./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/no-overflow.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-invgen/nested6.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version a046e57d Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-invgen/nested6.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 327b0d5e70f014fe291a4771fe2bbb17cb1148e77fe8f6a261d10a47df8adacc --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-mul-div-a046e57-m [2024-10-13 13:12:51,128 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-13 13:12:51,225 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-10-13 13:12:51,229 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-13 13:12:51,230 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-13 13:12:51,252 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-13 13:12:51,253 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-13 13:12:51,253 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-13 13:12:51,254 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-13 13:12:51,254 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-13 13:12:51,254 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-13 13:12:51,255 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-13 13:12:51,255 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-13 13:12:51,256 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-13 13:12:51,256 INFO L153 SettingsManager]: * Use SBE=true [2024-10-13 13:12:51,256 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-13 13:12:51,257 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-13 13:12:51,257 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-13 13:12:51,257 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-13 13:12:51,258 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-13 13:12:51,258 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-13 13:12:51,259 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-13 13:12:51,259 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-13 13:12:51,259 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-13 13:12:51,260 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-13 13:12:51,260 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-10-13 13:12:51,260 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-13 13:12:51,261 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-13 13:12:51,261 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-13 13:12:51,261 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-13 13:12:51,262 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-13 13:12:51,262 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-13 13:12:51,262 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-13 13:12:51,263 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-13 13:12:51,263 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-13 13:12:51,263 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-13 13:12:51,264 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-13 13:12:51,264 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-13 13:12:51,264 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-13 13:12:51,264 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-13 13:12:51,265 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-13 13:12:51,265 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-13 13:12:51,265 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-13 13:12:51,267 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-13 13:12:51,267 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 327b0d5e70f014fe291a4771fe2bbb17cb1148e77fe8f6a261d10a47df8adacc [2024-10-13 13:12:51,515 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-13 13:12:51,538 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-13 13:12:51,541 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-13 13:12:51,542 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-13 13:12:51,542 INFO L274 PluginConnector]: CDTParser initialized [2024-10-13 13:12:51,544 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-invgen/nested6.i [2024-10-13 13:12:52,979 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-13 13:12:53,152 INFO L384 CDTParser]: Found 1 translation units. [2024-10-13 13:12:53,152 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-invgen/nested6.i [2024-10-13 13:12:53,159 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f0db75910/e8935d47fdec4f13a424823a6b51e2d4/FLAG2c968fb51 [2024-10-13 13:12:53,551 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f0db75910/e8935d47fdec4f13a424823a6b51e2d4 [2024-10-13 13:12:53,553 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-13 13:12:53,554 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-13 13:12:53,555 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-13 13:12:53,556 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-13 13:12:53,561 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-13 13:12:53,562 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 01:12:53" (1/1) ... [2024-10-13 13:12:53,563 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5172919b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:12:53, skipping insertion in model container [2024-10-13 13:12:53,563 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 01:12:53" (1/1) ... [2024-10-13 13:12:53,594 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-13 13:12:53,802 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 13:12:53,813 INFO L200 MainTranslator]: Completed pre-run [2024-10-13 13:12:53,834 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 13:12:53,889 INFO L204 MainTranslator]: Completed translation [2024-10-13 13:12:53,894 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:12:53 WrapperNode [2024-10-13 13:12:53,895 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-13 13:12:53,896 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-13 13:12:53,896 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-13 13:12:53,896 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-13 13:12:53,910 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:12:53" (1/1) ... [2024-10-13 13:12:53,927 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:12:53" (1/1) ... [2024-10-13 13:12:53,965 INFO L138 Inliner]: procedures = 16, calls = 10, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 78 [2024-10-13 13:12:53,965 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-13 13:12:53,966 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-13 13:12:53,966 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-13 13:12:53,966 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-13 13:12:53,976 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:12:53" (1/1) ... [2024-10-13 13:12:53,976 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:12:53" (1/1) ... [2024-10-13 13:12:53,978 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:12:53" (1/1) ... [2024-10-13 13:12:53,994 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-10-13 13:12:53,995 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:12:53" (1/1) ... [2024-10-13 13:12:53,995 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:12:53" (1/1) ... [2024-10-13 13:12:53,998 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:12:53" (1/1) ... [2024-10-13 13:12:54,002 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:12:53" (1/1) ... [2024-10-13 13:12:54,003 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:12:53" (1/1) ... [2024-10-13 13:12:54,003 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:12:53" (1/1) ... [2024-10-13 13:12:54,005 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-13 13:12:54,009 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-13 13:12:54,010 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-13 13:12:54,010 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-13 13:12:54,011 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:12:53" (1/1) ... [2024-10-13 13:12:54,017 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-13 13:12:54,028 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:12:54,045 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-13 13:12:54,053 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-13 13:12:54,097 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-13 13:12:54,098 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-13 13:12:54,098 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-13 13:12:54,098 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-13 13:12:54,098 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-10-13 13:12:54,099 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-10-13 13:12:54,163 INFO L238 CfgBuilder]: Building ICFG [2024-10-13 13:12:54,165 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-13 13:12:54,369 INFO L? ?]: Removed 23 outVars from TransFormulas that were not future-live. [2024-10-13 13:12:54,371 INFO L287 CfgBuilder]: Performing block encoding [2024-10-13 13:12:54,406 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-13 13:12:54,406 INFO L314 CfgBuilder]: Removed 3 assume(true) statements. [2024-10-13 13:12:54,407 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 01:12:54 BoogieIcfgContainer [2024-10-13 13:12:54,407 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-13 13:12:54,409 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-13 13:12:54,409 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-13 13:12:54,412 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-13 13:12:54,412 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 01:12:53" (1/3) ... [2024-10-13 13:12:54,413 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4da0cf75 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 01:12:54, skipping insertion in model container [2024-10-13 13:12:54,414 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:12:53" (2/3) ... [2024-10-13 13:12:54,414 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4da0cf75 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 01:12:54, skipping insertion in model container [2024-10-13 13:12:54,415 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 01:12:54" (3/3) ... [2024-10-13 13:12:54,416 INFO L112 eAbstractionObserver]: Analyzing ICFG nested6.i [2024-10-13 13:12:54,433 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-13 13:12:54,433 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 10 error locations. [2024-10-13 13:12:54,502 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-13 13:12:54,513 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;@9953987, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-13 13:12:54,513 INFO L334 AbstractCegarLoop]: Starting to check reachability of 10 error locations. [2024-10-13 13:12:54,519 INFO L276 IsEmpty]: Start isEmpty. Operand has 42 states, 27 states have (on average 1.7777777777777777) internal successors, (48), 38 states have internal predecessors, (48), 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) [2024-10-13 13:12:54,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-10-13 13:12:54,526 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:12:54,526 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2024-10-13 13:12:54,527 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-10-13 13:12:54,532 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:12:54,533 INFO L85 PathProgramCache]: Analyzing trace with hash 128684371, now seen corresponding path program 1 times [2024-10-13 13:12:54,545 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:12:54,546 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [408915307] [2024-10-13 13:12:54,547 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:12:54,547 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:12:54,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:12:54,739 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 13:12:54,740 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:12:54,740 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [408915307] [2024-10-13 13:12:54,741 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [408915307] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 13:12:54,741 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 13:12:54,741 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 13:12:54,743 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [585843380] [2024-10-13 13:12:54,744 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 13:12:54,749 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 13:12:54,750 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:12:54,768 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 13:12:54,769 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 13:12:54,770 INFO L87 Difference]: Start difference. First operand has 42 states, 27 states have (on average 1.7777777777777777) internal successors, (48), 38 states have internal predecessors, (48), 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) Second operand has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 13:12:54,840 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:12:54,841 INFO L93 Difference]: Finished difference Result 102 states and 144 transitions. [2024-10-13 13:12:54,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 13:12:54,843 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2024-10-13 13:12:54,844 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:12:54,850 INFO L225 Difference]: With dead ends: 102 [2024-10-13 13:12:54,850 INFO L226 Difference]: Without dead ends: 59 [2024-10-13 13:12:54,853 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 13:12:54,856 INFO L432 NwaCegarLoop]: 37 mSDtfsCounter, 20 mSDsluCounter, 32 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 69 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-13 13:12:54,856 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 69 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-13 13:12:54,874 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2024-10-13 13:12:54,890 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 54. [2024-10-13 13:12:54,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54 states, 37 states have (on average 1.5405405405405406) internal successors, (57), 48 states have internal predecessors, (57), 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) [2024-10-13 13:12:54,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 69 transitions. [2024-10-13 13:12:54,894 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 69 transitions. Word has length 5 [2024-10-13 13:12:54,894 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:12:54,895 INFO L471 AbstractCegarLoop]: Abstraction has 54 states and 69 transitions. [2024-10-13 13:12:54,895 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 13:12:54,895 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 69 transitions. [2024-10-13 13:12:54,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-10-13 13:12:54,896 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:12:54,896 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:12:54,896 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-13 13:12:54,896 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-10-13 13:12:54,897 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:12:54,897 INFO L85 PathProgramCache]: Analyzing trace with hash 975641147, now seen corresponding path program 1 times [2024-10-13 13:12:54,897 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:12:54,897 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [213851570] [2024-10-13 13:12:54,897 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:12:54,897 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:12:54,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:12:54,983 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 13:12:54,984 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:12:54,984 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [213851570] [2024-10-13 13:12:54,984 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [213851570] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 13:12:54,984 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 13:12:54,984 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-13 13:12:54,985 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2041608024] [2024-10-13 13:12:54,985 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 13:12:54,986 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-13 13:12:54,986 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:12:54,987 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-13 13:12:54,987 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-13 13:12:54,987 INFO L87 Difference]: Start difference. First operand 54 states and 69 transitions. Second operand has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 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) [2024-10-13 13:12:55,063 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:12:55,065 INFO L93 Difference]: Finished difference Result 63 states and 74 transitions. [2024-10-13 13:12:55,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-13 13:12:55,065 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 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 [2024-10-13 13:12:55,066 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:12:55,067 INFO L225 Difference]: With dead ends: 63 [2024-10-13 13:12:55,067 INFO L226 Difference]: Without dead ends: 61 [2024-10-13 13:12:55,067 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 [2024-10-13 13:12:55,068 INFO L432 NwaCegarLoop]: 32 mSDtfsCounter, 18 mSDsluCounter, 58 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 90 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-13 13:12:55,069 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 90 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-13 13:12:55,072 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2024-10-13 13:12:55,082 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 57. [2024-10-13 13:12:55,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57 states, 40 states have (on average 1.5) internal successors, (60), 51 states have internal predecessors, (60), 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) [2024-10-13 13:12:55,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 72 transitions. [2024-10-13 13:12:55,087 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 72 transitions. Word has length 9 [2024-10-13 13:12:55,089 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:12:55,089 INFO L471 AbstractCegarLoop]: Abstraction has 57 states and 72 transitions. [2024-10-13 13:12:55,090 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 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) [2024-10-13 13:12:55,090 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 72 transitions. [2024-10-13 13:12:55,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-10-13 13:12:55,090 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:12:55,090 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:12:55,090 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-13 13:12:55,091 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-10-13 13:12:55,092 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:12:55,092 INFO L85 PathProgramCache]: Analyzing trace with hash 1289018595, now seen corresponding path program 1 times [2024-10-13 13:12:55,094 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:12:55,094 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1000572052] [2024-10-13 13:12:55,094 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:12:55,094 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:12:55,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:12:55,203 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 13:12:55,204 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:12:55,204 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1000572052] [2024-10-13 13:12:55,204 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1000572052] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 13:12:55,204 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 13:12:55,204 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-13 13:12:55,205 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1470172375] [2024-10-13 13:12:55,205 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 13:12:55,205 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-13 13:12:55,205 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:12:55,206 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-13 13:12:55,206 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-13 13:12:55,206 INFO L87 Difference]: Start difference. First operand 57 states and 72 transitions. Second operand has 5 states, 4 states have (on average 2.75) internal successors, (11), 5 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) [2024-10-13 13:12:55,317 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:12:55,318 INFO L93 Difference]: Finished difference Result 61 states and 72 transitions. [2024-10-13 13:12:55,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-13 13:12:55,321 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 2.75) internal successors, (11), 5 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 [2024-10-13 13:12:55,321 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:12:55,322 INFO L225 Difference]: With dead ends: 61 [2024-10-13 13:12:55,322 INFO L226 Difference]: Without dead ends: 60 [2024-10-13 13:12:55,322 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-10-13 13:12:55,324 INFO L432 NwaCegarLoop]: 27 mSDtfsCounter, 28 mSDsluCounter, 84 mSDsCounter, 0 mSdLazyCounter, 56 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 111 SdHoareTripleChecker+Invalid, 63 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 56 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-13 13:12:55,326 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [28 Valid, 111 Invalid, 63 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 56 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-13 13:12:55,329 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2024-10-13 13:12:55,335 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 57. [2024-10-13 13:12:55,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57 states, 40 states have (on average 1.475) internal successors, (59), 51 states have internal predecessors, (59), 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) [2024-10-13 13:12:55,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 71 transitions. [2024-10-13 13:12:55,337 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 71 transitions. Word has length 11 [2024-10-13 13:12:55,337 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:12:55,337 INFO L471 AbstractCegarLoop]: Abstraction has 57 states and 71 transitions. [2024-10-13 13:12:55,338 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 2.75) internal successors, (11), 5 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) [2024-10-13 13:12:55,338 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 71 transitions. [2024-10-13 13:12:55,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-10-13 13:12:55,339 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:12:55,339 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:12:55,339 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-13 13:12:55,339 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-10-13 13:12:55,340 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:12:55,340 INFO L85 PathProgramCache]: Analyzing trace with hash 1281822738, now seen corresponding path program 1 times [2024-10-13 13:12:55,340 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:12:55,340 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1823864225] [2024-10-13 13:12:55,341 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:12:55,341 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:12:55,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:12:55,451 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 13:12:55,452 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:12:55,452 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1823864225] [2024-10-13 13:12:55,452 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1823864225] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 13:12:55,452 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2146829343] [2024-10-13 13:12:55,453 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:12:55,453 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:12:55,453 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:12:55,457 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 13:12:55,458 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-13 13:12:55,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:12:55,502 INFO L255 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-13 13:12:55,508 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:12:55,606 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 13:12:55,607 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-13 13:12:55,607 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2146829343] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 13:12:55,607 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-13 13:12:55,607 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [4] total 8 [2024-10-13 13:12:55,608 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1879694978] [2024-10-13 13:12:55,608 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 13:12:55,608 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-13 13:12:55,608 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:12:55,609 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-13 13:12:55,609 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-10-13 13:12:55,609 INFO L87 Difference]: Start difference. First operand 57 states and 71 transitions. Second operand has 5 states, 5 states have (on average 2.4) internal successors, (12), 5 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 13:12:55,754 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:12:55,754 INFO L93 Difference]: Finished difference Result 111 states and 133 transitions. [2024-10-13 13:12:55,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-13 13:12:55,755 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.4) internal successors, (12), 5 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2024-10-13 13:12:55,755 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:12:55,756 INFO L225 Difference]: With dead ends: 111 [2024-10-13 13:12:55,756 INFO L226 Difference]: Without dead ends: 74 [2024-10-13 13:12:55,756 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2024-10-13 13:12:55,758 INFO L432 NwaCegarLoop]: 34 mSDtfsCounter, 38 mSDsluCounter, 77 mSDsCounter, 0 mSdLazyCounter, 63 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 111 SdHoareTripleChecker+Invalid, 68 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 63 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-13 13:12:55,758 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [41 Valid, 111 Invalid, 68 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 63 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-13 13:12:55,762 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2024-10-13 13:12:55,776 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 58. [2024-10-13 13:12:55,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58 states, 41 states have (on average 1.4634146341463414) internal successors, (60), 52 states have internal predecessors, (60), 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) [2024-10-13 13:12:55,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 72 transitions. [2024-10-13 13:12:55,780 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 72 transitions. Word has length 12 [2024-10-13 13:12:55,780 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:12:55,781 INFO L471 AbstractCegarLoop]: Abstraction has 58 states and 72 transitions. [2024-10-13 13:12:55,781 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.4) internal successors, (12), 5 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 13:12:55,781 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 72 transitions. [2024-10-13 13:12:55,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-10-13 13:12:55,781 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:12:55,782 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:12:55,803 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-10-13 13:12:55,982 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:12:55,983 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-10-13 13:12:55,984 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:12:55,984 INFO L85 PathProgramCache]: Analyzing trace with hash 1304870880, now seen corresponding path program 1 times [2024-10-13 13:12:55,984 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:12:55,984 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1869188112] [2024-10-13 13:12:55,984 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:12:55,984 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:12:56,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:12:56,071 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 13:12:56,071 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:12:56,072 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1869188112] [2024-10-13 13:12:56,072 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1869188112] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 13:12:56,072 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 13:12:56,072 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-13 13:12:56,072 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2070328723] [2024-10-13 13:12:56,072 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 13:12:56,073 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-13 13:12:56,073 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:12:56,073 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-13 13:12:56,073 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-13 13:12:56,074 INFO L87 Difference]: Start difference. First operand 58 states and 72 transitions. Second operand has 5 states, 4 states have (on average 3.0) internal successors, (12), 5 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 13:12:56,167 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:12:56,168 INFO L93 Difference]: Finished difference Result 77 states and 93 transitions. [2024-10-13 13:12:56,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-13 13:12:56,168 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 3.0) internal successors, (12), 5 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2024-10-13 13:12:56,169 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:12:56,169 INFO L225 Difference]: With dead ends: 77 [2024-10-13 13:12:56,170 INFO L226 Difference]: Without dead ends: 76 [2024-10-13 13:12:56,170 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-10-13 13:12:56,171 INFO L432 NwaCegarLoop]: 29 mSDtfsCounter, 42 mSDsluCounter, 90 mSDsCounter, 0 mSdLazyCounter, 54 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 45 SdHoareTripleChecker+Valid, 119 SdHoareTripleChecker+Invalid, 60 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 54 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-13 13:12:56,171 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [45 Valid, 119 Invalid, 60 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 54 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-13 13:12:56,175 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2024-10-13 13:12:56,191 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 71. [2024-10-13 13:12:56,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 71 states, 51 states have (on average 1.4509803921568627) internal successors, (74), 63 states have internal predecessors, (74), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-10-13 13:12:56,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 92 transitions. [2024-10-13 13:12:56,195 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 92 transitions. Word has length 12 [2024-10-13 13:12:56,195 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:12:56,195 INFO L471 AbstractCegarLoop]: Abstraction has 71 states and 92 transitions. [2024-10-13 13:12:56,195 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 3.0) internal successors, (12), 5 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 13:12:56,196 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 92 transitions. [2024-10-13 13:12:56,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-10-13 13:12:56,196 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:12:56,197 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:12:56,197 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-13 13:12:56,197 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-10-13 13:12:56,200 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:12:56,200 INFO L85 PathProgramCache]: Analyzing trace with hash 1008703825, now seen corresponding path program 1 times [2024-10-13 13:12:56,201 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:12:56,201 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1877428648] [2024-10-13 13:12:56,201 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:12:56,201 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:12:56,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:12:56,363 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-10-13 13:12:56,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:12:56,378 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 13:12:56,379 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:12:56,379 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1877428648] [2024-10-13 13:12:56,379 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1877428648] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 13:12:56,379 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 13:12:56,379 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-13 13:12:56,379 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [947105959] [2024-10-13 13:12:56,379 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 13:12:56,380 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-13 13:12:56,380 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:12:56,383 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-13 13:12:56,383 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-10-13 13:12:56,384 INFO L87 Difference]: Start difference. First operand 71 states and 92 transitions. Second operand has 7 states, 6 states have (on average 2.6666666666666665) internal successors, (16), 6 states have internal predecessors, (16), 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) [2024-10-13 13:12:56,544 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:12:56,544 INFO L93 Difference]: Finished difference Result 109 states and 133 transitions. [2024-10-13 13:12:56,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-13 13:12:56,545 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 2.6666666666666665) internal successors, (16), 6 states have internal predecessors, (16), 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 18 [2024-10-13 13:12:56,545 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:12:56,546 INFO L225 Difference]: With dead ends: 109 [2024-10-13 13:12:56,546 INFO L226 Difference]: Without dead ends: 108 [2024-10-13 13:12:56,547 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2024-10-13 13:12:56,547 INFO L432 NwaCegarLoop]: 37 mSDtfsCounter, 57 mSDsluCounter, 153 mSDsCounter, 0 mSdLazyCounter, 118 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 66 SdHoareTripleChecker+Valid, 190 SdHoareTripleChecker+Invalid, 121 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 118 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-13 13:12:56,548 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [66 Valid, 190 Invalid, 121 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 118 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-13 13:12:56,551 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 108 states. [2024-10-13 13:12:56,566 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 108 to 71. [2024-10-13 13:12:56,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 71 states, 51 states have (on average 1.4313725490196079) internal successors, (73), 63 states have internal predecessors, (73), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-10-13 13:12:56,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 91 transitions. [2024-10-13 13:12:56,571 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 91 transitions. Word has length 18 [2024-10-13 13:12:56,571 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:12:56,571 INFO L471 AbstractCegarLoop]: Abstraction has 71 states and 91 transitions. [2024-10-13 13:12:56,571 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 2.6666666666666665) internal successors, (16), 6 states have internal predecessors, (16), 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) [2024-10-13 13:12:56,571 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 91 transitions. [2024-10-13 13:12:56,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-10-13 13:12:56,572 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:12:56,572 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:12:56,574 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-13 13:12:56,574 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-10-13 13:12:56,574 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:12:56,575 INFO L85 PathProgramCache]: Analyzing trace with hash -526870931, now seen corresponding path program 1 times [2024-10-13 13:12:56,575 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:12:56,575 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1951165846] [2024-10-13 13:12:56,575 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:12:56,575 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:12:56,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:12:56,651 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-13 13:12:56,651 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:12:56,652 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1951165846] [2024-10-13 13:12:56,652 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1951165846] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 13:12:56,653 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1515829781] [2024-10-13 13:12:56,653 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:12:56,653 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:12:56,653 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:12:56,656 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 13:12:56,657 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-10-13 13:12:56,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:12:56,693 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-13 13:12:56,694 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:12:56,775 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 13:12:56,776 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-13 13:12:56,776 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1515829781] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 13:12:56,776 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-13 13:12:56,776 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [4] total 9 [2024-10-13 13:12:56,776 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1956441982] [2024-10-13 13:12:56,777 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 13:12:56,777 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-13 13:12:56,777 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:12:56,778 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-13 13:12:56,778 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-10-13 13:12:56,778 INFO L87 Difference]: Start difference. First operand 71 states and 91 transitions. Second operand has 6 states, 6 states have (on average 3.0) internal successors, (18), 6 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) [2024-10-13 13:12:56,908 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:12:56,908 INFO L93 Difference]: Finished difference Result 134 states and 166 transitions. [2024-10-13 13:12:56,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-13 13:12:56,909 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.0) internal successors, (18), 6 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 [2024-10-13 13:12:56,909 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:12:56,910 INFO L225 Difference]: With dead ends: 134 [2024-10-13 13:12:56,910 INFO L226 Difference]: Without dead ends: 80 [2024-10-13 13:12:56,911 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2024-10-13 13:12:56,912 INFO L432 NwaCegarLoop]: 28 mSDtfsCounter, 51 mSDsluCounter, 106 mSDsCounter, 0 mSdLazyCounter, 84 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 54 SdHoareTripleChecker+Valid, 134 SdHoareTripleChecker+Invalid, 93 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 84 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-13 13:12:56,912 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [54 Valid, 134 Invalid, 93 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 84 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-13 13:12:56,913 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2024-10-13 13:12:56,928 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 72. [2024-10-13 13:12:56,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72 states, 52 states have (on average 1.4230769230769231) internal successors, (74), 64 states have internal predecessors, (74), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-10-13 13:12:56,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 92 transitions. [2024-10-13 13:12:56,929 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 92 transitions. Word has length 18 [2024-10-13 13:12:56,929 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:12:56,930 INFO L471 AbstractCegarLoop]: Abstraction has 72 states and 92 transitions. [2024-10-13 13:12:56,930 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.0) internal successors, (18), 6 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) [2024-10-13 13:12:56,930 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 92 transitions. [2024-10-13 13:12:56,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-10-13 13:12:56,930 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:12:56,930 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:12:56,954 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-10-13 13:12:57,134 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,SelfDestructingSolverStorable6 [2024-10-13 13:12:57,135 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-10-13 13:12:57,135 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:12:57,135 INFO L85 PathProgramCache]: Analyzing trace with hash 1205047589, now seen corresponding path program 1 times [2024-10-13 13:12:57,135 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:12:57,136 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [316968830] [2024-10-13 13:12:57,136 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:12:57,136 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:12:57,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:12:57,201 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-10-13 13:12:57,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:12:57,208 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 13:12:57,209 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:12:57,209 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [316968830] [2024-10-13 13:12:57,209 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [316968830] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 13:12:57,209 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 13:12:57,209 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-13 13:12:57,210 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1828221675] [2024-10-13 13:12:57,210 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 13:12:57,211 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-13 13:12:57,211 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:12:57,212 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-13 13:12:57,212 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-10-13 13:12:57,212 INFO L87 Difference]: Start difference. First operand 72 states and 92 transitions. Second operand has 7 states, 6 states have (on average 2.8333333333333335) internal successors, (17), 6 states have internal predecessors, (17), 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) [2024-10-13 13:12:57,315 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:12:57,316 INFO L93 Difference]: Finished difference Result 83 states and 100 transitions. [2024-10-13 13:12:57,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-13 13:12:57,317 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 2.8333333333333335) internal successors, (17), 6 states have internal predecessors, (17), 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 19 [2024-10-13 13:12:57,317 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:12:57,318 INFO L225 Difference]: With dead ends: 83 [2024-10-13 13:12:57,318 INFO L226 Difference]: Without dead ends: 82 [2024-10-13 13:12:57,318 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2024-10-13 13:12:57,319 INFO L432 NwaCegarLoop]: 28 mSDtfsCounter, 42 mSDsluCounter, 92 mSDsCounter, 0 mSdLazyCounter, 76 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 120 SdHoareTripleChecker+Invalid, 81 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 76 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-13 13:12:57,319 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [48 Valid, 120 Invalid, 81 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 76 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-13 13:12:57,320 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2024-10-13 13:12:57,327 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 78. [2024-10-13 13:12:57,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78 states, 57 states have (on average 1.3859649122807018) internal successors, (79), 69 states have internal predecessors, (79), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-10-13 13:12:57,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 99 transitions. [2024-10-13 13:12:57,329 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 99 transitions. Word has length 19 [2024-10-13 13:12:57,329 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:12:57,330 INFO L471 AbstractCegarLoop]: Abstraction has 78 states and 99 transitions. [2024-10-13 13:12:57,330 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 2.8333333333333335) internal successors, (17), 6 states have internal predecessors, (17), 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) [2024-10-13 13:12:57,330 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 99 transitions. [2024-10-13 13:12:57,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-10-13 13:12:57,331 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:12:57,331 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] [2024-10-13 13:12:57,331 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-13 13:12:57,332 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-10-13 13:12:57,332 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:12:57,332 INFO L85 PathProgramCache]: Analyzing trace with hash -705769238, now seen corresponding path program 1 times [2024-10-13 13:12:57,332 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:12:57,332 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1930384707] [2024-10-13 13:12:57,332 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:12:57,333 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:12:57,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:12:57,394 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-13 13:12:57,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:12:57,400 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 13:12:57,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:12:57,405 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-10-13 13:12:57,407 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:12:57,407 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1930384707] [2024-10-13 13:12:57,407 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1930384707] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 13:12:57,407 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1675395016] [2024-10-13 13:12:57,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:12:57,408 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:12:57,408 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:12:57,410 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 13:12:57,411 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-10-13 13:12:57,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:12:57,454 INFO L255 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-13 13:12:57,457 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:12:57,514 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-10-13 13:12:57,514 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-13 13:12:57,514 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1675395016] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 13:12:57,514 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-13 13:12:57,514 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 6 [2024-10-13 13:12:57,515 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [463792345] [2024-10-13 13:12:57,515 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 13:12:57,515 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-13 13:12:57,515 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:12:57,516 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-13 13:12:57,516 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-10-13 13:12:57,516 INFO L87 Difference]: Start difference. First operand 78 states and 99 transitions. Second operand has 5 states, 4 states have (on average 5.0) internal successors, (20), 5 states have internal predecessors, (20), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-13 13:12:57,584 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:12:57,584 INFO L93 Difference]: Finished difference Result 81 states and 99 transitions. [2024-10-13 13:12:57,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-13 13:12:57,585 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), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 27 [2024-10-13 13:12:57,585 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:12:57,586 INFO L225 Difference]: With dead ends: 81 [2024-10-13 13:12:57,586 INFO L226 Difference]: Without dead ends: 78 [2024-10-13 13:12:57,586 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-10-13 13:12:57,587 INFO L432 NwaCegarLoop]: 47 mSDtfsCounter, 31 mSDsluCounter, 82 mSDsCounter, 0 mSdLazyCounter, 58 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 129 SdHoareTripleChecker+Invalid, 60 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 58 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-13 13:12:57,587 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [35 Valid, 129 Invalid, 60 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 58 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-13 13:12:57,588 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2024-10-13 13:12:57,595 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 75. [2024-10-13 13:12:57,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75 states, 57 states have (on average 1.3333333333333333) internal successors, (76), 66 states have internal predecessors, (76), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-10-13 13:12:57,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 96 transitions. [2024-10-13 13:12:57,597 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 96 transitions. Word has length 27 [2024-10-13 13:12:57,597 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:12:57,597 INFO L471 AbstractCegarLoop]: Abstraction has 75 states and 96 transitions. [2024-10-13 13:12:57,597 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), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-13 13:12:57,598 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 96 transitions. [2024-10-13 13:12:57,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-10-13 13:12:57,598 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:12:57,599 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] [2024-10-13 13:12:57,616 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-10-13 13:12:57,799 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 [2024-10-13 13:12:57,800 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-10-13 13:12:57,800 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:12:57,800 INFO L85 PathProgramCache]: Analyzing trace with hash -682721096, now seen corresponding path program 1 times [2024-10-13 13:12:57,800 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:12:57,801 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [927464086] [2024-10-13 13:12:57,801 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:12:57,801 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:12:57,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:12:57,841 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-13 13:12:57,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:12:57,844 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 13:12:57,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:12:57,847 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-10-13 13:12:57,848 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:12:57,848 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [927464086] [2024-10-13 13:12:57,848 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [927464086] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 13:12:57,848 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 13:12:57,848 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-13 13:12:57,848 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2058642154] [2024-10-13 13:12:57,849 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 13:12:57,849 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-13 13:12:57,849 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:12:57,850 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-13 13:12:57,850 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-13 13:12:57,850 INFO L87 Difference]: Start difference. First operand 75 states and 96 transitions. Second operand has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-13 13:12:57,915 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:12:57,915 INFO L93 Difference]: Finished difference Result 125 states and 162 transitions. [2024-10-13 13:12:57,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-13 13:12:57,916 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 27 [2024-10-13 13:12:57,916 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:12:57,917 INFO L225 Difference]: With dead ends: 125 [2024-10-13 13:12:57,917 INFO L226 Difference]: Without dead ends: 77 [2024-10-13 13:12:57,918 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-13 13:12:57,918 INFO L432 NwaCegarLoop]: 32 mSDtfsCounter, 17 mSDsluCounter, 36 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 68 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-13 13:12:57,919 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 68 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-13 13:12:57,919 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2024-10-13 13:12:57,927 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 77. [2024-10-13 13:12:57,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77 states, 59 states have (on average 1.3220338983050848) internal successors, (78), 68 states have internal predecessors, (78), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-10-13 13:12:57,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 98 transitions. [2024-10-13 13:12:57,929 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 98 transitions. Word has length 27 [2024-10-13 13:12:57,929 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:12:57,929 INFO L471 AbstractCegarLoop]: Abstraction has 77 states and 98 transitions. [2024-10-13 13:12:57,930 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-13 13:12:57,930 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 98 transitions. [2024-10-13 13:12:57,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-10-13 13:12:57,931 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:12:57,931 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] [2024-10-13 13:12:57,931 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-10-13 13:12:57,931 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-10-13 13:12:57,932 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:12:57,932 INFO L85 PathProgramCache]: Analyzing trace with hash -404009842, now seen corresponding path program 1 times [2024-10-13 13:12:57,932 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:12:57,932 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1936556086] [2024-10-13 13:12:57,932 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:12:57,933 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:12:57,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:12:57,976 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-13 13:12:57,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:12:57,985 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 13:12:57,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:12:57,994 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-10-13 13:12:57,994 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:12:57,994 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1936556086] [2024-10-13 13:12:57,994 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1936556086] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 13:12:57,995 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [453875857] [2024-10-13 13:12:57,995 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:12:57,995 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:12:57,995 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:12:58,002 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 13:12:58,005 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-10-13 13:12:58,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:12:58,037 INFO L255 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-13 13:12:58,038 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:12:58,081 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-10-13 13:12:58,082 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 13:12:58,147 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-10-13 13:12:58,147 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [453875857] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-13 13:12:58,147 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-13 13:12:58,147 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 9 [2024-10-13 13:12:58,147 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1874311482] [2024-10-13 13:12:58,147 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-13 13:12:58,148 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-13 13:12:58,148 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:12:58,149 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-13 13:12:58,149 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-10-13 13:12:58,149 INFO L87 Difference]: Start difference. First operand 77 states and 98 transitions. Second operand has 10 states, 9 states have (on average 5.555555555555555) internal successors, (50), 10 states have internal predecessors, (50), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-10-13 13:12:58,243 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:12:58,243 INFO L93 Difference]: Finished difference Result 110 states and 136 transitions. [2024-10-13 13:12:58,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-13 13:12:58,244 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 5.555555555555555) internal successors, (50), 10 states have internal predecessors, (50), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 28 [2024-10-13 13:12:58,244 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:12:58,245 INFO L225 Difference]: With dead ends: 110 [2024-10-13 13:12:58,245 INFO L226 Difference]: Without dead ends: 107 [2024-10-13 13:12:58,246 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-10-13 13:12:58,246 INFO L432 NwaCegarLoop]: 29 mSDtfsCounter, 49 mSDsluCounter, 163 mSDsCounter, 0 mSdLazyCounter, 92 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 56 SdHoareTripleChecker+Valid, 192 SdHoareTripleChecker+Invalid, 96 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 92 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-13 13:12:58,247 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [56 Valid, 192 Invalid, 96 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 92 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-13 13:12:58,247 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2024-10-13 13:12:58,256 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 100. [2024-10-13 13:12:58,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 100 states, 80 states have (on average 1.3125) internal successors, (105), 89 states have internal predecessors, (105), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2024-10-13 13:12:58,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 131 transitions. [2024-10-13 13:12:58,258 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 131 transitions. Word has length 28 [2024-10-13 13:12:58,258 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:12:58,259 INFO L471 AbstractCegarLoop]: Abstraction has 100 states and 131 transitions. [2024-10-13 13:12:58,259 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 5.555555555555555) internal successors, (50), 10 states have internal predecessors, (50), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-10-13 13:12:58,259 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 131 transitions. [2024-10-13 13:12:58,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-10-13 13:12:58,260 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:12:58,260 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] [2024-10-13 13:12:58,279 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-10-13 13:12:58,461 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:12:58,461 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-10-13 13:12:58,462 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:12:58,462 INFO L85 PathProgramCache]: Analyzing trace with hash 1928789992, now seen corresponding path program 1 times [2024-10-13 13:12:58,462 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:12:58,462 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [607440374] [2024-10-13 13:12:58,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:12:58,462 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:12:58,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:12:58,553 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-10-13 13:12:58,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:12:58,559 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-10-13 13:12:58,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:12:58,564 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-13 13:12:58,564 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:12:58,564 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [607440374] [2024-10-13 13:12:58,564 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [607440374] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 13:12:58,564 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1606976374] [2024-10-13 13:12:58,564 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:12:58,564 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:12:58,565 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:12:58,566 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 13:12:58,569 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-10-13 13:12:58,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:12:58,613 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-10-13 13:12:58,615 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:12:58,680 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-13 13:12:58,680 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 13:12:58,766 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-13 13:12:58,766 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1606976374] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-13 13:12:58,766 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-13 13:12:58,766 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7, 7] total 18 [2024-10-13 13:12:58,767 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1421685372] [2024-10-13 13:12:58,767 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-13 13:12:58,767 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-10-13 13:12:58,767 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:12:58,768 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-10-13 13:12:58,768 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=265, Unknown=0, NotChecked=0, Total=342 [2024-10-13 13:12:58,768 INFO L87 Difference]: Start difference. First operand 100 states and 131 transitions. Second operand has 19 states, 18 states have (on average 3.111111111111111) internal successors, (56), 19 states have internal predecessors, (56), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 5 states have call predecessors, (6), 6 states have call successors, (6) [2024-10-13 13:12:59,069 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:12:59,069 INFO L93 Difference]: Finished difference Result 267 states and 344 transitions. [2024-10-13 13:12:59,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-10-13 13:12:59,070 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 18 states have (on average 3.111111111111111) internal successors, (56), 19 states have internal predecessors, (56), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 5 states have call predecessors, (6), 6 states have call successors, (6) Word has length 30 [2024-10-13 13:12:59,070 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:12:59,072 INFO L225 Difference]: With dead ends: 267 [2024-10-13 13:12:59,072 INFO L226 Difference]: Without dead ends: 266 [2024-10-13 13:12:59,073 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 205 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=202, Invalid=610, Unknown=0, NotChecked=0, Total=812 [2024-10-13 13:12:59,074 INFO L432 NwaCegarLoop]: 44 mSDtfsCounter, 208 mSDsluCounter, 317 mSDsCounter, 0 mSdLazyCounter, 215 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 222 SdHoareTripleChecker+Valid, 361 SdHoareTripleChecker+Invalid, 235 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 215 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-13 13:12:59,074 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [222 Valid, 361 Invalid, 235 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 215 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-13 13:12:59,100 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 266 states. [2024-10-13 13:12:59,126 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 266 to 121. [2024-10-13 13:12:59,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 121 states, 98 states have (on average 1.2857142857142858) internal successors, (126), 107 states have internal predecessors, (126), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-10-13 13:12:59,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 158 transitions. [2024-10-13 13:12:59,128 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 158 transitions. Word has length 30 [2024-10-13 13:12:59,128 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:12:59,128 INFO L471 AbstractCegarLoop]: Abstraction has 121 states and 158 transitions. [2024-10-13 13:12:59,129 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 18 states have (on average 3.111111111111111) internal successors, (56), 19 states have internal predecessors, (56), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 5 states have call predecessors, (6), 6 states have call successors, (6) [2024-10-13 13:12:59,129 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 158 transitions. [2024-10-13 13:12:59,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-10-13 13:12:59,130 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:12:59,130 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:12:59,151 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-10-13 13:12:59,330 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2024-10-13 13:12:59,331 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-10-13 13:12:59,331 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:12:59,332 INFO L85 PathProgramCache]: Analyzing trace with hash -1827055575, now seen corresponding path program 1 times [2024-10-13 13:12:59,332 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:12:59,332 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1348203906] [2024-10-13 13:12:59,332 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:12:59,332 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:12:59,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:12:59,473 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-13 13:12:59,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:12:59,481 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 13:12:59,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:12:59,488 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-13 13:12:59,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:12:59,498 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-13 13:12:59,498 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:12:59,498 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1348203906] [2024-10-13 13:12:59,498 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1348203906] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 13:12:59,498 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 13:12:59,498 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-10-13 13:12:59,499 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1548684995] [2024-10-13 13:12:59,499 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 13:12:59,500 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-13 13:12:59,503 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:12:59,504 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-13 13:12:59,504 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-10-13 13:12:59,504 INFO L87 Difference]: Start difference. First operand 121 states and 158 transitions. Second operand has 9 states, 8 states have (on average 2.625) internal successors, (21), 8 states have internal predecessors, (21), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-10-13 13:12:59,725 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:12:59,725 INFO L93 Difference]: Finished difference Result 169 states and 216 transitions. [2024-10-13 13:12:59,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-13 13:12:59,726 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 2.625) internal successors, (21), 8 states have internal predecessors, (21), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 33 [2024-10-13 13:12:59,726 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:12:59,728 INFO L225 Difference]: With dead ends: 169 [2024-10-13 13:12:59,728 INFO L226 Difference]: Without dead ends: 168 [2024-10-13 13:12:59,729 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2024-10-13 13:12:59,732 INFO L432 NwaCegarLoop]: 44 mSDtfsCounter, 56 mSDsluCounter, 185 mSDsCounter, 0 mSdLazyCounter, 221 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 229 SdHoareTripleChecker+Invalid, 227 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 221 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-13 13:12:59,733 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [61 Valid, 229 Invalid, 227 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 221 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-13 13:12:59,733 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 168 states. [2024-10-13 13:12:59,750 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 168 to 121. [2024-10-13 13:12:59,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 121 states, 98 states have (on average 1.2755102040816326) internal successors, (125), 107 states have internal predecessors, (125), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-10-13 13:12:59,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 157 transitions. [2024-10-13 13:12:59,751 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 157 transitions. Word has length 33 [2024-10-13 13:12:59,752 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:12:59,752 INFO L471 AbstractCegarLoop]: Abstraction has 121 states and 157 transitions. [2024-10-13 13:12:59,752 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 2.625) internal successors, (21), 8 states have internal predecessors, (21), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-10-13 13:12:59,752 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 157 transitions. [2024-10-13 13:12:59,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-10-13 13:12:59,755 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:12:59,755 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:12:59,755 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-10-13 13:12:59,757 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-10-13 13:12:59,757 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:12:59,757 INFO L85 PathProgramCache]: Analyzing trace with hash -804147891, now seen corresponding path program 1 times [2024-10-13 13:12:59,758 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:12:59,758 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1457780117] [2024-10-13 13:12:59,758 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:12:59,758 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:12:59,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:12:59,871 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-13 13:12:59,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:12:59,876 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 13:12:59,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:12:59,881 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-13 13:12:59,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:12:59,889 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-13 13:12:59,889 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:12:59,890 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1457780117] [2024-10-13 13:12:59,890 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1457780117] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 13:12:59,890 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2034145313] [2024-10-13 13:12:59,890 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:12:59,890 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:12:59,890 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:12:59,892 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 13:12:59,894 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-10-13 13:12:59,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:12:59,932 INFO L255 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-10-13 13:12:59,934 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:12:59,992 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-13 13:12:59,992 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 13:13:00,097 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-13 13:13:00,097 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2034145313] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-13 13:13:00,098 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-13 13:13:00,098 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7, 7] total 18 [2024-10-13 13:13:00,098 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [455036802] [2024-10-13 13:13:00,098 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-13 13:13:00,098 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-10-13 13:13:00,098 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:13:00,099 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-10-13 13:13:00,099 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=271, Unknown=0, NotChecked=0, Total=342 [2024-10-13 13:13:00,099 INFO L87 Difference]: Start difference. First operand 121 states and 157 transitions. Second operand has 19 states, 18 states have (on average 2.9444444444444446) internal successors, (53), 19 states have internal predecessors, (53), 6 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 5 states have call predecessors, (9), 6 states have call successors, (9) [2024-10-13 13:13:00,608 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:13:00,608 INFO L93 Difference]: Finished difference Result 284 states and 386 transitions. [2024-10-13 13:13:00,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-10-13 13:13:00,608 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 18 states have (on average 2.9444444444444446) internal successors, (53), 19 states have internal predecessors, (53), 6 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 5 states have call predecessors, (9), 6 states have call successors, (9) Word has length 34 [2024-10-13 13:13:00,609 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:13:00,610 INFO L225 Difference]: With dead ends: 284 [2024-10-13 13:13:00,611 INFO L226 Difference]: Without dead ends: 282 [2024-10-13 13:13:00,612 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 260 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=273, Invalid=987, Unknown=0, NotChecked=0, Total=1260 [2024-10-13 13:13:00,614 INFO L432 NwaCegarLoop]: 38 mSDtfsCounter, 318 mSDsluCounter, 281 mSDsCounter, 0 mSdLazyCounter, 317 mSolverCounterSat, 58 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 330 SdHoareTripleChecker+Valid, 319 SdHoareTripleChecker+Invalid, 375 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 58 IncrementalHoareTripleChecker+Valid, 317 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-13 13:13:00,614 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [330 Valid, 319 Invalid, 375 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [58 Valid, 317 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-13 13:13:00,615 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 282 states. [2024-10-13 13:13:00,665 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 282 to 176. [2024-10-13 13:13:00,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 176 states, 145 states have (on average 1.2758620689655173) internal successors, (185), 155 states have internal predecessors, (185), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-10-13 13:13:00,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 176 states and 233 transitions. [2024-10-13 13:13:00,668 INFO L78 Accepts]: Start accepts. Automaton has 176 states and 233 transitions. Word has length 34 [2024-10-13 13:13:00,668 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:13:00,668 INFO L471 AbstractCegarLoop]: Abstraction has 176 states and 233 transitions. [2024-10-13 13:13:00,669 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 18 states have (on average 2.9444444444444446) internal successors, (53), 19 states have internal predecessors, (53), 6 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 5 states have call predecessors, (9), 6 states have call successors, (9) [2024-10-13 13:13:00,669 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 233 transitions. [2024-10-13 13:13:00,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-10-13 13:13:00,671 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:13:00,671 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:13:00,689 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-10-13 13:13:00,871 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:13:00,872 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-10-13 13:13:00,873 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:13:00,873 INFO L85 PathProgramCache]: Analyzing trace with hash 991077192, now seen corresponding path program 1 times [2024-10-13 13:13:00,873 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:13:00,873 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [140129863] [2024-10-13 13:13:00,873 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:13:00,873 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:13:00,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:13:00,906 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-13 13:13:00,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:13:00,908 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 13:13:00,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:13:00,910 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2024-10-13 13:13:00,910 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:13:00,910 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [140129863] [2024-10-13 13:13:00,910 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [140129863] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 13:13:00,910 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 13:13:00,910 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-13 13:13:00,910 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [36776517] [2024-10-13 13:13:00,910 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 13:13:00,911 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-13 13:13:00,911 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:13:00,911 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-13 13:13:00,911 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-13 13:13:00,911 INFO L87 Difference]: Start difference. First operand 176 states and 233 transitions. Second operand has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-13 13:13:00,945 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:13:00,945 INFO L93 Difference]: Finished difference Result 176 states and 233 transitions. [2024-10-13 13:13:00,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-13 13:13:00,945 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 39 [2024-10-13 13:13:00,945 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:13:00,947 INFO L225 Difference]: With dead ends: 176 [2024-10-13 13:13:00,947 INFO L226 Difference]: Without dead ends: 175 [2024-10-13 13:13:00,947 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-13 13:13:00,947 INFO L432 NwaCegarLoop]: 27 mSDtfsCounter, 19 mSDsluCounter, 34 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 61 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-13 13:13:00,948 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 61 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-13 13:13:00,948 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 175 states. [2024-10-13 13:13:00,963 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 175 to 175. [2024-10-13 13:13:00,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 175 states, 145 states have (on average 1.2689655172413794) internal successors, (184), 154 states have internal predecessors, (184), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-10-13 13:13:00,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 175 states and 232 transitions. [2024-10-13 13:13:00,965 INFO L78 Accepts]: Start accepts. Automaton has 175 states and 232 transitions. Word has length 39 [2024-10-13 13:13:00,966 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:13:00,966 INFO L471 AbstractCegarLoop]: Abstraction has 175 states and 232 transitions. [2024-10-13 13:13:00,966 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-13 13:13:00,966 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 232 transitions. [2024-10-13 13:13:00,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-10-13 13:13:00,967 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:13:00,967 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 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] [2024-10-13 13:13:00,967 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-10-13 13:13:00,967 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-10-13 13:13:00,967 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:13:00,968 INFO L85 PathProgramCache]: Analyzing trace with hash -1054038246, now seen corresponding path program 1 times [2024-10-13 13:13:00,968 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:13:00,968 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [874468872] [2024-10-13 13:13:00,968 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:13:00,968 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:13:00,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:13:01,085 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-13 13:13:01,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:13:01,089 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 13:13:01,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:13:01,093 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-13 13:13:01,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:13:01,095 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 5 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-13 13:13:01,095 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:13:01,095 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [874468872] [2024-10-13 13:13:01,095 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [874468872] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 13:13:01,095 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [928101013] [2024-10-13 13:13:01,096 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:13:01,096 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:13:01,096 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:13:01,097 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 13:13:01,099 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-10-13 13:13:01,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:13:01,138 INFO L255 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-10-13 13:13:01,140 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:13:01,263 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-13 13:13:01,263 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 13:13:01,364 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 5 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-13 13:13:01,364 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [928101013] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-13 13:13:01,364 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-13 13:13:01,364 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 21 [2024-10-13 13:13:01,364 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [592807953] [2024-10-13 13:13:01,365 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-13 13:13:01,365 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2024-10-13 13:13:01,365 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:13:01,366 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2024-10-13 13:13:01,367 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=344, Unknown=0, NotChecked=0, Total=420 [2024-10-13 13:13:01,368 INFO L87 Difference]: Start difference. First operand 175 states and 232 transitions. Second operand has 21 states, 21 states have (on average 2.619047619047619) internal successors, (55), 21 states have internal predecessors, (55), 4 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 4 states have call successors, (8) [2024-10-13 13:13:01,514 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:13:01,514 INFO L93 Difference]: Finished difference Result 254 states and 330 transitions. [2024-10-13 13:13:01,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-13 13:13:01,515 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 21 states have (on average 2.619047619047619) internal successors, (55), 21 states have internal predecessors, (55), 4 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 4 states have call successors, (8) Word has length 40 [2024-10-13 13:13:01,515 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:13:01,516 INFO L225 Difference]: With dead ends: 254 [2024-10-13 13:13:01,517 INFO L226 Difference]: Without dead ends: 179 [2024-10-13 13:13:01,518 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 73 SyntacticMatches, 1 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 174 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=76, Invalid=344, Unknown=0, NotChecked=0, Total=420 [2024-10-13 13:13:01,519 INFO L432 NwaCegarLoop]: 24 mSDtfsCounter, 75 mSDsluCounter, 195 mSDsCounter, 0 mSdLazyCounter, 183 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 82 SdHoareTripleChecker+Valid, 219 SdHoareTripleChecker+Invalid, 191 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 183 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-13 13:13:01,519 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [82 Valid, 219 Invalid, 191 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 183 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-13 13:13:01,520 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 179 states. [2024-10-13 13:13:01,536 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 179 to 175. [2024-10-13 13:13:01,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 175 states, 145 states have (on average 1.2620689655172415) internal successors, (183), 154 states have internal predecessors, (183), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-10-13 13:13:01,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 175 states and 231 transitions. [2024-10-13 13:13:01,538 INFO L78 Accepts]: Start accepts. Automaton has 175 states and 231 transitions. Word has length 40 [2024-10-13 13:13:01,538 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:13:01,538 INFO L471 AbstractCegarLoop]: Abstraction has 175 states and 231 transitions. [2024-10-13 13:13:01,538 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 2.619047619047619) internal successors, (55), 21 states have internal predecessors, (55), 4 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 4 states have call successors, (8) [2024-10-13 13:13:01,539 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 231 transitions. [2024-10-13 13:13:01,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-10-13 13:13:01,539 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:13:01,540 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:13:01,560 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-10-13 13:13:01,740 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:13:01,741 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-10-13 13:13:01,742 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:13:01,742 INFO L85 PathProgramCache]: Analyzing trace with hash 2100709149, now seen corresponding path program 1 times [2024-10-13 13:13:01,742 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:13:01,742 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [637570997] [2024-10-13 13:13:01,742 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:13:01,742 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:13:01,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:13:01,858 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-13 13:13:01,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:13:01,862 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 13:13:01,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:13:01,865 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-13 13:13:01,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:13:01,868 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-13 13:13:01,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:13:01,871 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-13 13:13:01,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:13:01,874 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-13 13:13:01,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:13:01,877 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-10-13 13:13:01,877 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:13:01,877 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [637570997] [2024-10-13 13:13:01,877 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [637570997] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 13:13:01,878 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1357207269] [2024-10-13 13:13:01,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:13:01,878 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:13:01,878 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:13:01,880 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 13:13:01,881 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-10-13 13:13:01,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:13:01,926 INFO L255 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-10-13 13:13:01,928 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:13:01,974 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-10-13 13:13:01,974 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 13:13:02,095 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-10-13 13:13:02,096 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1357207269] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-13 13:13:02,096 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-13 13:13:02,096 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 16 [2024-10-13 13:13:02,096 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2023267274] [2024-10-13 13:13:02,096 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-13 13:13:02,097 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-10-13 13:13:02,097 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:13:02,097 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-10-13 13:13:02,097 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=208, Unknown=0, NotChecked=0, Total=272 [2024-10-13 13:13:02,098 INFO L87 Difference]: Start difference. First operand 175 states and 231 transitions. Second operand has 17 states, 16 states have (on average 2.9375) internal successors, (47), 17 states have internal predecessors, (47), 6 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 6 states have call predecessors, (12), 6 states have call successors, (12) [2024-10-13 13:13:02,403 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:13:02,403 INFO L93 Difference]: Finished difference Result 267 states and 358 transitions. [2024-10-13 13:13:02,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-10-13 13:13:02,404 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 2.9375) internal successors, (47), 17 states have internal predecessors, (47), 6 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 6 states have call predecessors, (12), 6 states have call successors, (12) Word has length 51 [2024-10-13 13:13:02,404 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:13:02,406 INFO L225 Difference]: With dead ends: 267 [2024-10-13 13:13:02,406 INFO L226 Difference]: Without dead ends: 266 [2024-10-13 13:13:02,407 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 132 GetRequests, 105 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 145 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=196, Invalid=616, Unknown=0, NotChecked=0, Total=812 [2024-10-13 13:13:02,407 INFO L432 NwaCegarLoop]: 25 mSDtfsCounter, 307 mSDsluCounter, 201 mSDsCounter, 0 mSdLazyCounter, 185 mSolverCounterSat, 51 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 311 SdHoareTripleChecker+Valid, 226 SdHoareTripleChecker+Invalid, 236 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 185 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-13 13:13:02,408 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [311 Valid, 226 Invalid, 236 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [51 Valid, 185 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-13 13:13:02,408 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 266 states. [2024-10-13 13:13:02,428 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 266 to 256. [2024-10-13 13:13:02,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 256 states, 208 states have (on average 1.2884615384615385) internal successors, (268), 223 states have internal predecessors, (268), 42 states have call successors, (42), 1 states have call predecessors, (42), 1 states have return successors, (42), 42 states have call predecessors, (42), 42 states have call successors, (42) [2024-10-13 13:13:02,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 256 states and 352 transitions. [2024-10-13 13:13:02,431 INFO L78 Accepts]: Start accepts. Automaton has 256 states and 352 transitions. Word has length 51 [2024-10-13 13:13:02,431 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:13:02,431 INFO L471 AbstractCegarLoop]: Abstraction has 256 states and 352 transitions. [2024-10-13 13:13:02,431 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 2.9375) internal successors, (47), 17 states have internal predecessors, (47), 6 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 6 states have call predecessors, (12), 6 states have call successors, (12) [2024-10-13 13:13:02,431 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 352 transitions. [2024-10-13 13:13:02,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-10-13 13:13:02,432 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:13:02,432 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 3, 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] [2024-10-13 13:13:02,450 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-10-13 13:13:02,636 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,SelfDestructingSolverStorable16 [2024-10-13 13:13:02,637 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-10-13 13:13:02,637 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:13:02,637 INFO L85 PathProgramCache]: Analyzing trace with hash 285029362, now seen corresponding path program 2 times [2024-10-13 13:13:02,637 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:13:02,637 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1498501619] [2024-10-13 13:13:02,637 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:13:02,638 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:13:02,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:13:02,705 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-13 13:13:02,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:13:02,708 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 13:13:02,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:13:02,710 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-13 13:13:02,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:13:02,712 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-13 13:13:02,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:13:02,714 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-10-13 13:13:02,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:13:02,716 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2024-10-13 13:13:02,716 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:13:02,717 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1498501619] [2024-10-13 13:13:02,717 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1498501619] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 13:13:02,717 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 13:13:02,717 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-13 13:13:02,717 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2123558485] [2024-10-13 13:13:02,717 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 13:13:02,718 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-13 13:13:02,718 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:13:02,718 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-13 13:13:02,718 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-10-13 13:13:02,719 INFO L87 Difference]: Start difference. First operand 256 states and 352 transitions. Second operand has 6 states, 5 states have (on average 5.4) internal successors, (27), 6 states have internal predecessors, (27), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-10-13 13:13:02,870 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:13:02,870 INFO L93 Difference]: Finished difference Result 345 states and 480 transitions. [2024-10-13 13:13:02,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-13 13:13:02,871 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 5.4) internal successors, (27), 6 states have internal predecessors, (27), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 55 [2024-10-13 13:13:02,871 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:13:02,873 INFO L225 Difference]: With dead ends: 345 [2024-10-13 13:13:02,873 INFO L226 Difference]: Without dead ends: 344 [2024-10-13 13:13:02,874 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-10-13 13:13:02,874 INFO L432 NwaCegarLoop]: 24 mSDtfsCounter, 74 mSDsluCounter, 82 mSDsCounter, 0 mSdLazyCounter, 88 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 77 SdHoareTripleChecker+Valid, 106 SdHoareTripleChecker+Invalid, 106 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 88 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-13 13:13:02,875 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [77 Valid, 106 Invalid, 106 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 88 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-13 13:13:02,876 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 344 states. [2024-10-13 13:13:02,915 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 344 to 256. [2024-10-13 13:13:02,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 256 states, 208 states have (on average 1.2692307692307692) internal successors, (264), 223 states have internal predecessors, (264), 42 states have call successors, (42), 1 states have call predecessors, (42), 1 states have return successors, (42), 42 states have call predecessors, (42), 42 states have call successors, (42) [2024-10-13 13:13:02,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 256 states and 348 transitions. [2024-10-13 13:13:02,918 INFO L78 Accepts]: Start accepts. Automaton has 256 states and 348 transitions. Word has length 55 [2024-10-13 13:13:02,918 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:13:02,918 INFO L471 AbstractCegarLoop]: Abstraction has 256 states and 348 transitions. [2024-10-13 13:13:02,918 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 5.4) internal successors, (27), 6 states have internal predecessors, (27), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-10-13 13:13:02,918 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 348 transitions. [2024-10-13 13:13:02,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2024-10-13 13:13:02,919 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:13:02,919 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:13:02,919 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-10-13 13:13:02,920 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-10-13 13:13:02,920 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:13:02,920 INFO L85 PathProgramCache]: Analyzing trace with hash -543893651, now seen corresponding path program 1 times [2024-10-13 13:13:02,920 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:13:02,920 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1234662745] [2024-10-13 13:13:02,920 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:13:02,921 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:13:02,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:13:03,076 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-13 13:13:03,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:13:03,080 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 13:13:03,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:13:03,083 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-13 13:13:03,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:13:03,086 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-10-13 13:13:03,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:13:03,091 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-10-13 13:13:03,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:13:03,094 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-10-13 13:13:03,094 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:13:03,094 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1234662745] [2024-10-13 13:13:03,095 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1234662745] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 13:13:03,095 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1068941719] [2024-10-13 13:13:03,095 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:13:03,095 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:13:03,095 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:13:03,097 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 13:13:03,098 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-10-13 13:13:03,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:13:03,145 INFO L255 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-10-13 13:13:03,147 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:13:03,260 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-10-13 13:13:03,261 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 13:13:03,421 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-10-13 13:13:03,422 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1068941719] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-13 13:13:03,422 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-13 13:13:03,422 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 11, 11] total 30 [2024-10-13 13:13:03,422 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1554189005] [2024-10-13 13:13:03,422 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-13 13:13:03,423 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2024-10-13 13:13:03,423 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:13:03,423 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2024-10-13 13:13:03,424 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=163, Invalid=767, Unknown=0, NotChecked=0, Total=930 [2024-10-13 13:13:03,424 INFO L87 Difference]: Start difference. First operand 256 states and 348 transitions. Second operand has 31 states, 30 states have (on average 2.966666666666667) internal successors, (89), 31 states have internal predecessors, (89), 12 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 11 states have call predecessors, (15), 12 states have call successors, (15) [2024-10-13 13:13:04,710 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:13:04,710 INFO L93 Difference]: Finished difference Result 793 states and 1118 transitions. [2024-10-13 13:13:04,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2024-10-13 13:13:04,711 INFO L78 Accepts]: Start accepts. Automaton has has 31 states, 30 states have (on average 2.966666666666667) internal successors, (89), 31 states have internal predecessors, (89), 12 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 11 states have call predecessors, (15), 12 states have call successors, (15) Word has length 56 [2024-10-13 13:13:04,711 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:13:04,716 INFO L225 Difference]: With dead ends: 793 [2024-10-13 13:13:04,717 INFO L226 Difference]: Without dead ends: 792 [2024-10-13 13:13:04,719 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 179 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1834 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=1059, Invalid=4947, Unknown=0, NotChecked=0, Total=6006 [2024-10-13 13:13:04,720 INFO L432 NwaCegarLoop]: 34 mSDtfsCounter, 443 mSDsluCounter, 487 mSDsCounter, 0 mSdLazyCounter, 544 mSolverCounterSat, 64 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 464 SdHoareTripleChecker+Valid, 521 SdHoareTripleChecker+Invalid, 608 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 64 IncrementalHoareTripleChecker+Valid, 544 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-13 13:13:04,720 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [464 Valid, 521 Invalid, 608 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [64 Valid, 544 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-13 13:13:04,722 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 792 states. [2024-10-13 13:13:04,771 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 792 to 312. [2024-10-13 13:13:04,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 312 states, 256 states have (on average 1.25) internal successors, (320), 271 states have internal predecessors, (320), 50 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 50 states have call predecessors, (50), 50 states have call successors, (50) [2024-10-13 13:13:04,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 312 states and 420 transitions. [2024-10-13 13:13:04,775 INFO L78 Accepts]: Start accepts. Automaton has 312 states and 420 transitions. Word has length 56 [2024-10-13 13:13:04,776 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:13:04,776 INFO L471 AbstractCegarLoop]: Abstraction has 312 states and 420 transitions. [2024-10-13 13:13:04,776 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 30 states have (on average 2.966666666666667) internal successors, (89), 31 states have internal predecessors, (89), 12 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 11 states have call predecessors, (15), 12 states have call successors, (15) [2024-10-13 13:13:04,776 INFO L276 IsEmpty]: Start isEmpty. Operand 312 states and 420 transitions. [2024-10-13 13:13:04,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-10-13 13:13:04,777 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:13:04,778 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:13:04,805 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-10-13 13:13:04,996 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:13:04,997 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-10-13 13:13:04,997 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:13:04,997 INFO L85 PathProgramCache]: Analyzing trace with hash -1724630169, now seen corresponding path program 1 times [2024-10-13 13:13:04,997 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:13:04,998 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [395602015] [2024-10-13 13:13:04,998 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:13:04,998 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:13:05,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:13:05,041 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-13 13:13:05,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:13:05,044 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 13:13:05,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:13:05,046 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-13 13:13:05,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:13:05,048 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-13 13:13:05,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:13:05,050 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-13 13:13:05,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:13:05,052 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-13 13:13:05,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:13:05,055 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2024-10-13 13:13:05,055 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:13:05,055 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [395602015] [2024-10-13 13:13:05,055 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [395602015] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 13:13:05,055 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 13:13:05,055 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-13 13:13:05,056 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1596251340] [2024-10-13 13:13:05,056 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 13:13:05,056 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-13 13:13:05,056 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:13:05,057 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-13 13:13:05,057 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-13 13:13:05,057 INFO L87 Difference]: Start difference. First operand 312 states and 420 transitions. Second operand has 5 states, 4 states have (on average 6.0) internal successors, (24), 5 states have internal predecessors, (24), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-10-13 13:13:05,134 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:13:05,134 INFO L93 Difference]: Finished difference Result 312 states and 420 transitions. [2024-10-13 13:13:05,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-13 13:13:05,135 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 6.0) internal successors, (24), 5 states have internal predecessors, (24), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 57 [2024-10-13 13:13:05,135 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:13:05,137 INFO L225 Difference]: With dead ends: 312 [2024-10-13 13:13:05,138 INFO L226 Difference]: Without dead ends: 311 [2024-10-13 13:13:05,138 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-10-13 13:13:05,139 INFO L432 NwaCegarLoop]: 20 mSDtfsCounter, 30 mSDsluCounter, 37 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 57 SdHoareTripleChecker+Invalid, 51 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-13 13:13:05,139 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 57 Invalid, 51 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-13 13:13:05,143 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 311 states. [2024-10-13 13:13:05,176 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 311 to 311. [2024-10-13 13:13:05,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 311 states, 256 states have (on average 1.234375) internal successors, (316), 270 states have internal predecessors, (316), 50 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 50 states have call predecessors, (50), 50 states have call successors, (50) [2024-10-13 13:13:05,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 311 states to 311 states and 416 transitions. [2024-10-13 13:13:05,179 INFO L78 Accepts]: Start accepts. Automaton has 311 states and 416 transitions. Word has length 57 [2024-10-13 13:13:05,179 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:13:05,179 INFO L471 AbstractCegarLoop]: Abstraction has 311 states and 416 transitions. [2024-10-13 13:13:05,179 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 6.0) internal successors, (24), 5 states have internal predecessors, (24), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-10-13 13:13:05,179 INFO L276 IsEmpty]: Start isEmpty. Operand 311 states and 416 transitions. [2024-10-13 13:13:05,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-10-13 13:13:05,180 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:13:05,180 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1] [2024-10-13 13:13:05,180 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-10-13 13:13:05,181 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-10-13 13:13:05,181 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:13:05,181 INFO L85 PathProgramCache]: Analyzing trace with hash -70731642, now seen corresponding path program 2 times [2024-10-13 13:13:05,181 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:13:05,182 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [605143900] [2024-10-13 13:13:05,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:13:05,182 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:13:05,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:13:05,239 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-13 13:13:05,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:13:05,243 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 13:13:05,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:13:05,247 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-13 13:13:05,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:13:05,250 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-13 13:13:05,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:13:05,252 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2024-10-13 13:13:05,252 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:13:05,252 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [605143900] [2024-10-13 13:13:05,253 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [605143900] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 13:13:05,253 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [354551872] [2024-10-13 13:13:05,253 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-13 13:13:05,253 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:13:05,253 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:13:05,255 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 13:13:05,256 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-10-13 13:13:05,291 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-10-13 13:13:05,291 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-13 13:13:05,292 INFO L255 TraceCheckSpWp]: Trace formula consists of 29 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-13 13:13:05,293 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:13:05,343 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2024-10-13 13:13:05,344 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 13:13:05,412 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2024-10-13 13:13:05,412 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [354551872] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-13 13:13:05,412 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-13 13:13:05,412 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 5 [2024-10-13 13:13:05,413 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [729781176] [2024-10-13 13:13:05,413 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-13 13:13:05,413 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-13 13:13:05,413 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:13:05,414 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-13 13:13:05,414 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-10-13 13:13:05,414 INFO L87 Difference]: Start difference. First operand 311 states and 416 transitions. Second operand has 6 states, 5 states have (on average 7.6) internal successors, (38), 6 states have internal predecessors, (38), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-10-13 13:13:05,468 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:13:05,469 INFO L93 Difference]: Finished difference Result 311 states and 416 transitions. [2024-10-13 13:13:05,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-13 13:13:05,469 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 7.6) internal successors, (38), 6 states have internal predecessors, (38), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 57 [2024-10-13 13:13:05,470 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:13:05,471 INFO L225 Difference]: With dead ends: 311 [2024-10-13 13:13:05,471 INFO L226 Difference]: Without dead ends: 310 [2024-10-13 13:13:05,472 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 118 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-10-13 13:13:05,472 INFO L432 NwaCegarLoop]: 23 mSDtfsCounter, 47 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 47 SdHoareTripleChecker+Valid, 43 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-13 13:13:05,472 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [47 Valid, 43 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-13 13:13:05,473 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 310 states. [2024-10-13 13:13:05,538 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 310 to 262. [2024-10-13 13:13:05,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 262 states, 215 states have (on average 1.2279069767441861) internal successors, (264), 226 states have internal predecessors, (264), 43 states have call successors, (43), 1 states have call predecessors, (43), 1 states have return successors, (43), 43 states have call predecessors, (43), 43 states have call successors, (43) [2024-10-13 13:13:05,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 262 states and 350 transitions. [2024-10-13 13:13:05,542 INFO L78 Accepts]: Start accepts. Automaton has 262 states and 350 transitions. Word has length 57 [2024-10-13 13:13:05,542 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:13:05,542 INFO L471 AbstractCegarLoop]: Abstraction has 262 states and 350 transitions. [2024-10-13 13:13:05,542 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 7.6) internal successors, (38), 6 states have internal predecessors, (38), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-10-13 13:13:05,542 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 350 transitions. [2024-10-13 13:13:05,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-10-13 13:13:05,543 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:13:05,544 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 4, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:13:05,560 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2024-10-13 13:13:05,747 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,SelfDestructingSolverStorable20 [2024-10-13 13:13:05,748 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-10-13 13:13:05,749 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:13:05,750 INFO L85 PathProgramCache]: Analyzing trace with hash -114875827, now seen corresponding path program 2 times [2024-10-13 13:13:05,750 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:13:05,750 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [709510321] [2024-10-13 13:13:05,750 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:13:05,750 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:13:05,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:13:05,937 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-13 13:13:05,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:13:05,941 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 13:13:05,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:13:05,945 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-13 13:13:05,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:13:05,947 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-13 13:13:05,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:13:05,950 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-13 13:13:05,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:13:05,953 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-13 13:13:05,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:13:05,956 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-13 13:13:05,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:13:05,959 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-10-13 13:13:05,959 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:13:05,960 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [709510321] [2024-10-13 13:13:05,960 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [709510321] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 13:13:05,960 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1537649463] [2024-10-13 13:13:05,960 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-13 13:13:05,960 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:13:05,960 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:13:05,962 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 13:13:05,963 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-10-13 13:13:05,999 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-10-13 13:13:05,999 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-13 13:13:06,000 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-10-13 13:13:06,001 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:13:06,076 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2024-10-13 13:13:06,076 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 13:13:06,165 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2024-10-13 13:13:06,166 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1537649463] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-13 13:13:06,166 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-13 13:13:06,166 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 6, 6] total 17 [2024-10-13 13:13:06,166 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [67755830] [2024-10-13 13:13:06,166 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-13 13:13:06,167 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-10-13 13:13:06,167 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:13:06,167 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-10-13 13:13:06,168 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=245, Unknown=0, NotChecked=0, Total=306 [2024-10-13 13:13:06,168 INFO L87 Difference]: Start difference. First operand 262 states and 350 transitions. Second operand has 18 states, 17 states have (on average 3.0) internal successors, (51), 17 states have internal predecessors, (51), 6 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 6 states have call predecessors, (10), 6 states have call successors, (10) [2024-10-13 13:13:06,865 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:13:06,866 INFO L93 Difference]: Finished difference Result 339 states and 460 transitions. [2024-10-13 13:13:06,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-10-13 13:13:06,866 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 3.0) internal successors, (51), 17 states have internal predecessors, (51), 6 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 6 states have call predecessors, (10), 6 states have call successors, (10) Word has length 64 [2024-10-13 13:13:06,867 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:13:06,868 INFO L225 Difference]: With dead ends: 339 [2024-10-13 13:13:06,868 INFO L226 Difference]: Without dead ends: 338 [2024-10-13 13:13:06,870 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 190 GetRequests, 133 SyntacticMatches, 4 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 870 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=597, Invalid=2373, Unknown=0, NotChecked=0, Total=2970 [2024-10-13 13:13:06,871 INFO L432 NwaCegarLoop]: 23 mSDtfsCounter, 303 mSDsluCounter, 149 mSDsCounter, 0 mSdLazyCounter, 304 mSolverCounterSat, 72 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 303 SdHoareTripleChecker+Valid, 172 SdHoareTripleChecker+Invalid, 376 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 72 IncrementalHoareTripleChecker+Valid, 304 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-13 13:13:06,871 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [303 Valid, 172 Invalid, 376 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [72 Valid, 304 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-13 13:13:06,871 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 338 states. [2024-10-13 13:13:06,896 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 338 to 153. [2024-10-13 13:13:06,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 153 states, 123 states have (on average 1.2276422764227641) internal successors, (151), 133 states have internal predecessors, (151), 27 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-10-13 13:13:06,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 153 states and 205 transitions. [2024-10-13 13:13:06,898 INFO L78 Accepts]: Start accepts. Automaton has 153 states and 205 transitions. Word has length 64 [2024-10-13 13:13:06,898 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:13:06,898 INFO L471 AbstractCegarLoop]: Abstraction has 153 states and 205 transitions. [2024-10-13 13:13:06,898 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 3.0) internal successors, (51), 17 states have internal predecessors, (51), 6 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 6 states have call predecessors, (10), 6 states have call successors, (10) [2024-10-13 13:13:06,899 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 205 transitions. [2024-10-13 13:13:06,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2024-10-13 13:13:06,902 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:13:06,903 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:13:06,919 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2024-10-13 13:13:07,103 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,SelfDestructingSolverStorable21 [2024-10-13 13:13:07,104 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-10-13 13:13:07,104 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:13:07,104 INFO L85 PathProgramCache]: Analyzing trace with hash 1691420520, now seen corresponding path program 3 times [2024-10-13 13:13:07,104 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:13:07,104 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1149843546] [2024-10-13 13:13:07,104 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:13:07,104 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:13:07,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:13:07,179 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-13 13:13:07,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:13:07,182 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 13:13:07,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:13:07,183 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-13 13:13:07,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:13:07,184 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-13 13:13:07,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:13:07,186 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-13 13:13:07,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:13:07,188 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-13 13:13:07,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:13:07,191 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-10-13 13:13:07,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:13:07,193 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2024-10-13 13:13:07,195 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:13:07,196 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1149843546] [2024-10-13 13:13:07,196 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1149843546] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 13:13:07,196 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 13:13:07,196 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-13 13:13:07,196 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1460229776] [2024-10-13 13:13:07,196 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 13:13:07,197 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-13 13:13:07,197 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:13:07,197 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-13 13:13:07,197 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-10-13 13:13:07,198 INFO L87 Difference]: Start difference. First operand 153 states and 205 transitions. Second operand has 8 states, 7 states have (on average 4.571428571428571) internal successors, (32), 8 states have internal predecessors, (32), 3 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) [2024-10-13 13:13:07,380 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:13:07,380 INFO L93 Difference]: Finished difference Result 212 states and 293 transitions. [2024-10-13 13:13:07,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-13 13:13:07,381 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 4.571428571428571) internal successors, (32), 8 states have internal predecessors, (32), 3 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) Word has length 70 [2024-10-13 13:13:07,381 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:13:07,382 INFO L225 Difference]: With dead ends: 212 [2024-10-13 13:13:07,382 INFO L226 Difference]: Without dead ends: 211 [2024-10-13 13:13:07,383 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=64, Invalid=176, Unknown=0, NotChecked=0, Total=240 [2024-10-13 13:13:07,383 INFO L432 NwaCegarLoop]: 32 mSDtfsCounter, 57 mSDsluCounter, 119 mSDsCounter, 0 mSdLazyCounter, 139 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 57 SdHoareTripleChecker+Valid, 151 SdHoareTripleChecker+Invalid, 152 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 139 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-13 13:13:07,383 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [57 Valid, 151 Invalid, 152 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 139 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-13 13:13:07,384 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 211 states. [2024-10-13 13:13:07,404 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 211 to 122. [2024-10-13 13:13:07,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 122 states, 99 states have (on average 1.202020202020202) internal successors, (119), 106 states have internal predecessors, (119), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2024-10-13 13:13:07,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 161 transitions. [2024-10-13 13:13:07,406 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 161 transitions. Word has length 70 [2024-10-13 13:13:07,406 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:13:07,406 INFO L471 AbstractCegarLoop]: Abstraction has 122 states and 161 transitions. [2024-10-13 13:13:07,407 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 4.571428571428571) internal successors, (32), 8 states have internal predecessors, (32), 3 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) [2024-10-13 13:13:07,407 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 161 transitions. [2024-10-13 13:13:07,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2024-10-13 13:13:07,408 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:13:07,408 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:13:07,408 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-10-13 13:13:07,408 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-10-13 13:13:07,408 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:13:07,409 INFO L85 PathProgramCache]: Analyzing trace with hash -1530912090, now seen corresponding path program 1 times [2024-10-13 13:13:07,409 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:13:07,409 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1799149810] [2024-10-13 13:13:07,409 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:13:07,409 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:13:07,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:13:07,597 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-13 13:13:07,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:13:07,602 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 13:13:07,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:13:07,604 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-13 13:13:07,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:13:07,607 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-13 13:13:07,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:13:07,610 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-13 13:13:07,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:13:07,612 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-13 13:13:07,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:13:07,613 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-10-13 13:13:07,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:13:07,615 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-10-13 13:13:07,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:13:07,616 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 19 proven. 30 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-10-13 13:13:07,617 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:13:07,617 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1799149810] [2024-10-13 13:13:07,617 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1799149810] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 13:13:07,617 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2127370319] [2024-10-13 13:13:07,617 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:13:07,617 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:13:07,618 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:13:07,619 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 13:13:07,621 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-10-13 13:13:07,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:13:07,669 INFO L255 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-10-13 13:13:07,671 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:13:07,815 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 95 proven. 12 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2024-10-13 13:13:07,815 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 13:13:07,968 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 31 proven. 12 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2024-10-13 13:13:07,968 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2127370319] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-13 13:13:07,968 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-13 13:13:07,969 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 11, 11] total 22 [2024-10-13 13:13:07,969 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1100966300] [2024-10-13 13:13:07,969 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-13 13:13:07,969 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2024-10-13 13:13:07,969 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:13:07,970 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2024-10-13 13:13:07,970 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=392, Unknown=0, NotChecked=0, Total=462 [2024-10-13 13:13:07,970 INFO L87 Difference]: Start difference. First operand 122 states and 161 transitions. Second operand has 22 states, 22 states have (on average 2.8181818181818183) internal successors, (62), 22 states have internal predecessors, (62), 6 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 6 states have call predecessors, (14), 6 states have call successors, (14) [2024-10-13 13:13:08,254 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:13:08,254 INFO L93 Difference]: Finished difference Result 234 states and 310 transitions. [2024-10-13 13:13:08,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-10-13 13:13:08,255 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 2.8181818181818183) internal successors, (62), 22 states have internal predecessors, (62), 6 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 6 states have call predecessors, (14), 6 states have call successors, (14) Word has length 73 [2024-10-13 13:13:08,255 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:13:08,256 INFO L225 Difference]: With dead ends: 234 [2024-10-13 13:13:08,256 INFO L226 Difference]: Without dead ends: 182 [2024-10-13 13:13:08,257 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 175 GetRequests, 146 SyntacticMatches, 8 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 288 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=79, Invalid=427, Unknown=0, NotChecked=0, Total=506 [2024-10-13 13:13:08,258 INFO L432 NwaCegarLoop]: 17 mSDtfsCounter, 119 mSDsluCounter, 184 mSDsCounter, 0 mSdLazyCounter, 365 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 132 SdHoareTripleChecker+Valid, 201 SdHoareTripleChecker+Invalid, 372 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 365 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-13 13:13:08,258 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [132 Valid, 201 Invalid, 372 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 365 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-13 13:13:08,258 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 182 states. [2024-10-13 13:13:08,295 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 182 to 153. [2024-10-13 13:13:08,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 153 states, 124 states have (on average 1.1935483870967742) internal successors, (148), 133 states have internal predecessors, (148), 27 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-10-13 13:13:08,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 153 states and 202 transitions. [2024-10-13 13:13:08,296 INFO L78 Accepts]: Start accepts. Automaton has 153 states and 202 transitions. Word has length 73 [2024-10-13 13:13:08,297 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:13:08,297 INFO L471 AbstractCegarLoop]: Abstraction has 153 states and 202 transitions. [2024-10-13 13:13:08,297 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 2.8181818181818183) internal successors, (62), 22 states have internal predecessors, (62), 6 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 6 states have call predecessors, (14), 6 states have call successors, (14) [2024-10-13 13:13:08,297 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 202 transitions. [2024-10-13 13:13:08,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2024-10-13 13:13:08,298 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:13:08,298 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 5, 5, 5, 5, 5, 5, 5, 5, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:13:08,316 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2024-10-13 13:13:08,499 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,SelfDestructingSolverStorable23 [2024-10-13 13:13:08,499 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-10-13 13:13:08,499 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:13:08,500 INFO L85 PathProgramCache]: Analyzing trace with hash -2130800434, now seen corresponding path program 2 times [2024-10-13 13:13:08,500 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:13:08,500 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [261677048] [2024-10-13 13:13:08,500 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:13:08,500 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:13:08,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:13:08,608 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-13 13:13:08,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:13:08,613 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 13:13:08,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:13:08,616 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-13 13:13:08,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:13:08,619 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-13 13:13:08,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:13:08,624 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-13 13:13:08,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:13:08,626 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-13 13:13:08,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:13:08,628 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-10-13 13:13:08,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:13:08,633 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-10-13 13:13:08,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:13:08,635 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-10-13 13:13:08,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:13:08,640 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-13 13:13:08,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:13:08,643 INFO L134 CoverageAnalysis]: Checked inductivity of 258 backedges. 0 proven. 54 refuted. 0 times theorem prover too weak. 204 trivial. 0 not checked. [2024-10-13 13:13:08,644 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:13:08,644 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [261677048] [2024-10-13 13:13:08,644 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [261677048] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 13:13:08,644 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1508750879] [2024-10-13 13:13:08,644 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-13 13:13:08,644 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:13:08,645 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:13:08,646 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 13:13:08,648 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-10-13 13:13:08,701 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-10-13 13:13:08,701 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-13 13:13:08,702 INFO L255 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-13 13:13:08,703 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:13:08,782 INFO L134 CoverageAnalysis]: Checked inductivity of 258 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 234 trivial. 0 not checked. [2024-10-13 13:13:08,783 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 13:13:08,896 INFO L134 CoverageAnalysis]: Checked inductivity of 258 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 234 trivial. 0 not checked. [2024-10-13 13:13:08,897 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1508750879] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-13 13:13:08,897 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-13 13:13:08,897 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 4, 4] total 14 [2024-10-13 13:13:08,897 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [557536895] [2024-10-13 13:13:08,897 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-13 13:13:08,898 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-10-13 13:13:08,898 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:13:08,899 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-10-13 13:13:08,899 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=169, Unknown=0, NotChecked=0, Total=210 [2024-10-13 13:13:08,899 INFO L87 Difference]: Start difference. First operand 153 states and 202 transitions. Second operand has 15 states, 14 states have (on average 4.928571428571429) internal successors, (69), 15 states have internal predecessors, (69), 7 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 7 states have call predecessors, (14), 7 states have call successors, (14) [2024-10-13 13:13:09,299 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:13:09,300 INFO L93 Difference]: Finished difference Result 221 states and 295 transitions. [2024-10-13 13:13:09,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-10-13 13:13:09,304 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 4.928571428571429) internal successors, (69), 15 states have internal predecessors, (69), 7 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 7 states have call predecessors, (14), 7 states have call successors, (14) Word has length 88 [2024-10-13 13:13:09,304 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:13:09,305 INFO L225 Difference]: With dead ends: 221 [2024-10-13 13:13:09,305 INFO L226 Difference]: Without dead ends: 0 [2024-10-13 13:13:09,306 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 222 GetRequests, 189 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 209 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=266, Invalid=924, Unknown=0, NotChecked=0, Total=1190 [2024-10-13 13:13:09,306 INFO L432 NwaCegarLoop]: 13 mSDtfsCounter, 338 mSDsluCounter, 82 mSDsCounter, 0 mSdLazyCounter, 149 mSolverCounterSat, 55 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 338 SdHoareTripleChecker+Valid, 95 SdHoareTripleChecker+Invalid, 204 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 55 IncrementalHoareTripleChecker+Valid, 149 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-13 13:13:09,307 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [338 Valid, 95 Invalid, 204 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [55 Valid, 149 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-13 13:13:09,307 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-10-13 13:13:09,307 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-10-13 13:13:09,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 13:13:09,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-10-13 13:13:09,310 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 88 [2024-10-13 13:13:09,310 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:13:09,311 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-10-13 13:13:09,311 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 4.928571428571429) internal successors, (69), 15 states have internal predecessors, (69), 7 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 7 states have call predecessors, (14), 7 states have call successors, (14) [2024-10-13 13:13:09,311 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-10-13 13:13:09,312 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-10-13 13:13:09,314 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 10 remaining) [2024-10-13 13:13:09,315 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 10 remaining) [2024-10-13 13:13:09,315 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 10 remaining) [2024-10-13 13:13:09,315 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 10 remaining) [2024-10-13 13:13:09,316 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 10 remaining) [2024-10-13 13:13:09,316 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 10 remaining) [2024-10-13 13:13:09,316 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 10 remaining) [2024-10-13 13:13:09,316 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 10 remaining) [2024-10-13 13:13:09,317 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 10 remaining) [2024-10-13 13:13:09,317 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 10 remaining) [2024-10-13 13:13:09,334 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2024-10-13 13:13:09,518 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,SelfDestructingSolverStorable24 [2024-10-13 13:13:09,521 INFO L407 BasicCegarLoop]: Path program histogram: [3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:13:09,522 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-10-13 13:14:01,158 WARN L286 SmtUtils]: Spent 51.06s on a formula simplification. DAG size of input: 275 DAG size of output: 262 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.or)