427 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-19 10:30:22,427 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-19 10:30:22,427 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-19 10:30:22,428 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-19 10:30:22,428 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-19 10:30:22,428 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d8ee33f278cd93a3b1e0d551730c6407889b70e338ebc3c857541220d9b0f75f [2024-11-19 10:30:22,675 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-19 10:30:22,697 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-19 10:30:22,701 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-19 10:30:22,702 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-19 10:30:22,702 INFO L274 PluginConnector]: CDTParser initialized [2024-11-19 10:30:22,703 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench-scaling/bresenham-ll_unwindbound10.c [2024-11-19 10:30:24,188 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-19 10:30:24,383 INFO L384 CDTParser]: Found 1 translation units. [2024-11-19 10:30:24,383 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/bresenham-ll_unwindbound10.c [2024-11-19 10:30:24,394 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/83c9799a3/11c942e719eb42288d707bb4273e0649/FLAGcb732c741 [2024-11-19 10:30:24,766 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/83c9799a3/11c942e719eb42288d707bb4273e0649 [2024-11-19 10:30:24,770 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-19 10:30:24,771 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-19 10:30:24,772 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-19 10:30:24,773 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-19 10:30:24,778 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-19 10:30:24,778 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 10:30:24" (1/1) ... [2024-11-19 10:30:24,779 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@784409fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:30:24, skipping insertion in model container [2024-11-19 10:30:24,779 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 10:30:24" (1/1) ... [2024-11-19 10:30:24,798 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-19 10:30:24,992 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 10:30:25,000 INFO L200 MainTranslator]: Completed pre-run [2024-11-19 10:30:25,018 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 10:30:25,033 INFO L204 MainTranslator]: Completed translation [2024-11-19 10:30:25,034 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:30:25 WrapperNode [2024-11-19 10:30:25,034 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-19 10:30:25,035 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-19 10:30:25,035 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-19 10:30:25,036 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-19 10:30:25,042 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:30:25" (1/1) ... [2024-11-19 10:30:25,049 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:30:25" (1/1) ... [2024-11-19 10:30:25,074 INFO L138 Inliner]: procedures = 14, calls = 10, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 121 [2024-11-19 10:30:25,074 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-19 10:30:25,075 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-19 10:30:25,075 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-19 10:30:25,075 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-19 10:30:25,089 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:30:25" (1/1) ... [2024-11-19 10:30:25,089 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:30:25" (1/1) ... [2024-11-19 10:30:25,091 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:30:25" (1/1) ... [2024-11-19 10:30:25,119 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-19 10:30:25,119 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:30:25" (1/1) ... [2024-11-19 10:30:25,119 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:30:25" (1/1) ... [2024-11-19 10:30:25,124 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:30:25" (1/1) ... [2024-11-19 10:30:25,135 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:30:25" (1/1) ... [2024-11-19 10:30:25,137 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:30:25" (1/1) ... [2024-11-19 10:30:25,137 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:30:25" (1/1) ... [2024-11-19 10:30:25,141 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-19 10:30:25,142 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-19 10:30:25,146 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-19 10:30:25,146 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-19 10:30:25,147 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:30:25" (1/1) ... [2024-11-19 10:30:25,158 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 10:30:25,168 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:30:25,187 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-19 10:30:25,193 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-19 10:30:25,237 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-19 10:30:25,238 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-19 10:30:25,238 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-19 10:30:25,238 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-19 10:30:25,238 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-19 10:30:25,238 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-19 10:30:25,305 INFO L238 CfgBuilder]: Building ICFG [2024-11-19 10:30:25,307 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-19 10:30:25,752 INFO L? ?]: Removed 137 outVars from TransFormulas that were not future-live. [2024-11-19 10:30:25,753 INFO L287 CfgBuilder]: Performing block encoding [2024-11-19 10:30:25,777 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-19 10:30:25,778 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-19 10:30:25,779 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 10:30:25 BoogieIcfgContainer [2024-11-19 10:30:25,779 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-19 10:30:25,781 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-19 10:30:25,781 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-19 10:30:25,784 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-19 10:30:25,785 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 10:30:24" (1/3) ... [2024-11-19 10:30:25,786 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56776fe0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 10:30:25, skipping insertion in model container [2024-11-19 10:30:25,786 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:30:25" (2/3) ... [2024-11-19 10:30:25,787 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56776fe0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 10:30:25, skipping insertion in model container [2024-11-19 10:30:25,787 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 10:30:25" (3/3) ... [2024-11-19 10:30:25,788 INFO L112 eAbstractionObserver]: Analyzing ICFG bresenham-ll_unwindbound10.c [2024-11-19 10:30:25,804 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-19 10:30:25,804 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 60 error locations. [2024-11-19 10:30:25,871 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-19 10:30:25,879 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;@5932d095, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-19 10:30:25,882 INFO L334 AbstractCegarLoop]: Starting to check reachability of 60 error locations. [2024-11-19 10:30:25,886 INFO L276 IsEmpty]: Start isEmpty. Operand has 139 states, 75 states have (on average 1.8666666666666667) internal successors, (140), 135 states have internal predecessors, (140), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-19 10:30:25,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-19 10:30:25,892 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:30:25,893 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1] [2024-11-19 10:30:25,894 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2024-11-19 10:30:25,899 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:30:25,899 INFO L85 PathProgramCache]: Analyzing trace with hash 29856, now seen corresponding path program 1 times [2024-11-19 10:30:25,908 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:30:25,908 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1398981558] [2024-11-19 10:30:25,909 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:30:25,909 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:30:26,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:30:26,068 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 10:30:26,069 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:30:26,069 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1398981558] [2024-11-19 10:30:26,070 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1398981558] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:30:26,070 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:30:26,070 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 10:30:26,072 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [755015065] [2024-11-19 10:30:26,072 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:30:26,076 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 10:30:26,076 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:30:26,096 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 10:30:26,096 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 10:30:26,099 INFO L87 Difference]: Start difference. First operand has 139 states, 75 states have (on average 1.8666666666666667) internal successors, (140), 135 states have internal predecessors, (140), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 3 states, 2 states have (on average 1.5) internal successors, (3), 3 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:30:26,277 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:30:26,278 INFO L93 Difference]: Finished difference Result 264 states and 279 transitions. [2024-11-19 10:30:26,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 10:30:26,280 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 3 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 3 [2024-11-19 10:30:26,281 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:30:26,289 INFO L225 Difference]: With dead ends: 264 [2024-11-19 10:30:26,289 INFO L226 Difference]: Without dead ends: 128 [2024-11-19 10:30:26,293 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 [2024-11-19 10:30:26,298 INFO L432 NwaCegarLoop]: 77 mSDtfsCounter, 97 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 89 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 99 SdHoareTripleChecker+Valid, 85 SdHoareTripleChecker+Invalid, 92 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 89 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 10:30:26,300 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [99 Valid, 85 Invalid, 92 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 89 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 10:30:26,313 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states. [2024-11-19 10:30:26,331 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 128. [2024-11-19 10:30:26,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 128 states, 70 states have (on average 1.8285714285714285) internal successors, (128), 125 states have internal predecessors, (128), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-19 10:30:26,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 130 transitions. [2024-11-19 10:30:26,336 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 130 transitions. Word has length 3 [2024-11-19 10:30:26,336 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:30:26,336 INFO L471 AbstractCegarLoop]: Abstraction has 128 states and 130 transitions. [2024-11-19 10:30:26,336 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 3 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:30:26,337 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 130 transitions. [2024-11-19 10:30:26,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-19 10:30:26,337 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:30:26,337 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2024-11-19 10:30:26,338 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-19 10:30:26,338 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2024-11-19 10:30:26,339 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:30:26,339 INFO L85 PathProgramCache]: Analyzing trace with hash 925572, now seen corresponding path program 1 times [2024-11-19 10:30:26,339 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:30:26,339 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1997994656] [2024-11-19 10:30:26,339 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:30:26,339 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:30:26,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:30:26,381 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 10:30:26,382 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:30:26,382 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1997994656] [2024-11-19 10:30:26,382 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1997994656] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:30:26,382 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:30:26,382 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 10:30:26,383 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1114335956] [2024-11-19 10:30:26,383 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:30:26,384 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 10:30:26,384 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:30:26,385 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 10:30:26,385 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 10:30:26,385 INFO L87 Difference]: Start difference. First operand 128 states and 130 transitions. Second operand has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:30:26,495 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:30:26,495 INFO L93 Difference]: Finished difference Result 128 states and 130 transitions. [2024-11-19 10:30:26,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 10:30:26,496 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2024-11-19 10:30:26,496 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:30:26,497 INFO L225 Difference]: With dead ends: 128 [2024-11-19 10:30:26,497 INFO L226 Difference]: Without dead ends: 124 [2024-11-19 10:30:26,498 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 [2024-11-19 10:30:26,499 INFO L432 NwaCegarLoop]: 71 mSDtfsCounter, 94 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 79 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 95 SdHoareTripleChecker+Valid, 76 SdHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 79 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 10:30:26,500 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [95 Valid, 76 Invalid, 82 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 79 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 10:30:26,501 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2024-11-19 10:30:26,510 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 124. [2024-11-19 10:30:26,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 124 states, 70 states have (on average 1.7714285714285714) internal successors, (124), 121 states have internal predecessors, (124), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-19 10:30:26,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 126 transitions. [2024-11-19 10:30:26,514 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 126 transitions. Word has length 4 [2024-11-19 10:30:26,514 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:30:26,514 INFO L471 AbstractCegarLoop]: Abstraction has 124 states and 126 transitions. [2024-11-19 10:30:26,515 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:30:26,515 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 126 transitions. [2024-11-19 10:30:26,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-19 10:30:26,518 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:30:26,518 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2024-11-19 10:30:26,519 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-19 10:30:26,519 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2024-11-19 10:30:26,520 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:30:26,520 INFO L85 PathProgramCache]: Analyzing trace with hash 28692770, now seen corresponding path program 1 times [2024-11-19 10:30:26,523 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:30:26,524 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [81103291] [2024-11-19 10:30:26,524 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:30:26,524 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:30:26,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:30:26,586 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 10:30:26,586 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:30:26,587 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [81103291] [2024-11-19 10:30:26,587 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [81103291] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:30:26,589 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:30:26,589 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 10:30:26,589 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [254540160] [2024-11-19 10:30:26,589 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:30:26,590 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 10:30:26,590 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:30:26,591 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 10:30:26,592 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 10:30:26,592 INFO L87 Difference]: Start difference. First operand 124 states and 126 transitions. Second operand has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:30:26,759 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:30:26,759 INFO L93 Difference]: Finished difference Result 124 states and 126 transitions. [2024-11-19 10:30:26,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 10:30:26,760 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 [2024-11-19 10:30:26,760 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:30:26,761 INFO L225 Difference]: With dead ends: 124 [2024-11-19 10:30:26,761 INFO L226 Difference]: Without dead ends: 123 [2024-11-19 10:30:26,762 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 [2024-11-19 10:30:26,763 INFO L432 NwaCegarLoop]: 57 mSDtfsCounter, 87 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 97 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 88 SdHoareTripleChecker+Valid, 62 SdHoareTripleChecker+Invalid, 97 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 97 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-19 10:30:26,763 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [88 Valid, 62 Invalid, 97 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 97 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-19 10:30:26,764 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2024-11-19 10:30:26,770 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 123. [2024-11-19 10:30:26,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 123 states, 70 states have (on average 1.7571428571428571) internal successors, (123), 120 states have internal predecessors, (123), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-19 10:30:26,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 125 transitions. [2024-11-19 10:30:26,772 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 125 transitions. Word has length 5 [2024-11-19 10:30:26,772 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:30:26,772 INFO L471 AbstractCegarLoop]: Abstraction has 123 states and 125 transitions. [2024-11-19 10:30:26,772 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) [2024-11-19 10:30:26,772 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 125 transitions. [2024-11-19 10:30:26,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-19 10:30:26,773 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:30:26,773 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-11-19 10:30:26,773 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-19 10:30:26,774 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2024-11-19 10:30:26,774 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:30:26,774 INFO L85 PathProgramCache]: Analyzing trace with hash 889475910, now seen corresponding path program 1 times [2024-11-19 10:30:26,774 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:30:26,775 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1557084568] [2024-11-19 10:30:26,778 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:30:26,778 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:30:26,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:30:26,831 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 10:30:26,832 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:30:26,832 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1557084568] [2024-11-19 10:30:26,832 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1557084568] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:30:26,832 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:30:26,833 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 10:30:26,833 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1346533794] [2024-11-19 10:30:26,833 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:30:26,833 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 10:30:26,834 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:30:26,835 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 10:30:26,835 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 10:30:26,836 INFO L87 Difference]: Start difference. First operand 123 states and 125 transitions. Second operand has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 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) [2024-11-19 10:30:27,019 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:30:27,019 INFO L93 Difference]: Finished difference Result 123 states and 125 transitions. [2024-11-19 10:30:27,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 10:30:27,020 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 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 [2024-11-19 10:30:27,020 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:30:27,021 INFO L225 Difference]: With dead ends: 123 [2024-11-19 10:30:27,021 INFO L226 Difference]: Without dead ends: 122 [2024-11-19 10:30:27,022 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 [2024-11-19 10:30:27,023 INFO L432 NwaCegarLoop]: 57 mSDtfsCounter, 86 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 95 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 87 SdHoareTripleChecker+Valid, 62 SdHoareTripleChecker+Invalid, 95 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 95 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-19 10:30:27,024 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [87 Valid, 62 Invalid, 95 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 95 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-19 10:30:27,025 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2024-11-19 10:30:27,030 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 122. [2024-11-19 10:30:27,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 122 states, 70 states have (on average 1.7428571428571429) internal successors, (122), 119 states have internal predecessors, (122), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-19 10:30:27,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 124 transitions. [2024-11-19 10:30:27,032 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 124 transitions. Word has length 6 [2024-11-19 10:30:27,032 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:30:27,032 INFO L471 AbstractCegarLoop]: Abstraction has 122 states and 124 transitions. [2024-11-19 10:30:27,033 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 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) [2024-11-19 10:30:27,033 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 124 transitions. [2024-11-19 10:30:27,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-19 10:30:27,033 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:30:27,033 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:30:27,034 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-19 10:30:27,034 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2024-11-19 10:30:27,034 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:30:27,034 INFO L85 PathProgramCache]: Analyzing trace with hash 87859048, now seen corresponding path program 1 times [2024-11-19 10:30:27,035 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:30:27,035 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1511196585] [2024-11-19 10:30:27,035 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:30:27,035 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:30:27,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:30:27,094 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 10:30:27,094 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:30:27,094 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1511196585] [2024-11-19 10:30:27,095 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1511196585] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:30:27,095 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:30:27,095 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 10:30:27,095 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1224651076] [2024-11-19 10:30:27,096 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:30:27,096 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 10:30:27,096 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:30:27,097 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 10:30:27,097 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 10:30:27,097 INFO L87 Difference]: Start difference. First operand 122 states and 124 transitions. Second operand has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:30:27,122 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:30:27,123 INFO L93 Difference]: Finished difference Result 122 states and 124 transitions. [2024-11-19 10:30:27,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 10:30:27,123 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2024-11-19 10:30:27,124 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:30:27,124 INFO L225 Difference]: With dead ends: 122 [2024-11-19 10:30:27,124 INFO L226 Difference]: Without dead ends: 121 [2024-11-19 10:30:27,125 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-19 10:30:27,127 INFO L432 NwaCegarLoop]: 117 mSDtfsCounter, 118 mSDsluCounter, 116 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 118 SdHoareTripleChecker+Valid, 233 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 10:30:27,127 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [118 Valid, 233 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 10:30:27,128 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2024-11-19 10:30:27,136 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 121. [2024-11-19 10:30:27,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 121 states, 70 states have (on average 1.7285714285714286) internal successors, (121), 118 states have internal predecessors, (121), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-19 10:30:27,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 123 transitions. [2024-11-19 10:30:27,141 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 123 transitions. Word has length 8 [2024-11-19 10:30:27,141 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:30:27,141 INFO L471 AbstractCegarLoop]: Abstraction has 121 states and 123 transitions. [2024-11-19 10:30:27,142 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:30:27,142 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 123 transitions. [2024-11-19 10:30:27,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-19 10:30:27,142 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:30:27,142 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:30:27,142 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-19 10:30:27,142 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2024-11-19 10:30:27,143 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:30:27,143 INFO L85 PathProgramCache]: Analyzing trace with hash -1571336759, now seen corresponding path program 1 times [2024-11-19 10:30:27,143 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:30:27,143 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [240260801] [2024-11-19 10:30:27,143 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:30:27,143 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:30:27,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:30:27,198 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 10:30:27,198 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:30:27,198 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [240260801] [2024-11-19 10:30:27,198 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [240260801] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:30:27,199 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:30:27,199 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 10:30:27,199 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1450439370] [2024-11-19 10:30:27,199 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:30:27,200 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 10:30:27,200 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:30:27,200 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 10:30:27,200 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 10:30:27,201 INFO L87 Difference]: Start difference. First operand 121 states and 123 transitions. Second operand has 4 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:30:27,235 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:30:27,235 INFO L93 Difference]: Finished difference Result 168 states and 170 transitions. [2024-11-19 10:30:27,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-19 10:30:27,236 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2024-11-19 10:30:27,236 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:30:27,237 INFO L225 Difference]: With dead ends: 168 [2024-11-19 10:30:27,237 INFO L226 Difference]: Without dead ends: 125 [2024-11-19 10:30:27,238 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-19 10:30:27,238 INFO L432 NwaCegarLoop]: 119 mSDtfsCounter, 3 mSDsluCounter, 230 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 349 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 10:30:27,239 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 349 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 10:30:27,239 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2024-11-19 10:30:27,248 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 125. [2024-11-19 10:30:27,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 125 states, 74 states have (on average 1.6891891891891893) internal successors, (125), 122 states have internal predecessors, (125), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-19 10:30:27,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 127 transitions. [2024-11-19 10:30:27,249 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 127 transitions. Word has length 9 [2024-11-19 10:30:27,249 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:30:27,249 INFO L471 AbstractCegarLoop]: Abstraction has 125 states and 127 transitions. [2024-11-19 10:30:27,250 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:30:27,250 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 127 transitions. [2024-11-19 10:30:27,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-19 10:30:27,250 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:30:27,250 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:30:27,250 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-19 10:30:27,250 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2024-11-19 10:30:27,251 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:30:27,251 INFO L85 PathProgramCache]: Analyzing trace with hash 1773864523, now seen corresponding path program 1 times [2024-11-19 10:30:27,251 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:30:27,251 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [554542539] [2024-11-19 10:30:27,251 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:30:27,251 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:30:27,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-19 10:30:27,262 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [362495143] [2024-11-19 10:30:27,262 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:30:27,263 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:30:27,263 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:30:27,265 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 10:30:27,266 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-19 10:30:27,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:30:27,309 INFO L255 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-19 10:30:27,312 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:30:27,333 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 10:30:27,333 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 10:30:27,334 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:30:27,334 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [554542539] [2024-11-19 10:30:27,334 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-19 10:30:27,335 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [362495143] [2024-11-19 10:30:27,335 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [362495143] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:30:27,335 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:30:27,335 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 10:30:27,335 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [764209820] [2024-11-19 10:30:27,335 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:30:27,336 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 10:30:27,336 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:30:27,336 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 10:30:27,336 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 10:30:27,337 INFO L87 Difference]: Start difference. First operand 125 states and 127 transitions. Second operand has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 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) [2024-11-19 10:30:27,454 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:30:27,455 INFO L93 Difference]: Finished difference Result 193 states and 198 transitions. [2024-11-19 10:30:27,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 10:30:27,455 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2024-11-19 10:30:27,455 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:30:27,456 INFO L225 Difference]: With dead ends: 193 [2024-11-19 10:30:27,456 INFO L226 Difference]: Without dead ends: 187 [2024-11-19 10:30:27,457 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 10:30:27,458 INFO L432 NwaCegarLoop]: 114 mSDtfsCounter, 61 mSDsluCounter, 105 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 62 SdHoareTripleChecker+Valid, 219 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 10:30:27,458 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [62 Valid, 219 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 10:30:27,459 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 187 states. [2024-11-19 10:30:27,468 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 187 to 149. [2024-11-19 10:30:27,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 149 states, 97 states have (on average 1.6804123711340206) internal successors, (163), 145 states have internal predecessors, (163), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-19 10:30:27,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 149 states and 167 transitions. [2024-11-19 10:30:27,470 INFO L78 Accepts]: Start accepts. Automaton has 149 states and 167 transitions. Word has length 11 [2024-11-19 10:30:27,470 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:30:27,470 INFO L471 AbstractCegarLoop]: Abstraction has 149 states and 167 transitions. [2024-11-19 10:30:27,470 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 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) [2024-11-19 10:30:27,470 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 167 transitions. [2024-11-19 10:30:27,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-19 10:30:27,470 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:30:27,470 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:30:27,486 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-19 10:30:27,671 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:30:27,672 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2024-11-19 10:30:27,672 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:30:27,672 INFO L85 PathProgramCache]: Analyzing trace with hash -418208051, now seen corresponding path program 1 times [2024-11-19 10:30:27,672 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:30:27,672 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [605851939] [2024-11-19 10:30:27,673 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:30:27,673 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:30:27,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-19 10:30:27,685 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [488763290] [2024-11-19 10:30:27,685 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:30:27,685 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:30:27,686 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:30:27,687 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 10:30:27,689 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-19 10:30:27,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:30:27,722 INFO L255 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-19 10:30:27,723 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:30:27,738 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 10:30:27,738 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 10:30:27,738 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:30:27,739 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [605851939] [2024-11-19 10:30:27,739 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-19 10:30:27,739 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [488763290] [2024-11-19 10:30:27,739 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [488763290] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:30:27,739 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:30:27,739 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 10:30:27,740 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1851336898] [2024-11-19 10:30:27,740 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:30:27,740 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 10:30:27,740 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:30:27,741 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 10:30:27,741 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 10:30:27,741 INFO L87 Difference]: Start difference. First operand 149 states and 167 transitions. Second operand has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 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) [2024-11-19 10:30:27,826 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:30:27,826 INFO L93 Difference]: Finished difference Result 254 states and 277 transitions. [2024-11-19 10:30:27,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 10:30:27,827 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2024-11-19 10:30:27,827 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:30:27,828 INFO L225 Difference]: With dead ends: 254 [2024-11-19 10:30:27,828 INFO L226 Difference]: Without dead ends: 248 [2024-11-19 10:30:27,828 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 10:30:27,829 INFO L432 NwaCegarLoop]: 113 mSDtfsCounter, 93 mSDsluCounter, 104 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 94 SdHoareTripleChecker+Valid, 217 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 10:30:27,829 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [94 Valid, 217 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 10:30:27,830 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 248 states. [2024-11-19 10:30:27,838 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 248 to 201. [2024-11-19 10:30:27,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 201 states, 148 states have (on average 1.6756756756756757) internal successors, (248), 196 states have internal predecessors, (248), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-19 10:30:27,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 201 states and 254 transitions. [2024-11-19 10:30:27,839 INFO L78 Accepts]: Start accepts. Automaton has 201 states and 254 transitions. Word has length 13 [2024-11-19 10:30:27,839 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:30:27,840 INFO L471 AbstractCegarLoop]: Abstraction has 201 states and 254 transitions. [2024-11-19 10:30:27,840 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 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) [2024-11-19 10:30:27,840 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 254 transitions. [2024-11-19 10:30:27,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-19 10:30:27,840 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:30:27,841 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:30:27,856 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-19 10:30:28,044 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,SelfDestructingSolverStorable7 [2024-11-19 10:30:28,045 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2024-11-19 10:30:28,045 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:30:28,045 INFO L85 PathProgramCache]: Analyzing trace with hash 1828990799, now seen corresponding path program 1 times [2024-11-19 10:30:28,046 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:30:28,046 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [174225974] [2024-11-19 10:30:28,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:30:28,046 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:30:28,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-19 10:30:28,054 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [658663695] [2024-11-19 10:30:28,054 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:30:28,054 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:30:28,055 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:30:28,056 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 10:30:28,057 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-19 10:30:28,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:30:28,102 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-19 10:30:28,103 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:30:28,146 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 10:30:28,146 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 10:30:28,146 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:30:28,147 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [174225974] [2024-11-19 10:30:28,147 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-19 10:30:28,147 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [658663695] [2024-11-19 10:30:28,147 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [658663695] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:30:28,147 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:30:28,147 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 10:30:28,148 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1245021073] [2024-11-19 10:30:28,148 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:30:28,148 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 10:30:28,148 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:30:28,149 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 10:30:28,149 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 10:30:28,149 INFO L87 Difference]: Start difference. First operand 201 states and 254 transitions. Second operand has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 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) [2024-11-19 10:30:28,377 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:30:28,377 INFO L93 Difference]: Finished difference Result 292 states and 353 transitions. [2024-11-19 10:30:28,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-19 10:30:28,378 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2024-11-19 10:30:28,378 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:30:28,379 INFO L225 Difference]: With dead ends: 292 [2024-11-19 10:30:28,379 INFO L226 Difference]: Without dead ends: 290 [2024-11-19 10:30:28,380 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-19 10:30:28,380 INFO L432 NwaCegarLoop]: 79 mSDtfsCounter, 142 mSDsluCounter, 159 mSDsCounter, 0 mSdLazyCounter, 136 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 142 SdHoareTripleChecker+Valid, 238 SdHoareTripleChecker+Invalid, 140 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 136 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-19 10:30:28,381 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [142 Valid, 238 Invalid, 140 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 136 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-19 10:30:28,381 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 290 states. [2024-11-19 10:30:28,388 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 290 to 202. [2024-11-19 10:30:28,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 202 states, 149 states have (on average 1.6644295302013423) internal successors, (248), 197 states have internal predecessors, (248), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-19 10:30:28,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 202 states and 254 transitions. [2024-11-19 10:30:28,389 INFO L78 Accepts]: Start accepts. Automaton has 202 states and 254 transitions. Word has length 15 [2024-11-19 10:30:28,390 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:30:28,390 INFO L471 AbstractCegarLoop]: Abstraction has 202 states and 254 transitions. [2024-11-19 10:30:28,390 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 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) [2024-11-19 10:30:28,390 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 254 transitions. [2024-11-19 10:30:28,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-19 10:30:28,391 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:30:28,391 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:30:28,407 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-19 10:30:28,594 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:30:28,595 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2024-11-19 10:30:28,595 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:30:28,595 INFO L85 PathProgramCache]: Analyzing trace with hash 864139987, now seen corresponding path program 1 times [2024-11-19 10:30:28,596 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:30:28,596 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1886001049] [2024-11-19 10:30:28,596 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:30:28,596 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:30:28,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-19 10:30:28,605 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [901518172] [2024-11-19 10:30:28,605 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:30:28,605 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:30:28,605 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:30:28,607 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 10:30:28,608 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-19 10:30:28,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:30:28,644 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-19 10:30:28,645 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:30:28,666 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 10:30:28,666 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 10:30:28,666 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:30:28,666 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1886001049] [2024-11-19 10:30:28,667 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-19 10:30:28,667 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [901518172] [2024-11-19 10:30:28,667 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [901518172] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:30:28,667 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:30:28,667 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 10:30:28,667 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2001544981] [2024-11-19 10:30:28,667 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:30:28,668 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 10:30:28,668 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:30:28,668 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 10:30:28,668 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 10:30:28,669 INFO L87 Difference]: Start difference. First operand 202 states and 254 transitions. Second operand has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:30:28,890 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:30:28,891 INFO L93 Difference]: Finished difference Result 291 states and 351 transitions. [2024-11-19 10:30:28,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-19 10:30:28,891 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), 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 16 [2024-11-19 10:30:28,891 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:30:28,893 INFO L225 Difference]: With dead ends: 291 [2024-11-19 10:30:28,893 INFO L226 Difference]: Without dead ends: 289 [2024-11-19 10:30:28,894 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-19 10:30:28,895 INFO L432 NwaCegarLoop]: 81 mSDtfsCounter, 140 mSDsluCounter, 160 mSDsCounter, 0 mSdLazyCounter, 133 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 140 SdHoareTripleChecker+Valid, 241 SdHoareTripleChecker+Invalid, 137 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 133 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-19 10:30:28,895 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [140 Valid, 241 Invalid, 137 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 133 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-19 10:30:28,896 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 289 states. [2024-11-19 10:30:28,902 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 289 to 203. [2024-11-19 10:30:28,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 203 states, 150 states have (on average 1.6533333333333333) internal successors, (248), 198 states have internal predecessors, (248), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-19 10:30:28,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 203 states and 254 transitions. [2024-11-19 10:30:28,904 INFO L78 Accepts]: Start accepts. Automaton has 203 states and 254 transitions. Word has length 16 [2024-11-19 10:30:28,904 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:30:28,904 INFO L471 AbstractCegarLoop]: Abstraction has 203 states and 254 transitions. [2024-11-19 10:30:28,904 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), 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) [2024-11-19 10:30:28,904 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 254 transitions. [2024-11-19 10:30:28,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-19 10:30:28,905 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:30:28,905 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:30:28,921 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-11-19 10:30:29,105 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:30:29,106 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2024-11-19 10:30:29,106 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:30:29,107 INFO L85 PathProgramCache]: Analyzing trace with hash 1018535889, now seen corresponding path program 1 times [2024-11-19 10:30:29,107 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:30:29,107 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1884970982] [2024-11-19 10:30:29,107 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:30:29,107 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:30:29,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-19 10:30:29,115 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1339747824] [2024-11-19 10:30:29,116 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:30:29,116 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:30:29,116 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:30:29,118 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 10:30:29,119 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-19 10:30:29,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:30:29,152 INFO L255 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-19 10:30:29,153 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:30:29,179 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 10:30:29,179 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 10:30:29,179 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:30:29,180 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1884970982] [2024-11-19 10:30:29,180 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-19 10:30:29,180 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1339747824] [2024-11-19 10:30:29,180 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1339747824] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:30:29,180 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:30:29,180 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 10:30:29,180 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [78114959] [2024-11-19 10:30:29,181 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:30:29,181 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 10:30:29,181 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:30:29,181 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 10:30:29,181 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 10:30:29,181 INFO L87 Difference]: Start difference. First operand 203 states and 254 transitions. Second operand has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:30:29,301 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:30:29,301 INFO L93 Difference]: Finished difference Result 276 states and 296 transitions. [2024-11-19 10:30:29,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-19 10:30:29,302 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2024-11-19 10:30:29,302 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:30:29,303 INFO L225 Difference]: With dead ends: 276 [2024-11-19 10:30:29,303 INFO L226 Difference]: Without dead ends: 274 [2024-11-19 10:30:29,303 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-19 10:30:29,303 INFO L432 NwaCegarLoop]: 81 mSDtfsCounter, 191 mSDsluCounter, 180 mSDsCounter, 0 mSdLazyCounter, 115 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 191 SdHoareTripleChecker+Valid, 261 SdHoareTripleChecker+Invalid, 119 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 115 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 10:30:29,304 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [191 Valid, 261 Invalid, 119 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 115 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 10:30:29,304 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 274 states. [2024-11-19 10:30:29,310 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 274 to 203. [2024-11-19 10:30:29,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 203 states, 150 states have (on average 1.6333333333333333) internal successors, (245), 198 states have internal predecessors, (245), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-19 10:30:29,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 203 states and 251 transitions. [2024-11-19 10:30:29,311 INFO L78 Accepts]: Start accepts. Automaton has 203 states and 251 transitions. Word has length 17 [2024-11-19 10:30:29,311 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:30:29,311 INFO L471 AbstractCegarLoop]: Abstraction has 203 states and 251 transitions. [2024-11-19 10:30:29,311 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:30:29,312 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 251 transitions. [2024-11-19 10:30:29,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-19 10:30:29,312 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:30:29,312 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:30:29,328 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-11-19 10:30:29,513 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,SelfDestructingSolverStorable10 [2024-11-19 10:30:29,513 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2024-11-19 10:30:29,514 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:30:29,514 INFO L85 PathProgramCache]: Analyzing trace with hash 1509841557, now seen corresponding path program 1 times [2024-11-19 10:30:29,514 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:30:29,514 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [519851468] [2024-11-19 10:30:29,514 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:30:29,514 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:30:29,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-19 10:30:29,522 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [777487280] [2024-11-19 10:30:29,522 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:30:29,522 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:30:29,522 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:30:29,524 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 10:30:29,526 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-19 10:30:29,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:30:29,563 INFO L255 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-19 10:30:29,564 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:30:29,587 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 10:30:29,587 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 10:30:29,587 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:30:29,588 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [519851468] [2024-11-19 10:30:29,588 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-19 10:30:29,588 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [777487280] [2024-11-19 10:30:29,588 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [777487280] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:30:29,588 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:30:29,588 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 10:30:29,588 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2039311282] [2024-11-19 10:30:29,589 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:30:29,589 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 10:30:29,589 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:30:29,590 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 10:30:29,590 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 10:30:29,590 INFO L87 Difference]: Start difference. First operand 203 states and 251 transitions. Second operand has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:30:29,751 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:30:29,751 INFO L93 Difference]: Finished difference Result 274 states and 293 transitions. [2024-11-19 10:30:29,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-19 10:30:29,752 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2024-11-19 10:30:29,752 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:30:29,753 INFO L225 Difference]: With dead ends: 274 [2024-11-19 10:30:29,753 INFO L226 Difference]: Without dead ends: 272 [2024-11-19 10:30:29,754 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-19 10:30:29,754 INFO L432 NwaCegarLoop]: 83 mSDtfsCounter, 188 mSDsluCounter, 180 mSDsCounter, 0 mSdLazyCounter, 113 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 188 SdHoareTripleChecker+Valid, 263 SdHoareTripleChecker+Invalid, 117 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 113 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 10:30:29,754 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [188 Valid, 263 Invalid, 117 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 113 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 10:30:29,755 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 272 states. [2024-11-19 10:30:29,760 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 272 to 203. [2024-11-19 10:30:29,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 203 states, 150 states have (on average 1.6133333333333333) internal successors, (242), 198 states have internal predecessors, (242), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-19 10:30:29,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 203 states and 248 transitions. [2024-11-19 10:30:29,762 INFO L78 Accepts]: Start accepts. Automaton has 203 states and 248 transitions. Word has length 18 [2024-11-19 10:30:29,762 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:30:29,762 INFO L471 AbstractCegarLoop]: Abstraction has 203 states and 248 transitions. [2024-11-19 10:30:29,762 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:30:29,762 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 248 transitions. [2024-11-19 10:30:29,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-19 10:30:29,763 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:30:29,763 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:30:29,779 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-19 10:30:29,963 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:30:29,964 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2024-11-19 10:30:29,964 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:30:29,964 INFO L85 PathProgramCache]: Analyzing trace with hash -439551917, now seen corresponding path program 1 times [2024-11-19 10:30:29,965 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:30:29,965 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1901261665] [2024-11-19 10:30:29,965 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:30:29,965 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:30:29,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-19 10:30:29,978 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [492566798] [2024-11-19 10:30:29,978 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:30:29,978 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:30:29,979 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:30:29,980 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 10:30:29,985 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-19 10:30:30,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:30:30,024 INFO L255 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-19 10:30:30,024 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:30:30,118 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 10:30:30,119 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 10:30:30,119 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:30:30,119 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1901261665] [2024-11-19 10:30:30,121 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-19 10:30:30,121 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [492566798] [2024-11-19 10:30:30,121 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [492566798] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:30:30,121 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:30:30,121 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-19 10:30:30,122 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1778865929] [2024-11-19 10:30:30,122 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:30:30,122 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-19 10:30:30,122 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:30:30,122 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-19 10:30:30,122 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-19 10:30:30,123 INFO L87 Difference]: Start difference. First operand 203 states and 248 transitions. Second operand has 5 states, 4 states have (on average 4.75) internal successors, (19), 5 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:30:30,453 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:30:30,453 INFO L93 Difference]: Finished difference Result 289 states and 337 transitions. [2024-11-19 10:30:30,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-19 10:30:30,457 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 4.75) internal successors, (19), 5 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2024-11-19 10:30:30,458 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:30:30,459 INFO L225 Difference]: With dead ends: 289 [2024-11-19 10:30:30,459 INFO L226 Difference]: Without dead ends: 287 [2024-11-19 10:30:30,459 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-19 10:30:30,459 INFO L432 NwaCegarLoop]: 74 mSDtfsCounter, 213 mSDsluCounter, 204 mSDsCounter, 0 mSdLazyCounter, 225 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 213 SdHoareTripleChecker+Valid, 278 SdHoareTripleChecker+Invalid, 233 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 225 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-19 10:30:30,460 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [213 Valid, 278 Invalid, 233 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 225 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-19 10:30:30,460 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 287 states. [2024-11-19 10:30:30,466 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 287 to 206. [2024-11-19 10:30:30,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 206 states, 153 states have (on average 1.5947712418300655) internal successors, (244), 201 states have internal predecessors, (244), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-19 10:30:30,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 206 states and 250 transitions. [2024-11-19 10:30:30,468 INFO L78 Accepts]: Start accepts. Automaton has 206 states and 250 transitions. Word has length 19 [2024-11-19 10:30:30,468 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:30:30,468 INFO L471 AbstractCegarLoop]: Abstraction has 206 states and 250 transitions. [2024-11-19 10:30:30,468 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 4.75) internal successors, (19), 5 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:30:30,469 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 250 transitions. [2024-11-19 10:30:30,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-19 10:30:30,469 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:30:30,469 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:30:30,485 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-19 10:30:30,673 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:30:30,674 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2024-11-19 10:30:30,674 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:30:30,674 INFO L85 PathProgramCache]: Analyzing trace with hash -741207465, now seen corresponding path program 1 times [2024-11-19 10:30:30,674 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:30:30,674 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [523749564] [2024-11-19 10:30:30,674 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:30:30,675 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:30:30,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-19 10:30:30,689 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1060181579] [2024-11-19 10:30:30,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:30:30,689 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:30:30,689 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:30:30,692 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 10:30:30,693 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-19 10:30:30,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:30:30,724 INFO L255 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-19 10:30:30,725 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:30:30,805 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 10:30:30,806 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 10:30:30,806 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:30:30,806 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [523749564] [2024-11-19 10:30:30,806 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-19 10:30:30,806 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1060181579] [2024-11-19 10:30:30,806 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1060181579] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:30:30,806 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:30:30,807 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-19 10:30:30,807 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1089249641] [2024-11-19 10:30:30,807 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:30:30,807 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-19 10:30:30,807 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:30:30,808 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-19 10:30:30,808 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-19 10:30:30,808 INFO L87 Difference]: Start difference. First operand 206 states and 250 transitions. Second operand has 5 states, 4 states have (on average 5.0) internal successors, (20), 5 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:30:31,095 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:30:31,095 INFO L93 Difference]: Finished difference Result 288 states and 335 transitions. [2024-11-19 10:30:31,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-19 10:30:31,096 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 5.0) internal successors, (20), 5 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 20 [2024-11-19 10:30:31,096 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:30:31,097 INFO L225 Difference]: With dead ends: 288 [2024-11-19 10:30:31,098 INFO L226 Difference]: Without dead ends: 286 [2024-11-19 10:30:31,098 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-19 10:30:31,099 INFO L432 NwaCegarLoop]: 76 mSDtfsCounter, 211 mSDsluCounter, 205 mSDsCounter, 0 mSdLazyCounter, 222 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 211 SdHoareTripleChecker+Valid, 281 SdHoareTripleChecker+Invalid, 230 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 222 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-19 10:30:31,099 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [211 Valid, 281 Invalid, 230 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 222 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-19 10:30:31,099 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 286 states. [2024-11-19 10:30:31,104 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 286 to 207. [2024-11-19 10:30:31,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 207 states, 154 states have (on average 1.5844155844155845) internal successors, (244), 202 states have internal predecessors, (244), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-19 10:30:31,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 207 states and 250 transitions. [2024-11-19 10:30:31,107 INFO L78 Accepts]: Start accepts. Automaton has 207 states and 250 transitions. Word has length 20 [2024-11-19 10:30:31,107 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:30:31,107 INFO L471 AbstractCegarLoop]: Abstraction has 207 states and 250 transitions. [2024-11-19 10:30:31,107 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 5.0) internal successors, (20), 5 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:30:31,107 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 250 transitions. [2024-11-19 10:30:31,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-19 10:30:31,108 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:30:31,108 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:30:31,125 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-11-19 10:30:31,308 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,SelfDestructingSolverStorable13 [2024-11-19 10:30:31,309 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2024-11-19 10:30:31,309 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:30:31,309 INFO L85 PathProgramCache]: Analyzing trace with hash -1502594859, now seen corresponding path program 1 times [2024-11-19 10:30:31,309 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:30:31,309 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [399751529] [2024-11-19 10:30:31,309 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:30:31,310 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:30:31,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-19 10:30:31,322 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [17518851] [2024-11-19 10:30:31,323 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:30:31,323 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:30:31,323 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:30:31,324 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 10:30:31,326 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-19 10:30:31,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:30:31,368 INFO L255 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-19 10:30:31,369 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:30:31,481 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 10:30:31,481 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 10:30:31,481 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:30:31,481 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [399751529] [2024-11-19 10:30:31,481 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-19 10:30:31,481 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [17518851] [2024-11-19 10:30:31,481 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [17518851] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:30:31,482 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:30:31,482 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-19 10:30:31,482 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1844086043] [2024-11-19 10:30:31,482 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:30:31,482 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-19 10:30:31,482 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:30:31,483 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-19 10:30:31,483 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-11-19 10:30:31,483 INFO L87 Difference]: Start difference. First operand 207 states and 250 transitions. Second operand has 6 states, 5 states have (on average 4.2) internal successors, (21), 6 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:30:31,782 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:30:31,783 INFO L93 Difference]: Finished difference Result 276 states and 333 transitions. [2024-11-19 10:30:31,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-19 10:30:31,783 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), 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 21 [2024-11-19 10:30:31,783 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:30:31,784 INFO L225 Difference]: With dead ends: 276 [2024-11-19 10:30:31,784 INFO L226 Difference]: Without dead ends: 274 [2024-11-19 10:30:31,785 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2024-11-19 10:30:31,785 INFO L432 NwaCegarLoop]: 61 mSDtfsCounter, 302 mSDsluCounter, 146 mSDsCounter, 0 mSdLazyCounter, 296 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 303 SdHoareTripleChecker+Valid, 207 SdHoareTripleChecker+Invalid, 304 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 296 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-19 10:30:31,785 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [303 Valid, 207 Invalid, 304 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 296 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-19 10:30:31,786 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 274 states. [2024-11-19 10:30:31,792 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 274 to 208. [2024-11-19 10:30:31,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 208 states, 155 states have (on average 1.5741935483870968) internal successors, (244), 203 states have internal predecessors, (244), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-19 10:30:31,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 208 states and 250 transitions. [2024-11-19 10:30:31,794 INFO L78 Accepts]: Start accepts. Automaton has 208 states and 250 transitions. Word has length 21 [2024-11-19 10:30:31,794 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:30:31,795 INFO L471 AbstractCegarLoop]: Abstraction has 208 states and 250 transitions. [2024-11-19 10:30:31,795 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), 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) [2024-11-19 10:30:31,795 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 250 transitions. [2024-11-19 10:30:31,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-19 10:30:31,795 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:30:31,795 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:30:31,813 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-11-19 10:30:31,996 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,SelfDestructingSolverStorable14 [2024-11-19 10:30:31,996 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2024-11-19 10:30:31,996 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:30:31,996 INFO L85 PathProgramCache]: Analyzing trace with hash 664199705, now seen corresponding path program 1 times [2024-11-19 10:30:31,997 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:30:31,997 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1653454847] [2024-11-19 10:30:31,997 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:30:31,997 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:30:32,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-19 10:30:32,005 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [948226342] [2024-11-19 10:30:32,005 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:30:32,005 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:30:32,005 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:30:32,007 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 10:30:32,011 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-19 10:30:32,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:30:32,048 INFO L255 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-19 10:30:32,049 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:30:32,165 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 10:30:32,166 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 10:30:32,166 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:30:32,166 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1653454847] [2024-11-19 10:30:32,166 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-19 10:30:32,166 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [948226342] [2024-11-19 10:30:32,166 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [948226342] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:30:32,167 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:30:32,167 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-19 10:30:32,167 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [133359845] [2024-11-19 10:30:32,170 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:30:32,170 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-19 10:30:32,170 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:30:32,171 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-19 10:30:32,171 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-11-19 10:30:32,171 INFO L87 Difference]: Start difference. First operand 208 states and 250 transitions. Second operand has 6 states, 5 states have (on average 4.4) internal successors, (22), 6 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:30:32,537 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:30:32,537 INFO L93 Difference]: Finished difference Result 276 states and 331 transitions. [2024-11-19 10:30:32,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-19 10:30:32,538 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 4.4) internal successors, (22), 6 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 22 [2024-11-19 10:30:32,538 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:30:32,539 INFO L225 Difference]: With dead ends: 276 [2024-11-19 10:30:32,539 INFO L226 Difference]: Without dead ends: 274 [2024-11-19 10:30:32,540 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2024-11-19 10:30:32,540 INFO L432 NwaCegarLoop]: 61 mSDtfsCounter, 279 mSDsluCounter, 151 mSDsCounter, 0 mSdLazyCounter, 318 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 280 SdHoareTripleChecker+Valid, 212 SdHoareTripleChecker+Invalid, 326 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 318 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-19 10:30:32,540 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [280 Valid, 212 Invalid, 326 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 318 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-19 10:30:32,541 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 274 states. [2024-11-19 10:30:32,546 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 274 to 209. [2024-11-19 10:30:32,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 209 states, 156 states have (on average 1.564102564102564) internal successors, (244), 204 states have internal predecessors, (244), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-19 10:30:32,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 209 states and 250 transitions. [2024-11-19 10:30:32,547 INFO L78 Accepts]: Start accepts. Automaton has 209 states and 250 transitions. Word has length 22 [2024-11-19 10:30:32,547 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:30:32,547 INFO L471 AbstractCegarLoop]: Abstraction has 209 states and 250 transitions. [2024-11-19 10:30:32,548 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 4.4) internal successors, (22), 6 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:30:32,548 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 250 transitions. [2024-11-19 10:30:32,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-19 10:30:32,548 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:30:32,548 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:30:32,564 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2024-11-19 10:30:32,752 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,SelfDestructingSolverStorable15 [2024-11-19 10:30:32,752 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2024-11-19 10:30:32,753 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:30:32,753 INFO L85 PathProgramCache]: Analyzing trace with hash 259158489, now seen corresponding path program 1 times [2024-11-19 10:30:32,753 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:30:32,753 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [148125474] [2024-11-19 10:30:32,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:30:32,753 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:30:32,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-19 10:30:32,762 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [625440941] [2024-11-19 10:30:32,762 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:30:32,762 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:30:32,763 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:30:32,764 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 10:30:32,766 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-11-19 10:30:32,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:30:32,799 INFO L255 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-19 10:30:32,800 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:30:32,971 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 10:30:32,972 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 10:30:32,972 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:30:32,972 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [148125474] [2024-11-19 10:30:32,972 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-19 10:30:32,972 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [625440941] [2024-11-19 10:30:32,972 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [625440941] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:30:32,973 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:30:32,973 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-19 10:30:32,973 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1261839636] [2024-11-19 10:30:32,973 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:30:32,973 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-19 10:30:32,974 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:30:32,974 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-19 10:30:32,974 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-11-19 10:30:32,974 INFO L87 Difference]: Start difference. First operand 209 states and 250 transitions. Second operand has 6 states, 5 states have (on average 5.0) internal successors, (25), 6 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:30:33,352 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:30:33,352 INFO L93 Difference]: Finished difference Result 268 states and 329 transitions. [2024-11-19 10:30:33,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-19 10:30:33,353 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 5.0) internal successors, (25), 6 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 25 [2024-11-19 10:30:33,353 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:30:33,355 INFO L225 Difference]: With dead ends: 268 [2024-11-19 10:30:33,355 INFO L226 Difference]: Without dead ends: 264 [2024-11-19 10:30:33,355 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2024-11-19 10:30:33,355 INFO L432 NwaCegarLoop]: 43 mSDtfsCounter, 254 mSDsluCounter, 99 mSDsCounter, 0 mSdLazyCounter, 353 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 255 SdHoareTripleChecker+Valid, 142 SdHoareTripleChecker+Invalid, 365 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 353 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-19 10:30:33,356 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [255 Valid, 142 Invalid, 365 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 353 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-19 10:30:33,356 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 264 states. [2024-11-19 10:30:33,362 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 264 to 210. [2024-11-19 10:30:33,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 210 states, 159 states have (on average 1.5345911949685536) internal successors, (244), 205 states have internal predecessors, (244), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-19 10:30:33,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 210 states and 250 transitions. [2024-11-19 10:30:33,363 INFO L78 Accepts]: Start accepts. Automaton has 210 states and 250 transitions. Word has length 25 [2024-11-19 10:30:33,364 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:30:33,364 INFO L471 AbstractCegarLoop]: Abstraction has 210 states and 250 transitions. [2024-11-19 10:30:33,364 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 5.0) internal successors, (25), 6 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:30:33,364 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 250 transitions. [2024-11-19 10:30:33,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-19 10:30:33,365 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:30:33,365 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:30:33,380 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2024-11-19 10:30:33,569 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,SelfDestructingSolverStorable16 [2024-11-19 10:30:33,570 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2024-11-19 10:30:33,570 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:30:33,570 INFO L85 PathProgramCache]: Analyzing trace with hash -556021347, now seen corresponding path program 1 times [2024-11-19 10:30:33,570 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:30:33,570 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [778239836] [2024-11-19 10:30:33,570 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:30:33,570 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:30:33,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-19 10:30:33,579 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1497648420] [2024-11-19 10:30:33,579 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:30:33,579 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:30:33,580 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:30:33,581 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 10:30:33,583 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-11-19 10:30:33,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:30:33,616 INFO L255 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-19 10:30:33,617 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:30:33,792 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 10:30:33,793 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 10:30:33,793 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:30:33,793 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [778239836] [2024-11-19 10:30:33,793 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-19 10:30:33,793 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1497648420] [2024-11-19 10:30:33,793 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1497648420] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:30:33,793 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:30:33,794 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-19 10:30:33,794 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1147606892] [2024-11-19 10:30:33,794 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:30:33,795 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-19 10:30:33,795 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:30:33,796 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-19 10:30:33,796 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-11-19 10:30:33,796 INFO L87 Difference]: Start difference. First operand 210 states and 250 transitions. Second operand has 6 states, 5 states have (on average 5.2) internal successors, (26), 6 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:30:34,151 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:30:34,152 INFO L93 Difference]: Finished difference Result 266 states and 323 transitions. [2024-11-19 10:30:34,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-19 10:30:34,152 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 5.2) internal successors, (26), 6 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 26 [2024-11-19 10:30:34,153 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:30:34,154 INFO L225 Difference]: With dead ends: 266 [2024-11-19 10:30:34,154 INFO L226 Difference]: Without dead ends: 262 [2024-11-19 10:30:34,154 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2024-11-19 10:30:34,154 INFO L432 NwaCegarLoop]: 43 mSDtfsCounter, 253 mSDsluCounter, 99 mSDsCounter, 0 mSdLazyCounter, 345 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 254 SdHoareTripleChecker+Valid, 142 SdHoareTripleChecker+Invalid, 357 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 345 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-19 10:30:34,155 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [254 Valid, 142 Invalid, 357 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 345 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-19 10:30:34,155 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 262 states. [2024-11-19 10:30:34,160 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 262 to 209. [2024-11-19 10:30:34,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 209 states, 160 states have (on average 1.5125) internal successors, (242), 204 states have internal predecessors, (242), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-19 10:30:34,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 209 states and 248 transitions. [2024-11-19 10:30:34,161 INFO L78 Accepts]: Start accepts. Automaton has 209 states and 248 transitions. Word has length 26 [2024-11-19 10:30:34,161 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:30:34,161 INFO L471 AbstractCegarLoop]: Abstraction has 209 states and 248 transitions. [2024-11-19 10:30:34,162 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 5.2) internal successors, (26), 6 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:30:34,162 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 248 transitions. [2024-11-19 10:30:34,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-19 10:30:34,162 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:30:34,162 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:30:34,177 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2024-11-19 10:30:34,363 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-11-19 10:30:34,363 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2024-11-19 10:30:34,363 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:30:34,364 INFO L85 PathProgramCache]: Analyzing trace with hash -56792485, now seen corresponding path program 1 times [2024-11-19 10:30:34,364 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:30:34,364 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [465184066] [2024-11-19 10:30:34,364 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:30:34,364 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:30:34,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:30:34,417 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 10:30:34,418 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:30:34,418 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [465184066] [2024-11-19 10:30:34,418 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [465184066] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:30:34,418 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:30:34,418 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 10:30:34,418 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1102253377] [2024-11-19 10:30:34,419 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:30:34,419 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 10:30:34,419 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:30:34,419 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 10:30:34,419 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 10:30:34,420 INFO L87 Difference]: Start difference. First operand 209 states and 248 transitions. Second operand has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 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) [2024-11-19 10:30:34,609 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:30:34,609 INFO L93 Difference]: Finished difference Result 234 states and 279 transitions. [2024-11-19 10:30:34,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-19 10:30:34,610 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 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 27 [2024-11-19 10:30:34,610 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:30:34,611 INFO L225 Difference]: With dead ends: 234 [2024-11-19 10:30:34,611 INFO L226 Difference]: Without dead ends: 232 [2024-11-19 10:30:34,611 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-19 10:30:34,612 INFO L432 NwaCegarLoop]: 74 mSDtfsCounter, 92 mSDsluCounter, 79 mSDsCounter, 0 mSdLazyCounter, 187 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 93 SdHoareTripleChecker+Valid, 153 SdHoareTripleChecker+Invalid, 193 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 187 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-19 10:30:34,612 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [93 Valid, 153 Invalid, 193 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 187 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-19 10:30:34,613 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 232 states. [2024-11-19 10:30:34,618 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 232 to 210. [2024-11-19 10:30:34,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 210 states, 161 states have (on average 1.5031055900621118) internal successors, (242), 205 states have internal predecessors, (242), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-19 10:30:34,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 210 states and 248 transitions. [2024-11-19 10:30:34,619 INFO L78 Accepts]: Start accepts. Automaton has 210 states and 248 transitions. Word has length 27 [2024-11-19 10:30:34,619 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:30:34,619 INFO L471 AbstractCegarLoop]: Abstraction has 210 states and 248 transitions. [2024-11-19 10:30:34,619 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 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) [2024-11-19 10:30:34,619 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 248 transitions. [2024-11-19 10:30:34,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-19 10:30:34,621 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:30:34,621 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-19 10:30:34,621 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-19 10:30:34,621 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2024-11-19 10:30:34,622 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:30:34,622 INFO L85 PathProgramCache]: Analyzing trace with hash -1760566945, now seen corresponding path program 1 times [2024-11-19 10:30:34,622 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:30:34,622 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [653845842] [2024-11-19 10:30:34,622 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:30:34,623 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:30:34,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:30:34,675 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 10:30:34,675 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:30:34,675 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [653845842] [2024-11-19 10:30:34,675 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [653845842] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:30:34,676 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:30:34,676 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 10:30:34,676 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1088395375] [2024-11-19 10:30:34,676 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:30:34,676 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 10:30:34,676 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:30:34,677 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 10:30:34,677 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 10:30:34,677 INFO L87 Difference]: Start difference. First operand 210 states and 248 transitions. Second operand has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:30:34,943 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:30:34,943 INFO L93 Difference]: Finished difference Result 228 states and 271 transitions. [2024-11-19 10:30:34,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 10:30:34,944 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 28 [2024-11-19 10:30:34,944 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:30:34,945 INFO L225 Difference]: With dead ends: 228 [2024-11-19 10:30:34,945 INFO L226 Difference]: Without dead ends: 226 [2024-11-19 10:30:34,945 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-19 10:30:34,946 INFO L432 NwaCegarLoop]: 76 mSDtfsCounter, 67 mSDsluCounter, 81 mSDsCounter, 0 mSdLazyCounter, 199 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 67 SdHoareTripleChecker+Valid, 157 SdHoareTripleChecker+Invalid, 203 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 199 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-19 10:30:34,947 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [67 Valid, 157 Invalid, 203 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 199 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-19 10:30:34,950 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 226 states. [2024-11-19 10:30:34,956 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 226 to 211. [2024-11-19 10:30:34,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 211 states, 162 states have (on average 1.4938271604938271) internal successors, (242), 206 states have internal predecessors, (242), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-19 10:30:34,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 211 states and 248 transitions. [2024-11-19 10:30:34,957 INFO L78 Accepts]: Start accepts. Automaton has 211 states and 248 transitions. Word has length 28 [2024-11-19 10:30:34,957 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:30:34,957 INFO L471 AbstractCegarLoop]: Abstraction has 211 states and 248 transitions. [2024-11-19 10:30:34,958 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:30:34,958 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 248 transitions. [2024-11-19 10:30:34,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-11-19 10:30:34,960 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:30:34,960 INFO L215 NwaCegarLoop]: trace histogram [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, 1, 1] [2024-11-19 10:30:34,960 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-19 10:30:34,961 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2024-11-19 10:30:34,961 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:30:34,961 INFO L85 PathProgramCache]: Analyzing trace with hash 494361908, now seen corresponding path program 1 times [2024-11-19 10:30:34,961 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:30:34,961 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1047024098] [2024-11-19 10:30:34,961 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:30:34,962 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:30:34,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:30:35,040 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 10:30:35,040 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:30:35,040 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1047024098] [2024-11-19 10:30:35,040 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1047024098] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:30:35,040 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:30:35,040 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 10:30:35,040 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [437104073] [2024-11-19 10:30:35,040 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:30:35,041 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 10:30:35,041 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:30:35,042 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 10:30:35,042 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 10:30:35,042 INFO L87 Difference]: Start difference. First operand 211 states and 248 transitions. Second operand has 4 states, 3 states have (on average 12.0) internal successors, (36), 4 states have internal predecessors, (36), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-19 10:30:35,261 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:30:35,262 INFO L93 Difference]: Finished difference Result 227 states and 269 transitions. [2024-11-19 10:30:35,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 10:30:35,262 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 12.0) internal successors, (36), 4 states have internal predecessors, (36), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 38 [2024-11-19 10:30:35,263 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:30:35,263 INFO L225 Difference]: With dead ends: 227 [2024-11-19 10:30:35,263 INFO L226 Difference]: Without dead ends: 226 [2024-11-19 10:30:35,264 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-19 10:30:35,264 INFO L432 NwaCegarLoop]: 54 mSDtfsCounter, 171 mSDsluCounter, 57 mSDsCounter, 0 mSdLazyCounter, 155 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 172 SdHoareTripleChecker+Valid, 111 SdHoareTripleChecker+Invalid, 156 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 155 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-19 10:30:35,264 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [172 Valid, 111 Invalid, 156 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 155 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-19 10:30:35,265 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 226 states. [2024-11-19 10:30:35,270 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 226 to 215. [2024-11-19 10:30:35,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 215 states, 166 states have (on average 1.4879518072289157) internal successors, (247), 210 states have internal predecessors, (247), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-19 10:30:35,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 215 states and 253 transitions. [2024-11-19 10:30:35,271 INFO L78 Accepts]: Start accepts. Automaton has 215 states and 253 transitions. Word has length 38 [2024-11-19 10:30:35,273 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:30:35,273 INFO L471 AbstractCegarLoop]: Abstraction has 215 states and 253 transitions. [2024-11-19 10:30:35,273 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 12.0) internal successors, (36), 4 states have internal predecessors, (36), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-19 10:30:35,273 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 253 transitions. [2024-11-19 10:30:35,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-19 10:30:35,274 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:30:35,274 INFO L215 NwaCegarLoop]: trace histogram [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, 1, 1, 1] [2024-11-19 10:30:35,274 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-11-19 10:30:35,274 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2024-11-19 10:30:35,275 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:30:35,275 INFO L85 PathProgramCache]: Analyzing trace with hash -1854649929, now seen corresponding path program 1 times [2024-11-19 10:30:35,275 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:30:35,275 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [776786570] [2024-11-19 10:30:35,275 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:30:35,275 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:30:35,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:30:35,321 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 10:30:35,321 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:30:35,321 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [776786570] [2024-11-19 10:30:35,322 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [776786570] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:30:35,322 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:30:35,322 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 10:30:35,322 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [639250275] [2024-11-19 10:30:35,322 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:30:35,322 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 10:30:35,323 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:30:35,323 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 10:30:35,323 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 10:30:35,323 INFO L87 Difference]: Start difference. First operand 215 states and 253 transitions. Second operand has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-19 10:30:35,412 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:30:35,412 INFO L93 Difference]: Finished difference Result 215 states and 253 transitions. [2024-11-19 10:30:35,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 10:30:35,412 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 39 [2024-11-19 10:30:35,413 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:30:35,413 INFO L225 Difference]: With dead ends: 215 [2024-11-19 10:30:35,414 INFO L226 Difference]: Without dead ends: 214 [2024-11-19 10:30:35,414 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-19 10:30:35,414 INFO L432 NwaCegarLoop]: 70 mSDtfsCounter, 67 mSDsluCounter, 71 mSDsCounter, 0 mSdLazyCounter, 113 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 67 SdHoareTripleChecker+Valid, 141 SdHoareTripleChecker+Invalid, 113 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 113 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 10:30:35,415 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [67 Valid, 141 Invalid, 113 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 113 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 10:30:35,415 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 214 states. [2024-11-19 10:30:35,419 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 214 to 214. [2024-11-19 10:30:35,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 214 states, 166 states have (on average 1.4759036144578312) internal successors, (245), 209 states have internal predecessors, (245), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-19 10:30:35,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 214 states and 251 transitions. [2024-11-19 10:30:35,421 INFO L78 Accepts]: Start accepts. Automaton has 214 states and 251 transitions. Word has length 39 [2024-11-19 10:30:35,421 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:30:35,421 INFO L471 AbstractCegarLoop]: Abstraction has 214 states and 251 transitions. [2024-11-19 10:30:35,421 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-19 10:30:35,421 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 251 transitions. [2024-11-19 10:30:35,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-19 10:30:35,422 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:30:35,422 INFO L215 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1] [2024-11-19 10:30:35,422 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-11-19 10:30:35,422 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2024-11-19 10:30:35,423 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:30:35,423 INFO L85 PathProgramCache]: Analyzing trace with hash -1363738282, now seen corresponding path program 1 times [2024-11-19 10:30:35,423 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:30:35,423 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1788686972] [2024-11-19 10:30:35,423 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:30:35,423 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:30:35,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:30:35,469 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 10:30:35,469 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:30:35,469 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1788686972] [2024-11-19 10:30:35,469 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1788686972] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:30:35,469 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:30:35,470 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 10:30:35,470 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [387629987] [2024-11-19 10:30:35,470 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:30:35,470 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 10:30:35,470 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:30:35,471 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 10:30:35,471 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 10:30:35,471 INFO L87 Difference]: Start difference. First operand 214 states and 251 transitions. Second operand has 4 states, 3 states have (on average 12.666666666666666) internal successors, (38), 4 states have internal predecessors, (38), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-19 10:30:35,625 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:30:35,626 INFO L93 Difference]: Finished difference Result 214 states and 251 transitions. [2024-11-19 10:30:35,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 10:30:35,626 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 12.666666666666666) internal successors, (38), 4 states have internal predecessors, (38), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 40 [2024-11-19 10:30:35,626 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:30:35,627 INFO L225 Difference]: With dead ends: 214 [2024-11-19 10:30:35,627 INFO L226 Difference]: Without dead ends: 213 [2024-11-19 10:30:35,627 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-19 10:30:35,628 INFO L432 NwaCegarLoop]: 56 mSDtfsCounter, 62 mSDsluCounter, 57 mSDsCounter, 0 mSdLazyCounter, 142 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 62 SdHoareTripleChecker+Valid, 113 SdHoareTripleChecker+Invalid, 142 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 142 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 10:30:35,628 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [62 Valid, 113 Invalid, 142 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 142 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 10:30:35,628 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 213 states. [2024-11-19 10:30:35,633 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 213 to 213. [2024-11-19 10:30:35,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 213 states, 166 states have (on average 1.4698795180722892) internal successors, (244), 208 states have internal predecessors, (244), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-19 10:30:35,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 213 states and 250 transitions. [2024-11-19 10:30:35,634 INFO L78 Accepts]: Start accepts. Automaton has 213 states and 250 transitions. Word has length 40 [2024-11-19 10:30:35,635 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:30:35,635 INFO L471 AbstractCegarLoop]: Abstraction has 213 states and 250 transitions. [2024-11-19 10:30:35,635 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 12.666666666666666) internal successors, (38), 4 states have internal predecessors, (38), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-19 10:30:35,635 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 250 transitions. [2024-11-19 10:30:35,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-11-19 10:30:35,636 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:30:35,636 INFO L215 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1] [2024-11-19 10:30:35,636 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-11-19 10:30:35,636 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2024-11-19 10:30:35,636 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:30:35,637 INFO L85 PathProgramCache]: Analyzing trace with hash 92850137, now seen corresponding path program 1 times [2024-11-19 10:30:35,637 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:30:35,637 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [774817644] [2024-11-19 10:30:35,637 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:30:35,637 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:30:35,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:30:35,691 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 10:30:35,692 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:30:35,692 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [774817644] [2024-11-19 10:30:35,692 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [774817644] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:30:35,692 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:30:35,692 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 10:30:35,692 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [244961908] [2024-11-19 10:30:35,693 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:30:35,693 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 10:30:35,693 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:30:35,693 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 10:30:35,694 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 10:30:35,694 INFO L87 Difference]: Start difference. First operand 213 states and 250 transitions. Second operand has 4 states, 3 states have (on average 13.0) internal successors, (39), 4 states have internal predecessors, (39), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-19 10:30:35,740 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:30:35,740 INFO L93 Difference]: Finished difference Result 233 states and 272 transitions. [2024-11-19 10:30:35,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 10:30:35,740 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 13.0) internal successors, (39), 4 states have internal predecessors, (39), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 41 [2024-11-19 10:30:35,741 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:30:35,742 INFO L225 Difference]: With dead ends: 233 [2024-11-19 10:30:35,742 INFO L226 Difference]: Without dead ends: 231 [2024-11-19 10:30:35,742 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 10:30:35,743 INFO L432 NwaCegarLoop]: 106 mSDtfsCounter, 17 mSDsluCounter, 201 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 307 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 10:30:35,743 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 307 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 10:30:35,744 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 231 states. [2024-11-19 10:30:35,749 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 231 to 228. [2024-11-19 10:30:35,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 228 states, 181 states have (on average 1.4475138121546962) internal successors, (262), 223 states have internal predecessors, (262), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-19 10:30:35,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 228 states and 268 transitions. [2024-11-19 10:30:35,751 INFO L78 Accepts]: Start accepts. Automaton has 228 states and 268 transitions. Word has length 41 [2024-11-19 10:30:35,751 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:30:35,751 INFO L471 AbstractCegarLoop]: Abstraction has 228 states and 268 transitions. [2024-11-19 10:30:35,751 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 13.0) internal successors, (39), 4 states have internal predecessors, (39), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-19 10:30:35,751 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 268 transitions. [2024-11-19 10:30:35,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-11-19 10:30:35,752 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:30:35,752 INFO L215 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1] [2024-11-19 10:30:35,752 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-11-19 10:30:35,753 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2024-11-19 10:30:35,753 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:30:35,753 INFO L85 PathProgramCache]: Analyzing trace with hash 673786339, now seen corresponding path program 1 times [2024-11-19 10:30:35,753 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:30:35,753 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1220687744] [2024-11-19 10:30:35,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:30:35,754 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:30:35,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:30:35,822 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 10:30:35,823 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:30:35,823 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1220687744] [2024-11-19 10:30:35,823 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1220687744] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:30:35,823 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:30:35,823 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-19 10:30:35,823 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [666612520] [2024-11-19 10:30:35,823 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:30:35,824 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-19 10:30:35,824 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:30:35,824 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-19 10:30:35,825 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-19 10:30:35,825 INFO L87 Difference]: Start difference. First operand 228 states and 268 transitions. Second operand has 5 states, 4 states have (on average 9.75) internal successors, (39), 5 states have internal predecessors, (39), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-19 10:30:36,027 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:30:36,027 INFO L93 Difference]: Finished difference Result 229 states and 268 transitions. [2024-11-19 10:30:36,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-19 10:30:36,027 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 9.75) internal successors, (39), 5 states have internal predecessors, (39), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 41 [2024-11-19 10:30:36,027 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:30:36,028 INFO L225 Difference]: With dead ends: 229 [2024-11-19 10:30:36,028 INFO L226 Difference]: Without dead ends: 228 [2024-11-19 10:30:36,028 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-19 10:30:36,029 INFO L432 NwaCegarLoop]: 60 mSDtfsCounter, 150 mSDsluCounter, 101 mSDsCounter, 0 mSdLazyCounter, 210 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 151 SdHoareTripleChecker+Valid, 161 SdHoareTripleChecker+Invalid, 211 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 210 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-19 10:30:36,029 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [151 Valid, 161 Invalid, 211 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 210 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-19 10:30:36,029 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 228 states. [2024-11-19 10:30:36,038 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 228 to 228. [2024-11-19 10:30:36,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 228 states, 181 states have (on average 1.441988950276243) internal successors, (261), 223 states have internal predecessors, (261), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-19 10:30:36,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 228 states and 267 transitions. [2024-11-19 10:30:36,040 INFO L78 Accepts]: Start accepts. Automaton has 228 states and 267 transitions. Word has length 41 [2024-11-19 10:30:36,040 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:30:36,040 INFO L471 AbstractCegarLoop]: Abstraction has 228 states and 267 transitions. [2024-11-19 10:30:36,040 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 9.75) internal successors, (39), 5 states have internal predecessors, (39), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-19 10:30:36,040 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 267 transitions. [2024-11-19 10:30:36,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-11-19 10:30:36,041 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:30:36,041 INFO L215 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1] [2024-11-19 10:30:36,041 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2024-11-19 10:30:36,041 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2024-11-19 10:30:36,041 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:30:36,041 INFO L85 PathProgramCache]: Analyzing trace with hash -587459848, now seen corresponding path program 1 times [2024-11-19 10:30:36,042 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:30:36,042 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1225867289] [2024-11-19 10:30:36,042 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:30:36,042 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:30:36,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:30:36,087 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 10:30:36,087 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:30:36,091 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1225867289] [2024-11-19 10:30:36,091 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1225867289] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:30:36,091 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:30:36,091 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 10:30:36,091 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [412282355] [2024-11-19 10:30:36,092 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:30:36,092 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 10:30:36,092 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:30:36,092 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 10:30:36,092 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 10:30:36,092 INFO L87 Difference]: Start difference. First operand 228 states and 267 transitions. Second operand has 4 states, 3 states have (on average 13.333333333333334) internal successors, (40), 4 states have internal predecessors, (40), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-19 10:30:36,190 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:30:36,190 INFO L93 Difference]: Finished difference Result 269 states and 281 transitions. [2024-11-19 10:30:36,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 10:30:36,191 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 13.333333333333334) internal successors, (40), 4 states have internal predecessors, (40), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 42 [2024-11-19 10:30:36,191 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:30:36,192 INFO L225 Difference]: With dead ends: 269 [2024-11-19 10:30:36,192 INFO L226 Difference]: Without dead ends: 267 [2024-11-19 10:30:36,192 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 10:30:36,193 INFO L432 NwaCegarLoop]: 105 mSDtfsCounter, 61 mSDsluCounter, 199 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 304 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 10:30:36,193 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [61 Valid, 304 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 10:30:36,194 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 267 states. [2024-11-19 10:30:36,199 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 267 to 236. [2024-11-19 10:30:36,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 236 states, 189 states have (on average 1.417989417989418) internal successors, (268), 231 states have internal predecessors, (268), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-19 10:30:36,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 236 states and 274 transitions. [2024-11-19 10:30:36,201 INFO L78 Accepts]: Start accepts. Automaton has 236 states and 274 transitions. Word has length 42 [2024-11-19 10:30:36,201 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:30:36,201 INFO L471 AbstractCegarLoop]: Abstraction has 236 states and 274 transitions. [2024-11-19 10:30:36,201 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 13.333333333333334) internal successors, (40), 4 states have internal predecessors, (40), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-19 10:30:36,201 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 274 transitions. [2024-11-19 10:30:36,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2024-11-19 10:30:36,202 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:30:36,202 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:30:36,202 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2024-11-19 10:30:36,202 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2024-11-19 10:30:36,203 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:30:36,203 INFO L85 PathProgramCache]: Analyzing trace with hash 33255109, now seen corresponding path program 1 times [2024-11-19 10:30:36,203 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:30:36,203 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1653902458] [2024-11-19 10:30:36,203 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:30:36,203 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:30:36,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:30:36,257 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 10:30:36,257 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:30:36,258 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1653902458] [2024-11-19 10:30:36,258 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1653902458] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:30:36,258 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [72488107] [2024-11-19 10:30:36,258 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:30:36,258 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:30:36,258 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:30:36,260 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 10:30:36,261 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-11-19 10:30:36,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:30:36,305 INFO L255 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-19 10:30:36,306 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:30:36,370 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 10:30:36,370 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:30:36,465 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 10:30:36,466 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [72488107] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 10:30:36,466 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 10:30:36,466 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4, 5] total 9 [2024-11-19 10:30:36,466 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1996203114] [2024-11-19 10:30:36,466 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 10:30:36,467 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-19 10:30:36,467 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:30:36,467 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-19 10:30:36,468 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2024-11-19 10:30:36,469 INFO L87 Difference]: Start difference. First operand 236 states and 274 transitions. Second operand has 10 states, 9 states have (on average 9.555555555555555) internal successors, (86), 10 states have internal predecessors, (86), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-19 10:30:36,584 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:30:36,585 INFO L93 Difference]: Finished difference Result 651 states and 771 transitions. [2024-11-19 10:30:36,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-19 10:30:36,589 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 9.555555555555555) internal successors, (86), 10 states have internal predecessors, (86), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 45 [2024-11-19 10:30:36,590 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:30:36,592 INFO L225 Difference]: With dead ends: 651 [2024-11-19 10:30:36,592 INFO L226 Difference]: Without dead ends: 588 [2024-11-19 10:30:36,592 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 85 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=99, Invalid=173, Unknown=0, NotChecked=0, Total=272 [2024-11-19 10:30:36,593 INFO L432 NwaCegarLoop]: 118 mSDtfsCounter, 340 mSDsluCounter, 660 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 340 SdHoareTripleChecker+Valid, 778 SdHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 10:30:36,593 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [340 Valid, 778 Invalid, 53 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 10:30:36,594 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 588 states. [2024-11-19 10:30:36,608 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 588 to 414. [2024-11-19 10:30:36,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 414 states, 360 states have (on average 1.4583333333333333) internal successors, (525), 402 states have internal predecessors, (525), 7 states have call successors, (7), 4 states have call predecessors, (7), 4 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-11-19 10:30:36,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 414 states to 414 states and 539 transitions. [2024-11-19 10:30:36,611 INFO L78 Accepts]: Start accepts. Automaton has 414 states and 539 transitions. Word has length 45 [2024-11-19 10:30:36,611 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:30:36,611 INFO L471 AbstractCegarLoop]: Abstraction has 414 states and 539 transitions. [2024-11-19 10:30:36,611 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 9.555555555555555) internal successors, (86), 10 states have internal predecessors, (86), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-19 10:30:36,611 INFO L276 IsEmpty]: Start isEmpty. Operand 414 states and 539 transitions. [2024-11-19 10:30:36,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-19 10:30:36,612 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:30:36,612 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:30:36,633 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2024-11-19 10:30:36,815 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,SelfDestructingSolverStorable26 [2024-11-19 10:30:36,816 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2024-11-19 10:30:36,816 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:30:36,816 INFO L85 PathProgramCache]: Analyzing trace with hash 1893390407, now seen corresponding path program 1 times [2024-11-19 10:30:36,817 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:30:36,817 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [592949098] [2024-11-19 10:30:36,817 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:30:36,817 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:30:36,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-19 10:30:36,829 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1977225161] [2024-11-19 10:30:36,829 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:30:36,829 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:30:36,830 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:30:36,831 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 10:30:36,833 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-11-19 10:30:36,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:30:36,877 INFO L255 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-19 10:30:36,878 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:30:37,017 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 10:30:37,017 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:30:37,334 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 10:30:37,334 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:30:37,334 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [592949098] [2024-11-19 10:30:37,334 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-19 10:30:37,334 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1977225161] [2024-11-19 10:30:37,334 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1977225161] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 10:30:37,334 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-19 10:30:37,334 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2024-11-19 10:30:37,334 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [610003439] [2024-11-19 10:30:37,334 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-19 10:30:37,335 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-19 10:30:37,335 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:30:37,335 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-19 10:30:37,335 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2024-11-19 10:30:37,336 INFO L87 Difference]: Start difference. First operand 414 states and 539 transitions. Second operand has 10 states, 9 states have (on average 9.555555555555555) internal successors, (86), 10 states have internal predecessors, (86), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-19 10:30:39,728 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:30:39,728 INFO L93 Difference]: Finished difference Result 442 states and 563 transitions. [2024-11-19 10:30:39,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-19 10:30:39,729 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 9.555555555555555) internal successors, (86), 10 states have internal predecessors, (86), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 47 [2024-11-19 10:30:39,729 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:30:39,731 INFO L225 Difference]: With dead ends: 442 [2024-11-19 10:30:39,731 INFO L226 Difference]: Without dead ends: 440 [2024-11-19 10:30:39,732 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 84 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=42, Invalid=90, Unknown=0, NotChecked=0, Total=132 [2024-11-19 10:30:39,732 INFO L432 NwaCegarLoop]: 79 mSDtfsCounter, 526 mSDsluCounter, 290 mSDsCounter, 0 mSdLazyCounter, 413 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 527 SdHoareTripleChecker+Valid, 369 SdHoareTripleChecker+Invalid, 423 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 413 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2024-11-19 10:30:39,732 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [527 Valid, 369 Invalid, 423 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 413 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2024-11-19 10:30:39,733 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 440 states. [2024-11-19 10:30:39,756 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 440 to 420. [2024-11-19 10:30:39,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 420 states, 366 states have (on average 1.4453551912568305) internal successors, (529), 408 states have internal predecessors, (529), 7 states have call successors, (7), 4 states have call predecessors, (7), 4 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-11-19 10:30:39,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 420 states to 420 states and 543 transitions. [2024-11-19 10:30:39,760 INFO L78 Accepts]: Start accepts. Automaton has 420 states and 543 transitions. Word has length 47 [2024-11-19 10:30:39,760 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:30:39,760 INFO L471 AbstractCegarLoop]: Abstraction has 420 states and 543 transitions. [2024-11-19 10:30:39,760 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 9.555555555555555) internal successors, (86), 10 states have internal predecessors, (86), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-19 10:30:39,761 INFO L276 IsEmpty]: Start isEmpty. Operand 420 states and 543 transitions. [2024-11-19 10:30:39,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-11-19 10:30:39,761 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:30:39,761 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:30:39,778 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2024-11-19 10:30:39,962 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:30:39,962 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2024-11-19 10:30:39,962 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:30:39,962 INFO L85 PathProgramCache]: Analyzing trace with hash -1434439469, now seen corresponding path program 1 times [2024-11-19 10:30:39,963 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:30:39,963 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [558319787] [2024-11-19 10:30:39,963 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:30:39,963 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:30:39,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-19 10:30:39,979 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1731513531] [2024-11-19 10:30:39,979 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:30:39,979 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:30:39,979 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:30:39,981 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 10:30:39,983 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-11-19 10:30:40,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:30:40,026 INFO L255 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-19 10:30:40,027 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:30:40,147 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 10:30:40,147 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:30:40,733 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 10:30:40,733 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:30:40,734 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [558319787] [2024-11-19 10:30:40,734 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-19 10:30:40,734 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1731513531] [2024-11-19 10:30:40,734 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1731513531] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 10:30:40,734 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-19 10:30:40,734 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2024-11-19 10:30:40,734 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2035185845] [2024-11-19 10:30:40,734 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-19 10:30:40,734 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-19 10:30:40,734 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:30:40,735 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-19 10:30:40,735 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2024-11-19 10:30:40,735 INFO L87 Difference]: Start difference. First operand 420 states and 543 transitions. Second operand has 10 states, 9 states have (on average 9.777777777777779) internal successors, (88), 10 states have internal predecessors, (88), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-19 10:30:43,335 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:30:43,336 INFO L93 Difference]: Finished difference Result 444 states and 559 transitions. [2024-11-19 10:30:43,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-19 10:30:43,336 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 9.777777777777779) internal successors, (88), 10 states have internal predecessors, (88), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 48 [2024-11-19 10:30:43,337 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:30:43,338 INFO L225 Difference]: With dead ends: 444 [2024-11-19 10:30:43,338 INFO L226 Difference]: Without dead ends: 442 [2024-11-19 10:30:43,338 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 86 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=42, Invalid=90, Unknown=0, NotChecked=0, Total=132 [2024-11-19 10:30:43,339 INFO L432 NwaCegarLoop]: 79 mSDtfsCounter, 551 mSDsluCounter, 220 mSDsCounter, 0 mSdLazyCounter, 346 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 552 SdHoareTripleChecker+Valid, 299 SdHoareTripleChecker+Invalid, 355 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 346 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2024-11-19 10:30:43,339 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [552 Valid, 299 Invalid, 355 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 346 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2024-11-19 10:30:43,340 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 442 states. [2024-11-19 10:30:43,355 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 442 to 422. [2024-11-19 10:30:43,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 422 states, 368 states have (on average 1.4320652173913044) internal successors, (527), 410 states have internal predecessors, (527), 7 states have call successors, (7), 4 states have call predecessors, (7), 4 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-11-19 10:30:43,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 422 states to 422 states and 541 transitions. [2024-11-19 10:30:43,359 INFO L78 Accepts]: Start accepts. Automaton has 422 states and 541 transitions. Word has length 48 [2024-11-19 10:30:43,359 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:30:43,359 INFO L471 AbstractCegarLoop]: Abstraction has 422 states and 541 transitions. [2024-11-19 10:30:43,359 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 9.777777777777779) internal successors, (88), 10 states have internal predecessors, (88), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-19 10:30:43,359 INFO L276 IsEmpty]: Start isEmpty. Operand 422 states and 541 transitions. [2024-11-19 10:30:43,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-11-19 10:30:43,360 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:30:43,360 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:30:43,377 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2024-11-19 10:30:43,560 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2024-11-19 10:30:43,561 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2024-11-19 10:30:43,561 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:30:43,561 INFO L85 PathProgramCache]: Analyzing trace with hash 1538433867, now seen corresponding path program 1 times [2024-11-19 10:30:43,561 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:30:43,561 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1870905687] [2024-11-19 10:30:43,561 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:30:43,562 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:30:43,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-19 10:30:43,577 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [207671274] [2024-11-19 10:30:43,578 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:30:43,578 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:30:43,578 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:30:43,583 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 10:30:43,585 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-11-19 10:30:43,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:30:43,629 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-19 10:30:43,630 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:30:43,776 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 10:30:43,776 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:30:44,185 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 10:30:44,186 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:30:44,186 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1870905687] [2024-11-19 10:30:44,186 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-19 10:30:44,186 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [207671274] [2024-11-19 10:30:44,186 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [207671274] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 10:30:44,186 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-19 10:30:44,186 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 11 [2024-11-19 10:30:44,187 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [649827156] [2024-11-19 10:30:44,187 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-19 10:30:44,187 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-19 10:30:44,187 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:30:44,188 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-19 10:30:44,188 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2024-11-19 10:30:44,188 INFO L87 Difference]: Start difference. First operand 422 states and 541 transitions. Second operand has 12 states, 11 states have (on average 8.545454545454545) internal successors, (94), 12 states have internal predecessors, (94), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-19 10:30:48,279 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:30:48,279 INFO L93 Difference]: Finished difference Result 516 states and 634 transitions. [2024-11-19 10:30:48,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-19 10:30:48,279 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 8.545454545454545) internal successors, (94), 12 states have internal predecessors, (94), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 51 [2024-11-19 10:30:48,280 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:30:48,281 INFO L225 Difference]: With dead ends: 516 [2024-11-19 10:30:48,281 INFO L226 Difference]: Without dead ends: 514 [2024-11-19 10:30:48,282 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 65 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=120, Invalid=300, Unknown=0, NotChecked=0, Total=420 [2024-11-19 10:30:48,282 INFO L432 NwaCegarLoop]: 55 mSDtfsCounter, 889 mSDsluCounter, 295 mSDsCounter, 0 mSdLazyCounter, 739 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 889 SdHoareTripleChecker+Valid, 350 SdHoareTripleChecker+Invalid, 761 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 739 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.8s IncrementalHoareTripleChecker+Time [2024-11-19 10:30:48,282 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [889 Valid, 350 Invalid, 761 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 739 Invalid, 0 Unknown, 0 Unchecked, 3.8s Time] [2024-11-19 10:30:48,283 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 514 states. [2024-11-19 10:30:48,297 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 514 to 432. [2024-11-19 10:30:48,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 432 states, 378 states have (on average 1.4153439153439153) internal successors, (535), 420 states have internal predecessors, (535), 7 states have call successors, (7), 4 states have call predecessors, (7), 4 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-11-19 10:30:48,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 432 states to 432 states and 549 transitions. [2024-11-19 10:30:48,299 INFO L78 Accepts]: Start accepts. Automaton has 432 states and 549 transitions. Word has length 51 [2024-11-19 10:30:48,299 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:30:48,300 INFO L471 AbstractCegarLoop]: Abstraction has 432 states and 549 transitions. [2024-11-19 10:30:48,300 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 8.545454545454545) internal successors, (94), 12 states have internal predecessors, (94), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-19 10:30:48,300 INFO L276 IsEmpty]: Start isEmpty. Operand 432 states and 549 transitions. [2024-11-19 10:30:48,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2024-11-19 10:30:48,300 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:30:48,300 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:30:48,317 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2024-11-19 10:30:48,504 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,17 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:30:48,505 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2024-11-19 10:30:48,505 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:30:48,506 INFO L85 PathProgramCache]: Analyzing trace with hash 446809687, now seen corresponding path program 1 times [2024-11-19 10:30:48,506 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:30:48,506 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1289653456] [2024-11-19 10:30:48,506 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:30:48,506 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:30:48,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-19 10:30:48,523 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1612108694] [2024-11-19 10:30:48,523 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:30:48,523 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:30:48,523 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:30:48,525 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 10:30:48,527 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2024-11-19 10:30:48,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:30:48,566 INFO L255 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-19 10:30:48,568 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:30:48,733 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 10:30:48,733 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:30:49,586 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 10:30:49,586 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:30:49,586 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1289653456] [2024-11-19 10:30:49,586 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-19 10:30:49,586 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1612108694] [2024-11-19 10:30:49,587 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1612108694] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 10:30:49,587 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-19 10:30:49,587 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 13 [2024-11-19 10:30:49,587 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [501537857] [2024-11-19 10:30:49,587 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-19 10:30:49,587 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-19 10:30:49,588 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:30:49,588 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-19 10:30:49,588 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=145, Unknown=0, NotChecked=0, Total=182 [2024-11-19 10:30:49,588 INFO L87 Difference]: Start difference. First operand 432 states and 549 transitions. Second operand has 14 states, 13 states have (on average 7.384615384615385) internal successors, (96), 14 states have internal predecessors, (96), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-19 10:30:53,906 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:30:53,906 INFO L93 Difference]: Finished difference Result 532 states and 666 transitions. [2024-11-19 10:30:53,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-11-19 10:30:53,907 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 7.384615384615385) internal successors, (96), 14 states have internal predecessors, (96), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 52 [2024-11-19 10:30:53,907 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:30:53,909 INFO L225 Difference]: With dead ends: 532 [2024-11-19 10:30:53,909 INFO L226 Difference]: Without dead ends: 530 [2024-11-19 10:30:53,910 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 181 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=254, Invalid=738, Unknown=0, NotChecked=0, Total=992 [2024-11-19 10:30:53,910 INFO L432 NwaCegarLoop]: 53 mSDtfsCounter, 756 mSDsluCounter, 234 mSDsCounter, 0 mSdLazyCounter, 719 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 756 SdHoareTripleChecker+Valid, 287 SdHoareTripleChecker+Invalid, 747 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 719 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2024-11-19 10:30:53,910 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [756 Valid, 287 Invalid, 747 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 719 Invalid, 0 Unknown, 0 Unchecked, 3.5s Time] [2024-11-19 10:30:53,911 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 530 states. [2024-11-19 10:30:53,925 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 530 to 466. [2024-11-19 10:30:53,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 466 states, 411 states have (on average 1.4184914841849148) internal successors, (583), 453 states have internal predecessors, (583), 8 states have call successors, (8), 4 states have call predecessors, (8), 4 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-19 10:30:53,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 466 states to 466 states and 599 transitions. [2024-11-19 10:30:53,927 INFO L78 Accepts]: Start accepts. Automaton has 466 states and 599 transitions. Word has length 52 [2024-11-19 10:30:53,927 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:30:53,927 INFO L471 AbstractCegarLoop]: Abstraction has 466 states and 599 transitions. [2024-11-19 10:30:53,927 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 7.384615384615385) internal successors, (96), 14 states have internal predecessors, (96), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-19 10:30:53,928 INFO L276 IsEmpty]: Start isEmpty. Operand 466 states and 599 transitions. [2024-11-19 10:30:53,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-19 10:30:53,928 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:30:53,928 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:30:53,945 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2024-11-19 10:30:54,132 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30,18 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:30:54,133 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2024-11-19 10:30:54,133 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:30:54,133 INFO L85 PathProgramCache]: Analyzing trace with hash -1048231145, now seen corresponding path program 1 times [2024-11-19 10:30:54,133 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:30:54,133 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1546040616] [2024-11-19 10:30:54,133 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:30:54,133 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:30:54,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-19 10:30:54,145 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2027630564] [2024-11-19 10:30:54,145 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:30:54,145 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:30:54,145 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:30:54,148 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 10:30:54,150 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2024-11-19 10:30:54,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:30:54,194 INFO L255 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-19 10:30:54,195 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:30:54,329 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 10:30:54,330 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:30:54,545 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:30:54,545 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1546040616] [2024-11-19 10:30:54,545 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-19 10:30:54,545 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2027630564] [2024-11-19 10:30:54,545 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2027630564] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:30:54,545 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-19 10:30:54,546 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2024-11-19 10:30:54,546 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [133530753] [2024-11-19 10:30:54,546 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-19 10:30:54,546 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-19 10:30:54,546 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:30:54,547 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-19 10:30:54,547 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2024-11-19 10:30:54,547 INFO L87 Difference]: Start difference. First operand 466 states and 599 transitions. Second operand has 6 states, 5 states have (on average 10.2) internal successors, (51), 6 states have internal predecessors, (51), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-19 10:30:54,959 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:30:54,959 INFO L93 Difference]: Finished difference Result 501 states and 623 transitions. [2024-11-19 10:30:54,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-19 10:30:54,960 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 10.2) internal successors, (51), 6 states have internal predecessors, (51), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 53 [2024-11-19 10:30:54,960 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:30:54,962 INFO L225 Difference]: With dead ends: 501 [2024-11-19 10:30:54,962 INFO L226 Difference]: Without dead ends: 497 [2024-11-19 10:30:54,962 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2024-11-19 10:30:54,962 INFO L432 NwaCegarLoop]: 153 mSDtfsCounter, 167 mSDsluCounter, 346 mSDsCounter, 0 mSdLazyCounter, 524 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 169 SdHoareTripleChecker+Valid, 499 SdHoareTripleChecker+Invalid, 528 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 524 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-19 10:30:54,962 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [169 Valid, 499 Invalid, 528 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 524 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-19 10:30:54,963 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 497 states. [2024-11-19 10:30:54,993 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 497 to 465. [2024-11-19 10:30:54,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 465 states, 413 states have (on average 1.3946731234866827) internal successors, (576), 452 states have internal predecessors, (576), 8 states have call successors, (8), 4 states have call predecessors, (8), 4 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-19 10:30:54,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 465 states to 465 states and 592 transitions. [2024-11-19 10:30:54,997 INFO L78 Accepts]: Start accepts. Automaton has 465 states and 592 transitions. Word has length 53 [2024-11-19 10:30:54,997 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:30:54,998 INFO L471 AbstractCegarLoop]: Abstraction has 465 states and 592 transitions. [2024-11-19 10:30:54,998 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 10.2) internal successors, (51), 6 states have internal predecessors, (51), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-19 10:30:54,998 INFO L276 IsEmpty]: Start isEmpty. Operand 465 states and 592 transitions. [2024-11-19 10:30:54,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2024-11-19 10:30:54,998 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:30:54,999 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:30:55,015 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Ended with exit code 0 [2024-11-19 10:30:55,199 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31,19 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:30:55,199 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2024-11-19 10:30:55,200 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:30:55,200 INFO L85 PathProgramCache]: Analyzing trace with hash 1864572935, now seen corresponding path program 1 times [2024-11-19 10:30:55,200 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:30:55,200 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2005978936] [2024-11-19 10:30:55,200 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:30:55,200 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:30:55,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-19 10:30:55,211 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1239669787] [2024-11-19 10:30:55,211 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:30:55,211 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:30:55,211 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:30:55,212 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 10:30:55,214 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2024-11-19 10:30:55,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:30:55,256 INFO L255 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-19 10:30:55,257 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:30:55,482 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 10:30:55,482 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:30:56,045 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:30:56,045 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2005978936] [2024-11-19 10:30:56,045 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-19 10:30:56,045 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1239669787] [2024-11-19 10:30:56,045 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1239669787] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:30:56,046 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-19 10:30:56,046 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2024-11-19 10:30:56,046 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [485656417] [2024-11-19 10:30:56,046 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-19 10:30:56,046 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-19 10:30:56,046 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:30:56,046 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-19 10:30:56,046 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2024-11-19 10:30:56,048 INFO L87 Difference]: Start difference. First operand 465 states and 592 transitions. Second operand has 7 states, 6 states have (on average 8.666666666666666) internal successors, (52), 7 states have internal predecessors, (52), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-19 10:30:56,257 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:30:56,257 INFO L93 Difference]: Finished difference Result 625 states and 782 transitions. [2024-11-19 10:30:56,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-19 10:30:56,258 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 8.666666666666666) internal successors, (52), 7 states have internal predecessors, (52), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 54 [2024-11-19 10:30:56,258 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:30:56,260 INFO L225 Difference]: With dead ends: 625 [2024-11-19 10:30:56,260 INFO L226 Difference]: Without dead ends: 623 [2024-11-19 10:30:56,260 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2024-11-19 10:30:56,260 INFO L432 NwaCegarLoop]: 86 mSDtfsCounter, 330 mSDsluCounter, 250 mSDsCounter, 0 mSdLazyCounter, 299 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 333 SdHoareTripleChecker+Valid, 336 SdHoareTripleChecker+Invalid, 302 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 299 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-19 10:30:56,261 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [333 Valid, 336 Invalid, 302 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 299 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-19 10:30:56,261 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 623 states. [2024-11-19 10:30:56,279 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 623 to 553. [2024-11-19 10:30:56,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 553 states, 499 states have (on average 1.4248496993987976) internal successors, (711), 538 states have internal predecessors, (711), 10 states have call successors, (10), 4 states have call predecessors, (10), 4 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-19 10:30:56,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 553 states to 553 states and 731 transitions. [2024-11-19 10:30:56,281 INFO L78 Accepts]: Start accepts. Automaton has 553 states and 731 transitions. Word has length 54 [2024-11-19 10:30:56,281 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:30:56,281 INFO L471 AbstractCegarLoop]: Abstraction has 553 states and 731 transitions. [2024-11-19 10:30:56,282 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 8.666666666666666) internal successors, (52), 7 states have internal predecessors, (52), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-19 10:30:56,282 INFO L276 IsEmpty]: Start isEmpty. Operand 553 states and 731 transitions. [2024-11-19 10:30:56,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-19 10:30:56,283 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:30:56,283 INFO L215 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:30:56,305 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Ended with exit code 0 [2024-11-19 10:30:56,484 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32,20 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:30:56,484 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr58ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2024-11-19 10:30:56,484 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:30:56,484 INFO L85 PathProgramCache]: Analyzing trace with hash 1825871214, now seen corresponding path program 1 times [2024-11-19 10:30:56,485 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:30:56,485 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [787072865] [2024-11-19 10:30:56,485 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:30:56,485 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:30:56,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:30:56,562 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 10:30:56,562 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:30:56,562 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [787072865] [2024-11-19 10:30:56,563 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [787072865] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:30:56,563 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:30:56,563 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 10:30:56,563 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [525041181] [2024-11-19 10:30:56,563 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:30:56,565 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 10:30:56,566 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:30:56,566 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 10:30:56,566 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 10:30:56,566 INFO L87 Difference]: Start difference. First operand 553 states and 731 transitions. Second operand has 4 states, 3 states have (on average 17.666666666666668) internal successors, (53), 4 states have internal predecessors, (53), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-19 10:30:56,760 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:30:56,760 INFO L93 Difference]: Finished difference Result 558 states and 736 transitions. [2024-11-19 10:30:56,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 10:30:56,760 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 17.666666666666668) internal successors, (53), 4 states have internal predecessors, (53), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 55 [2024-11-19 10:30:56,760 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:30:56,762 INFO L225 Difference]: With dead ends: 558 [2024-11-19 10:30:56,762 INFO L226 Difference]: Without dead ends: 557 [2024-11-19 10:30:56,762 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-19 10:30:56,762 INFO L432 NwaCegarLoop]: 70 mSDtfsCounter, 47 mSDsluCounter, 62 mSDsCounter, 0 mSdLazyCounter, 209 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 47 SdHoareTripleChecker+Valid, 132 SdHoareTripleChecker+Invalid, 211 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 209 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-19 10:30:56,762 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [47 Valid, 132 Invalid, 211 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 209 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-19 10:30:56,763 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 557 states. [2024-11-19 10:30:56,780 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 557 to 556. [2024-11-19 10:30:56,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 556 states, 502 states have (on average 1.4223107569721116) internal successors, (714), 541 states have internal predecessors, (714), 10 states have call successors, (10), 4 states have call predecessors, (10), 4 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-19 10:30:56,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 556 states to 556 states and 734 transitions. [2024-11-19 10:30:56,782 INFO L78 Accepts]: Start accepts. Automaton has 556 states and 734 transitions. Word has length 55 [2024-11-19 10:30:56,782 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:30:56,782 INFO L471 AbstractCegarLoop]: Abstraction has 556 states and 734 transitions. [2024-11-19 10:30:56,783 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 17.666666666666668) internal successors, (53), 4 states have internal predecessors, (53), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-19 10:30:56,783 INFO L276 IsEmpty]: Start isEmpty. Operand 556 states and 734 transitions. [2024-11-19 10:30:56,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-19 10:30:56,783 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:30:56,783 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:30:56,784 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2024-11-19 10:30:56,784 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2024-11-19 10:30:56,784 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:30:56,784 INFO L85 PathProgramCache]: Analyzing trace with hash 803802703, now seen corresponding path program 1 times [2024-11-19 10:30:56,784 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:30:56,784 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [301633718] [2024-11-19 10:30:56,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:30:56,785 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:30:56,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-19 10:30:56,794 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1450002485] [2024-11-19 10:30:56,794 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:30:56,794 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:30:56,794 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:30:56,796 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 10:30:56,800 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2024-11-19 10:30:56,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:30:56,835 INFO L255 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-19 10:30:56,836 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:30:56,894 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-19 10:30:56,894 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:30:56,960 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-19 10:30:56,960 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:30:56,960 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [301633718] [2024-11-19 10:30:56,960 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-19 10:30:56,960 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1450002485] [2024-11-19 10:30:56,960 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1450002485] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 10:30:56,960 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-19 10:30:56,961 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 5 [2024-11-19 10:30:56,961 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1463867985] [2024-11-19 10:30:56,961 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-19 10:30:56,961 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-19 10:30:56,961 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:30:56,962 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-19 10:30:56,962 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-19 10:30:56,962 INFO L87 Difference]: Start difference. First operand 556 states and 734 transitions. Second operand has 6 states, 5 states have (on average 10.2) internal successors, (51), 6 states have internal predecessors, (51), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-19 10:30:57,166 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:30:57,166 INFO L93 Difference]: Finished difference Result 626 states and 788 transitions. [2024-11-19 10:30:57,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-19 10:30:57,167 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 10.2) internal successors, (51), 6 states have internal predecessors, (51), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 55 [2024-11-19 10:30:57,167 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:30:57,169 INFO L225 Difference]: With dead ends: 626 [2024-11-19 10:30:57,169 INFO L226 Difference]: Without dead ends: 624 [2024-11-19 10:30:57,169 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 102 SyntacticMatches, 2 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-19 10:30:57,169 INFO L432 NwaCegarLoop]: 72 mSDtfsCounter, 281 mSDsluCounter, 202 mSDsCounter, 0 mSdLazyCounter, 203 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 282 SdHoareTripleChecker+Valid, 274 SdHoareTripleChecker+Invalid, 212 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 203 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-19 10:30:57,170 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [282 Valid, 274 Invalid, 212 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 203 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-19 10:30:57,170 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 624 states. [2024-11-19 10:30:57,186 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 624 to 557. [2024-11-19 10:30:57,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 557 states, 503 states have (on average 1.415506958250497) internal successors, (712), 542 states have internal predecessors, (712), 10 states have call successors, (10), 4 states have call predecessors, (10), 4 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-19 10:30:57,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 557 states to 557 states and 732 transitions. [2024-11-19 10:30:57,188 INFO L78 Accepts]: Start accepts. Automaton has 557 states and 732 transitions. Word has length 55 [2024-11-19 10:30:57,188 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:30:57,188 INFO L471 AbstractCegarLoop]: Abstraction has 557 states and 732 transitions. [2024-11-19 10:30:57,188 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 10.2) internal successors, (51), 6 states have internal predecessors, (51), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-19 10:30:57,188 INFO L276 IsEmpty]: Start isEmpty. Operand 557 states and 732 transitions. [2024-11-19 10:30:57,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2024-11-19 10:30:57,189 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:30:57,189 INFO L215 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:30:57,205 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Ended with exit code 0 [2024-11-19 10:30:57,393 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable34 [2024-11-19 10:30:57,394 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr59ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2024-11-19 10:30:57,394 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:30:57,394 INFO L85 PathProgramCache]: Analyzing trace with hash 767432964, now seen corresponding path program 1 times [2024-11-19 10:30:57,394 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:30:57,394 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [691918130] [2024-11-19 10:30:57,394 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:30:57,394 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:30:57,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:30:57,469 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 10:30:57,470 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:30:57,470 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [691918130] [2024-11-19 10:30:57,470 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [691918130] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:30:57,470 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:30:57,470 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 10:30:57,470 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [472117065] [2024-11-19 10:30:57,470 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:30:57,470 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 10:30:57,471 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:30:57,471 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 10:30:57,471 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 10:30:57,471 INFO L87 Difference]: Start difference. First operand 557 states and 732 transitions. Second operand has 4 states, 3 states have (on average 18.0) internal successors, (54), 4 states have internal predecessors, (54), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-19 10:30:57,777 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:30:57,778 INFO L93 Difference]: Finished difference Result 559 states and 733 transitions. [2024-11-19 10:30:57,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 10:30:57,778 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 18.0) internal successors, (54), 4 states have internal predecessors, (54), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 56 [2024-11-19 10:30:57,779 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:30:57,783 INFO L225 Difference]: With dead ends: 559 [2024-11-19 10:30:57,783 INFO L226 Difference]: Without dead ends: 536 [2024-11-19 10:30:57,783 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-19 10:30:57,783 INFO L432 NwaCegarLoop]: 73 mSDtfsCounter, 44 mSDsluCounter, 62 mSDsCounter, 0 mSdLazyCounter, 206 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 44 SdHoareTripleChecker+Valid, 135 SdHoareTripleChecker+Invalid, 208 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 206 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-19 10:30:57,784 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [44 Valid, 135 Invalid, 208 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 206 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-19 10:30:57,784 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 536 states. [2024-11-19 10:30:57,800 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 536 to 536. [2024-11-19 10:30:57,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 536 states, 482 states have (on average 1.4315352697095436) internal successors, (690), 521 states have internal predecessors, (690), 10 states have call successors, (10), 4 states have call predecessors, (10), 4 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-19 10:30:57,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 536 states to 536 states and 710 transitions. [2024-11-19 10:30:57,803 INFO L78 Accepts]: Start accepts. Automaton has 536 states and 710 transitions. Word has length 56 [2024-11-19 10:30:57,803 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:30:57,803 INFO L471 AbstractCegarLoop]: Abstraction has 536 states and 710 transitions. [2024-11-19 10:30:57,803 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 18.0) internal successors, (54), 4 states have internal predecessors, (54), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-19 10:30:57,803 INFO L276 IsEmpty]: Start isEmpty. Operand 536 states and 710 transitions. [2024-11-19 10:30:57,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2024-11-19 10:30:57,804 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:30:57,804 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:30:57,804 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2024-11-19 10:30:57,805 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2024-11-19 10:30:57,805 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:30:57,805 INFO L85 PathProgramCache]: Analyzing trace with hash -851919909, now seen corresponding path program 1 times [2024-11-19 10:30:57,805 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:30:57,805 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [76179705] [2024-11-19 10:30:57,806 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:30:57,806 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:30:57,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-19 10:30:57,823 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2070937603] [2024-11-19 10:30:57,823 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:30:57,823 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:30:57,823 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:30:57,826 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 10:30:57,827 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2024-11-19 10:30:57,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:30:57,868 INFO L255 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-19 10:30:57,869 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:30:57,932 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-19 10:30:57,933 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:30:57,997 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-19 10:30:57,997 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:30:57,997 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [76179705] [2024-11-19 10:30:57,998 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-19 10:30:57,998 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2070937603] [2024-11-19 10:30:57,998 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2070937603] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 10:30:57,998 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-19 10:30:57,998 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 5 [2024-11-19 10:30:57,998 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [724154932] [2024-11-19 10:30:57,998 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-19 10:30:57,999 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-19 10:30:57,999 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:30:57,999 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-19 10:30:57,999 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-19 10:30:57,999 INFO L87 Difference]: Start difference. First operand 536 states and 710 transitions. Second operand has 6 states, 5 states have (on average 10.4) internal successors, (52), 6 states have internal predecessors, (52), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-19 10:30:58,171 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:30:58,171 INFO L93 Difference]: Finished difference Result 603 states and 762 transitions. [2024-11-19 10:30:58,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-19 10:30:58,171 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 10.4) internal successors, (52), 6 states have internal predecessors, (52), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 56 [2024-11-19 10:30:58,171 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:30:58,173 INFO L225 Difference]: With dead ends: 603 [2024-11-19 10:30:58,173 INFO L226 Difference]: Without dead ends: 601 [2024-11-19 10:30:58,173 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 104 SyntacticMatches, 2 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-19 10:30:58,174 INFO L432 NwaCegarLoop]: 78 mSDtfsCounter, 275 mSDsluCounter, 163 mSDsCounter, 0 mSdLazyCounter, 188 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 276 SdHoareTripleChecker+Valid, 241 SdHoareTripleChecker+Invalid, 196 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 188 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 10:30:58,174 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [276 Valid, 241 Invalid, 196 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 188 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 10:30:58,175 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 601 states. [2024-11-19 10:30:58,192 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 601 to 537. [2024-11-19 10:30:58,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 537 states, 483 states have (on average 1.4244306418219461) internal successors, (688), 522 states have internal predecessors, (688), 10 states have call successors, (10), 4 states have call predecessors, (10), 4 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-19 10:30:58,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 537 states to 537 states and 708 transitions. [2024-11-19 10:30:58,194 INFO L78 Accepts]: Start accepts. Automaton has 537 states and 708 transitions. Word has length 56 [2024-11-19 10:30:58,194 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:30:58,194 INFO L471 AbstractCegarLoop]: Abstraction has 537 states and 708 transitions. [2024-11-19 10:30:58,194 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 10.4) internal successors, (52), 6 states have internal predecessors, (52), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-19 10:30:58,194 INFO L276 IsEmpty]: Start isEmpty. Operand 537 states and 708 transitions. [2024-11-19 10:30:58,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-19 10:30:58,194 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:30:58,194 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:30:58,211 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Ended with exit code 0 [2024-11-19 10:30:58,395 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable36 [2024-11-19 10:30:58,395 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2024-11-19 10:30:58,395 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:30:58,395 INFO L85 PathProgramCache]: Analyzing trace with hash -639713327, now seen corresponding path program 1 times [2024-11-19 10:30:58,396 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:30:58,396 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1614303187] [2024-11-19 10:30:58,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:30:58,396 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:30:58,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-19 10:30:58,407 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1713878089] [2024-11-19 10:30:58,407 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:30:58,407 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:30:58,407 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:30:58,409 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 10:30:58,410 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2024-11-19 10:30:58,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:30:58,454 INFO L255 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-19 10:30:58,455 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:30:58,791 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 10:30:58,792 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:30:59,341 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 10:30:59,341 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:30:59,341 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1614303187] [2024-11-19 10:30:59,341 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-19 10:30:59,341 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1713878089] [2024-11-19 10:30:59,341 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1713878089] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 10:30:59,341 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-19 10:30:59,342 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 13 [2024-11-19 10:30:59,342 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [434469514] [2024-11-19 10:30:59,342 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-19 10:30:59,342 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-19 10:30:59,342 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:30:59,342 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-19 10:30:59,343 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=143, Unknown=0, NotChecked=0, Total=182 [2024-11-19 10:30:59,343 INFO L87 Difference]: Start difference. First operand 537 states and 708 transitions. Second operand has 14 states, 13 states have (on average 8.153846153846153) internal successors, (106), 14 states have internal predecessors, (106), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-19 10:31:05,198 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:31:05,198 INFO L93 Difference]: Finished difference Result 612 states and 786 transitions. [2024-11-19 10:31:05,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-19 10:31:05,198 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 8.153846153846153) internal successors, (106), 14 states have internal predecessors, (106), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 57 [2024-11-19 10:31:05,199 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:31:05,200 INFO L225 Difference]: With dead ends: 612 [2024-11-19 10:31:05,200 INFO L226 Difference]: Without dead ends: 608 [2024-11-19 10:31:05,201 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 127 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 149 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=215, Invalid=597, Unknown=0, NotChecked=0, Total=812 [2024-11-19 10:31:05,201 INFO L432 NwaCegarLoop]: 41 mSDtfsCounter, 786 mSDsluCounter, 238 mSDsCounter, 0 mSdLazyCounter, 911 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 786 SdHoareTripleChecker+Valid, 279 SdHoareTripleChecker+Invalid, 943 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 911 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.9s IncrementalHoareTripleChecker+Time [2024-11-19 10:31:05,201 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [786 Valid, 279 Invalid, 943 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 911 Invalid, 0 Unknown, 0 Unchecked, 4.9s Time] [2024-11-19 10:31:05,202 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 608 states. [2024-11-19 10:31:05,229 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 608 to 563. [2024-11-19 10:31:05,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 563 states, 509 states have (on average 1.3988212180746562) internal successors, (712), 548 states have internal predecessors, (712), 10 states have call successors, (10), 4 states have call predecessors, (10), 4 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-19 10:31:05,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 563 states to 563 states and 732 transitions. [2024-11-19 10:31:05,232 INFO L78 Accepts]: Start accepts. Automaton has 563 states and 732 transitions. Word has length 57 [2024-11-19 10:31:05,232 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:31:05,232 INFO L471 AbstractCegarLoop]: Abstraction has 563 states and 732 transitions. [2024-11-19 10:31:05,232 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 8.153846153846153) internal successors, (106), 14 states have internal predecessors, (106), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-19 10:31:05,232 INFO L276 IsEmpty]: Start isEmpty. Operand 563 states and 732 transitions. [2024-11-19 10:31:05,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-19 10:31:05,233 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:31:05,233 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:31:05,250 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Forceful destruction successful, exit code 0 [2024-11-19 10:31:05,437 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable37 [2024-11-19 10:31:05,438 INFO L396 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2024-11-19 10:31:05,438 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:31:05,438 INFO L85 PathProgramCache]: Analyzing trace with hash 680331035, now seen corresponding path program 1 times [2024-11-19 10:31:05,439 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:31:05,439 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1232160144] [2024-11-19 10:31:05,439 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:31:05,439 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:31:05,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-19 10:31:05,452 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [326930938] [2024-11-19 10:31:05,452 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:31:05,452 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:31:05,453 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:31:05,454 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 10:31:05,455 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2024-11-19 10:31:05,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:31:05,498 INFO L255 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-19 10:31:05,499 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:31:05,669 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 10:31:05,670 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:31:05,946 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 10:31:05,947 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:31:05,947 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1232160144] [2024-11-19 10:31:05,947 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-19 10:31:05,947 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [326930938] [2024-11-19 10:31:05,947 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [326930938] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 10:31:05,947 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-19 10:31:05,947 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6] total 12 [2024-11-19 10:31:05,947 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [8968821] [2024-11-19 10:31:05,947 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-19 10:31:05,947 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-19 10:31:05,948 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:31:05,948 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-19 10:31:05,948 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=115, Unknown=0, NotChecked=0, Total=156 [2024-11-19 10:31:05,948 INFO L87 Difference]: Start difference. First operand 563 states and 732 transitions. Second operand has 13 states, 12 states have (on average 8.833333333333334) internal successors, (106), 13 states have internal predecessors, (106), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-19 10:31:08,516 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:31:08,516 INFO L93 Difference]: Finished difference Result 757 states and 921 transitions. [2024-11-19 10:31:08,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-19 10:31:08,516 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 8.833333333333334) internal successors, (106), 13 states have internal predecessors, (106), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 57 [2024-11-19 10:31:08,517 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:31:08,518 INFO L225 Difference]: With dead ends: 757 [2024-11-19 10:31:08,518 INFO L226 Difference]: Without dead ends: 756 [2024-11-19 10:31:08,519 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 111 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=165, Invalid=435, Unknown=0, NotChecked=0, Total=600 [2024-11-19 10:31:08,519 INFO L432 NwaCegarLoop]: 93 mSDtfsCounter, 1238 mSDsluCounter, 381 mSDsCounter, 0 mSdLazyCounter, 688 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1238 SdHoareTripleChecker+Valid, 474 SdHoareTripleChecker+Invalid, 723 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 688 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2024-11-19 10:31:08,519 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1238 Valid, 474 Invalid, 723 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 688 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2024-11-19 10:31:08,519 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 756 states. [2024-11-19 10:31:08,541 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 756 to 617. [2024-11-19 10:31:08,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 617 states, 562 states have (on average 1.400355871886121) internal successors, (787), 601 states have internal predecessors, (787), 11 states have call successors, (11), 4 states have call predecessors, (11), 4 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-19 10:31:08,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 617 states to 617 states and 809 transitions. [2024-11-19 10:31:08,555 INFO L78 Accepts]: Start accepts. Automaton has 617 states and 809 transitions. Word has length 57 [2024-11-19 10:31:08,555 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:31:08,555 INFO L471 AbstractCegarLoop]: Abstraction has 617 states and 809 transitions. [2024-11-19 10:31:08,555 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 8.833333333333334) internal successors, (106), 13 states have internal predecessors, (106), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-19 10:31:08,556 INFO L276 IsEmpty]: Start isEmpty. Operand 617 states and 809 transitions. [2024-11-19 10:31:08,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2024-11-19 10:31:08,556 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:31:08,556 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:31:08,573 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Ended with exit code 0 [2024-11-19 10:31:08,756 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38,24 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:31:08,757 INFO L396 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2024-11-19 10:31:08,757 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:31:08,758 INFO L85 PathProgramCache]: Analyzing trace with hash 1643723421, now seen corresponding path program 1 times [2024-11-19 10:31:08,758 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:31:08,758 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1242943751] [2024-11-19 10:31:08,758 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:31:08,758 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:31:08,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:31:08,827 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 10:31:08,828 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:31:08,828 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1242943751] [2024-11-19 10:31:08,828 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1242943751] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:31:08,828 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1737863119] [2024-11-19 10:31:08,828 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:31:08,828 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:31:08,829 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:31:08,831 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 10:31:08,832 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2024-11-19 10:31:08,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:31:08,874 INFO L255 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-19 10:31:08,875 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:31:08,941 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 10:31:08,941 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:31:09,023 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 10:31:09,023 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1737863119] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 10:31:09,023 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 10:31:09,023 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4, 4] total 10 [2024-11-19 10:31:09,023 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1619491708] [2024-11-19 10:31:09,023 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 10:31:09,024 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-19 10:31:09,024 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:31:09,024 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-19 10:31:09,024 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2024-11-19 10:31:09,024 INFO L87 Difference]: Start difference. First operand 617 states and 809 transitions. Second operand has 11 states, 10 states have (on average 13.7) internal successors, (137), 11 states have internal predecessors, (137), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-19 10:31:09,389 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:31:09,389 INFO L93 Difference]: Finished difference Result 626 states and 821 transitions. [2024-11-19 10:31:09,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-19 10:31:09,389 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 13.7) internal successors, (137), 11 states have internal predecessors, (137), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Word has length 58 [2024-11-19 10:31:09,389 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:31:09,391 INFO L225 Difference]: With dead ends: 626 [2024-11-19 10:31:09,391 INFO L226 Difference]: Without dead ends: 624 [2024-11-19 10:31:09,391 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 110 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=75, Invalid=165, Unknown=0, NotChecked=0, Total=240 [2024-11-19 10:31:09,391 INFO L432 NwaCegarLoop]: 105 mSDtfsCounter, 271 mSDsluCounter, 195 mSDsCounter, 0 mSdLazyCounter, 332 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 272 SdHoareTripleChecker+Valid, 300 SdHoareTripleChecker+Invalid, 340 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 332 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-19 10:31:09,391 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [272 Valid, 300 Invalid, 340 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 332 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-19 10:31:09,392 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 624 states. [2024-11-19 10:31:09,411 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 624 to 615. [2024-11-19 10:31:09,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 615 states, 562 states have (on average 1.3772241992882561) internal successors, (774), 599 states have internal predecessors, (774), 11 states have call successors, (11), 4 states have call predecessors, (11), 4 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-19 10:31:09,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 615 states to 615 states and 796 transitions. [2024-11-19 10:31:09,414 INFO L78 Accepts]: Start accepts. Automaton has 615 states and 796 transitions. Word has length 58 [2024-11-19 10:31:09,415 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:31:09,415 INFO L471 AbstractCegarLoop]: Abstraction has 615 states and 796 transitions. [2024-11-19 10:31:09,415 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 13.7) internal successors, (137), 11 states have internal predecessors, (137), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-19 10:31:09,415 INFO L276 IsEmpty]: Start isEmpty. Operand 615 states and 796 transitions. [2024-11-19 10:31:09,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2024-11-19 10:31:09,416 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:31:09,416 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:31:09,432 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Forceful destruction successful, exit code 0 [2024-11-19 10:31:09,616 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 25 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable39 [2024-11-19 10:31:09,617 INFO L396 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2024-11-19 10:31:09,617 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:31:09,617 INFO L85 PathProgramCache]: Analyzing trace with hash -384574325, now seen corresponding path program 1 times [2024-11-19 10:31:09,617 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:31:09,617 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1770730422] [2024-11-19 10:31:09,617 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:31:09,618 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:31:09,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-19 10:31:09,627 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [114426438] [2024-11-19 10:31:09,627 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:31:09,627 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:31:09,627 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:31:09,629 INFO L229 MonitoredProcess]: Starting monitored process 26 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 10:31:09,630 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process [2024-11-19 10:31:09,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:31:09,674 INFO L255 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-19 10:31:09,675 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:31:09,809 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 10:31:09,810 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:31:10,457 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 10:31:10,458 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:31:10,458 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1770730422] [2024-11-19 10:31:10,458 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-19 10:31:10,458 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [114426438] [2024-11-19 10:31:10,458 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [114426438] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 10:31:10,458 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-19 10:31:10,458 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6] total 12 [2024-11-19 10:31:10,458 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [8425871] [2024-11-19 10:31:10,458 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-19 10:31:10,459 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-19 10:31:10,459 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:31:10,459 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-19 10:31:10,459 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=115, Unknown=0, NotChecked=0, Total=156 [2024-11-19 10:31:10,459 INFO L87 Difference]: Start difference. First operand 615 states and 796 transitions. Second operand has 13 states, 12 states have (on average 9.0) internal successors, (108), 13 states have internal predecessors, (108), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-19 10:31:13,198 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:31:13,198 INFO L93 Difference]: Finished difference Result 751 states and 900 transitions. [2024-11-19 10:31:13,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-19 10:31:13,198 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 9.0) internal successors, (108), 13 states have internal predecessors, (108), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 58 [2024-11-19 10:31:13,198 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:31:13,200 INFO L225 Difference]: With dead ends: 751 [2024-11-19 10:31:13,200 INFO L226 Difference]: Without dead ends: 749 [2024-11-19 10:31:13,200 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 126 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 111 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=165, Invalid=435, Unknown=0, NotChecked=0, Total=600 [2024-11-19 10:31:13,201 INFO L432 NwaCegarLoop]: 96 mSDtfsCounter, 892 mSDsluCounter, 492 mSDsCounter, 0 mSdLazyCounter, 774 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 892 SdHoareTripleChecker+Valid, 588 SdHoareTripleChecker+Invalid, 805 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 774 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2024-11-19 10:31:13,201 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [892 Valid, 588 Invalid, 805 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 774 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2024-11-19 10:31:13,201 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 749 states. [2024-11-19 10:31:13,218 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 749 to 615. [2024-11-19 10:31:13,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 615 states, 562 states have (on average 1.3629893238434163) internal successors, (766), 599 states have internal predecessors, (766), 11 states have call successors, (11), 4 states have call predecessors, (11), 4 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-19 10:31:13,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 615 states to 615 states and 788 transitions. [2024-11-19 10:31:13,220 INFO L78 Accepts]: Start accepts. Automaton has 615 states and 788 transitions. Word has length 58 [2024-11-19 10:31:13,220 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:31:13,220 INFO L471 AbstractCegarLoop]: Abstraction has 615 states and 788 transitions. [2024-11-19 10:31:13,220 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 9.0) internal successors, (108), 13 states have internal predecessors, (108), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-19 10:31:13,221 INFO L276 IsEmpty]: Start isEmpty. Operand 615 states and 788 transitions. [2024-11-19 10:31:13,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2024-11-19 10:31:13,221 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:31:13,221 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:31:13,238 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Ended with exit code 0 [2024-11-19 10:31:13,422 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable40 [2024-11-19 10:31:13,422 INFO L396 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2024-11-19 10:31:13,422 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:31:13,423 INFO L85 PathProgramCache]: Analyzing trace with hash 963097885, now seen corresponding path program 1 times [2024-11-19 10:31:13,423 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:31:13,423 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2034813274] [2024-11-19 10:31:13,423 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:31:13,423 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:31:13,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-19 10:31:13,433 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [143457913] [2024-11-19 10:31:13,433 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:31:13,433 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:31:13,433 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:31:13,435 INFO L229 MonitoredProcess]: Starting monitored process 27 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 10:31:13,436 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Waiting until timeout for monitored process [2024-11-19 10:31:13,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:31:13,482 INFO L255 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-11-19 10:31:13,483 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:31:13,926 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 10:31:13,927 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:31:15,684 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 10:31:15,684 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:31:15,684 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2034813274] [2024-11-19 10:31:15,684 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-19 10:31:15,684 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [143457913] [2024-11-19 10:31:15,684 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [143457913] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 10:31:15,685 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-19 10:31:15,685 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 23 [2024-11-19 10:31:15,685 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [618023952] [2024-11-19 10:31:15,685 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-19 10:31:15,685 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-11-19 10:31:15,685 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:31:15,686 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-11-19 10:31:15,686 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=88, Invalid=464, Unknown=0, NotChecked=0, Total=552 [2024-11-19 10:31:15,686 INFO L87 Difference]: Start difference. First operand 615 states and 788 transitions. Second operand has 24 states, 23 states have (on average 4.608695652173913) internal successors, (106), 24 states have internal predecessors, (106), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-19 10:31:23,788 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:31:23,788 INFO L93 Difference]: Finished difference Result 707 states and 891 transitions. [2024-11-19 10:31:23,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-11-19 10:31:23,788 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 23 states have (on average 4.608695652173913) internal successors, (106), 24 states have internal predecessors, (106), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 59 [2024-11-19 10:31:23,789 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:31:23,790 INFO L225 Difference]: With dead ends: 707 [2024-11-19 10:31:23,790 INFO L226 Difference]: Without dead ends: 705 [2024-11-19 10:31:23,791 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 139 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 468 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=353, Invalid=1809, Unknown=0, NotChecked=0, Total=2162 [2024-11-19 10:31:23,791 INFO L432 NwaCegarLoop]: 69 mSDtfsCounter, 564 mSDsluCounter, 487 mSDsCounter, 0 mSdLazyCounter, 1967 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 565 SdHoareTripleChecker+Valid, 556 SdHoareTripleChecker+Invalid, 1991 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 1967 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.9s IncrementalHoareTripleChecker+Time [2024-11-19 10:31:23,791 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [565 Valid, 556 Invalid, 1991 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 1967 Invalid, 0 Unknown, 0 Unchecked, 6.9s Time] [2024-11-19 10:31:23,792 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 705 states. [2024-11-19 10:31:23,810 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 705 to 617. [2024-11-19 10:31:23,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 617 states, 564 states have (on average 1.3581560283687943) internal successors, (766), 601 states have internal predecessors, (766), 11 states have call successors, (11), 4 states have call predecessors, (11), 4 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-19 10:31:23,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 617 states to 617 states and 788 transitions. [2024-11-19 10:31:23,812 INFO L78 Accepts]: Start accepts. Automaton has 617 states and 788 transitions. Word has length 59 [2024-11-19 10:31:23,812 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:31:23,812 INFO L471 AbstractCegarLoop]: Abstraction has 617 states and 788 transitions. [2024-11-19 10:31:23,812 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 23 states have (on average 4.608695652173913) internal successors, (106), 24 states have internal predecessors, (106), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-19 10:31:23,812 INFO L276 IsEmpty]: Start isEmpty. Operand 617 states and 788 transitions. [2024-11-19 10:31:23,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2024-11-19 10:31:23,813 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:31:23,813 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:31:23,826 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Ended with exit code 0 [2024-11-19 10:31:24,013 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable41 [2024-11-19 10:31:24,014 INFO L396 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2024-11-19 10:31:24,014 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:31:24,014 INFO L85 PathProgramCache]: Analyzing trace with hash -208736563, now seen corresponding path program 1 times [2024-11-19 10:31:24,014 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:31:24,014 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [226676895] [2024-11-19 10:31:24,014 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:31:24,014 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:31:24,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-19 10:31:24,025 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2111355933] [2024-11-19 10:31:24,025 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:31:24,025 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:31:24,025 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:31:24,027 INFO L229 MonitoredProcess]: Starting monitored process 28 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 10:31:24,030 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Waiting until timeout for monitored process [2024-11-19 10:31:24,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:31:24,073 INFO L255 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-19 10:31:24,074 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:31:24,353 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 10:31:24,353 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:31:25,076 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 10:31:25,076 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:31:25,076 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [226676895] [2024-11-19 10:31:25,076 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-19 10:31:25,077 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2111355933] [2024-11-19 10:31:25,077 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2111355933] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 10:31:25,077 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-19 10:31:25,077 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 17 [2024-11-19 10:31:25,077 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1181325248] [2024-11-19 10:31:25,077 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-19 10:31:25,077 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-19 10:31:25,077 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:31:25,078 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-19 10:31:25,078 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=249, Unknown=0, NotChecked=0, Total=306 [2024-11-19 10:31:25,078 INFO L87 Difference]: Start difference. First operand 617 states and 788 transitions. Second operand has 18 states, 17 states have (on average 6.588235294117647) internal successors, (112), 18 states have internal predecessors, (112), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-19 10:31:37,550 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:31:37,551 INFO L93 Difference]: Finished difference Result 738 states and 938 transitions. [2024-11-19 10:31:37,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-11-19 10:31:37,551 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 6.588235294117647) internal successors, (112), 18 states have internal predecessors, (112), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 60 [2024-11-19 10:31:37,551 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:31:37,553 INFO L225 Difference]: With dead ends: 738 [2024-11-19 10:31:37,553 INFO L226 Difference]: Without dead ends: 733 [2024-11-19 10:31:37,553 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 145 GetRequests, 102 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 430 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=357, Invalid=1623, Unknown=0, NotChecked=0, Total=1980 [2024-11-19 10:31:37,554 INFO L432 NwaCegarLoop]: 51 mSDtfsCounter, 801 mSDsluCounter, 341 mSDsCounter, 0 mSdLazyCounter, 1513 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 801 SdHoareTripleChecker+Valid, 392 SdHoareTripleChecker+Invalid, 1538 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 1513 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.5s IncrementalHoareTripleChecker+Time [2024-11-19 10:31:37,554 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [801 Valid, 392 Invalid, 1538 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 1513 Invalid, 0 Unknown, 0 Unchecked, 10.5s Time] [2024-11-19 10:31:37,555 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 733 states. [2024-11-19 10:31:37,572 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 733 to 631. [2024-11-19 10:31:37,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 631 states, 578 states have (on average 1.3494809688581315) internal successors, (780), 615 states have internal predecessors, (780), 11 states have call successors, (11), 4 states have call predecessors, (11), 4 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-19 10:31:37,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 631 states to 631 states and 802 transitions. [2024-11-19 10:31:37,574 INFO L78 Accepts]: Start accepts. Automaton has 631 states and 802 transitions. Word has length 60 [2024-11-19 10:31:37,575 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:31:37,575 INFO L471 AbstractCegarLoop]: Abstraction has 631 states and 802 transitions. [2024-11-19 10:31:37,575 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 6.588235294117647) internal successors, (112), 18 states have internal predecessors, (112), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-19 10:31:37,575 INFO L276 IsEmpty]: Start isEmpty. Operand 631 states and 802 transitions. [2024-11-19 10:31:37,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2024-11-19 10:31:37,576 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:31:37,576 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:31:37,589 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Forceful destruction successful, exit code 0 [2024-11-19 10:31:37,776 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42,28 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:31:37,776 INFO L396 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2024-11-19 10:31:37,777 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:31:37,777 INFO L85 PathProgramCache]: Analyzing trace with hash 2119101215, now seen corresponding path program 1 times [2024-11-19 10:31:37,777 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:31:37,777 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [334166054] [2024-11-19 10:31:37,777 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:31:37,777 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:31:37,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-19 10:31:37,792 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [882321457] [2024-11-19 10:31:37,794 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:31:37,794 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:31:37,794 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:31:37,796 INFO L229 MonitoredProcess]: Starting monitored process 29 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 10:31:37,800 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Waiting until timeout for monitored process [2024-11-19 10:31:37,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:31:37,847 INFO L255 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-19 10:31:37,848 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:31:38,016 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 10:31:38,017 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:31:38,299 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 10:31:38,299 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:31:38,300 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [334166054] [2024-11-19 10:31:38,300 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-19 10:31:38,300 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [882321457] [2024-11-19 10:31:38,300 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [882321457] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 10:31:38,300 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-19 10:31:38,300 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 13 [2024-11-19 10:31:38,300 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1756724531] [2024-11-19 10:31:38,300 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-19 10:31:38,300 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-19 10:31:38,300 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:31:38,301 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-19 10:31:38,301 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2024-11-19 10:31:38,301 INFO L87 Difference]: Start difference. First operand 631 states and 802 transitions. Second operand has 14 states, 13 states have (on average 8.461538461538462) internal successors, (110), 14 states have internal predecessors, (110), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-19 10:31:39,902 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:31:39,902 INFO L93 Difference]: Finished difference Result 742 states and 941 transitions. [2024-11-19 10:31:39,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-11-19 10:31:39,902 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 8.461538461538462) internal successors, (110), 14 states have internal predecessors, (110), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 61 [2024-11-19 10:31:39,902 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:31:39,904 INFO L225 Difference]: With dead ends: 742 [2024-11-19 10:31:39,904 INFO L226 Difference]: Without dead ends: 740 [2024-11-19 10:31:39,905 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 136 GetRequests, 108 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 152 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=166, Invalid=704, Unknown=0, NotChecked=0, Total=870 [2024-11-19 10:31:39,905 INFO L432 NwaCegarLoop]: 103 mSDtfsCounter, 375 mSDsluCounter, 508 mSDsCounter, 0 mSdLazyCounter, 1182 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 376 SdHoareTripleChecker+Valid, 611 SdHoareTripleChecker+Invalid, 1203 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 1182 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-19 10:31:39,905 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [376 Valid, 611 Invalid, 1203 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 1182 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-19 10:31:39,906 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 740 states. [2024-11-19 10:31:39,924 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 740 to 642. [2024-11-19 10:31:39,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 642 states, 589 states have (on average 1.3531409168081494) internal successors, (797), 626 states have internal predecessors, (797), 11 states have call successors, (11), 4 states have call predecessors, (11), 4 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-19 10:31:39,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 642 states to 642 states and 819 transitions. [2024-11-19 10:31:39,926 INFO L78 Accepts]: Start accepts. Automaton has 642 states and 819 transitions. Word has length 61 [2024-11-19 10:31:39,926 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:31:39,926 INFO L471 AbstractCegarLoop]: Abstraction has 642 states and 819 transitions. [2024-11-19 10:31:39,927 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 8.461538461538462) internal successors, (110), 14 states have internal predecessors, (110), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-19 10:31:39,927 INFO L276 IsEmpty]: Start isEmpty. Operand 642 states and 819 transitions. [2024-11-19 10:31:39,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2024-11-19 10:31:39,927 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:31:39,927 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:31:39,940 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Ended with exit code 0 [2024-11-19 10:31:40,127 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43,29 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:31:40,128 INFO L396 AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2024-11-19 10:31:40,128 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:31:40,128 INFO L85 PathProgramCache]: Analyzing trace with hash -141148127, now seen corresponding path program 1 times [2024-11-19 10:31:40,128 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:31:40,128 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1399228118] [2024-11-19 10:31:40,128 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:31:40,129 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:31:40,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:31:40,181 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 10:31:40,181 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:31:40,181 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1399228118] [2024-11-19 10:31:40,181 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1399228118] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:31:40,181 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1521260289] [2024-11-19 10:31:40,181 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:31:40,182 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:31:40,182 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:31:40,184 INFO L229 MonitoredProcess]: Starting monitored process 30 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 10:31:40,186 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Waiting until timeout for monitored process [2024-11-19 10:31:40,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:31:40,225 INFO L255 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-19 10:31:40,226 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:31:40,311 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 10:31:40,311 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:31:40,476 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 14 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 10:31:40,477 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1521260289] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 10:31:40,477 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 10:31:40,477 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 8 [2024-11-19 10:31:40,477 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1707762857] [2024-11-19 10:31:40,478 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 10:31:40,478 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-19 10:31:40,478 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:31:40,478 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-19 10:31:40,479 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2024-11-19 10:31:40,479 INFO L87 Difference]: Start difference. First operand 642 states and 819 transitions. Second operand has 9 states, 8 states have (on average 14.875) internal successors, (119), 9 states have internal predecessors, (119), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-19 10:31:40,931 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:31:40,931 INFO L93 Difference]: Finished difference Result 851 states and 1113 transitions. [2024-11-19 10:31:40,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-19 10:31:40,932 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 14.875) internal successors, (119), 9 states have internal predecessors, (119), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 62 [2024-11-19 10:31:40,932 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:31:40,934 INFO L225 Difference]: With dead ends: 851 [2024-11-19 10:31:40,934 INFO L226 Difference]: Without dead ends: 849 [2024-11-19 10:31:40,934 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 131 GetRequests, 119 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=67, Invalid=115, Unknown=0, NotChecked=0, Total=182 [2024-11-19 10:31:40,935 INFO L432 NwaCegarLoop]: 87 mSDtfsCounter, 228 mSDsluCounter, 221 mSDsCounter, 0 mSdLazyCounter, 468 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 230 SdHoareTripleChecker+Valid, 308 SdHoareTripleChecker+Invalid, 479 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 468 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-19 10:31:40,935 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [230 Valid, 308 Invalid, 479 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 468 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-19 10:31:40,936 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 849 states. [2024-11-19 10:31:40,961 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 849 to 813. [2024-11-19 10:31:40,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 813 states, 757 states have (on average 1.3896961690885072) internal successors, (1052), 794 states have internal predecessors, (1052), 14 states have call successors, (14), 4 states have call predecessors, (14), 4 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-19 10:31:40,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 813 states to 813 states and 1080 transitions. [2024-11-19 10:31:40,963 INFO L78 Accepts]: Start accepts. Automaton has 813 states and 1080 transitions. Word has length 62 [2024-11-19 10:31:40,963 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:31:40,963 INFO L471 AbstractCegarLoop]: Abstraction has 813 states and 1080 transitions. [2024-11-19 10:31:40,963 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 14.875) internal successors, (119), 9 states have internal predecessors, (119), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-19 10:31:40,963 INFO L276 IsEmpty]: Start isEmpty. Operand 813 states and 1080 transitions. [2024-11-19 10:31:40,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-11-19 10:31:40,963 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:31:40,964 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:31:40,975 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Forceful destruction successful, exit code 0 [2024-11-19 10:31:41,164 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44,30 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:31:41,164 INFO L396 AbstractCegarLoop]: === Iteration 46 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2024-11-19 10:31:41,164 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:31:41,165 INFO L85 PathProgramCache]: Analyzing trace with hash -80624553, now seen corresponding path program 1 times [2024-11-19 10:31:41,165 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:31:41,165 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1927846396] [2024-11-19 10:31:41,165 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:31:41,165 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:31:41,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:31:41,212 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 10:31:41,212 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:31:41,213 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1927846396] [2024-11-19 10:31:41,213 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1927846396] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:31:41,213 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:31:41,213 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-19 10:31:41,214 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1398075596] [2024-11-19 10:31:41,214 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:31:41,214 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-19 10:31:41,214 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:31:41,215 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-19 10:31:41,215 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-19 10:31:41,215 INFO L87 Difference]: Start difference. First operand 813 states and 1080 transitions. Second operand has 5 states, 4 states have (on average 15.25) internal successors, (61), 5 states have internal predecessors, (61), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-19 10:31:41,562 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:31:41,562 INFO L93 Difference]: Finished difference Result 1102 states and 1495 transitions. [2024-11-19 10:31:41,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-19 10:31:41,563 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 15.25) internal successors, (61), 5 states have internal predecessors, (61), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 63 [2024-11-19 10:31:41,563 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:31:41,567 INFO L225 Difference]: With dead ends: 1102 [2024-11-19 10:31:41,567 INFO L226 Difference]: Without dead ends: 1100 [2024-11-19 10:31:41,567 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-19 10:31:41,568 INFO L432 NwaCegarLoop]: 116 mSDtfsCounter, 92 mSDsluCounter, 200 mSDsCounter, 0 mSdLazyCounter, 262 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 92 SdHoareTripleChecker+Valid, 316 SdHoareTripleChecker+Invalid, 268 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 262 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-19 10:31:41,568 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [92 Valid, 316 Invalid, 268 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 262 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-19 10:31:41,569 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1100 states. [2024-11-19 10:31:41,615 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1100 to 1024. [2024-11-19 10:31:41,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1024 states, 963 states have (on average 1.4278296988577361) internal successors, (1375), 1000 states have internal predecessors, (1375), 19 states have call successors, (19), 4 states have call predecessors, (19), 4 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-19 10:31:41,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1024 states to 1024 states and 1413 transitions. [2024-11-19 10:31:41,617 INFO L78 Accepts]: Start accepts. Automaton has 1024 states and 1413 transitions. Word has length 63 [2024-11-19 10:31:41,617 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:31:41,617 INFO L471 AbstractCegarLoop]: Abstraction has 1024 states and 1413 transitions. [2024-11-19 10:31:41,617 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 15.25) internal successors, (61), 5 states have internal predecessors, (61), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-19 10:31:41,618 INFO L276 IsEmpty]: Start isEmpty. Operand 1024 states and 1413 transitions. [2024-11-19 10:31:41,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-11-19 10:31:41,618 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:31:41,618 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:31:41,618 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45 [2024-11-19 10:31:41,619 INFO L396 AbstractCegarLoop]: === Iteration 47 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2024-11-19 10:31:41,619 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:31:41,619 INFO L85 PathProgramCache]: Analyzing trace with hash 1795606243, now seen corresponding path program 1 times [2024-11-19 10:31:41,619 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:31:41,619 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [30659950] [2024-11-19 10:31:41,619 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:31:41,620 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:31:41,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-19 10:31:41,631 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2000724399] [2024-11-19 10:31:41,631 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:31:41,631 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:31:41,632 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:31:41,633 INFO L229 MonitoredProcess]: Starting monitored process 31 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 10:31:41,634 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Waiting until timeout for monitored process [2024-11-19 10:31:41,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:31:41,680 INFO L255 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-19 10:31:41,681 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:31:41,951 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 10:31:41,951 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:31:42,219 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-19 10:31:42,220 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:31:42,220 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [30659950] [2024-11-19 10:31:42,220 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-19 10:31:42,220 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2000724399] [2024-11-19 10:31:42,220 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2000724399] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 10:31:42,220 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-19 10:31:42,220 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6] total 12 [2024-11-19 10:31:42,220 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [592960074] [2024-11-19 10:31:42,220 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-19 10:31:42,221 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-19 10:31:42,221 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:31:42,221 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-19 10:31:42,221 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2024-11-19 10:31:42,221 INFO L87 Difference]: Start difference. First operand 1024 states and 1413 transitions. Second operand has 13 states, 12 states have (on average 9.25) internal successors, (111), 13 states have internal predecessors, (111), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-19 10:31:44,978 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:31:44,979 INFO L93 Difference]: Finished difference Result 1054 states and 1444 transitions. [2024-11-19 10:31:44,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-19 10:31:44,979 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 9.25) internal successors, (111), 13 states have internal predecessors, (111), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 64 [2024-11-19 10:31:44,979 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:31:44,981 INFO L225 Difference]: With dead ends: 1054 [2024-11-19 10:31:44,981 INFO L226 Difference]: Without dead ends: 1028 [2024-11-19 10:31:44,982 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 136 GetRequests, 115 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=114, Invalid=392, Unknown=0, NotChecked=0, Total=506 [2024-11-19 10:31:44,982 INFO L432 NwaCegarLoop]: 47 mSDtfsCounter, 387 mSDsluCounter, 171 mSDsCounter, 0 mSdLazyCounter, 909 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 388 SdHoareTripleChecker+Valid, 218 SdHoareTripleChecker+Invalid, 935 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 909 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2024-11-19 10:31:44,982 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [388 Valid, 218 Invalid, 935 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 909 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2024-11-19 10:31:44,983 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1028 states. [2024-11-19 10:31:45,027 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1028 to 1009. [2024-11-19 10:31:45,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1009 states, 948 states have (on average 1.4303797468354431) internal successors, (1356), 985 states have internal predecessors, (1356), 19 states have call successors, (19), 4 states have call predecessors, (19), 4 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-19 10:31:45,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1009 states to 1009 states and 1394 transitions. [2024-11-19 10:31:45,029 INFO L78 Accepts]: Start accepts. Automaton has 1009 states and 1394 transitions. Word has length 64 [2024-11-19 10:31:45,029 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:31:45,029 INFO L471 AbstractCegarLoop]: Abstraction has 1009 states and 1394 transitions. [2024-11-19 10:31:45,029 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 9.25) internal successors, (111), 13 states have internal predecessors, (111), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-19 10:31:45,029 INFO L276 IsEmpty]: Start isEmpty. Operand 1009 states and 1394 transitions. [2024-11-19 10:31:45,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-11-19 10:31:45,029 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:31:45,029 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:31:45,041 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Forceful destruction successful, exit code 0 [2024-11-19 10:31:45,229 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 31 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable46 [2024-11-19 10:31:45,230 INFO L396 AbstractCegarLoop]: === Iteration 48 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2024-11-19 10:31:45,230 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:31:45,230 INFO L85 PathProgramCache]: Analyzing trace with hash -1732579549, now seen corresponding path program 1 times [2024-11-19 10:31:45,230 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:31:45,230 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1459907990] [2024-11-19 10:31:45,230 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:31:45,231 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:31:45,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:31:45,284 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 10:31:45,284 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:31:45,284 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1459907990] [2024-11-19 10:31:45,284 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1459907990] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:31:45,285 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [375228534] [2024-11-19 10:31:45,285 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:31:45,285 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:31:45,285 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:31:45,287 INFO L229 MonitoredProcess]: Starting monitored process 32 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 10:31:45,288 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Waiting until timeout for monitored process [2024-11-19 10:31:45,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:31:45,334 INFO L255 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-19 10:31:45,335 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:31:45,424 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 10:31:45,424 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:31:45,555 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 13 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 10:31:45,555 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [375228534] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 10:31:45,555 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 10:31:45,555 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 6 [2024-11-19 10:31:45,555 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [928264990] [2024-11-19 10:31:45,555 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 10:31:45,556 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-19 10:31:45,556 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:31:45,556 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-19 10:31:45,556 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2024-11-19 10:31:45,557 INFO L87 Difference]: Start difference. First operand 1009 states and 1394 transitions. Second operand has 7 states, 6 states have (on average 15.833333333333334) internal successors, (95), 7 states have internal predecessors, (95), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-19 10:31:46,018 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:31:46,018 INFO L93 Difference]: Finished difference Result 1047 states and 1418 transitions. [2024-11-19 10:31:46,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-19 10:31:46,018 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 15.833333333333334) internal successors, (95), 7 states have internal predecessors, (95), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 65 [2024-11-19 10:31:46,019 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:31:46,021 INFO L225 Difference]: With dead ends: 1047 [2024-11-19 10:31:46,021 INFO L226 Difference]: Without dead ends: 1045 [2024-11-19 10:31:46,021 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 137 GetRequests, 126 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=54, Invalid=78, Unknown=0, NotChecked=0, Total=132 [2024-11-19 10:31:46,021 INFO L432 NwaCegarLoop]: 121 mSDtfsCounter, 164 mSDsluCounter, 158 mSDsCounter, 0 mSdLazyCounter, 459 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 166 SdHoareTripleChecker+Valid, 279 SdHoareTripleChecker+Invalid, 467 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 459 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-19 10:31:46,022 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [166 Valid, 279 Invalid, 467 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 459 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-19 10:31:46,023 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1045 states. [2024-11-19 10:31:46,053 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1045 to 1013. [2024-11-19 10:31:46,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1013 states, 952 states have (on average 1.4170168067226891) internal successors, (1349), 989 states have internal predecessors, (1349), 19 states have call successors, (19), 4 states have call predecessors, (19), 4 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-19 10:31:46,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1013 states to 1013 states and 1387 transitions. [2024-11-19 10:31:46,054 INFO L78 Accepts]: Start accepts. Automaton has 1013 states and 1387 transitions. Word has length 65 [2024-11-19 10:31:46,055 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:31:46,055 INFO L471 AbstractCegarLoop]: Abstraction has 1013 states and 1387 transitions. [2024-11-19 10:31:46,055 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 15.833333333333334) internal successors, (95), 7 states have internal predecessors, (95), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-19 10:31:46,055 INFO L276 IsEmpty]: Start isEmpty. Operand 1013 states and 1387 transitions. [2024-11-19 10:31:46,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-11-19 10:31:46,055 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:31:46,055 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:31:46,072 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Ended with exit code 0 [2024-11-19 10:31:46,256 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 32 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable47 [2024-11-19 10:31:46,256 INFO L396 AbstractCegarLoop]: === Iteration 49 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2024-11-19 10:31:46,256 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:31:46,256 INFO L85 PathProgramCache]: Analyzing trace with hash 1438367013, now seen corresponding path program 1 times [2024-11-19 10:31:46,257 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:31:46,257 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [127636330] [2024-11-19 10:31:46,257 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:31:46,257 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:31:46,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-19 10:31:46,268 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2078869472] [2024-11-19 10:31:46,268 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:31:46,268 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:31:46,268 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:31:46,270 INFO L229 MonitoredProcess]: Starting monitored process 33 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 10:31:46,274 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Waiting until timeout for monitored process [2024-11-19 10:31:46,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:31:46,322 INFO L255 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-19 10:31:46,323 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:31:46,595 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 10:31:46,595 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:31:47,120 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-19 10:31:47,121 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:31:47,121 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [127636330] [2024-11-19 10:31:47,121 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-19 10:31:47,121 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2078869472] [2024-11-19 10:31:47,121 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2078869472] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 10:31:47,121 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-19 10:31:47,121 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7] total 14 [2024-11-19 10:31:47,121 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1044699754] [2024-11-19 10:31:47,121 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-19 10:31:47,121 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-19 10:31:47,122 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:31:47,122 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-19 10:31:47,122 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=176, Unknown=0, NotChecked=0, Total=210 [2024-11-19 10:31:47,122 INFO L87 Difference]: Start difference. First operand 1013 states and 1387 transitions. Second operand has 15 states, 14 states have (on average 8.357142857142858) internal successors, (117), 15 states have internal predecessors, (117), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-19 10:31:50,567 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:31:50,567 INFO L93 Difference]: Finished difference Result 1037 states and 1409 transitions. [2024-11-19 10:31:50,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-11-19 10:31:50,568 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 8.357142857142858) internal successors, (117), 15 states have internal predecessors, (117), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 67 [2024-11-19 10:31:50,568 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:31:50,570 INFO L225 Difference]: With dead ends: 1037 [2024-11-19 10:31:50,570 INFO L226 Difference]: Without dead ends: 1034 [2024-11-19 10:31:50,570 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 147 GetRequests, 119 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 115 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=151, Invalid=719, Unknown=0, NotChecked=0, Total=870 [2024-11-19 10:31:50,571 INFO L432 NwaCegarLoop]: 35 mSDtfsCounter, 290 mSDsluCounter, 213 mSDsCounter, 0 mSdLazyCounter, 1464 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 290 SdHoareTripleChecker+Valid, 248 SdHoareTripleChecker+Invalid, 1483 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 1464 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2024-11-19 10:31:50,571 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [290 Valid, 248 Invalid, 1483 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 1464 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2024-11-19 10:31:50,571 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1034 states. [2024-11-19 10:31:50,607 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1034 to 1018. [2024-11-19 10:31:50,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1018 states, 958 states have (on average 1.407098121085595) internal successors, (1348), 994 states have internal predecessors, (1348), 19 states have call successors, (19), 4 states have call predecessors, (19), 4 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-19 10:31:50,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1018 states to 1018 states and 1386 transitions. [2024-11-19 10:31:50,610 INFO L78 Accepts]: Start accepts. Automaton has 1018 states and 1386 transitions. Word has length 67 [2024-11-19 10:31:50,611 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:31:50,611 INFO L471 AbstractCegarLoop]: Abstraction has 1018 states and 1386 transitions. [2024-11-19 10:31:50,611 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 8.357142857142858) internal successors, (117), 15 states have internal predecessors, (117), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-19 10:31:50,611 INFO L276 IsEmpty]: Start isEmpty. Operand 1018 states and 1386 transitions. [2024-11-19 10:31:50,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2024-11-19 10:31:50,611 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:31:50,611 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:31:50,626 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Forceful destruction successful, exit code 0 [2024-11-19 10:31:50,812 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 33 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable48 [2024-11-19 10:31:50,812 INFO L396 AbstractCegarLoop]: === Iteration 50 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2024-11-19 10:31:50,813 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:31:50,813 INFO L85 PathProgramCache]: Analyzing trace with hash 1337994680, now seen corresponding path program 1 times [2024-11-19 10:31:50,813 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:31:50,813 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [860131303] [2024-11-19 10:31:50,813 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:31:50,813 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:31:50,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:31:50,869 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-19 10:31:50,869 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:31:50,870 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [860131303] [2024-11-19 10:31:50,870 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [860131303] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:31:50,870 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1204635307] [2024-11-19 10:31:50,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:31:50,870 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:31:50,870 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:31:50,872 INFO L229 MonitoredProcess]: Starting monitored process 34 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 10:31:50,873 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Waiting until timeout for monitored process [2024-11-19 10:31:50,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:31:50,914 INFO L255 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-19 10:31:50,915 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:31:51,089 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-19 10:31:51,089 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:31:51,195 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-19 10:31:51,195 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1204635307] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 10:31:51,195 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 10:31:51,195 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 10 [2024-11-19 10:31:51,195 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [869248715] [2024-11-19 10:31:51,195 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 10:31:51,196 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-19 10:31:51,196 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:31:51,196 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-19 10:31:51,196 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2024-11-19 10:31:51,197 INFO L87 Difference]: Start difference. First operand 1018 states and 1386 transitions. Second operand has 11 states, 10 states have (on average 19.3) internal successors, (193), 11 states have internal predecessors, (193), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-19 10:31:51,556 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:31:51,556 INFO L93 Difference]: Finished difference Result 1374 states and 1865 transitions. [2024-11-19 10:31:51,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-19 10:31:51,557 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 19.3) internal successors, (193), 11 states have internal predecessors, (193), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) Word has length 74 [2024-11-19 10:31:51,558 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:31:51,561 INFO L225 Difference]: With dead ends: 1374 [2024-11-19 10:31:51,561 INFO L226 Difference]: Without dead ends: 1373 [2024-11-19 10:31:51,562 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 157 GetRequests, 141 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=107, Invalid=199, Unknown=0, NotChecked=0, Total=306 [2024-11-19 10:31:51,562 INFO L432 NwaCegarLoop]: 69 mSDtfsCounter, 463 mSDsluCounter, 277 mSDsCounter, 0 mSdLazyCounter, 452 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 464 SdHoareTripleChecker+Valid, 346 SdHoareTripleChecker+Invalid, 470 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 452 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-19 10:31:51,562 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [464 Valid, 346 Invalid, 470 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 452 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-19 10:31:51,563 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1373 states. [2024-11-19 10:31:51,616 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1373 to 1223. [2024-11-19 10:31:51,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1223 states, 1157 states have (on average 1.4140017286084703) internal successors, (1636), 1193 states have internal predecessors, (1636), 25 states have call successors, (25), 4 states have call predecessors, (25), 4 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-19 10:31:51,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1223 states to 1223 states and 1686 transitions. [2024-11-19 10:31:51,618 INFO L78 Accepts]: Start accepts. Automaton has 1223 states and 1686 transitions. Word has length 74 [2024-11-19 10:31:51,618 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:31:51,618 INFO L471 AbstractCegarLoop]: Abstraction has 1223 states and 1686 transitions. [2024-11-19 10:31:51,618 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 19.3) internal successors, (193), 11 states have internal predecessors, (193), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-19 10:31:51,618 INFO L276 IsEmpty]: Start isEmpty. Operand 1223 states and 1686 transitions. [2024-11-19 10:31:51,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2024-11-19 10:31:51,619 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:31:51,619 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:31:51,631 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Ended with exit code 0 [2024-11-19 10:31:51,820 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 34 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable49 [2024-11-19 10:31:51,820 INFO L396 AbstractCegarLoop]: === Iteration 51 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2024-11-19 10:31:51,820 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:31:51,820 INFO L85 PathProgramCache]: Analyzing trace with hash -1391855403, now seen corresponding path program 1 times [2024-11-19 10:31:51,820 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:31:51,821 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [172443931] [2024-11-19 10:31:51,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:31:51,821 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:31:51,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:31:51,886 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-19 10:31:51,886 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:31:51,886 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [172443931] [2024-11-19 10:31:51,886 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [172443931] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:31:51,886 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [58140364] [2024-11-19 10:31:51,886 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:31:51,886 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:31:51,886 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:31:51,888 INFO L229 MonitoredProcess]: Starting monitored process 35 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 10:31:51,889 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Waiting until timeout for monitored process [2024-11-19 10:31:51,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:31:51,940 INFO L255 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-19 10:31:51,941 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:31:52,018 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-19 10:31:52,018 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 10:31:52,018 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [58140364] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:31:52,018 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-19 10:31:52,018 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2024-11-19 10:31:52,019 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [131538628] [2024-11-19 10:31:52,019 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:31:52,019 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-19 10:31:52,019 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:31:52,019 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-19 10:31:52,020 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-11-19 10:31:52,020 INFO L87 Difference]: Start difference. First operand 1223 states and 1686 transitions. Second operand has 6 states, 5 states have (on average 14.0) internal successors, (70), 6 states have internal predecessors, (70), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-19 10:31:52,115 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:31:52,115 INFO L93 Difference]: Finished difference Result 1223 states and 1686 transitions. [2024-11-19 10:31:52,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-19 10:31:52,116 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 14.0) internal successors, (70), 6 states have internal predecessors, (70), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 77 [2024-11-19 10:31:52,116 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:31:52,120 INFO L225 Difference]: With dead ends: 1223 [2024-11-19 10:31:52,120 INFO L226 Difference]: Without dead ends: 1222 [2024-11-19 10:31:52,120 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 75 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-11-19 10:31:52,121 INFO L432 NwaCegarLoop]: 128 mSDtfsCounter, 59 mSDsluCounter, 201 mSDsCounter, 0 mSdLazyCounter, 65 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 59 SdHoareTripleChecker+Valid, 329 SdHoareTripleChecker+Invalid, 65 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 65 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 10:31:52,121 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [59 Valid, 329 Invalid, 65 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 65 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 10:31:52,122 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1222 states. [2024-11-19 10:31:52,173 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1222 to 1222. [2024-11-19 10:31:52,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1222 states, 1157 states have (on average 1.3889369057908383) internal successors, (1607), 1192 states have internal predecessors, (1607), 25 states have call successors, (25), 4 states have call predecessors, (25), 4 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-19 10:31:52,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1222 states to 1222 states and 1657 transitions. [2024-11-19 10:31:52,175 INFO L78 Accepts]: Start accepts. Automaton has 1222 states and 1657 transitions. Word has length 77 [2024-11-19 10:31:52,176 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:31:52,176 INFO L471 AbstractCegarLoop]: Abstraction has 1222 states and 1657 transitions. [2024-11-19 10:31:52,176 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 14.0) internal successors, (70), 6 states have internal predecessors, (70), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-19 10:31:52,176 INFO L276 IsEmpty]: Start isEmpty. Operand 1222 states and 1657 transitions. [2024-11-19 10:31:52,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2024-11-19 10:31:52,176 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:31:52,177 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:31:52,188 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Ended with exit code 0 [2024-11-19 10:31:52,377 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50,35 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:31:52,377 INFO L396 AbstractCegarLoop]: === Iteration 52 === Targeting ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2024-11-19 10:31:52,377 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:31:52,377 INFO L85 PathProgramCache]: Analyzing trace with hash -810919201, now seen corresponding path program 1 times [2024-11-19 10:31:52,378 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:31:52,378 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [466542] [2024-11-19 10:31:52,378 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:31:52,378 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:31:52,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:31:52,436 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-19 10:31:52,436 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:31:52,436 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [466542] [2024-11-19 10:31:52,436 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [466542] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:31:52,436 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [384535423] [2024-11-19 10:31:52,437 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:31:52,437 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:31:52,437 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:31:52,439 INFO L229 MonitoredProcess]: Starting monitored process 36 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 10:31:52,441 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Waiting until timeout for monitored process [2024-11-19 10:31:52,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:31:52,488 INFO L255 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-19 10:31:52,489 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:31:52,653 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-19 10:31:52,653 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:31:52,790 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-19 10:31:52,790 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [384535423] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 10:31:52,790 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 10:31:52,790 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 9 [2024-11-19 10:31:52,790 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1009458841] [2024-11-19 10:31:52,790 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 10:31:52,790 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-19 10:31:52,790 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:31:52,791 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-19 10:31:52,791 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2024-11-19 10:31:52,791 INFO L87 Difference]: Start difference. First operand 1222 states and 1657 transitions. Second operand has 10 states, 9 states have (on average 18.88888888888889) internal successors, (170), 10 states have internal predecessors, (170), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-19 10:31:53,422 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:31:53,422 INFO L93 Difference]: Finished difference Result 1716 states and 2322 transitions. [2024-11-19 10:31:53,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-19 10:31:53,423 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 18.88888888888889) internal successors, (170), 10 states have internal predecessors, (170), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) Word has length 77 [2024-11-19 10:31:53,423 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:31:53,427 INFO L225 Difference]: With dead ends: 1716 [2024-11-19 10:31:53,427 INFO L226 Difference]: Without dead ends: 1715 [2024-11-19 10:31:53,428 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 163 GetRequests, 148 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=95, Invalid=177, Unknown=0, NotChecked=0, Total=272 [2024-11-19 10:31:53,428 INFO L432 NwaCegarLoop]: 111 mSDtfsCounter, 404 mSDsluCounter, 453 mSDsCounter, 0 mSdLazyCounter, 662 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 404 SdHoareTripleChecker+Valid, 564 SdHoareTripleChecker+Invalid, 677 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 662 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-19 10:31:53,428 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [404 Valid, 564 Invalid, 677 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 662 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-19 10:31:53,429 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1715 states. [2024-11-19 10:31:53,500 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1715 to 1480. [2024-11-19 10:31:53,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1480 states, 1407 states have (on average 1.4015636105188345) internal successors, (1972), 1442 states have internal predecessors, (1972), 33 states have call successors, (33), 4 states have call predecessors, (33), 4 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2024-11-19 10:31:53,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1480 states to 1480 states and 2038 transitions. [2024-11-19 10:31:53,502 INFO L78 Accepts]: Start accepts. Automaton has 1480 states and 2038 transitions. Word has length 77 [2024-11-19 10:31:53,502 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:31:53,502 INFO L471 AbstractCegarLoop]: Abstraction has 1480 states and 2038 transitions. [2024-11-19 10:31:53,502 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 18.88888888888889) internal successors, (170), 10 states have internal predecessors, (170), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-19 10:31:53,502 INFO L276 IsEmpty]: Start isEmpty. Operand 1480 states and 2038 transitions. [2024-11-19 10:31:53,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2024-11-19 10:31:53,503 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:31:53,503 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:31:53,514 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Forceful destruction successful, exit code 0 [2024-11-19 10:31:53,703 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable51,36 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:31:53,703 INFO L396 AbstractCegarLoop]: === Iteration 53 === Targeting ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2024-11-19 10:31:53,704 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:31:53,704 INFO L85 PathProgramCache]: Analyzing trace with hash -197844402, now seen corresponding path program 1 times [2024-11-19 10:31:53,704 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:31:53,704 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [909878493] [2024-11-19 10:31:53,704 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:31:53,704 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:31:53,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:31:53,762 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-19 10:31:53,762 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:31:53,762 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [909878493] [2024-11-19 10:31:53,763 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [909878493] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:31:53,763 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [908529844] [2024-11-19 10:31:53,763 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:31:53,763 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:31:53,763 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:31:53,765 INFO L229 MonitoredProcess]: Starting monitored process 37 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 10:31:53,766 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Waiting until timeout for monitored process [2024-11-19 10:31:53,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:31:53,814 INFO L255 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-19 10:31:53,815 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:31:53,880 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-19 10:31:53,880 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:31:53,957 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-19 10:31:53,958 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [908529844] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 10:31:53,958 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 10:31:53,958 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 11 [2024-11-19 10:31:53,958 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [899790296] [2024-11-19 10:31:53,958 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 10:31:53,958 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-19 10:31:53,958 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:31:53,959 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-19 10:31:53,959 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2024-11-19 10:31:53,959 INFO L87 Difference]: Start difference. First operand 1480 states and 2038 transitions. Second operand has 12 states, 11 states have (on average 15.090909090909092) internal successors, (166), 12 states have internal predecessors, (166), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-19 10:31:54,125 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:31:54,125 INFO L93 Difference]: Finished difference Result 1766 states and 2417 transitions. [2024-11-19 10:31:54,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-19 10:31:54,125 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 15.090909090909092) internal successors, (166), 12 states have internal predecessors, (166), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) Word has length 78 [2024-11-19 10:31:54,126 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:31:54,130 INFO L225 Difference]: With dead ends: 1766 [2024-11-19 10:31:54,130 INFO L226 Difference]: Without dead ends: 1765 [2024-11-19 10:31:54,131 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 159 GetRequests, 149 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2024-11-19 10:31:54,131 INFO L432 NwaCegarLoop]: 95 mSDtfsCounter, 86 mSDsluCounter, 448 mSDsCounter, 0 mSdLazyCounter, 135 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 86 SdHoareTripleChecker+Valid, 543 SdHoareTripleChecker+Invalid, 136 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 135 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 10:31:54,131 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [86 Valid, 543 Invalid, 136 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 135 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 10:31:54,133 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1765 states. [2024-11-19 10:31:54,227 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1765 to 1684. [2024-11-19 10:31:54,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1684 states, 1606 states have (on average 1.3872976338729763) internal successors, (2228), 1641 states have internal predecessors, (2228), 38 states have call successors, (38), 4 states have call predecessors, (38), 4 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) [2024-11-19 10:31:54,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1684 states to 1684 states and 2304 transitions. [2024-11-19 10:31:54,230 INFO L78 Accepts]: Start accepts. Automaton has 1684 states and 2304 transitions. Word has length 78 [2024-11-19 10:31:54,231 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:31:54,231 INFO L471 AbstractCegarLoop]: Abstraction has 1684 states and 2304 transitions. [2024-11-19 10:31:54,231 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 15.090909090909092) internal successors, (166), 12 states have internal predecessors, (166), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-19 10:31:54,231 INFO L276 IsEmpty]: Start isEmpty. Operand 1684 states and 2304 transitions. [2024-11-19 10:31:54,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2024-11-19 10:31:54,232 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:31:54,232 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:31:54,249 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Ended with exit code 0 [2024-11-19 10:31:54,432 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable52,37 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:31:54,432 INFO L396 AbstractCegarLoop]: === Iteration 54 === Targeting ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2024-11-19 10:31:54,433 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:31:54,433 INFO L85 PathProgramCache]: Analyzing trace with hash 1676792621, now seen corresponding path program 1 times [2024-11-19 10:31:54,433 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:31:54,433 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2023547267] [2024-11-19 10:31:54,433 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:31:54,433 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:31:54,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:31:54,526 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-19 10:31:54,526 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:31:54,526 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2023547267] [2024-11-19 10:31:54,526 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2023547267] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:31:54,526 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [815299571] [2024-11-19 10:31:54,526 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:31:54,527 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:31:54,527 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:31:54,528 INFO L229 MonitoredProcess]: Starting monitored process 38 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 10:31:54,530 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (38)] Waiting until timeout for monitored process [2024-11-19 10:31:54,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:31:54,577 INFO L255 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-19 10:31:54,578 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:31:54,914 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-19 10:31:54,915 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:31:55,173 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-19 10:31:55,173 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [815299571] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 10:31:55,173 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 10:31:55,173 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 7, 7] total 17 [2024-11-19 10:31:55,174 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1207572963] [2024-11-19 10:31:55,174 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 10:31:55,174 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-19 10:31:55,174 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:31:55,174 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-19 10:31:55,175 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=230, Unknown=0, NotChecked=0, Total=306 [2024-11-19 10:31:55,175 INFO L87 Difference]: Start difference. First operand 1684 states and 2304 transitions. Second operand has 18 states, 17 states have (on average 12.352941176470589) internal successors, (210), 18 states have internal predecessors, (210), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-19 10:31:56,056 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:31:56,056 INFO L93 Difference]: Finished difference Result 1787 states and 2411 transitions. [2024-11-19 10:31:56,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-19 10:31:56,057 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 12.352941176470589) internal successors, (210), 18 states have internal predecessors, (210), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) Word has length 81 [2024-11-19 10:31:56,057 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:31:56,060 INFO L225 Difference]: With dead ends: 1787 [2024-11-19 10:31:56,061 INFO L226 Difference]: Without dead ends: 1786 [2024-11-19 10:31:56,062 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 182 GetRequests, 150 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 201 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=332, Invalid=790, Unknown=0, NotChecked=0, Total=1122 [2024-11-19 10:31:56,063 INFO L432 NwaCegarLoop]: 95 mSDtfsCounter, 571 mSDsluCounter, 617 mSDsCounter, 0 mSdLazyCounter, 1157 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 572 SdHoareTripleChecker+Valid, 712 SdHoareTripleChecker+Invalid, 1182 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 1157 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-19 10:31:56,064 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [572 Valid, 712 Invalid, 1182 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 1157 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-19 10:31:56,065 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1786 states. [2024-11-19 10:31:56,157 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1786 to 1690. [2024-11-19 10:31:56,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1690 states, 1612 states have (on average 1.3833746898263026) internal successors, (2230), 1647 states have internal predecessors, (2230), 38 states have call successors, (38), 4 states have call predecessors, (38), 4 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) [2024-11-19 10:31:56,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1690 states to 1690 states and 2306 transitions. [2024-11-19 10:31:56,161 INFO L78 Accepts]: Start accepts. Automaton has 1690 states and 2306 transitions. Word has length 81 [2024-11-19 10:31:56,161 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:31:56,161 INFO L471 AbstractCegarLoop]: Abstraction has 1690 states and 2306 transitions. [2024-11-19 10:31:56,161 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 12.352941176470589) internal successors, (210), 18 states have internal predecessors, (210), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-19 10:31:56,161 INFO L276 IsEmpty]: Start isEmpty. Operand 1690 states and 2306 transitions. [2024-11-19 10:31:56,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2024-11-19 10:31:56,162 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:31:56,162 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:31:56,178 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (38)] Forceful destruction successful, exit code 0