./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/nla-digbench-scaling/egcd2-ll_unwindbound100.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 3289d67d Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/nla-digbench-scaling/egcd2-ll_unwindbound100.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 30672bd579b7f25ffa685cb80d8a419cb542781c19afe0226ba5d9d3cf26984c --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-17 04:25:26,924 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-17 04:25:26,996 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-17 04:25:27,002 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-17 04:25:27,003 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-17 04:25:27,035 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-17 04:25:27,036 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-17 04:25:27,037 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-17 04:25:27,037 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-17 04:25:27,039 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-17 04:25:27,040 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-17 04:25:27,040 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-17 04:25:27,040 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-17 04:25:27,042 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-17 04:25:27,043 INFO L153 SettingsManager]: * Use SBE=true [2024-11-17 04:25:27,043 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-17 04:25:27,043 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-17 04:25:27,043 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-17 04:25:27,044 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-17 04:25:27,044 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-17 04:25:27,044 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-17 04:25:27,044 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-17 04:25:27,045 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-17 04:25:27,045 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-17 04:25:27,045 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-17 04:25:27,046 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-17 04:25:27,046 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-17 04:25:27,046 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-17 04:25:27,046 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-17 04:25:27,047 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-17 04:25:27,047 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-17 04:25:27,047 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-17 04:25:27,047 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-17 04:25:27,048 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-17 04:25:27,048 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-17 04:25:27,048 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-17 04:25:27,049 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-17 04:25:27,049 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-17 04:25:27,049 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-17 04:25:27,049 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-17 04:25:27,050 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-17 04:25:27,050 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-17 04:25:27,050 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-17 04:25:27,051 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-17 04:25:27,051 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 30672bd579b7f25ffa685cb80d8a419cb542781c19afe0226ba5d9d3cf26984c [2024-11-17 04:25:27,328 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-17 04:25:27,357 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-17 04:25:27,359 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-17 04:25:27,360 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-17 04:25:27,361 INFO L274 PluginConnector]: CDTParser initialized [2024-11-17 04:25:27,363 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench-scaling/egcd2-ll_unwindbound100.c [2024-11-17 04:25:28,757 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-17 04:25:28,948 INFO L384 CDTParser]: Found 1 translation units. [2024-11-17 04:25:28,949 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/egcd2-ll_unwindbound100.c [2024-11-17 04:25:28,957 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5a4f38089/5f3295d0c8244605bc464ea8bbdd489c/FLAG402b6b3e3 [2024-11-17 04:25:29,333 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5a4f38089/5f3295d0c8244605bc464ea8bbdd489c [2024-11-17 04:25:29,335 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-17 04:25:29,336 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-17 04:25:29,337 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-17 04:25:29,338 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-17 04:25:29,342 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-17 04:25:29,343 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 04:25:29" (1/1) ... [2024-11-17 04:25:29,343 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6063eab1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:25:29, skipping insertion in model container [2024-11-17 04:25:29,344 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 04:25:29" (1/1) ... [2024-11-17 04:25:29,363 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-17 04:25:29,580 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-17 04:25:29,594 INFO L200 MainTranslator]: Completed pre-run [2024-11-17 04:25:29,625 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-17 04:25:29,646 INFO L204 MainTranslator]: Completed translation [2024-11-17 04:25:29,647 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:25:29 WrapperNode [2024-11-17 04:25:29,647 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-17 04:25:29,648 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-17 04:25:29,648 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-17 04:25:29,648 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-17 04:25:29,656 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:25:29" (1/1) ... [2024-11-17 04:25:29,665 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:25:29" (1/1) ... [2024-11-17 04:25:29,691 INFO L138 Inliner]: procedures = 14, calls = 18, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 158 [2024-11-17 04:25:29,691 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-17 04:25:29,692 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-17 04:25:29,692 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-17 04:25:29,692 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-17 04:25:29,704 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:25:29" (1/1) ... [2024-11-17 04:25:29,704 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:25:29" (1/1) ... [2024-11-17 04:25:29,707 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:25:29" (1/1) ... [2024-11-17 04:25:29,723 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-17 04:25:29,723 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:25:29" (1/1) ... [2024-11-17 04:25:29,723 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:25:29" (1/1) ... [2024-11-17 04:25:29,728 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:25:29" (1/1) ... [2024-11-17 04:25:29,728 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:25:29" (1/1) ... [2024-11-17 04:25:29,729 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:25:29" (1/1) ... [2024-11-17 04:25:29,730 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:25:29" (1/1) ... [2024-11-17 04:25:29,732 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-17 04:25:29,733 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-17 04:25:29,733 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-17 04:25:29,733 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-17 04:25:29,734 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:25:29" (1/1) ... [2024-11-17 04:25:29,744 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-17 04:25:29,756 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:25:29,773 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-17 04:25:29,781 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-17 04:25:29,831 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-17 04:25:29,832 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-17 04:25:29,832 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-17 04:25:29,832 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-17 04:25:29,832 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-17 04:25:29,832 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-17 04:25:29,832 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-17 04:25:29,832 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-17 04:25:29,906 INFO L256 CfgBuilder]: Building ICFG [2024-11-17 04:25:29,909 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-17 04:25:30,953 INFO L? ?]: Removed 200 outVars from TransFormulas that were not future-live. [2024-11-17 04:25:30,954 INFO L307 CfgBuilder]: Performing block encoding [2024-11-17 04:25:30,978 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-17 04:25:30,978 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-17 04:25:30,979 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 04:25:30 BoogieIcfgContainer [2024-11-17 04:25:30,980 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-17 04:25:30,982 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-17 04:25:30,983 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-17 04:25:30,986 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-17 04:25:30,986 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.11 04:25:29" (1/3) ... [2024-11-17 04:25:30,987 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11f6205d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 04:25:30, skipping insertion in model container [2024-11-17 04:25:30,988 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:25:29" (2/3) ... [2024-11-17 04:25:30,989 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11f6205d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 04:25:30, skipping insertion in model container [2024-11-17 04:25:30,989 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 04:25:30" (3/3) ... [2024-11-17 04:25:30,990 INFO L112 eAbstractionObserver]: Analyzing ICFG egcd2-ll_unwindbound100.c [2024-11-17 04:25:31,010 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-17 04:25:31,010 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 68 error locations. [2024-11-17 04:25:31,064 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-17 04:25:31,070 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;@59f620cf, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-17 04:25:31,071 INFO L334 AbstractCegarLoop]: Starting to check reachability of 68 error locations. [2024-11-17 04:25:31,074 INFO L276 IsEmpty]: Start isEmpty. Operand has 178 states, 97 states have (on average 1.7835051546391754) internal successors, (173), 166 states have internal predecessors, (173), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-17 04:25:31,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-17 04:25:31,096 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:25:31,097 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:25:31,097 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr67ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-11-17 04:25:31,104 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:25:31,104 INFO L85 PathProgramCache]: Analyzing trace with hash 2060464955, now seen corresponding path program 1 times [2024-11-17 04:25:31,124 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:25:31,124 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1341572962] [2024-11-17 04:25:31,124 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:25:31,125 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:25:31,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:25:31,276 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-17 04:25:31,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:25:31,287 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-17 04:25:31,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:25:31,300 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-17 04:25:31,301 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:25:31,301 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1341572962] [2024-11-17 04:25:31,302 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1341572962] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:25:31,302 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:25:31,302 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-17 04:25:31,304 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [16873511] [2024-11-17 04:25:31,306 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:25:31,310 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-17 04:25:31,311 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:25:31,328 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-17 04:25:31,328 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-17 04:25:31,330 INFO L87 Difference]: Start difference. First operand has 178 states, 97 states have (on average 1.7835051546391754) internal successors, (173), 166 states have internal predecessors, (173), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) Second operand has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-17 04:25:31,367 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:25:31,367 INFO L93 Difference]: Finished difference Result 351 states and 391 transitions. [2024-11-17 04:25:31,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-17 04:25:31,369 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 14 [2024-11-17 04:25:31,369 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:25:31,376 INFO L225 Difference]: With dead ends: 351 [2024-11-17 04:25:31,377 INFO L226 Difference]: Without dead ends: 170 [2024-11-17 04:25:31,380 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-17 04:25:31,384 INFO L432 NwaCegarLoop]: 187 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 187 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-17 04:25:31,385 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 187 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-17 04:25:31,400 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 170 states. [2024-11-17 04:25:31,422 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 170 to 170. [2024-11-17 04:25:31,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 170 states, 92 states have (on average 1.7608695652173914) internal successors, (162), 159 states have internal predecessors, (162), 9 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-17 04:25:31,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 170 states and 180 transitions. [2024-11-17 04:25:31,428 INFO L78 Accepts]: Start accepts. Automaton has 170 states and 180 transitions. Word has length 14 [2024-11-17 04:25:31,429 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:25:31,429 INFO L471 AbstractCegarLoop]: Abstraction has 170 states and 180 transitions. [2024-11-17 04:25:31,429 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-17 04:25:31,429 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 180 transitions. [2024-11-17 04:25:31,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-17 04:25:31,430 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:25:31,430 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:25:31,430 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-17 04:25:31,430 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr67ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-11-17 04:25:31,431 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:25:31,431 INFO L85 PathProgramCache]: Analyzing trace with hash 1864874971, now seen corresponding path program 1 times [2024-11-17 04:25:31,431 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:25:31,431 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1109476740] [2024-11-17 04:25:31,431 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:25:31,432 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:25:31,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:25:31,467 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1439668625] [2024-11-17 04:25:31,467 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:25:31,467 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:25:31,468 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:25:31,469 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 04:25:31,472 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-17 04:25:31,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:25:31,536 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-17 04:25:31,542 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:25:31,683 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-17 04:25:31,684 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 04:25:31,684 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:25:31,684 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1109476740] [2024-11-17 04:25:31,685 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:25:31,685 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1439668625] [2024-11-17 04:25:31,686 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1439668625] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:25:31,686 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:25:31,686 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-17 04:25:31,687 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [857199069] [2024-11-17 04:25:31,687 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:25:31,689 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-17 04:25:31,689 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:25:31,690 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-17 04:25:31,690 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-11-17 04:25:31,690 INFO L87 Difference]: Start difference. First operand 170 states and 180 transitions. Second operand has 7 states, 4 states have (on average 1.75) internal successors, (7), 6 states have internal predecessors, (7), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-17 04:25:32,134 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:25:32,135 INFO L93 Difference]: Finished difference Result 170 states and 180 transitions. [2024-11-17 04:25:32,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-17 04:25:32,136 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 4 states have (on average 1.75) internal successors, (7), 6 states have internal predecessors, (7), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 14 [2024-11-17 04:25:32,137 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:25:32,138 INFO L225 Difference]: With dead ends: 170 [2024-11-17 04:25:32,138 INFO L226 Difference]: Without dead ends: 169 [2024-11-17 04:25:32,139 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-11-17 04:25:32,140 INFO L432 NwaCegarLoop]: 90 mSDtfsCounter, 237 mSDsluCounter, 199 mSDsCounter, 0 mSdLazyCounter, 346 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 244 SdHoareTripleChecker+Valid, 289 SdHoareTripleChecker+Invalid, 353 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 346 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-17 04:25:32,140 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [244 Valid, 289 Invalid, 353 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 346 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-17 04:25:32,141 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 169 states. [2024-11-17 04:25:32,150 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 169 to 169. [2024-11-17 04:25:32,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 169 states, 92 states have (on average 1.75) internal successors, (161), 158 states have internal predecessors, (161), 9 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-17 04:25:32,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 169 states and 179 transitions. [2024-11-17 04:25:32,152 INFO L78 Accepts]: Start accepts. Automaton has 169 states and 179 transitions. Word has length 14 [2024-11-17 04:25:32,153 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:25:32,154 INFO L471 AbstractCegarLoop]: Abstraction has 169 states and 179 transitions. [2024-11-17 04:25:32,154 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 4 states have (on average 1.75) internal successors, (7), 6 states have internal predecessors, (7), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-17 04:25:32,154 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 179 transitions. [2024-11-17 04:25:32,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-17 04:25:32,155 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:25:32,155 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:25:32,173 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-17 04:25:32,359 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:25:32,360 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr66ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-11-17 04:25:32,361 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:25:32,361 INFO L85 PathProgramCache]: Analyzing trace with hash 1976549389, now seen corresponding path program 1 times [2024-11-17 04:25:32,361 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:25:32,361 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [594408177] [2024-11-17 04:25:32,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:25:32,361 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:25:32,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:25:32,381 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1408420761] [2024-11-17 04:25:32,381 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:25:32,381 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:25:32,381 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:25:32,386 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 04:25:32,389 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-17 04:25:32,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:25:32,433 INFO L255 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-17 04:25:32,434 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:25:32,516 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-17 04:25:32,517 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:25:32,804 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-17 04:25:32,804 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:25:32,804 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [594408177] [2024-11-17 04:25:32,805 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:25:32,805 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1408420761] [2024-11-17 04:25:32,805 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1408420761] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 04:25:32,805 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-17 04:25:32,808 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2024-11-17 04:25:32,808 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [339360035] [2024-11-17 04:25:32,808 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-17 04:25:32,809 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-17 04:25:32,809 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:25:32,809 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-17 04:25:32,809 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2024-11-17 04:25:32,810 INFO L87 Difference]: Start difference. First operand 169 states and 179 transitions. Second operand has 9 states, 6 states have (on average 2.8333333333333335) internal successors, (17), 9 states have internal predecessors, (17), 4 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-17 04:25:33,472 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:25:33,472 INFO L93 Difference]: Finished difference Result 169 states and 179 transitions. [2024-11-17 04:25:33,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-17 04:25:33,474 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 6 states have (on average 2.8333333333333335) internal successors, (17), 9 states have internal predecessors, (17), 4 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 4 states have call successors, (4) Word has length 15 [2024-11-17 04:25:33,475 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:25:33,476 INFO L225 Difference]: With dead ends: 169 [2024-11-17 04:25:33,476 INFO L226 Difference]: Without dead ends: 168 [2024-11-17 04:25:33,476 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2024-11-17 04:25:33,477 INFO L432 NwaCegarLoop]: 90 mSDtfsCounter, 111 mSDsluCounter, 298 mSDsCounter, 0 mSdLazyCounter, 484 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 118 SdHoareTripleChecker+Valid, 388 SdHoareTripleChecker+Invalid, 485 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 484 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-17 04:25:33,477 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [118 Valid, 388 Invalid, 485 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 484 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-17 04:25:33,478 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 168 states. [2024-11-17 04:25:33,486 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 168 to 168. [2024-11-17 04:25:33,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 168 states, 92 states have (on average 1.7391304347826086) internal successors, (160), 157 states have internal predecessors, (160), 9 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-17 04:25:33,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 168 states and 178 transitions. [2024-11-17 04:25:33,488 INFO L78 Accepts]: Start accepts. Automaton has 168 states and 178 transitions. Word has length 15 [2024-11-17 04:25:33,488 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:25:33,489 INFO L471 AbstractCegarLoop]: Abstraction has 168 states and 178 transitions. [2024-11-17 04:25:33,489 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 6 states have (on average 2.8333333333333335) internal successors, (17), 9 states have internal predecessors, (17), 4 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-17 04:25:33,489 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 178 transitions. [2024-11-17 04:25:33,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-17 04:25:33,490 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:25:33,490 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:25:33,508 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-17 04:25:33,694 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,SelfDestructingSolverStorable2 [2024-11-17 04:25:33,695 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr64ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-11-17 04:25:33,695 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:25:33,696 INFO L85 PathProgramCache]: Analyzing trace with hash -618646472, now seen corresponding path program 1 times [2024-11-17 04:25:33,696 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:25:33,696 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1401594579] [2024-11-17 04:25:33,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:25:33,696 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:25:33,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:25:33,713 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [942923006] [2024-11-17 04:25:33,713 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:25:33,713 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:25:33,713 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:25:33,715 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 04:25:33,718 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-17 04:25:33,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:25:33,759 INFO L255 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-17 04:25:33,761 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:25:33,829 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-17 04:25:33,830 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 04:25:33,830 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:25:33,830 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1401594579] [2024-11-17 04:25:33,831 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:25:33,832 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [942923006] [2024-11-17 04:25:33,832 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [942923006] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:25:33,832 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:25:33,832 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-17 04:25:33,832 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [417485173] [2024-11-17 04:25:33,833 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:25:33,833 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-17 04:25:33,833 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:25:33,834 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-17 04:25:33,834 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-17 04:25:33,834 INFO L87 Difference]: Start difference. First operand 168 states and 178 transitions. Second operand has 6 states, 4 states have (on average 3.5) internal successors, (14), 6 states have internal predecessors, (14), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-17 04:25:34,089 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:25:34,090 INFO L93 Difference]: Finished difference Result 168 states and 178 transitions. [2024-11-17 04:25:34,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-17 04:25:34,091 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 4 states have (on average 3.5) internal successors, (14), 6 states have internal predecessors, (14), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 18 [2024-11-17 04:25:34,091 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:25:34,091 INFO L225 Difference]: With dead ends: 168 [2024-11-17 04:25:34,091 INFO L226 Difference]: Without dead ends: 167 [2024-11-17 04:25:34,092 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-17 04:25:34,093 INFO L432 NwaCegarLoop]: 114 mSDtfsCounter, 240 mSDsluCounter, 232 mSDsCounter, 0 mSdLazyCounter, 226 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 247 SdHoareTripleChecker+Valid, 346 SdHoareTripleChecker+Invalid, 233 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 226 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-17 04:25:34,093 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [247 Valid, 346 Invalid, 233 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 226 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-17 04:25:34,094 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 167 states. [2024-11-17 04:25:34,107 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 167 to 167. [2024-11-17 04:25:34,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 167 states, 92 states have (on average 1.7282608695652173) internal successors, (159), 156 states have internal predecessors, (159), 9 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-17 04:25:34,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 167 states and 177 transitions. [2024-11-17 04:25:34,109 INFO L78 Accepts]: Start accepts. Automaton has 167 states and 177 transitions. Word has length 18 [2024-11-17 04:25:34,109 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:25:34,110 INFO L471 AbstractCegarLoop]: Abstraction has 167 states and 177 transitions. [2024-11-17 04:25:34,110 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 4 states have (on average 3.5) internal successors, (14), 6 states have internal predecessors, (14), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-17 04:25:34,111 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 177 transitions. [2024-11-17 04:25:34,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-17 04:25:34,113 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:25:34,114 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:25:34,133 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-17 04:25:34,314 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:25:34,314 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr63ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-11-17 04:25:34,315 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:25:34,315 INFO L85 PathProgramCache]: Analyzing trace with hash -1367586460, now seen corresponding path program 1 times [2024-11-17 04:25:34,315 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:25:34,316 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1199705481] [2024-11-17 04:25:34,316 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:25:34,316 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:25:34,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:25:34,427 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-17 04:25:34,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:25:34,435 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-17 04:25:34,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:25:34,442 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-17 04:25:34,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:25:34,449 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-17 04:25:34,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:25:34,455 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-17 04:25:34,456 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:25:34,456 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1199705481] [2024-11-17 04:25:34,456 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1199705481] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:25:34,456 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:25:34,456 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-17 04:25:34,457 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1435569999] [2024-11-17 04:25:34,457 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:25:34,457 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 04:25:34,457 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:25:34,458 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 04:25:34,458 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-17 04:25:34,458 INFO L87 Difference]: Start difference. First operand 167 states and 177 transitions. Second operand has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-17 04:25:34,507 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:25:34,508 INFO L93 Difference]: Finished difference Result 210 states and 221 transitions. [2024-11-17 04:25:34,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 04:25:34,513 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 31 [2024-11-17 04:25:34,513 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:25:34,514 INFO L225 Difference]: With dead ends: 210 [2024-11-17 04:25:34,514 INFO L226 Difference]: Without dead ends: 209 [2024-11-17 04:25:34,515 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-17 04:25:34,516 INFO L432 NwaCegarLoop]: 169 mSDtfsCounter, 51 mSDsluCounter, 320 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 51 SdHoareTripleChecker+Valid, 489 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-17 04:25:34,517 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [51 Valid, 489 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-17 04:25:34,518 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 209 states. [2024-11-17 04:25:34,531 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 209 to 184. [2024-11-17 04:25:34,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 184 states, 107 states have (on average 1.7102803738317758) internal successors, (183), 171 states have internal predecessors, (183), 10 states have call successors, (10), 3 states have call predecessors, (10), 3 states have return successors, (10), 9 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-17 04:25:34,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 184 states and 203 transitions. [2024-11-17 04:25:34,535 INFO L78 Accepts]: Start accepts. Automaton has 184 states and 203 transitions. Word has length 31 [2024-11-17 04:25:34,536 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:25:34,536 INFO L471 AbstractCegarLoop]: Abstraction has 184 states and 203 transitions. [2024-11-17 04:25:34,537 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-17 04:25:34,537 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 203 transitions. [2024-11-17 04:25:34,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-17 04:25:34,538 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:25:34,538 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:25:34,539 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-17 04:25:34,539 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr62ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-11-17 04:25:34,539 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:25:34,540 INFO L85 PathProgramCache]: Analyzing trace with hash 554492822, now seen corresponding path program 1 times [2024-11-17 04:25:34,540 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:25:34,540 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1148448678] [2024-11-17 04:25:34,540 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:25:34,540 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:25:34,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:25:34,637 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-17 04:25:34,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:25:34,645 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-17 04:25:34,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:25:34,652 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-17 04:25:34,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:25:34,657 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-17 04:25:34,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:25:34,671 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-17 04:25:34,673 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:25:34,673 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1148448678] [2024-11-17 04:25:34,673 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1148448678] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:25:34,673 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:25:34,673 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-17 04:25:34,674 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [462465296] [2024-11-17 04:25:34,674 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:25:34,674 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 04:25:34,675 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:25:34,678 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 04:25:34,679 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-17 04:25:34,679 INFO L87 Difference]: Start difference. First operand 184 states and 203 transitions. Second operand has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-17 04:25:34,713 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:25:34,713 INFO L93 Difference]: Finished difference Result 214 states and 231 transitions. [2024-11-17 04:25:34,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-17 04:25:34,714 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 32 [2024-11-17 04:25:34,714 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:25:34,717 INFO L225 Difference]: With dead ends: 214 [2024-11-17 04:25:34,718 INFO L226 Difference]: Without dead ends: 184 [2024-11-17 04:25:34,719 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-17 04:25:34,721 INFO L432 NwaCegarLoop]: 172 mSDtfsCounter, 12 mSDsluCounter, 320 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 492 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-17 04:25:34,721 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 492 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-17 04:25:34,722 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 184 states. [2024-11-17 04:25:34,735 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 184 to 184. [2024-11-17 04:25:34,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 184 states, 107 states have (on average 1.691588785046729) internal successors, (181), 171 states have internal predecessors, (181), 10 states have call successors, (10), 3 states have call predecessors, (10), 3 states have return successors, (10), 9 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-17 04:25:34,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 184 states and 201 transitions. [2024-11-17 04:25:34,738 INFO L78 Accepts]: Start accepts. Automaton has 184 states and 201 transitions. Word has length 32 [2024-11-17 04:25:34,738 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:25:34,738 INFO L471 AbstractCegarLoop]: Abstraction has 184 states and 201 transitions. [2024-11-17 04:25:34,739 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-17 04:25:34,739 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 201 transitions. [2024-11-17 04:25:34,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-17 04:25:34,741 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:25:34,741 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:25:34,741 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-17 04:25:34,741 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-11-17 04:25:34,742 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:25:34,742 INFO L85 PathProgramCache]: Analyzing trace with hash 1113455102, now seen corresponding path program 1 times [2024-11-17 04:25:34,742 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:25:34,742 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [209096925] [2024-11-17 04:25:34,742 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:25:34,743 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:25:34,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:25:34,890 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-17 04:25:34,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:25:34,893 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-17 04:25:34,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:25:34,924 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-17 04:25:34,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:25:34,931 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-17 04:25:34,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:25:34,939 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-17 04:25:34,940 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:25:34,940 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [209096925] [2024-11-17 04:25:34,940 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [209096925] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:25:34,940 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1640990076] [2024-11-17 04:25:34,940 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:25:34,940 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:25:34,941 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:25:34,944 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 04:25:34,946 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-17 04:25:34,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:25:34,991 INFO L255 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-17 04:25:34,992 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:25:35,027 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-17 04:25:35,027 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 04:25:35,028 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1640990076] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:25:35,028 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-17 04:25:35,028 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [7] total 8 [2024-11-17 04:25:35,028 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1872350314] [2024-11-17 04:25:35,028 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:25:35,029 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-17 04:25:35,029 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:25:35,029 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-17 04:25:35,030 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-17 04:25:35,030 INFO L87 Difference]: Start difference. First operand 184 states and 201 transitions. Second operand has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 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) [2024-11-17 04:25:35,479 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:25:35,480 INFO L93 Difference]: Finished difference Result 290 states and 322 transitions. [2024-11-17 04:25:35,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-17 04:25:35,480 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 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 36 [2024-11-17 04:25:35,481 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:25:35,482 INFO L225 Difference]: With dead ends: 290 [2024-11-17 04:25:35,482 INFO L226 Difference]: Without dead ends: 280 [2024-11-17 04:25:35,483 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-17 04:25:35,483 INFO L432 NwaCegarLoop]: 133 mSDtfsCounter, 99 mSDsluCounter, 113 mSDsCounter, 0 mSdLazyCounter, 99 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 104 SdHoareTripleChecker+Valid, 246 SdHoareTripleChecker+Invalid, 108 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 99 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-17 04:25:35,484 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [104 Valid, 246 Invalid, 108 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 99 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-17 04:25:35,485 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 280 states. [2024-11-17 04:25:35,492 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 280 to 239. [2024-11-17 04:25:35,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 239 states, 158 states have (on average 1.6962025316455696) internal successors, (268), 222 states have internal predecessors, (268), 14 states have call successors, (14), 3 states have call predecessors, (14), 3 states have return successors, (14), 13 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-17 04:25:35,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 239 states and 296 transitions. [2024-11-17 04:25:35,494 INFO L78 Accepts]: Start accepts. Automaton has 239 states and 296 transitions. Word has length 36 [2024-11-17 04:25:35,494 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:25:35,495 INFO L471 AbstractCegarLoop]: Abstraction has 239 states and 296 transitions. [2024-11-17 04:25:35,495 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 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) [2024-11-17 04:25:35,495 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 296 transitions. [2024-11-17 04:25:35,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-11-17 04:25:35,496 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:25:35,496 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:25:35,513 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-17 04:25:35,696 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:25:35,696 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr61ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-11-17 04:25:35,697 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:25:35,697 INFO L85 PathProgramCache]: Analyzing trace with hash 157375423, now seen corresponding path program 1 times [2024-11-17 04:25:35,697 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:25:35,697 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1020147477] [2024-11-17 04:25:35,697 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:25:35,697 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:25:35,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:25:35,757 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-17 04:25:35,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:25:35,762 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-17 04:25:35,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:25:35,768 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-17 04:25:35,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:25:35,773 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-17 04:25:35,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:25:35,778 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-17 04:25:35,779 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:25:35,779 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1020147477] [2024-11-17 04:25:35,780 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1020147477] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:25:35,780 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:25:35,780 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-17 04:25:35,780 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [899016918] [2024-11-17 04:25:35,780 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:25:35,781 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-17 04:25:35,781 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:25:35,782 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-17 04:25:35,782 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-17 04:25:35,782 INFO L87 Difference]: Start difference. First operand 239 states and 296 transitions. Second operand has 6 states, 5 states have (on average 4.0) internal successors, (20), 6 states have internal predecessors, (20), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-17 04:25:35,892 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:25:35,893 INFO L93 Difference]: Finished difference Result 239 states and 296 transitions. [2024-11-17 04:25:35,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-17 04:25:35,894 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 4.0) internal successors, (20), 6 states have internal predecessors, (20), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 37 [2024-11-17 04:25:35,894 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:25:35,895 INFO L225 Difference]: With dead ends: 239 [2024-11-17 04:25:35,895 INFO L226 Difference]: Without dead ends: 237 [2024-11-17 04:25:35,896 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2024-11-17 04:25:35,897 INFO L432 NwaCegarLoop]: 161 mSDtfsCounter, 303 mSDsluCounter, 331 mSDsCounter, 0 mSdLazyCounter, 56 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 303 SdHoareTripleChecker+Valid, 492 SdHoareTripleChecker+Invalid, 69 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 56 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 04:25:35,897 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [303 Valid, 492 Invalid, 69 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 56 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 04:25:35,898 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 237 states. [2024-11-17 04:25:35,906 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 237 to 237. [2024-11-17 04:25:35,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 237 states, 158 states have (on average 1.6772151898734178) internal successors, (265), 220 states have internal predecessors, (265), 14 states have call successors, (14), 3 states have call predecessors, (14), 3 states have return successors, (14), 13 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-17 04:25:35,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 237 states and 293 transitions. [2024-11-17 04:25:35,909 INFO L78 Accepts]: Start accepts. Automaton has 237 states and 293 transitions. Word has length 37 [2024-11-17 04:25:35,909 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:25:35,909 INFO L471 AbstractCegarLoop]: Abstraction has 237 states and 293 transitions. [2024-11-17 04:25:35,910 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 4.0) internal successors, (20), 6 states have internal predecessors, (20), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-17 04:25:35,910 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 293 transitions. [2024-11-17 04:25:35,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-11-17 04:25:35,911 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:25:35,911 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:25:35,911 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-17 04:25:35,912 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-11-17 04:25:35,912 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:25:35,914 INFO L85 PathProgramCache]: Analyzing trace with hash 583496156, now seen corresponding path program 1 times [2024-11-17 04:25:35,914 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:25:35,914 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [890702541] [2024-11-17 04:25:35,914 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:25:35,914 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:25:35,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:25:36,004 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-17 04:25:36,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:25:36,007 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-17 04:25:36,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:25:36,026 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-17 04:25:36,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:25:36,030 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-17 04:25:36,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:25:36,034 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-17 04:25:36,034 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:25:36,034 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [890702541] [2024-11-17 04:25:36,035 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [890702541] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:25:36,035 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [979786030] [2024-11-17 04:25:36,035 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:25:36,035 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:25:36,035 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:25:36,037 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 04:25:36,038 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-17 04:25:36,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:25:36,085 INFO L255 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-17 04:25:36,086 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:25:36,195 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-17 04:25:36,195 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 04:25:36,195 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [979786030] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:25:36,196 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-17 04:25:36,196 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2024-11-17 04:25:36,196 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [458511552] [2024-11-17 04:25:36,196 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:25:36,196 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 04:25:36,196 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:25:36,197 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 04:25:36,197 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-11-17 04:25:36,197 INFO L87 Difference]: Start difference. First operand 237 states and 293 transitions. Second operand has 4 states, 3 states have (on average 7.0) internal successors, (21), 4 states have internal predecessors, (21), 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) [2024-11-17 04:25:36,652 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:25:36,652 INFO L93 Difference]: Finished difference Result 269 states and 318 transitions. [2024-11-17 04:25:36,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 04:25:36,653 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.0) internal successors, (21), 4 states have internal predecessors, (21), 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 38 [2024-11-17 04:25:36,653 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:25:36,655 INFO L225 Difference]: With dead ends: 269 [2024-11-17 04:25:36,655 INFO L226 Difference]: Without dead ends: 266 [2024-11-17 04:25:36,655 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-11-17 04:25:36,656 INFO L432 NwaCegarLoop]: 95 mSDtfsCounter, 212 mSDsluCounter, 101 mSDsCounter, 0 mSdLazyCounter, 187 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 222 SdHoareTripleChecker+Valid, 196 SdHoareTripleChecker+Invalid, 189 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 187 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-17 04:25:36,656 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [222 Valid, 196 Invalid, 189 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 187 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-17 04:25:36,657 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 266 states. [2024-11-17 04:25:36,665 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 266 to 237. [2024-11-17 04:25:36,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 237 states, 158 states have (on average 1.6582278481012658) internal successors, (262), 220 states have internal predecessors, (262), 14 states have call successors, (14), 3 states have call predecessors, (14), 3 states have return successors, (14), 13 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-17 04:25:36,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 237 states and 290 transitions. [2024-11-17 04:25:36,667 INFO L78 Accepts]: Start accepts. Automaton has 237 states and 290 transitions. Word has length 38 [2024-11-17 04:25:36,667 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:25:36,667 INFO L471 AbstractCegarLoop]: Abstraction has 237 states and 290 transitions. [2024-11-17 04:25:36,668 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.0) internal successors, (21), 4 states have internal predecessors, (21), 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) [2024-11-17 04:25:36,668 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 290 transitions. [2024-11-17 04:25:36,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-11-17 04:25:36,668 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:25:36,669 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:25:36,686 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-17 04:25:36,869 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:25:36,870 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr60ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-11-17 04:25:36,870 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:25:36,870 INFO L85 PathProgramCache]: Analyzing trace with hash 583670926, now seen corresponding path program 1 times [2024-11-17 04:25:36,870 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:25:36,870 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1822345360] [2024-11-17 04:25:36,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:25:36,871 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:25:36,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:25:36,925 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-17 04:25:36,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:25:36,928 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-17 04:25:36,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:25:36,931 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-17 04:25:36,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:25:36,934 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-17 04:25:36,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:25:36,936 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-17 04:25:36,937 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:25:36,937 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1822345360] [2024-11-17 04:25:36,937 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1822345360] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:25:36,937 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:25:36,937 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-17 04:25:36,937 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1910228254] [2024-11-17 04:25:36,938 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:25:36,938 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-17 04:25:36,938 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:25:36,939 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-17 04:25:36,939 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-17 04:25:36,939 INFO L87 Difference]: Start difference. First operand 237 states and 290 transitions. Second operand has 6 states, 5 states have (on average 4.2) internal successors, (21), 6 states have internal predecessors, (21), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-17 04:25:37,002 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:25:37,002 INFO L93 Difference]: Finished difference Result 408 states and 466 transitions. [2024-11-17 04:25:37,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-17 04:25:37,003 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 4.2) internal successors, (21), 6 states have internal predecessors, (21), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 38 [2024-11-17 04:25:37,003 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:25:37,005 INFO L225 Difference]: With dead ends: 408 [2024-11-17 04:25:37,005 INFO L226 Difference]: Without dead ends: 257 [2024-11-17 04:25:37,006 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-11-17 04:25:37,006 INFO L432 NwaCegarLoop]: 165 mSDtfsCounter, 42 mSDsluCounter, 619 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 42 SdHoareTripleChecker+Valid, 784 SdHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-17 04:25:37,006 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [42 Valid, 784 Invalid, 52 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-17 04:25:37,007 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 257 states. [2024-11-17 04:25:37,028 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 257 to 242. [2024-11-17 04:25:37,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 242 states, 163 states have (on average 1.638036809815951) internal successors, (267), 225 states have internal predecessors, (267), 14 states have call successors, (14), 3 states have call predecessors, (14), 3 states have return successors, (14), 13 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-17 04:25:37,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 242 states and 295 transitions. [2024-11-17 04:25:37,030 INFO L78 Accepts]: Start accepts. Automaton has 242 states and 295 transitions. Word has length 38 [2024-11-17 04:25:37,031 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:25:37,031 INFO L471 AbstractCegarLoop]: Abstraction has 242 states and 295 transitions. [2024-11-17 04:25:37,031 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 4.2) internal successors, (21), 6 states have internal predecessors, (21), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-17 04:25:37,031 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 295 transitions. [2024-11-17 04:25:37,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-17 04:25:37,032 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:25:37,032 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:25:37,032 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-17 04:25:37,033 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-11-17 04:25:37,033 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:25:37,033 INFO L85 PathProgramCache]: Analyzing trace with hash 908511643, now seen corresponding path program 1 times [2024-11-17 04:25:37,033 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:25:37,033 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1739287435] [2024-11-17 04:25:37,033 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:25:37,033 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:25:37,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:25:37,097 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-17 04:25:37,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:25:37,100 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-17 04:25:37,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:25:37,118 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-17 04:25:37,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:25:37,122 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-17 04:25:37,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:25:37,126 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-17 04:25:37,126 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:25:37,126 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1739287435] [2024-11-17 04:25:37,126 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1739287435] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:25:37,126 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [171523800] [2024-11-17 04:25:37,126 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:25:37,127 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:25:37,127 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:25:37,128 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 04:25:37,130 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-17 04:25:37,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:25:37,176 INFO L255 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-17 04:25:37,177 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:25:37,254 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-17 04:25:37,255 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 04:25:37,255 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [171523800] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:25:37,255 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-17 04:25:37,255 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2024-11-17 04:25:37,255 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1575761609] [2024-11-17 04:25:37,255 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:25:37,256 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 04:25:37,256 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:25:37,256 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 04:25:37,257 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-11-17 04:25:37,257 INFO L87 Difference]: Start difference. First operand 242 states and 295 transitions. Second operand has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 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) [2024-11-17 04:25:37,835 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:25:37,835 INFO L93 Difference]: Finished difference Result 256 states and 306 transitions. [2024-11-17 04:25:37,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 04:25:37,836 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 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 39 [2024-11-17 04:25:37,836 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:25:37,837 INFO L225 Difference]: With dead ends: 256 [2024-11-17 04:25:37,837 INFO L226 Difference]: Without dead ends: 255 [2024-11-17 04:25:37,838 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-11-17 04:25:37,838 INFO L432 NwaCegarLoop]: 92 mSDtfsCounter, 66 mSDsluCounter, 144 mSDsCounter, 0 mSdLazyCounter, 280 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 71 SdHoareTripleChecker+Valid, 236 SdHoareTripleChecker+Invalid, 280 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 280 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-17 04:25:37,839 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [71 Valid, 236 Invalid, 280 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 280 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-17 04:25:37,839 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 255 states. [2024-11-17 04:25:37,846 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 255 to 242. [2024-11-17 04:25:37,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 242 states, 163 states have (on average 1.6319018404907975) internal successors, (266), 225 states have internal predecessors, (266), 14 states have call successors, (14), 3 states have call predecessors, (14), 3 states have return successors, (14), 13 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-17 04:25:37,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 242 states and 294 transitions. [2024-11-17 04:25:37,848 INFO L78 Accepts]: Start accepts. Automaton has 242 states and 294 transitions. Word has length 39 [2024-11-17 04:25:37,849 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:25:37,849 INFO L471 AbstractCegarLoop]: Abstraction has 242 states and 294 transitions. [2024-11-17 04:25:37,849 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 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) [2024-11-17 04:25:37,849 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 294 transitions. [2024-11-17 04:25:37,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-17 04:25:37,851 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:25:37,852 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:25:37,868 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-11-17 04:25:38,052 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:25:38,053 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-11-17 04:25:38,053 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:25:38,054 INFO L85 PathProgramCache]: Analyzing trace with hash -1900910150, now seen corresponding path program 1 times [2024-11-17 04:25:38,054 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:25:38,054 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1726281935] [2024-11-17 04:25:38,054 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:25:38,054 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:25:38,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:25:38,108 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-17 04:25:38,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:25:38,110 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-17 04:25:38,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:25:38,126 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-17 04:25:38,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:25:38,129 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-17 04:25:38,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:25:38,133 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-17 04:25:38,133 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:25:38,133 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1726281935] [2024-11-17 04:25:38,133 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1726281935] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:25:38,133 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2112796847] [2024-11-17 04:25:38,133 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:25:38,134 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:25:38,134 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:25:38,136 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 04:25:38,137 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-17 04:25:38,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:25:38,183 INFO L255 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-17 04:25:38,184 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:25:38,231 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-17 04:25:38,232 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 04:25:38,232 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2112796847] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:25:38,232 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-17 04:25:38,232 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2024-11-17 04:25:38,232 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [152603487] [2024-11-17 04:25:38,233 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:25:38,233 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 04:25:38,233 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:25:38,233 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 04:25:38,234 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-17 04:25:38,235 INFO L87 Difference]: Start difference. First operand 242 states and 294 transitions. Second operand has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 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) [2024-11-17 04:25:39,528 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:25:39,529 INFO L93 Difference]: Finished difference Result 301 states and 337 transitions. [2024-11-17 04:25:39,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 04:25:39,529 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), 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 40 [2024-11-17 04:25:39,530 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:25:39,531 INFO L225 Difference]: With dead ends: 301 [2024-11-17 04:25:39,531 INFO L226 Difference]: Without dead ends: 299 [2024-11-17 04:25:39,531 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-17 04:25:39,532 INFO L432 NwaCegarLoop]: 133 mSDtfsCounter, 112 mSDsluCounter, 180 mSDsCounter, 0 mSdLazyCounter, 243 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 119 SdHoareTripleChecker+Valid, 313 SdHoareTripleChecker+Invalid, 245 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 243 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-17 04:25:39,532 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [119 Valid, 313 Invalid, 245 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 243 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-17 04:25:39,533 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 299 states. [2024-11-17 04:25:39,540 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 299 to 242. [2024-11-17 04:25:39,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 242 states, 163 states have (on average 1.6196319018404908) internal successors, (264), 225 states have internal predecessors, (264), 14 states have call successors, (14), 3 states have call predecessors, (14), 3 states have return successors, (14), 13 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-17 04:25:39,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 242 states and 292 transitions. [2024-11-17 04:25:39,541 INFO L78 Accepts]: Start accepts. Automaton has 242 states and 292 transitions. Word has length 40 [2024-11-17 04:25:39,542 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:25:39,542 INFO L471 AbstractCegarLoop]: Abstraction has 242 states and 292 transitions. [2024-11-17 04:25:39,542 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), 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) [2024-11-17 04:25:39,542 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 292 transitions. [2024-11-17 04:25:39,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-11-17 04:25:39,543 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:25:39,543 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:25:39,559 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-11-17 04:25:39,747 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:25:39,748 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-11-17 04:25:39,748 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:25:39,748 INFO L85 PathProgramCache]: Analyzing trace with hash 1201327481, now seen corresponding path program 1 times [2024-11-17 04:25:39,748 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:25:39,748 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [391348622] [2024-11-17 04:25:39,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:25:39,749 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:25:39,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:25:39,835 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-17 04:25:39,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:25:39,840 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-17 04:25:39,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:25:39,858 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-17 04:25:39,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:25:39,861 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-17 04:25:39,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:25:39,864 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-17 04:25:39,864 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:25:39,864 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [391348622] [2024-11-17 04:25:39,864 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [391348622] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:25:39,865 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [323335536] [2024-11-17 04:25:39,865 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:25:39,865 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:25:39,865 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:25:39,867 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 04:25:39,868 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-17 04:25:39,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:25:39,911 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-17 04:25:39,913 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:25:40,024 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-17 04:25:40,025 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 04:25:40,025 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [323335536] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:25:40,025 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-17 04:25:40,025 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2024-11-17 04:25:40,025 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1386289051] [2024-11-17 04:25:40,025 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:25:40,025 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 04:25:40,026 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:25:40,026 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 04:25:40,026 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-17 04:25:40,026 INFO L87 Difference]: Start difference. First operand 242 states and 292 transitions. Second operand has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 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) [2024-11-17 04:25:41,655 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:25:41,656 INFO L93 Difference]: Finished difference Result 303 states and 337 transitions. [2024-11-17 04:25:41,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 04:25:41,656 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 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 41 [2024-11-17 04:25:41,657 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:25:41,658 INFO L225 Difference]: With dead ends: 303 [2024-11-17 04:25:41,658 INFO L226 Difference]: Without dead ends: 299 [2024-11-17 04:25:41,658 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-17 04:25:41,659 INFO L432 NwaCegarLoop]: 139 mSDtfsCounter, 111 mSDsluCounter, 180 mSDsCounter, 0 mSdLazyCounter, 238 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 118 SdHoareTripleChecker+Valid, 319 SdHoareTripleChecker+Invalid, 242 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 238 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2024-11-17 04:25:41,659 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [118 Valid, 319 Invalid, 242 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 238 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-11-17 04:25:41,660 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 299 states. [2024-11-17 04:25:41,673 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 299 to 258. [2024-11-17 04:25:41,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 258 states, 177 states have (on average 1.6101694915254237) internal successors, (285), 239 states have internal predecessors, (285), 16 states have call successors, (16), 3 states have call predecessors, (16), 3 states have return successors, (16), 15 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-17 04:25:41,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 258 states and 317 transitions. [2024-11-17 04:25:41,675 INFO L78 Accepts]: Start accepts. Automaton has 258 states and 317 transitions. Word has length 41 [2024-11-17 04:25:41,675 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:25:41,675 INFO L471 AbstractCegarLoop]: Abstraction has 258 states and 317 transitions. [2024-11-17 04:25:41,676 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 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) [2024-11-17 04:25:41,676 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 317 transitions. [2024-11-17 04:25:41,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-11-17 04:25:41,677 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:25:41,677 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:25:41,695 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-11-17 04:25:41,881 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2024-11-17 04:25:41,882 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr59ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-11-17 04:25:41,882 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:25:41,882 INFO L85 PathProgramCache]: Analyzing trace with hash 2113049467, now seen corresponding path program 1 times [2024-11-17 04:25:41,882 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:25:41,882 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [988374856] [2024-11-17 04:25:41,882 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:25:41,882 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:25:41,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:25:41,891 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [210828067] [2024-11-17 04:25:41,891 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:25:41,891 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:25:41,891 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:25:41,893 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 04:25:41,896 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-17 04:25:41,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:25:41,943 INFO L255 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-17 04:25:41,944 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:25:41,957 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-17 04:25:41,958 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 04:25:41,958 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:25:41,958 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [988374856] [2024-11-17 04:25:41,958 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:25:41,958 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [210828067] [2024-11-17 04:25:41,959 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [210828067] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:25:41,959 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:25:41,959 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-17 04:25:41,959 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1249032572] [2024-11-17 04:25:41,959 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:25:41,960 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-17 04:25:41,960 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:25:41,961 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-17 04:25:41,961 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 04:25:41,961 INFO L87 Difference]: Start difference. First operand 258 states and 317 transitions. Second operand has 3 states, 2 states have (on average 12.0) internal successors, (24), 3 states have internal predecessors, (24), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-17 04:25:42,043 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:25:42,043 INFO L93 Difference]: Finished difference Result 398 states and 490 transitions. [2024-11-17 04:25:42,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-17 04:25:42,044 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 12.0) internal successors, (24), 3 states have internal predecessors, (24), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 41 [2024-11-17 04:25:42,044 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:25:42,047 INFO L225 Difference]: With dead ends: 398 [2024-11-17 04:25:42,047 INFO L226 Difference]: Without dead ends: 390 [2024-11-17 04:25:42,047 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 04:25:42,048 INFO L432 NwaCegarLoop]: 154 mSDtfsCounter, 89 mSDsluCounter, 142 mSDsCounter, 0 mSdLazyCounter, 55 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 93 SdHoareTripleChecker+Valid, 296 SdHoareTripleChecker+Invalid, 62 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 55 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 04:25:42,048 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [93 Valid, 296 Invalid, 62 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 55 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 04:25:42,049 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 390 states. [2024-11-17 04:25:42,064 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 390 to 347. [2024-11-17 04:25:42,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 347 states, 260 states have (on average 1.6307692307692307) internal successors, (424), 322 states have internal predecessors, (424), 22 states have call successors, (22), 3 states have call predecessors, (22), 3 states have return successors, (22), 21 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-17 04:25:42,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 347 states and 468 transitions. [2024-11-17 04:25:42,066 INFO L78 Accepts]: Start accepts. Automaton has 347 states and 468 transitions. Word has length 41 [2024-11-17 04:25:42,067 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:25:42,067 INFO L471 AbstractCegarLoop]: Abstraction has 347 states and 468 transitions. [2024-11-17 04:25:42,067 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 12.0) internal successors, (24), 3 states have internal predecessors, (24), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-17 04:25:42,067 INFO L276 IsEmpty]: Start isEmpty. Operand 347 states and 468 transitions. [2024-11-17 04:25:42,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-17 04:25:42,068 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:25:42,068 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:25:42,087 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-11-17 04:25:42,269 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2024-11-17 04:25:42,270 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr57ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-11-17 04:25:42,270 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:25:42,270 INFO L85 PathProgramCache]: Analyzing trace with hash -878989959, now seen corresponding path program 1 times [2024-11-17 04:25:42,270 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:25:42,271 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [163151424] [2024-11-17 04:25:42,271 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:25:42,271 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:25:42,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:25:42,374 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-17 04:25:42,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:25:42,399 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-17 04:25:42,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:25:42,403 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-17 04:25:42,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:25:42,406 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-17 04:25:42,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:25:42,410 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-17 04:25:42,411 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:25:42,411 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [163151424] [2024-11-17 04:25:42,411 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [163151424] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:25:42,411 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [451646799] [2024-11-17 04:25:42,411 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:25:42,412 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:25:42,412 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:25:42,414 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 04:25:42,416 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-17 04:25:42,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:25:42,463 INFO L255 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-17 04:25:42,465 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:25:42,553 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-17 04:25:42,553 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 04:25:42,553 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [451646799] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:25:42,553 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-17 04:25:42,553 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [8] total 11 [2024-11-17 04:25:42,554 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [571181524] [2024-11-17 04:25:42,554 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:25:42,554 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-17 04:25:42,554 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:25:42,554 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-17 04:25:42,555 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2024-11-17 04:25:42,555 INFO L87 Difference]: Start difference. First operand 347 states and 468 transitions. Second operand has 5 states, 4 states have (on average 6.5) internal successors, (26), 5 states have internal predecessors, (26), 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) [2024-11-17 04:25:43,355 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:25:43,355 INFO L93 Difference]: Finished difference Result 411 states and 480 transitions. [2024-11-17 04:25:43,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-17 04:25:43,356 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 6.5) internal successors, (26), 5 states have internal predecessors, (26), 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 43 [2024-11-17 04:25:43,356 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:25:43,357 INFO L225 Difference]: With dead ends: 411 [2024-11-17 04:25:43,357 INFO L226 Difference]: Without dead ends: 410 [2024-11-17 04:25:43,358 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=164, Unknown=0, NotChecked=0, Total=210 [2024-11-17 04:25:43,358 INFO L432 NwaCegarLoop]: 106 mSDtfsCounter, 490 mSDsluCounter, 208 mSDsCounter, 0 mSdLazyCounter, 249 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 495 SdHoareTripleChecker+Valid, 314 SdHoareTripleChecker+Invalid, 272 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 249 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-17 04:25:43,358 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [495 Valid, 314 Invalid, 272 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 249 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-17 04:25:43,359 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 410 states. [2024-11-17 04:25:43,370 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 410 to 347. [2024-11-17 04:25:43,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 347 states, 260 states have (on average 1.626923076923077) internal successors, (423), 322 states have internal predecessors, (423), 22 states have call successors, (22), 3 states have call predecessors, (22), 3 states have return successors, (22), 21 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-17 04:25:43,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 347 states and 467 transitions. [2024-11-17 04:25:43,372 INFO L78 Accepts]: Start accepts. Automaton has 347 states and 467 transitions. Word has length 43 [2024-11-17 04:25:43,373 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:25:43,373 INFO L471 AbstractCegarLoop]: Abstraction has 347 states and 467 transitions. [2024-11-17 04:25:43,373 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 6.5) internal successors, (26), 5 states have internal predecessors, (26), 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) [2024-11-17 04:25:43,373 INFO L276 IsEmpty]: Start isEmpty. Operand 347 states and 467 transitions. [2024-11-17 04:25:43,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2024-11-17 04:25:43,374 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:25:43,374 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:25:43,388 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2024-11-17 04:25:43,578 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2024-11-17 04:25:43,578 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr56ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-11-17 04:25:43,578 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:25:43,579 INFO L85 PathProgramCache]: Analyzing trace with hash -1478884855, now seen corresponding path program 1 times [2024-11-17 04:25:43,579 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:25:43,579 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [502653010] [2024-11-17 04:25:43,579 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:25:43,579 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:25:43,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:25:43,587 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1569953431] [2024-11-17 04:25:43,587 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:25:43,587 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:25:43,588 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:25:43,590 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 04:25:43,592 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-11-17 04:25:43,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:25:43,632 INFO L255 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-17 04:25:43,633 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:25:43,704 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-17 04:25:43,704 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 04:25:43,704 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:25:43,704 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [502653010] [2024-11-17 04:25:43,705 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:25:43,705 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1569953431] [2024-11-17 04:25:43,705 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1569953431] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:25:43,705 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:25:43,705 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-17 04:25:43,705 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1273066714] [2024-11-17 04:25:43,706 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:25:43,707 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-17 04:25:43,707 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:25:43,707 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-17 04:25:43,707 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-17 04:25:43,707 INFO L87 Difference]: Start difference. First operand 347 states and 467 transitions. Second operand has 5 states, 4 states have (on average 6.75) internal successors, (27), 5 states have internal predecessors, (27), 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) [2024-11-17 04:25:44,553 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:25:44,553 INFO L93 Difference]: Finished difference Result 411 states and 479 transitions. [2024-11-17 04:25:44,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-17 04:25:44,554 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 6.75) internal successors, (27), 5 states have internal predecessors, (27), 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 44 [2024-11-17 04:25:44,554 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:25:44,555 INFO L225 Difference]: With dead ends: 411 [2024-11-17 04:25:44,555 INFO L226 Difference]: Without dead ends: 410 [2024-11-17 04:25:44,556 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-17 04:25:44,556 INFO L432 NwaCegarLoop]: 107 mSDtfsCounter, 461 mSDsluCounter, 225 mSDsCounter, 0 mSdLazyCounter, 266 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 466 SdHoareTripleChecker+Valid, 332 SdHoareTripleChecker+Invalid, 288 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 266 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-17 04:25:44,557 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [466 Valid, 332 Invalid, 288 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 266 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-17 04:25:44,559 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 410 states. [2024-11-17 04:25:44,571 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 410 to 347. [2024-11-17 04:25:44,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 347 states, 260 states have (on average 1.623076923076923) internal successors, (422), 322 states have internal predecessors, (422), 22 states have call successors, (22), 3 states have call predecessors, (22), 3 states have return successors, (22), 21 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-17 04:25:44,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 347 states and 466 transitions. [2024-11-17 04:25:44,574 INFO L78 Accepts]: Start accepts. Automaton has 347 states and 466 transitions. Word has length 44 [2024-11-17 04:25:44,574 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:25:44,574 INFO L471 AbstractCegarLoop]: Abstraction has 347 states and 466 transitions. [2024-11-17 04:25:44,574 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 6.75) internal successors, (27), 5 states have internal predecessors, (27), 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) [2024-11-17 04:25:44,574 INFO L276 IsEmpty]: Start isEmpty. Operand 347 states and 466 transitions. [2024-11-17 04:25:44,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-17 04:25:44,575 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:25:44,575 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:25:44,591 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2024-11-17 04:25:44,775 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2024-11-17 04:25:44,776 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-11-17 04:25:44,776 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:25:44,776 INFO L85 PathProgramCache]: Analyzing trace with hash 549374536, now seen corresponding path program 1 times [2024-11-17 04:25:44,776 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:25:44,776 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [147603727] [2024-11-17 04:25:44,776 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:25:44,776 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:25:44,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:25:44,840 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-17 04:25:44,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:25:44,842 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-17 04:25:44,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:25:44,857 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-17 04:25:44,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:25:44,861 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-17 04:25:44,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:25:44,863 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-17 04:25:44,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:25:44,867 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-17 04:25:44,867 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:25:44,867 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [147603727] [2024-11-17 04:25:44,867 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [147603727] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:25:44,867 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [106691968] [2024-11-17 04:25:44,867 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:25:44,868 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:25:44,868 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:25:44,869 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 04:25:44,870 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-11-17 04:25:44,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:25:44,917 INFO L255 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-17 04:25:44,919 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:25:45,011 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-17 04:25:45,011 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 04:25:45,011 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [106691968] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:25:45,011 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-17 04:25:45,011 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2024-11-17 04:25:45,012 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [930601210] [2024-11-17 04:25:45,012 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:25:45,012 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 04:25:45,012 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:25:45,012 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 04:25:45,013 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-17 04:25:45,013 INFO L87 Difference]: Start difference. First operand 347 states and 466 transitions. Second operand has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-17 04:25:45,360 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:25:45,361 INFO L93 Difference]: Finished difference Result 376 states and 478 transitions. [2024-11-17 04:25:45,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 04:25:45,362 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 47 [2024-11-17 04:25:45,362 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:25:45,363 INFO L225 Difference]: With dead ends: 376 [2024-11-17 04:25:45,364 INFO L226 Difference]: Without dead ends: 374 [2024-11-17 04:25:45,364 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-17 04:25:45,365 INFO L432 NwaCegarLoop]: 119 mSDtfsCounter, 193 mSDsluCounter, 122 mSDsCounter, 0 mSdLazyCounter, 142 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 202 SdHoareTripleChecker+Valid, 241 SdHoareTripleChecker+Invalid, 143 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 142 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-17 04:25:45,365 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [202 Valid, 241 Invalid, 143 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 142 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-17 04:25:45,366 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 374 states. [2024-11-17 04:25:45,377 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 374 to 348. [2024-11-17 04:25:45,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 348 states, 261 states have (on average 1.6130268199233717) internal successors, (421), 322 states have internal predecessors, (421), 22 states have call successors, (22), 3 states have call predecessors, (22), 3 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-17 04:25:45,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 348 states to 348 states and 465 transitions. [2024-11-17 04:25:45,379 INFO L78 Accepts]: Start accepts. Automaton has 348 states and 465 transitions. Word has length 47 [2024-11-17 04:25:45,379 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:25:45,379 INFO L471 AbstractCegarLoop]: Abstraction has 348 states and 465 transitions. [2024-11-17 04:25:45,380 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-17 04:25:45,380 INFO L276 IsEmpty]: Start isEmpty. Operand 348 states and 465 transitions. [2024-11-17 04:25:45,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-11-17 04:25:45,380 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:25:45,381 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:25:45,399 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2024-11-17 04:25:45,581 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-11-17 04:25:45,581 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-11-17 04:25:45,582 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:25:45,582 INFO L85 PathProgramCache]: Analyzing trace with hash -149258586, now seen corresponding path program 1 times [2024-11-17 04:25:45,582 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:25:45,582 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1642062772] [2024-11-17 04:25:45,582 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:25:45,582 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:25:45,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:25:45,651 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-17 04:25:45,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:25:45,653 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-17 04:25:45,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:25:45,668 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-17 04:25:45,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:25:45,673 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-17 04:25:45,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:25:45,676 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-17 04:25:45,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:25:45,677 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-17 04:25:45,678 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:25:45,678 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1642062772] [2024-11-17 04:25:45,678 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1642062772] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:25:45,678 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [67968622] [2024-11-17 04:25:45,678 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:25:45,678 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:25:45,678 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:25:45,680 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 04:25:45,681 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-11-17 04:25:45,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:25:45,728 INFO L255 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-17 04:25:45,729 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:25:45,838 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-17 04:25:45,838 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 04:25:45,838 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [67968622] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:25:45,838 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-17 04:25:45,839 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2024-11-17 04:25:45,839 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1848562608] [2024-11-17 04:25:45,839 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:25:45,839 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 04:25:45,839 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:25:45,840 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 04:25:45,840 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-17 04:25:45,840 INFO L87 Difference]: Start difference. First operand 348 states and 465 transitions. Second operand has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-17 04:25:46,211 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:25:46,212 INFO L93 Difference]: Finished difference Result 376 states and 475 transitions. [2024-11-17 04:25:46,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 04:25:46,213 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 48 [2024-11-17 04:25:46,213 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:25:46,216 INFO L225 Difference]: With dead ends: 376 [2024-11-17 04:25:46,216 INFO L226 Difference]: Without dead ends: 374 [2024-11-17 04:25:46,216 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-17 04:25:46,217 INFO L432 NwaCegarLoop]: 119 mSDtfsCounter, 192 mSDsluCounter, 122 mSDsCounter, 0 mSdLazyCounter, 142 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 201 SdHoareTripleChecker+Valid, 241 SdHoareTripleChecker+Invalid, 143 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 142 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-17 04:25:46,217 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [201 Valid, 241 Invalid, 143 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 142 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-17 04:25:46,218 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 374 states. [2024-11-17 04:25:46,231 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 374 to 349. [2024-11-17 04:25:46,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 349 states, 262 states have (on average 1.6030534351145038) internal successors, (420), 323 states have internal predecessors, (420), 22 states have call successors, (22), 3 states have call predecessors, (22), 3 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-17 04:25:46,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 349 states to 349 states and 464 transitions. [2024-11-17 04:25:46,234 INFO L78 Accepts]: Start accepts. Automaton has 349 states and 464 transitions. Word has length 48 [2024-11-17 04:25:46,235 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:25:46,235 INFO L471 AbstractCegarLoop]: Abstraction has 349 states and 464 transitions. [2024-11-17 04:25:46,235 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-17 04:25:46,235 INFO L276 IsEmpty]: Start isEmpty. Operand 349 states and 464 transitions. [2024-11-17 04:25:46,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2024-11-17 04:25:46,236 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:25:46,236 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:25:46,254 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2024-11-17 04:25:46,436 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-11-17 04:25:46,437 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-11-17 04:25:46,437 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:25:46,437 INFO L85 PathProgramCache]: Analyzing trace with hash -332048890, now seen corresponding path program 1 times [2024-11-17 04:25:46,437 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:25:46,437 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1513223288] [2024-11-17 04:25:46,437 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:25:46,437 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:25:46,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:25:46,497 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-17 04:25:46,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:25:46,500 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-17 04:25:46,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:25:46,515 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-17 04:25:46,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:25:46,518 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-17 04:25:46,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:25:46,521 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-17 04:25:46,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:25:46,522 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-17 04:25:46,522 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:25:46,522 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1513223288] [2024-11-17 04:25:46,523 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1513223288] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:25:46,523 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [290948824] [2024-11-17 04:25:46,523 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:25:46,523 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:25:46,523 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:25:46,525 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 04:25:46,527 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-11-17 04:25:46,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:25:46,571 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-17 04:25:46,572 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:25:46,605 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-17 04:25:46,605 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 04:25:46,605 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [290948824] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:25:46,606 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-17 04:25:46,606 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [6] total 7 [2024-11-17 04:25:46,606 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [911400088] [2024-11-17 04:25:46,606 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:25:46,606 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-17 04:25:46,607 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:25:46,608 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-17 04:25:46,608 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-17 04:25:46,608 INFO L87 Difference]: Start difference. First operand 349 states and 464 transitions. Second operand has 3 states, 2 states have (on average 15.0) internal successors, (30), 3 states have internal predecessors, (30), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-17 04:25:46,800 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:25:46,801 INFO L93 Difference]: Finished difference Result 392 states and 484 transitions. [2024-11-17 04:25:46,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-17 04:25:46,801 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 15.0) internal successors, (30), 3 states have internal predecessors, (30), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 49 [2024-11-17 04:25:46,802 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:25:46,804 INFO L225 Difference]: With dead ends: 392 [2024-11-17 04:25:46,804 INFO L226 Difference]: Without dead ends: 388 [2024-11-17 04:25:46,804 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-17 04:25:46,805 INFO L432 NwaCegarLoop]: 163 mSDtfsCounter, 85 mSDsluCounter, 149 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 89 SdHoareTripleChecker+Valid, 312 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-17 04:25:46,805 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [89 Valid, 312 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-17 04:25:46,806 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 388 states. [2024-11-17 04:25:46,816 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 388 to 351. [2024-11-17 04:25:46,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 351 states, 264 states have (on average 1.5833333333333333) internal successors, (418), 325 states have internal predecessors, (418), 22 states have call successors, (22), 3 states have call predecessors, (22), 3 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-17 04:25:46,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 351 states to 351 states and 462 transitions. [2024-11-17 04:25:46,818 INFO L78 Accepts]: Start accepts. Automaton has 351 states and 462 transitions. Word has length 49 [2024-11-17 04:25:46,819 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:25:46,819 INFO L471 AbstractCegarLoop]: Abstraction has 351 states and 462 transitions. [2024-11-17 04:25:46,819 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 15.0) internal successors, (30), 3 states have internal predecessors, (30), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-17 04:25:46,819 INFO L276 IsEmpty]: Start isEmpty. Operand 351 states and 462 transitions. [2024-11-17 04:25:46,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-11-17 04:25:46,820 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:25:46,820 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:25:46,837 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2024-11-17 04:25:47,020 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:25:47,021 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-11-17 04:25:47,021 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:25:47,021 INFO L85 PathProgramCache]: Analyzing trace with hash -1271404092, now seen corresponding path program 1 times [2024-11-17 04:25:47,021 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:25:47,021 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1831292187] [2024-11-17 04:25:47,021 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:25:47,021 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:25:47,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:25:47,089 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-17 04:25:47,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:25:47,091 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-17 04:25:47,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:25:47,105 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-17 04:25:47,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:25:47,108 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-17 04:25:47,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:25:47,110 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-17 04:25:47,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:25:47,112 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-17 04:25:47,112 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:25:47,112 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1831292187] [2024-11-17 04:25:47,113 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1831292187] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:25:47,113 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [878436142] [2024-11-17 04:25:47,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:25:47,113 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:25:47,113 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:25:47,115 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 04:25:47,116 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-11-17 04:25:47,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:25:47,178 INFO L255 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-17 04:25:47,179 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:25:47,230 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-17 04:25:47,230 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 04:25:47,231 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [878436142] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:25:47,231 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-17 04:25:47,231 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2024-11-17 04:25:47,232 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [483455695] [2024-11-17 04:25:47,232 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:25:47,232 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 04:25:47,232 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:25:47,233 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 04:25:47,233 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-17 04:25:47,233 INFO L87 Difference]: Start difference. First operand 351 states and 462 transitions. Second operand has 4 states, 3 states have (on average 10.666666666666666) internal successors, (32), 4 states have internal predecessors, (32), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-17 04:25:47,707 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:25:47,708 INFO L93 Difference]: Finished difference Result 390 states and 478 transitions. [2024-11-17 04:25:47,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 04:25:47,708 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 10.666666666666666) internal successors, (32), 4 states have internal predecessors, (32), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 51 [2024-11-17 04:25:47,708 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:25:47,710 INFO L225 Difference]: With dead ends: 390 [2024-11-17 04:25:47,710 INFO L226 Difference]: Without dead ends: 388 [2024-11-17 04:25:47,710 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-17 04:25:47,710 INFO L432 NwaCegarLoop]: 151 mSDtfsCounter, 149 mSDsluCounter, 177 mSDsCounter, 0 mSdLazyCounter, 78 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 154 SdHoareTripleChecker+Valid, 328 SdHoareTripleChecker+Invalid, 83 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 78 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-17 04:25:47,711 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [154 Valid, 328 Invalid, 83 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 78 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-17 04:25:47,711 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 388 states. [2024-11-17 04:25:47,722 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 388 to 352. [2024-11-17 04:25:47,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 352 states, 265 states have (on average 1.5735849056603775) internal successors, (417), 326 states have internal predecessors, (417), 22 states have call successors, (22), 3 states have call predecessors, (22), 3 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-17 04:25:47,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 352 states to 352 states and 461 transitions. [2024-11-17 04:25:47,725 INFO L78 Accepts]: Start accepts. Automaton has 352 states and 461 transitions. Word has length 51 [2024-11-17 04:25:47,725 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:25:47,725 INFO L471 AbstractCegarLoop]: Abstraction has 352 states and 461 transitions. [2024-11-17 04:25:47,725 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 10.666666666666666) internal successors, (32), 4 states have internal predecessors, (32), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-17 04:25:47,725 INFO L276 IsEmpty]: Start isEmpty. Operand 352 states and 461 transitions. [2024-11-17 04:25:47,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2024-11-17 04:25:47,726 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:25:47,726 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:25:47,743 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2024-11-17 04:25:47,926 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:25:47,927 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-11-17 04:25:47,927 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:25:47,927 INFO L85 PathProgramCache]: Analyzing trace with hash -758821214, now seen corresponding path program 1 times [2024-11-17 04:25:47,927 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:25:47,927 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1288889104] [2024-11-17 04:25:47,927 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:25:47,927 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:25:47,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:25:47,998 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-17 04:25:48,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:25:48,001 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-17 04:25:48,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:25:48,019 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-17 04:25:48,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:25:48,026 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-17 04:25:48,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:25:48,028 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-17 04:25:48,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:25:48,033 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-17 04:25:48,033 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:25:48,033 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1288889104] [2024-11-17 04:25:48,033 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1288889104] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:25:48,033 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1277923148] [2024-11-17 04:25:48,034 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:25:48,034 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:25:48,034 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:25:48,036 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 04:25:48,038 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-11-17 04:25:48,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:25:48,088 INFO L255 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-17 04:25:48,089 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:25:48,269 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-17 04:25:48,269 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 04:25:48,269 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1277923148] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:25:48,269 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-17 04:25:48,269 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2024-11-17 04:25:48,270 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1262612463] [2024-11-17 04:25:48,270 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:25:48,270 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 04:25:48,270 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:25:48,271 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 04:25:48,271 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-17 04:25:48,271 INFO L87 Difference]: Start difference. First operand 352 states and 461 transitions. Second operand has 4 states, 3 states have (on average 11.0) internal successors, (33), 4 states have internal predecessors, (33), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-17 04:25:48,767 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:25:48,767 INFO L93 Difference]: Finished difference Result 390 states and 475 transitions. [2024-11-17 04:25:48,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 04:25:48,768 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 11.0) internal successors, (33), 4 states have internal predecessors, (33), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 52 [2024-11-17 04:25:48,768 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:25:48,770 INFO L225 Difference]: With dead ends: 390 [2024-11-17 04:25:48,770 INFO L226 Difference]: Without dead ends: 371 [2024-11-17 04:25:48,770 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-17 04:25:48,771 INFO L432 NwaCegarLoop]: 155 mSDtfsCounter, 147 mSDsluCounter, 177 mSDsCounter, 0 mSdLazyCounter, 77 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 152 SdHoareTripleChecker+Valid, 332 SdHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 77 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-17 04:25:48,771 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [152 Valid, 332 Invalid, 82 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 77 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-17 04:25:48,772 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 371 states. [2024-11-17 04:25:48,782 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 371 to 336. [2024-11-17 04:25:48,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 336 states, 251 states have (on average 1.593625498007968) internal successors, (400), 312 states have internal predecessors, (400), 21 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2024-11-17 04:25:48,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 336 states to 336 states and 442 transitions. [2024-11-17 04:25:48,784 INFO L78 Accepts]: Start accepts. Automaton has 336 states and 442 transitions. Word has length 52 [2024-11-17 04:25:48,785 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:25:48,785 INFO L471 AbstractCegarLoop]: Abstraction has 336 states and 442 transitions. [2024-11-17 04:25:48,785 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 11.0) internal successors, (33), 4 states have internal predecessors, (33), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-17 04:25:48,785 INFO L276 IsEmpty]: Start isEmpty. Operand 336 states and 442 transitions. [2024-11-17 04:25:48,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-11-17 04:25:48,785 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:25:48,786 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:25:48,802 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2024-11-17 04:25:48,989 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,17 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:25:48,990 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr46ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-11-17 04:25:48,990 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:25:48,990 INFO L85 PathProgramCache]: Analyzing trace with hash -136914937, now seen corresponding path program 1 times [2024-11-17 04:25:48,990 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:25:48,990 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1624089378] [2024-11-17 04:25:48,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:25:48,990 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:25:49,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:25:49,001 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1444275751] [2024-11-17 04:25:49,001 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:25:49,002 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:25:49,002 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:25:49,004 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 04:25:49,005 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2024-11-17 04:25:49,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:25:49,055 INFO L255 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-17 04:25:49,056 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:25:49,191 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-17 04:25:49,192 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 04:25:49,192 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:25:49,192 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1624089378] [2024-11-17 04:25:49,192 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:25:49,192 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1444275751] [2024-11-17 04:25:49,192 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1444275751] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:25:49,193 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:25:49,193 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-17 04:25:49,193 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1948666556] [2024-11-17 04:25:49,193 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:25:49,193 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 04:25:49,193 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:25:49,194 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 04:25:49,194 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-17 04:25:49,194 INFO L87 Difference]: Start difference. First operand 336 states and 442 transitions. Second operand has 4 states, 3 states have (on average 13.333333333333334) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-17 04:25:49,567 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:25:49,568 INFO L93 Difference]: Finished difference Result 364 states and 466 transitions. [2024-11-17 04:25:49,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 04:25:49,568 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 13.333333333333334) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 64 [2024-11-17 04:25:49,568 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:25:49,570 INFO L225 Difference]: With dead ends: 364 [2024-11-17 04:25:49,570 INFO L226 Difference]: Without dead ends: 363 [2024-11-17 04:25:49,570 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-17 04:25:49,571 INFO L432 NwaCegarLoop]: 95 mSDtfsCounter, 180 mSDsluCounter, 101 mSDsCounter, 0 mSdLazyCounter, 187 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 187 SdHoareTripleChecker+Valid, 196 SdHoareTripleChecker+Invalid, 187 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 187 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-17 04:25:49,571 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [187 Valid, 196 Invalid, 187 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 187 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-17 04:25:49,571 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 363 states. [2024-11-17 04:25:49,580 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 363 to 336. [2024-11-17 04:25:49,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 336 states, 251 states have (on average 1.5896414342629481) internal successors, (399), 312 states have internal predecessors, (399), 21 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2024-11-17 04:25:49,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 336 states to 336 states and 441 transitions. [2024-11-17 04:25:49,582 INFO L78 Accepts]: Start accepts. Automaton has 336 states and 441 transitions. Word has length 64 [2024-11-17 04:25:49,583 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:25:49,583 INFO L471 AbstractCegarLoop]: Abstraction has 336 states and 441 transitions. [2024-11-17 04:25:49,583 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 13.333333333333334) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-17 04:25:49,583 INFO L276 IsEmpty]: Start isEmpty. Operand 336 states and 441 transitions. [2024-11-17 04:25:49,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2024-11-17 04:25:49,584 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:25:49,584 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:25:49,601 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Ended with exit code 0 [2024-11-17 04:25:49,784 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,18 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:25:49,784 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr41ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-11-17 04:25:49,785 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:25:49,785 INFO L85 PathProgramCache]: Analyzing trace with hash -1698003265, now seen corresponding path program 1 times [2024-11-17 04:25:49,785 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:25:49,785 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [589510883] [2024-11-17 04:25:49,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:25:49,785 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:25:49,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:25:49,795 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [960743240] [2024-11-17 04:25:49,795 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:25:49,795 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:25:49,796 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:25:49,797 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 04:25:49,799 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2024-11-17 04:25:49,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:25:49,848 INFO L255 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-17 04:25:49,849 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:25:50,007 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-17 04:25:50,007 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 04:25:50,007 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:25:50,007 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [589510883] [2024-11-17 04:25:50,007 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:25:50,007 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [960743240] [2024-11-17 04:25:50,007 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [960743240] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:25:50,008 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:25:50,008 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-17 04:25:50,008 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1979313253] [2024-11-17 04:25:50,008 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:25:50,008 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 04:25:50,008 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:25:50,009 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 04:25:50,009 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-17 04:25:50,009 INFO L87 Difference]: Start difference. First operand 336 states and 441 transitions. Second operand has 4 states, 3 states have (on average 15.0) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-17 04:25:50,268 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:25:50,268 INFO L93 Difference]: Finished difference Result 366 states and 465 transitions. [2024-11-17 04:25:50,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 04:25:50,269 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 15.0) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 74 [2024-11-17 04:25:50,269 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:25:50,271 INFO L225 Difference]: With dead ends: 366 [2024-11-17 04:25:50,271 INFO L226 Difference]: Without dead ends: 365 [2024-11-17 04:25:50,271 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-17 04:25:50,272 INFO L432 NwaCegarLoop]: 136 mSDtfsCounter, 100 mSDsluCounter, 116 mSDsCounter, 0 mSdLazyCounter, 95 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 101 SdHoareTripleChecker+Valid, 252 SdHoareTripleChecker+Invalid, 96 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 95 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-17 04:25:50,272 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [101 Valid, 252 Invalid, 96 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 95 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-17 04:25:50,273 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 365 states. [2024-11-17 04:25:50,285 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 365 to 336. [2024-11-17 04:25:50,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 336 states, 251 states have (on average 1.5816733067729083) internal successors, (397), 312 states have internal predecessors, (397), 21 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2024-11-17 04:25:50,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 336 states to 336 states and 439 transitions. [2024-11-17 04:25:50,287 INFO L78 Accepts]: Start accepts. Automaton has 336 states and 439 transitions. Word has length 74 [2024-11-17 04:25:50,287 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:25:50,287 INFO L471 AbstractCegarLoop]: Abstraction has 336 states and 439 transitions. [2024-11-17 04:25:50,288 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 15.0) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-17 04:25:50,288 INFO L276 IsEmpty]: Start isEmpty. Operand 336 states and 439 transitions. [2024-11-17 04:25:50,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2024-11-17 04:25:50,288 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:25:50,289 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:25:50,305 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Ended with exit code 0 [2024-11-17 04:25:50,489 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,19 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:25:50,489 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-11-17 04:25:50,490 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:25:50,490 INFO L85 PathProgramCache]: Analyzing trace with hash -1098493600, now seen corresponding path program 1 times [2024-11-17 04:25:50,490 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:25:50,490 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [443327051] [2024-11-17 04:25:50,490 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:25:50,490 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:25:50,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:25:50,501 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [936272375] [2024-11-17 04:25:50,501 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:25:50,501 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:25:50,501 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:25:50,503 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 04:25:50,507 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2024-11-17 04:25:50,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:25:50,566 INFO L255 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-17 04:25:50,567 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:25:52,758 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-17 04:25:52,759 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 04:25:52,759 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:25:52,759 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [443327051] [2024-11-17 04:25:52,759 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:25:52,759 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [936272375] [2024-11-17 04:25:52,759 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [936272375] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:25:52,759 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:25:52,759 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-17 04:25:52,760 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1910555083] [2024-11-17 04:25:52,760 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:25:52,760 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-17 04:25:52,760 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:25:52,760 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-17 04:25:52,761 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=9, Unknown=2, NotChecked=0, Total=20 [2024-11-17 04:25:52,761 INFO L87 Difference]: Start difference. First operand 336 states and 439 transitions. Second operand has 5 states, 4 states have (on average 11.5) internal successors, (46), 5 states have internal predecessors, (46), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-17 04:25:58,073 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-17 04:25:59,080 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-17 04:25:59,641 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:25:59,642 INFO L93 Difference]: Finished difference Result 366 states and 463 transitions. [2024-11-17 04:25:59,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-17 04:25:59,642 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 11.5) internal successors, (46), 5 states have internal predecessors, (46), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 75 [2024-11-17 04:25:59,643 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:25:59,644 INFO L225 Difference]: With dead ends: 366 [2024-11-17 04:25:59,644 INFO L226 Difference]: Without dead ends: 365 [2024-11-17 04:25:59,644 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=14, Invalid=14, Unknown=2, NotChecked=0, Total=30 [2024-11-17 04:25:59,645 INFO L432 NwaCegarLoop]: 128 mSDtfsCounter, 176 mSDsluCounter, 111 mSDsCounter, 0 mSdLazyCounter, 109 mSolverCounterSat, 8 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 176 SdHoareTripleChecker+Valid, 239 SdHoareTripleChecker+Invalid, 123 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 109 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.8s IncrementalHoareTripleChecker+Time [2024-11-17 04:25:59,645 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [176 Valid, 239 Invalid, 123 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 109 Invalid, 6 Unknown, 0 Unchecked, 6.8s Time] [2024-11-17 04:25:59,645 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 365 states. [2024-11-17 04:25:59,656 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 365 to 336. [2024-11-17 04:25:59,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 336 states, 251 states have (on average 1.5737051792828685) internal successors, (395), 312 states have internal predecessors, (395), 21 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2024-11-17 04:25:59,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 336 states to 336 states and 437 transitions. [2024-11-17 04:25:59,658 INFO L78 Accepts]: Start accepts. Automaton has 336 states and 437 transitions. Word has length 75 [2024-11-17 04:25:59,658 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:25:59,659 INFO L471 AbstractCegarLoop]: Abstraction has 336 states and 437 transitions. [2024-11-17 04:25:59,659 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 11.5) internal successors, (46), 5 states have internal predecessors, (46), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-17 04:25:59,659 INFO L276 IsEmpty]: Start isEmpty. Operand 336 states and 437 transitions. [2024-11-17 04:25:59,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2024-11-17 04:25:59,659 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:25:59,660 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:25:59,678 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Forceful destruction successful, exit code 0 [2024-11-17 04:25:59,860 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23,20 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:25:59,861 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr39ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-11-17 04:25:59,861 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:25:59,861 INFO L85 PathProgramCache]: Analyzing trace with hash 306436829, now seen corresponding path program 1 times [2024-11-17 04:25:59,861 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:25:59,862 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1361402363] [2024-11-17 04:25:59,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:25:59,862 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:25:59,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:25:59,879 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [543921290] [2024-11-17 04:25:59,880 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:25:59,880 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:25:59,880 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:25:59,882 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 04:25:59,883 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2024-11-17 04:25:59,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:25:59,935 INFO L255 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-17 04:25:59,937 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:25:59,999 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-17 04:25:59,999 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 04:26:00,000 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:26:00,000 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1361402363] [2024-11-17 04:26:00,000 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:26:00,000 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [543921290] [2024-11-17 04:26:00,000 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [543921290] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:26:00,000 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:26:00,000 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-17 04:26:00,000 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [944708076] [2024-11-17 04:26:00,000 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:26:00,001 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 04:26:00,001 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:26:00,001 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 04:26:00,001 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-17 04:26:00,001 INFO L87 Difference]: Start difference. First operand 336 states and 437 transitions. Second operand has 4 states, 3 states have (on average 15.666666666666666) internal successors, (47), 4 states have internal predecessors, (47), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-17 04:26:00,429 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:26:00,429 INFO L93 Difference]: Finished difference Result 358 states and 450 transitions. [2024-11-17 04:26:00,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 04:26:00,430 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 15.666666666666666) internal successors, (47), 4 states have internal predecessors, (47), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 76 [2024-11-17 04:26:00,430 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:26:00,431 INFO L225 Difference]: With dead ends: 358 [2024-11-17 04:26:00,431 INFO L226 Difference]: Without dead ends: 356 [2024-11-17 04:26:00,432 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 73 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-17 04:26:00,432 INFO L432 NwaCegarLoop]: 159 mSDtfsCounter, 105 mSDsluCounter, 140 mSDsCounter, 0 mSdLazyCounter, 116 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 109 SdHoareTripleChecker+Valid, 299 SdHoareTripleChecker+Invalid, 118 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 116 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-17 04:26:00,432 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [109 Valid, 299 Invalid, 118 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 116 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-17 04:26:00,433 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 356 states. [2024-11-17 04:26:00,444 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 356 to 336. [2024-11-17 04:26:00,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 336 states, 251 states have (on average 1.5577689243027888) internal successors, (391), 312 states have internal predecessors, (391), 21 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2024-11-17 04:26:00,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 336 states to 336 states and 433 transitions. [2024-11-17 04:26:00,447 INFO L78 Accepts]: Start accepts. Automaton has 336 states and 433 transitions. Word has length 76 [2024-11-17 04:26:00,447 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:26:00,447 INFO L471 AbstractCegarLoop]: Abstraction has 336 states and 433 transitions. [2024-11-17 04:26:00,448 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 15.666666666666666) internal successors, (47), 4 states have internal predecessors, (47), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-17 04:26:00,448 INFO L276 IsEmpty]: Start isEmpty. Operand 336 states and 433 transitions. [2024-11-17 04:26:00,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2024-11-17 04:26:00,448 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:26:00,449 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:26:00,465 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Forceful destruction successful, exit code 0 [2024-11-17 04:26:00,649 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2024-11-17 04:26:00,649 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-11-17 04:26:00,649 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:26:00,650 INFO L85 PathProgramCache]: Analyzing trace with hash 909607166, now seen corresponding path program 1 times [2024-11-17 04:26:00,650 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:26:00,650 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1980869267] [2024-11-17 04:26:00,650 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:26:00,650 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:26:00,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:26:00,660 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1021101571] [2024-11-17 04:26:00,660 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:26:00,660 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:26:00,660 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:26:00,662 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 04:26:00,663 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2024-11-17 04:26:00,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:26:00,720 INFO L255 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-17 04:26:00,722 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:26:00,773 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-17 04:26:00,773 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 04:26:00,773 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:26:00,773 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1980869267] [2024-11-17 04:26:00,773 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:26:00,773 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1021101571] [2024-11-17 04:26:00,773 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1021101571] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:26:00,773 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:26:00,773 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-17 04:26:00,773 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1800738404] [2024-11-17 04:26:00,773 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:26:00,774 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 04:26:00,774 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:26:00,774 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 04:26:00,774 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-17 04:26:00,775 INFO L87 Difference]: Start difference. First operand 336 states and 433 transitions. Second operand has 4 states, 3 states have (on average 16.0) internal successors, (48), 4 states have internal predecessors, (48), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-17 04:26:01,206 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:26:01,206 INFO L93 Difference]: Finished difference Result 358 states and 446 transitions. [2024-11-17 04:26:01,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 04:26:01,207 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 16.0) internal successors, (48), 4 states have internal predecessors, (48), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 77 [2024-11-17 04:26:01,207 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:26:01,208 INFO L225 Difference]: With dead ends: 358 [2024-11-17 04:26:01,208 INFO L226 Difference]: Without dead ends: 356 [2024-11-17 04:26:01,209 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-17 04:26:01,209 INFO L432 NwaCegarLoop]: 162 mSDtfsCounter, 104 mSDsluCounter, 140 mSDsCounter, 0 mSdLazyCounter, 115 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 108 SdHoareTripleChecker+Valid, 302 SdHoareTripleChecker+Invalid, 117 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 115 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-17 04:26:01,209 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [108 Valid, 302 Invalid, 117 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 115 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-17 04:26:01,210 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 356 states. [2024-11-17 04:26:01,224 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 356 to 336. [2024-11-17 04:26:01,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 336 states, 251 states have (on average 1.5418326693227091) internal successors, (387), 312 states have internal predecessors, (387), 21 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2024-11-17 04:26:01,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 336 states to 336 states and 429 transitions. [2024-11-17 04:26:01,226 INFO L78 Accepts]: Start accepts. Automaton has 336 states and 429 transitions. Word has length 77 [2024-11-17 04:26:01,226 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:26:01,226 INFO L471 AbstractCegarLoop]: Abstraction has 336 states and 429 transitions. [2024-11-17 04:26:01,226 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 16.0) internal successors, (48), 4 states have internal predecessors, (48), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-17 04:26:01,226 INFO L276 IsEmpty]: Start isEmpty. Operand 336 states and 429 transitions. [2024-11-17 04:26:01,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2024-11-17 04:26:01,227 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:26:01,227 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:26:01,244 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Forceful destruction successful, exit code 0 [2024-11-17 04:26:01,427 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2024-11-17 04:26:01,428 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-11-17 04:26:01,428 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:26:01,428 INFO L85 PathProgramCache]: Analyzing trace with hash 891582263, now seen corresponding path program 1 times [2024-11-17 04:26:01,428 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:26:01,428 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1708719962] [2024-11-17 04:26:01,428 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:26:01,429 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:26:01,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:26:01,441 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [942486830] [2024-11-17 04:26:01,441 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:26:01,441 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:26:01,441 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:26:01,445 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 04:26:01,447 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2024-11-17 04:26:01,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:26:01,500 INFO L255 TraceCheckSpWp]: Trace formula consists of 160 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-17 04:26:01,502 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:26:01,667 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-11-17 04:26:01,668 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:26:01,855 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-11-17 04:26:01,856 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:26:01,856 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1708719962] [2024-11-17 04:26:01,856 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:26:01,856 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [942486830] [2024-11-17 04:26:01,856 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [942486830] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 04:26:01,856 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-17 04:26:01,856 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2024-11-17 04:26:01,856 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [96951710] [2024-11-17 04:26:01,856 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-17 04:26:01,857 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-17 04:26:01,857 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:26:01,857 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-17 04:26:01,857 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-17 04:26:01,857 INFO L87 Difference]: Start difference. First operand 336 states and 429 transitions. Second operand has 9 states, 8 states have (on average 12.875) internal successors, (103), 7 states have internal predecessors, (103), 3 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (13), 5 states have call predecessors, (13), 3 states have call successors, (13) [2024-11-17 04:26:02,561 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:26:02,561 INFO L93 Difference]: Finished difference Result 357 states and 431 transitions. [2024-11-17 04:26:02,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-17 04:26:02,562 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 12.875) internal successors, (103), 7 states have internal predecessors, (103), 3 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (13), 5 states have call predecessors, (13), 3 states have call successors, (13) Word has length 82 [2024-11-17 04:26:02,562 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:26:02,563 INFO L225 Difference]: With dead ends: 357 [2024-11-17 04:26:02,563 INFO L226 Difference]: Without dead ends: 356 [2024-11-17 04:26:02,564 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 163 GetRequests, 154 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2024-11-17 04:26:02,564 INFO L432 NwaCegarLoop]: 109 mSDtfsCounter, 369 mSDsluCounter, 345 mSDsCounter, 0 mSdLazyCounter, 411 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 374 SdHoareTripleChecker+Valid, 454 SdHoareTripleChecker+Invalid, 422 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 411 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-17 04:26:02,564 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [374 Valid, 454 Invalid, 422 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 411 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-17 04:26:02,565 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 356 states. [2024-11-17 04:26:02,578 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 356 to 336. [2024-11-17 04:26:02,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 336 states, 251 states have (on average 1.5298804780876494) internal successors, (384), 312 states have internal predecessors, (384), 21 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2024-11-17 04:26:02,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 336 states to 336 states and 426 transitions. [2024-11-17 04:26:02,580 INFO L78 Accepts]: Start accepts. Automaton has 336 states and 426 transitions. Word has length 82 [2024-11-17 04:26:02,580 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:26:02,580 INFO L471 AbstractCegarLoop]: Abstraction has 336 states and 426 transitions. [2024-11-17 04:26:02,580 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 12.875) internal successors, (103), 7 states have internal predecessors, (103), 3 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (13), 5 states have call predecessors, (13), 3 states have call successors, (13) [2024-11-17 04:26:02,581 INFO L276 IsEmpty]: Start isEmpty. Operand 336 states and 426 transitions. [2024-11-17 04:26:02,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2024-11-17 04:26:02,581 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:26:02,581 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:26:02,598 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Forceful destruction successful, exit code 0 [2024-11-17 04:26:02,785 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2024-11-17 04:26:02,786 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-11-17 04:26:02,787 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:26:02,787 INFO L85 PathProgramCache]: Analyzing trace with hash 1869246424, now seen corresponding path program 1 times [2024-11-17 04:26:02,787 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:26:02,788 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1772372] [2024-11-17 04:26:02,788 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:26:02,788 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:26:02,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:26:02,800 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1479833309] [2024-11-17 04:26:02,800 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:26:02,801 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:26:02,801 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:26:02,802 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 04:26:02,804 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2024-11-17 04:26:02,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:26:02,859 INFO L255 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-17 04:26:02,861 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:26:03,146 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-11-17 04:26:03,146 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:26:04,268 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-11-17 04:26:04,268 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:26:04,269 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1772372] [2024-11-17 04:26:04,269 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:26:04,269 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1479833309] [2024-11-17 04:26:04,269 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1479833309] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 04:26:04,269 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-17 04:26:04,269 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2024-11-17 04:26:04,269 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [360696015] [2024-11-17 04:26:04,269 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-17 04:26:04,270 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-17 04:26:04,270 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:26:04,270 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-17 04:26:04,270 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2024-11-17 04:26:04,270 INFO L87 Difference]: Start difference. First operand 336 states and 426 transitions. Second operand has 11 states, 8 states have (on average 13.25) internal successors, (106), 9 states have internal predecessors, (106), 4 states have call successors, (14), 1 states have call predecessors, (14), 2 states have return successors, (14), 6 states have call predecessors, (14), 4 states have call successors, (14) [2024-11-17 04:26:05,517 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:26:05,517 INFO L93 Difference]: Finished difference Result 357 states and 428 transitions. [2024-11-17 04:26:05,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-17 04:26:05,518 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 8 states have (on average 13.25) internal successors, (106), 9 states have internal predecessors, (106), 4 states have call successors, (14), 1 states have call predecessors, (14), 2 states have return successors, (14), 6 states have call predecessors, (14), 4 states have call successors, (14) Word has length 83 [2024-11-17 04:26:05,518 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:26:05,519 INFO L225 Difference]: With dead ends: 357 [2024-11-17 04:26:05,519 INFO L226 Difference]: Without dead ends: 356 [2024-11-17 04:26:05,519 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 166 GetRequests, 154 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=47, Invalid=109, Unknown=0, NotChecked=0, Total=156 [2024-11-17 04:26:05,520 INFO L432 NwaCegarLoop]: 109 mSDtfsCounter, 364 mSDsluCounter, 478 mSDsCounter, 0 mSdLazyCounter, 573 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 369 SdHoareTripleChecker+Valid, 587 SdHoareTripleChecker+Invalid, 586 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 573 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-17 04:26:05,520 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [369 Valid, 587 Invalid, 586 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 573 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-17 04:26:05,521 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 356 states. [2024-11-17 04:26:05,533 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 356 to 336. [2024-11-17 04:26:05,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 336 states, 251 states have (on average 1.5179282868525896) internal successors, (381), 312 states have internal predecessors, (381), 21 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2024-11-17 04:26:05,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 336 states to 336 states and 423 transitions. [2024-11-17 04:26:05,534 INFO L78 Accepts]: Start accepts. Automaton has 336 states and 423 transitions. Word has length 83 [2024-11-17 04:26:05,535 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:26:05,535 INFO L471 AbstractCegarLoop]: Abstraction has 336 states and 423 transitions. [2024-11-17 04:26:05,535 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 8 states have (on average 13.25) internal successors, (106), 9 states have internal predecessors, (106), 4 states have call successors, (14), 1 states have call predecessors, (14), 2 states have return successors, (14), 6 states have call predecessors, (14), 4 states have call successors, (14) [2024-11-17 04:26:05,535 INFO L276 IsEmpty]: Start isEmpty. Operand 336 states and 423 transitions. [2024-11-17 04:26:05,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2024-11-17 04:26:05,536 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:26:05,536 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:26:05,549 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Forceful destruction successful, exit code 0 [2024-11-17 04:26:05,740 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27,24 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:26:05,740 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-11-17 04:26:05,740 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:26:05,740 INFO L85 PathProgramCache]: Analyzing trace with hash 2112064341, now seen corresponding path program 1 times [2024-11-17 04:26:05,741 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:26:05,741 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1016966975] [2024-11-17 04:26:05,741 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:26:05,741 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:26:05,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:26:05,752 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1180098611] [2024-11-17 04:26:05,752 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:26:05,752 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:26:05,752 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:26:05,754 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 04:26:05,757 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2024-11-17 04:26:05,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:26:05,815 INFO L255 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-17 04:26:05,817 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:26:06,146 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-11-17 04:26:06,146 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:26:10,608 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:26:10,608 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1016966975] [2024-11-17 04:26:10,609 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:26:10,609 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1180098611] [2024-11-17 04:26:10,609 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1180098611] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:26:10,609 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-17 04:26:10,609 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2024-11-17 04:26:10,609 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [801599793] [2024-11-17 04:26:10,609 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-17 04:26:10,609 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-17 04:26:10,609 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:26:10,610 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-17 04:26:10,610 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=63, Unknown=1, NotChecked=0, Total=90 [2024-11-17 04:26:10,610 INFO L87 Difference]: Start difference. First operand 336 states and 423 transitions. Second operand has 8 states, 7 states have (on average 8.285714285714286) internal successors, (58), 7 states have internal predecessors, (58), 2 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (7), 3 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-17 04:26:11,357 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:26:11,357 INFO L93 Difference]: Finished difference Result 357 states and 436 transitions. [2024-11-17 04:26:11,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-17 04:26:11,358 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 8.285714285714286) internal successors, (58), 7 states have internal predecessors, (58), 2 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (7), 3 states have call predecessors, (7), 2 states have call successors, (7) Word has length 84 [2024-11-17 04:26:11,358 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:26:11,359 INFO L225 Difference]: With dead ends: 357 [2024-11-17 04:26:11,359 INFO L226 Difference]: Without dead ends: 354 [2024-11-17 04:26:11,359 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 89 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 4.2s TimeCoverageRelationStatistics Valid=26, Invalid=63, Unknown=1, NotChecked=0, Total=90 [2024-11-17 04:26:11,360 INFO L432 NwaCegarLoop]: 94 mSDtfsCounter, 202 mSDsluCounter, 331 mSDsCounter, 0 mSdLazyCounter, 660 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 211 SdHoareTripleChecker+Valid, 425 SdHoareTripleChecker+Invalid, 663 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 660 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-17 04:26:11,360 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [211 Valid, 425 Invalid, 663 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 660 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-17 04:26:11,360 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 354 states. [2024-11-17 04:26:11,372 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 354 to 336. [2024-11-17 04:26:11,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 336 states, 251 states have (on average 1.4940239043824701) internal successors, (375), 312 states have internal predecessors, (375), 21 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2024-11-17 04:26:11,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 336 states to 336 states and 417 transitions. [2024-11-17 04:26:11,374 INFO L78 Accepts]: Start accepts. Automaton has 336 states and 417 transitions. Word has length 84 [2024-11-17 04:26:11,374 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:26:11,374 INFO L471 AbstractCegarLoop]: Abstraction has 336 states and 417 transitions. [2024-11-17 04:26:11,375 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 8.285714285714286) internal successors, (58), 7 states have internal predecessors, (58), 2 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (7), 3 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-17 04:26:11,375 INFO L276 IsEmpty]: Start isEmpty. Operand 336 states and 417 transitions. [2024-11-17 04:26:11,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2024-11-17 04:26:11,375 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:26:11,375 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:26:11,391 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Ended with exit code 0 [2024-11-17 04:26:11,579 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 25 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2024-11-17 04:26:11,580 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-11-17 04:26:11,580 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:26:11,580 INFO L85 PathProgramCache]: Analyzing trace with hash 1049485174, now seen corresponding path program 1 times [2024-11-17 04:26:11,580 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:26:11,580 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1266352349] [2024-11-17 04:26:11,580 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:26:11,580 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:26:11,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:26:11,596 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1430634179] [2024-11-17 04:26:11,596 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:26:11,596 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:26:11,596 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:26:11,601 INFO L229 MonitoredProcess]: Starting monitored process 26 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 04:26:11,604 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process [2024-11-17 04:26:11,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:26:11,651 INFO L255 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-17 04:26:11,653 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:26:12,198 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-11-17 04:26:12,198 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:26:12,384 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:26:12,384 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1266352349] [2024-11-17 04:26:12,384 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:26:12,384 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1430634179] [2024-11-17 04:26:12,384 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1430634179] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:26:12,384 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-17 04:26:12,384 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2024-11-17 04:26:12,384 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [890761641] [2024-11-17 04:26:12,384 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-17 04:26:12,385 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-17 04:26:12,385 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:26:12,385 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-17 04:26:12,385 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2024-11-17 04:26:12,386 INFO L87 Difference]: Start difference. First operand 336 states and 417 transitions. Second operand has 8 states, 7 states have (on average 8.428571428571429) internal successors, (59), 7 states have internal predecessors, (59), 2 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (7), 3 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-17 04:26:14,053 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:26:14,053 INFO L93 Difference]: Finished difference Result 343 states and 418 transitions. [2024-11-17 04:26:14,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-17 04:26:14,053 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 8.428571428571429) internal successors, (59), 7 states have internal predecessors, (59), 2 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (7), 3 states have call predecessors, (7), 2 states have call successors, (7) Word has length 85 [2024-11-17 04:26:14,053 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:26:14,054 INFO L225 Difference]: With dead ends: 343 [2024-11-17 04:26:14,054 INFO L226 Difference]: Without dead ends: 340 [2024-11-17 04:26:14,055 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2024-11-17 04:26:14,055 INFO L432 NwaCegarLoop]: 83 mSDtfsCounter, 161 mSDsluCounter, 254 mSDsCounter, 0 mSdLazyCounter, 567 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 167 SdHoareTripleChecker+Valid, 337 SdHoareTripleChecker+Invalid, 570 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 567 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2024-11-17 04:26:14,055 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [167 Valid, 337 Invalid, 570 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 567 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-11-17 04:26:14,056 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 340 states. [2024-11-17 04:26:14,068 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 340 to 336. [2024-11-17 04:26:14,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 336 states, 251 states have (on average 1.4701195219123506) internal successors, (369), 312 states have internal predecessors, (369), 21 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2024-11-17 04:26:14,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 336 states to 336 states and 411 transitions. [2024-11-17 04:26:14,070 INFO L78 Accepts]: Start accepts. Automaton has 336 states and 411 transitions. Word has length 85 [2024-11-17 04:26:14,070 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:26:14,070 INFO L471 AbstractCegarLoop]: Abstraction has 336 states and 411 transitions. [2024-11-17 04:26:14,070 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 8.428571428571429) internal successors, (59), 7 states have internal predecessors, (59), 2 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (7), 3 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-17 04:26:14,070 INFO L276 IsEmpty]: Start isEmpty. Operand 336 states and 411 transitions. [2024-11-17 04:26:14,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-11-17 04:26:14,071 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:26:14,072 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:26:14,090 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Ended with exit code 0 [2024-11-17 04:26:14,272 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,26 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:26:14,272 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-11-17 04:26:14,273 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:26:14,273 INFO L85 PathProgramCache]: Analyzing trace with hash -133238382, now seen corresponding path program 1 times [2024-11-17 04:26:14,273 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:26:14,273 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [414189542] [2024-11-17 04:26:14,273 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:26:14,273 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:26:14,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:26:14,331 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-17 04:26:14,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:26:14,334 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-17 04:26:14,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:26:14,335 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-17 04:26:14,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:26:14,338 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-17 04:26:14,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:26:14,339 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-17 04:26:14,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:26:14,341 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-17 04:26:14,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:26:14,343 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-17 04:26:14,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:26:14,345 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-17 04:26:14,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:26:14,346 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-11-17 04:26:14,346 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:26:14,347 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [414189542] [2024-11-17 04:26:14,347 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [414189542] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:26:14,347 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:26:14,347 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-17 04:26:14,347 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [858890722] [2024-11-17 04:26:14,347 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:26:14,347 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-17 04:26:14,348 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:26:14,348 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-17 04:26:14,348 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 04:26:14,349 INFO L87 Difference]: Start difference. First operand 336 states and 411 transitions. Second operand has 3 states, 2 states have (on average 32.0) internal successors, (64), 3 states have internal predecessors, (64), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) [2024-11-17 04:26:14,450 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:26:14,450 INFO L93 Difference]: Finished difference Result 336 states and 411 transitions. [2024-11-17 04:26:14,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-17 04:26:14,451 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 32.0) internal successors, (64), 3 states have internal predecessors, (64), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) Word has length 98 [2024-11-17 04:26:14,451 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:26:14,452 INFO L225 Difference]: With dead ends: 336 [2024-11-17 04:26:14,452 INFO L226 Difference]: Without dead ends: 335 [2024-11-17 04:26:14,453 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 04:26:14,453 INFO L432 NwaCegarLoop]: 170 mSDtfsCounter, 2 mSDsluCounter, 139 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 309 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 04:26:14,453 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 309 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 04:26:14,454 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 335 states. [2024-11-17 04:26:14,468 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 335 to 335. [2024-11-17 04:26:14,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 335 states, 251 states have (on average 1.454183266932271) internal successors, (365), 311 states have internal predecessors, (365), 21 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2024-11-17 04:26:14,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 335 states to 335 states and 407 transitions. [2024-11-17 04:26:14,470 INFO L78 Accepts]: Start accepts. Automaton has 335 states and 407 transitions. Word has length 98 [2024-11-17 04:26:14,470 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:26:14,470 INFO L471 AbstractCegarLoop]: Abstraction has 335 states and 407 transitions. [2024-11-17 04:26:14,471 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 32.0) internal successors, (64), 3 states have internal predecessors, (64), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) [2024-11-17 04:26:14,471 INFO L276 IsEmpty]: Start isEmpty. Operand 335 states and 407 transitions. [2024-11-17 04:26:14,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-11-17 04:26:14,472 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:26:14,472 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:26:14,472 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2024-11-17 04:26:14,472 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-11-17 04:26:14,472 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:26:14,473 INFO L85 PathProgramCache]: Analyzing trace with hash 164577478, now seen corresponding path program 1 times [2024-11-17 04:26:14,473 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:26:14,473 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1287376396] [2024-11-17 04:26:14,473 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:26:14,473 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:26:14,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:26:14,546 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-17 04:26:14,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:26:14,548 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-17 04:26:14,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:26:14,550 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-17 04:26:14,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:26:14,554 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-17 04:26:14,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:26:14,556 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-17 04:26:14,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:26:14,559 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-17 04:26:14,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:26:14,561 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-17 04:26:14,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:26:14,563 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-17 04:26:14,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:26:14,566 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-11-17 04:26:14,566 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:26:14,566 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1287376396] [2024-11-17 04:26:14,567 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1287376396] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:26:14,567 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:26:14,567 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-17 04:26:14,567 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1605656550] [2024-11-17 04:26:14,567 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:26:14,567 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-17 04:26:14,568 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:26:14,568 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-17 04:26:14,568 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-17 04:26:14,569 INFO L87 Difference]: Start difference. First operand 335 states and 407 transitions. Second operand has 5 states, 4 states have (on average 16.25) internal successors, (65), 5 states have internal predecessors, (65), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-11-17 04:26:15,529 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:26:15,529 INFO L93 Difference]: Finished difference Result 343 states and 411 transitions. [2024-11-17 04:26:15,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-17 04:26:15,530 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 16.25) internal successors, (65), 5 states have internal predecessors, (65), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) Word has length 99 [2024-11-17 04:26:15,530 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:26:15,531 INFO L225 Difference]: With dead ends: 343 [2024-11-17 04:26:15,531 INFO L226 Difference]: Without dead ends: 342 [2024-11-17 04:26:15,531 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-17 04:26:15,531 INFO L432 NwaCegarLoop]: 77 mSDtfsCounter, 312 mSDsluCounter, 158 mSDsCounter, 0 mSdLazyCounter, 345 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 317 SdHoareTripleChecker+Valid, 235 SdHoareTripleChecker+Invalid, 362 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 345 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-17 04:26:15,532 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [317 Valid, 235 Invalid, 362 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 345 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-17 04:26:15,532 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 342 states. [2024-11-17 04:26:15,546 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 342 to 335. [2024-11-17 04:26:15,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 335 states, 251 states have (on average 1.450199203187251) internal successors, (364), 311 states have internal predecessors, (364), 21 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2024-11-17 04:26:15,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 335 states to 335 states and 406 transitions. [2024-11-17 04:26:15,548 INFO L78 Accepts]: Start accepts. Automaton has 335 states and 406 transitions. Word has length 99 [2024-11-17 04:26:15,548 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:26:15,549 INFO L471 AbstractCegarLoop]: Abstraction has 335 states and 406 transitions. [2024-11-17 04:26:15,549 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 16.25) internal successors, (65), 5 states have internal predecessors, (65), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-11-17 04:26:15,549 INFO L276 IsEmpty]: Start isEmpty. Operand 335 states and 406 transitions. [2024-11-17 04:26:15,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2024-11-17 04:26:15,550 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:26:15,550 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:26:15,550 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2024-11-17 04:26:15,550 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-11-17 04:26:15,550 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:26:15,551 INFO L85 PathProgramCache]: Analyzing trace with hash -756033469, now seen corresponding path program 1 times [2024-11-17 04:26:15,551 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:26:15,551 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1737785698] [2024-11-17 04:26:15,551 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:26:15,551 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:26:15,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:26:15,669 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-17 04:26:15,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:26:15,671 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-17 04:26:15,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:26:15,672 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-17 04:26:15,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:26:15,674 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-17 04:26:15,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:26:15,676 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-17 04:26:15,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:26:15,678 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-17 04:26:15,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:26:15,680 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-17 04:26:15,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:26:15,683 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-17 04:26:15,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:26:15,686 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-11-17 04:26:15,686 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:26:15,686 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1737785698] [2024-11-17 04:26:15,686 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1737785698] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:26:15,687 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:26:15,687 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-17 04:26:15,687 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [589619354] [2024-11-17 04:26:15,687 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:26:15,687 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-17 04:26:15,687 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:26:15,688 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-17 04:26:15,688 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-17 04:26:15,689 INFO L87 Difference]: Start difference. First operand 335 states and 406 transitions. Second operand has 5 states, 4 states have (on average 16.75) internal successors, (67), 5 states have internal predecessors, (67), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-17 04:26:16,525 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:26:16,525 INFO L93 Difference]: Finished difference Result 353 states and 419 transitions. [2024-11-17 04:26:16,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-17 04:26:16,525 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 16.75) internal successors, (67), 5 states have internal predecessors, (67), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 101 [2024-11-17 04:26:16,525 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:26:16,526 INFO L225 Difference]: With dead ends: 353 [2024-11-17 04:26:16,526 INFO L226 Difference]: Without dead ends: 352 [2024-11-17 04:26:16,527 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-17 04:26:16,527 INFO L432 NwaCegarLoop]: 165 mSDtfsCounter, 18 mSDsluCounter, 393 mSDsCounter, 0 mSdLazyCounter, 129 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 558 SdHoareTripleChecker+Invalid, 129 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 129 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-17 04:26:16,527 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 558 Invalid, 129 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 129 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-17 04:26:16,528 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 352 states. [2024-11-17 04:26:16,542 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 352 to 340. [2024-11-17 04:26:16,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 340 states, 256 states have (on average 1.44140625) internal successors, (369), 316 states have internal predecessors, (369), 21 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2024-11-17 04:26:16,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 340 states and 411 transitions. [2024-11-17 04:26:16,543 INFO L78 Accepts]: Start accepts. Automaton has 340 states and 411 transitions. Word has length 101 [2024-11-17 04:26:16,544 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:26:16,544 INFO L471 AbstractCegarLoop]: Abstraction has 340 states and 411 transitions. [2024-11-17 04:26:16,544 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 16.75) internal successors, (67), 5 states have internal predecessors, (67), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-17 04:26:16,544 INFO L276 IsEmpty]: Start isEmpty. Operand 340 states and 411 transitions. [2024-11-17 04:26:16,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2024-11-17 04:26:16,545 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:26:16,545 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:26:16,545 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2024-11-17 04:26:16,545 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-11-17 04:26:16,545 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:26:16,546 INFO L85 PathProgramCache]: Analyzing trace with hash -1962201050, now seen corresponding path program 1 times [2024-11-17 04:26:16,546 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:26:16,546 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [566888926] [2024-11-17 04:26:16,546 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:26:16,546 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:26:16,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:26:16,560 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2056711799] [2024-11-17 04:26:16,560 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:26:16,560 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:26:16,560 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:26:16,562 INFO L229 MonitoredProcess]: Starting monitored process 27 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 04:26:16,564 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Waiting until timeout for monitored process [2024-11-17 04:26:16,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:26:16,625 INFO L255 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-17 04:26:16,627 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:26:16,775 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-11-17 04:26:16,775 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 04:26:16,775 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:26:16,775 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [566888926] [2024-11-17 04:26:16,775 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:26:16,776 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2056711799] [2024-11-17 04:26:16,776 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2056711799] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:26:16,776 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:26:16,776 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-17 04:26:16,776 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1595298374] [2024-11-17 04:26:16,776 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:26:16,777 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 04:26:16,777 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:26:16,777 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 04:26:16,777 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-17 04:26:16,777 INFO L87 Difference]: Start difference. First operand 340 states and 411 transitions. Second operand has 4 states, 3 states have (on average 22.666666666666668) internal successors, (68), 4 states have internal predecessors, (68), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-17 04:26:17,237 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:26:17,237 INFO L93 Difference]: Finished difference Result 353 states and 417 transitions. [2024-11-17 04:26:17,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 04:26:17,238 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 22.666666666666668) internal successors, (68), 4 states have internal predecessors, (68), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 102 [2024-11-17 04:26:17,238 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:26:17,239 INFO L225 Difference]: With dead ends: 353 [2024-11-17 04:26:17,239 INFO L226 Difference]: Without dead ends: 352 [2024-11-17 04:26:17,239 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 99 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-17 04:26:17,239 INFO L432 NwaCegarLoop]: 146 mSDtfsCounter, 21 mSDsluCounter, 198 mSDsCounter, 0 mSdLazyCounter, 169 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 344 SdHoareTripleChecker+Invalid, 170 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 169 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-17 04:26:17,239 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 344 Invalid, 170 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 169 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-17 04:26:17,240 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 352 states. [2024-11-17 04:26:17,254 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 352 to 342. [2024-11-17 04:26:17,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 342 states, 258 states have (on average 1.437984496124031) internal successors, (371), 318 states have internal predecessors, (371), 21 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2024-11-17 04:26:17,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 342 states to 342 states and 413 transitions. [2024-11-17 04:26:17,255 INFO L78 Accepts]: Start accepts. Automaton has 342 states and 413 transitions. Word has length 102 [2024-11-17 04:26:17,255 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:26:17,256 INFO L471 AbstractCegarLoop]: Abstraction has 342 states and 413 transitions. [2024-11-17 04:26:17,256 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 22.666666666666668) internal successors, (68), 4 states have internal predecessors, (68), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-17 04:26:17,256 INFO L276 IsEmpty]: Start isEmpty. Operand 342 states and 413 transitions. [2024-11-17 04:26:17,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2024-11-17 04:26:17,257 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:26:17,257 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:26:17,274 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Ended with exit code 0 [2024-11-17 04:26:17,461 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable33 [2024-11-17 04:26:17,462 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-11-17 04:26:17,462 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:26:17,462 INFO L85 PathProgramCache]: Analyzing trace with hash -1274124510, now seen corresponding path program 1 times [2024-11-17 04:26:17,463 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:26:17,463 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1052445164] [2024-11-17 04:26:17,463 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:26:17,463 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:26:17,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:26:17,591 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-17 04:26:17,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:26:17,592 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-17 04:26:17,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:26:17,594 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-17 04:26:17,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:26:17,596 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-17 04:26:17,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:26:17,598 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-17 04:26:17,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:26:17,600 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-17 04:26:17,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:26:17,604 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-17 04:26:17,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:26:17,606 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-17 04:26:17,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:26:17,608 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-11-17 04:26:17,608 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:26:17,609 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1052445164] [2024-11-17 04:26:17,609 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1052445164] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:26:17,609 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:26:17,609 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-17 04:26:17,609 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [578245011] [2024-11-17 04:26:17,609 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:26:17,609 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-17 04:26:17,610 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:26:17,610 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-17 04:26:17,610 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-17 04:26:17,610 INFO L87 Difference]: Start difference. First operand 342 states and 413 transitions. Second operand has 5 states, 4 states have (on average 18.0) internal successors, (72), 5 states have internal predecessors, (72), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-17 04:26:18,241 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:26:18,241 INFO L93 Difference]: Finished difference Result 362 states and 426 transitions. [2024-11-17 04:26:18,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-17 04:26:18,242 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 18.0) internal successors, (72), 5 states have internal predecessors, (72), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 106 [2024-11-17 04:26:18,242 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:26:18,243 INFO L225 Difference]: With dead ends: 362 [2024-11-17 04:26:18,243 INFO L226 Difference]: Without dead ends: 361 [2024-11-17 04:26:18,243 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-17 04:26:18,243 INFO L432 NwaCegarLoop]: 165 mSDtfsCounter, 20 mSDsluCounter, 393 mSDsCounter, 0 mSdLazyCounter, 129 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 558 SdHoareTripleChecker+Invalid, 129 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 129 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-17 04:26:18,244 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 558 Invalid, 129 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 129 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-17 04:26:18,244 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 361 states. [2024-11-17 04:26:18,257 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 361 to 349. [2024-11-17 04:26:18,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 349 states, 265 states have (on average 1.4339622641509433) internal successors, (380), 325 states have internal predecessors, (380), 21 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2024-11-17 04:26:18,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 349 states to 349 states and 422 transitions. [2024-11-17 04:26:18,259 INFO L78 Accepts]: Start accepts. Automaton has 349 states and 422 transitions. Word has length 106 [2024-11-17 04:26:18,259 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:26:18,259 INFO L471 AbstractCegarLoop]: Abstraction has 349 states and 422 transitions. [2024-11-17 04:26:18,260 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 18.0) internal successors, (72), 5 states have internal predecessors, (72), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-17 04:26:18,260 INFO L276 IsEmpty]: Start isEmpty. Operand 349 states and 422 transitions. [2024-11-17 04:26:18,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2024-11-17 04:26:18,261 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:26:18,261 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:26:18,261 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2024-11-17 04:26:18,261 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr60ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-11-17 04:26:18,261 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:26:18,261 INFO L85 PathProgramCache]: Analyzing trace with hash -1471402068, now seen corresponding path program 1 times [2024-11-17 04:26:18,262 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:26:18,262 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [477078951] [2024-11-17 04:26:18,262 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:26:18,262 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:26:18,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:26:18,355 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-17 04:26:18,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:26:18,359 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-17 04:26:18,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:26:18,362 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-17 04:26:18,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:26:18,364 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-17 04:26:18,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:26:18,365 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-17 04:26:18,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:26:18,367 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-17 04:26:18,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:26:18,368 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-17 04:26:18,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:26:18,370 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-17 04:26:18,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:26:18,373 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-11-17 04:26:18,373 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:26:18,373 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [477078951] [2024-11-17 04:26:18,373 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [477078951] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:26:18,373 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [874517474] [2024-11-17 04:26:18,374 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:26:18,374 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:26:18,374 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:26:18,376 INFO L229 MonitoredProcess]: Starting monitored process 28 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 04:26:18,377 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Waiting until timeout for monitored process [2024-11-17 04:26:18,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:26:18,440 INFO L255 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-17 04:26:18,442 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:26:18,556 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-11-17 04:26:18,557 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:26:18,708 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-11-17 04:26:18,708 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [874517474] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 04:26:18,708 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 04:26:18,708 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6, 7] total 13 [2024-11-17 04:26:18,709 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2036218864] [2024-11-17 04:26:18,709 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 04:26:18,709 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-17 04:26:18,709 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:26:18,709 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-17 04:26:18,710 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=135, Unknown=0, NotChecked=0, Total=182 [2024-11-17 04:26:18,710 INFO L87 Difference]: Start difference. First operand 349 states and 422 transitions. Second operand has 14 states, 13 states have (on average 11.076923076923077) internal successors, (144), 14 states have internal predecessors, (144), 4 states have call successors, (24), 3 states have call predecessors, (24), 3 states have return successors, (24), 4 states have call predecessors, (24), 4 states have call successors, (24) [2024-11-17 04:26:19,001 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:26:19,001 INFO L93 Difference]: Finished difference Result 875 states and 1025 transitions. [2024-11-17 04:26:19,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-11-17 04:26:19,002 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 11.076923076923077) internal successors, (144), 14 states have internal predecessors, (144), 4 states have call successors, (24), 3 states have call predecessors, (24), 3 states have return successors, (24), 4 states have call predecessors, (24), 4 states have call successors, (24) Word has length 106 [2024-11-17 04:26:19,002 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:26:19,004 INFO L225 Difference]: With dead ends: 875 [2024-11-17 04:26:19,004 INFO L226 Difference]: Without dead ends: 660 [2024-11-17 04:26:19,005 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 245 GetRequests, 220 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 112 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=182, Invalid=520, Unknown=0, NotChecked=0, Total=702 [2024-11-17 04:26:19,005 INFO L432 NwaCegarLoop]: 162 mSDtfsCounter, 286 mSDsluCounter, 1432 mSDsCounter, 0 mSdLazyCounter, 196 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 286 SdHoareTripleChecker+Valid, 1594 SdHoareTripleChecker+Invalid, 207 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 196 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 04:26:19,006 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [286 Valid, 1594 Invalid, 207 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 196 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 04:26:19,007 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 660 states. [2024-11-17 04:26:19,033 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 660 to 552. [2024-11-17 04:26:19,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 552 states, 451 states have (on average 1.3991130820399114) internal successors, (631), 512 states have internal predecessors, (631), 34 states have call successors, (34), 6 states have call predecessors, (34), 6 states have return successors, (34), 33 states have call predecessors, (34), 34 states have call successors, (34) [2024-11-17 04:26:19,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 552 states to 552 states and 699 transitions. [2024-11-17 04:26:19,035 INFO L78 Accepts]: Start accepts. Automaton has 552 states and 699 transitions. Word has length 106 [2024-11-17 04:26:19,036 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:26:19,036 INFO L471 AbstractCegarLoop]: Abstraction has 552 states and 699 transitions. [2024-11-17 04:26:19,036 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 11.076923076923077) internal successors, (144), 14 states have internal predecessors, (144), 4 states have call successors, (24), 3 states have call predecessors, (24), 3 states have return successors, (24), 4 states have call predecessors, (24), 4 states have call successors, (24) [2024-11-17 04:26:19,036 INFO L276 IsEmpty]: Start isEmpty. Operand 552 states and 699 transitions. [2024-11-17 04:26:19,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2024-11-17 04:26:19,037 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:26:19,037 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:26:19,054 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Ended with exit code 0 [2024-11-17 04:26:19,241 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 28 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable35 [2024-11-17 04:26:19,241 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-11-17 04:26:19,242 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:26:19,242 INFO L85 PathProgramCache]: Analyzing trace with hash -843154146, now seen corresponding path program 1 times [2024-11-17 04:26:19,242 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:26:19,242 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [799742589] [2024-11-17 04:26:19,242 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:26:19,242 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:26:19,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:26:19,271 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [643217191] [2024-11-17 04:26:19,271 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:26:19,271 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:26:19,272 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:26:19,274 INFO L229 MonitoredProcess]: Starting monitored process 29 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 04:26:19,275 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Waiting until timeout for monitored process [2024-11-17 04:26:19,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:26:19,337 INFO L255 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-17 04:26:19,339 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:26:19,513 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-11-17 04:26:19,513 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 04:26:19,513 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:26:19,513 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [799742589] [2024-11-17 04:26:19,513 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:26:19,513 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [643217191] [2024-11-17 04:26:19,513 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [643217191] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:26:19,513 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:26:19,514 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-17 04:26:19,514 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [267617643] [2024-11-17 04:26:19,514 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:26:19,514 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-17 04:26:19,514 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:26:19,514 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-17 04:26:19,515 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-17 04:26:19,515 INFO L87 Difference]: Start difference. First operand 552 states and 699 transitions. Second operand has 5 states, 4 states have (on average 18.25) internal successors, (73), 5 states have internal predecessors, (73), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-11-17 04:26:19,777 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:26:19,777 INFO L93 Difference]: Finished difference Result 564 states and 703 transitions. [2024-11-17 04:26:19,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-17 04:26:19,777 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 18.25) internal successors, (73), 5 states have internal predecessors, (73), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) Word has length 107 [2024-11-17 04:26:19,778 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:26:19,779 INFO L225 Difference]: With dead ends: 564 [2024-11-17 04:26:19,780 INFO L226 Difference]: Without dead ends: 563 [2024-11-17 04:26:19,780 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-17 04:26:19,780 INFO L432 NwaCegarLoop]: 155 mSDtfsCounter, 77 mSDsluCounter, 330 mSDsCounter, 0 mSdLazyCounter, 114 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 81 SdHoareTripleChecker+Valid, 485 SdHoareTripleChecker+Invalid, 114 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 114 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-17 04:26:19,780 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [81 Valid, 485 Invalid, 114 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 114 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-17 04:26:19,782 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 563 states. [2024-11-17 04:26:19,806 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 563 to 554. [2024-11-17 04:26:19,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 554 states, 453 states have (on average 1.3973509933774835) internal successors, (633), 514 states have internal predecessors, (633), 34 states have call successors, (34), 6 states have call predecessors, (34), 6 states have return successors, (34), 33 states have call predecessors, (34), 34 states have call successors, (34) [2024-11-17 04:26:19,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 554 states to 554 states and 701 transitions. [2024-11-17 04:26:19,808 INFO L78 Accepts]: Start accepts. Automaton has 554 states and 701 transitions. Word has length 107 [2024-11-17 04:26:19,809 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:26:19,809 INFO L471 AbstractCegarLoop]: Abstraction has 554 states and 701 transitions. [2024-11-17 04:26:19,809 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 18.25) internal successors, (73), 5 states have internal predecessors, (73), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-11-17 04:26:19,809 INFO L276 IsEmpty]: Start isEmpty. Operand 554 states and 701 transitions. [2024-11-17 04:26:19,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2024-11-17 04:26:19,810 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:26:19,810 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:26:19,827 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Ended with exit code 0 [2024-11-17 04:26:20,010 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36,29 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:26:20,011 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr59ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-11-17 04:26:20,011 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:26:20,011 INFO L85 PathProgramCache]: Analyzing trace with hash -102677603, now seen corresponding path program 1 times [2024-11-17 04:26:20,011 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:26:20,011 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [220005109] [2024-11-17 04:26:20,012 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:26:20,012 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:26:20,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:26:20,028 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [141750442] [2024-11-17 04:26:20,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:26:20,029 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:26:20,029 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:26:20,033 INFO L229 MonitoredProcess]: Starting monitored process 30 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 04:26:20,036 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Waiting until timeout for monitored process [2024-11-17 04:26:20,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:26:20,098 INFO L255 TraceCheckSpWp]: Trace formula consists of 195 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-17 04:26:20,100 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:26:20,280 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 9 proven. 6 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2024-11-17 04:26:20,280 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:26:20,365 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:26:20,365 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [220005109] [2024-11-17 04:26:20,365 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:26:20,365 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [141750442] [2024-11-17 04:26:20,365 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [141750442] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:26:20,365 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-17 04:26:20,366 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2024-11-17 04:26:20,366 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [281215063] [2024-11-17 04:26:20,366 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-17 04:26:20,366 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-17 04:26:20,366 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:26:20,367 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-17 04:26:20,367 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2024-11-17 04:26:20,367 INFO L87 Difference]: Start difference. First operand 554 states and 701 transitions. Second operand has 8 states, 7 states have (on average 11.142857142857142) internal successors, (78), 7 states have internal predecessors, (78), 3 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 3 states have call successors, (8) [2024-11-17 04:26:20,805 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:26:20,805 INFO L93 Difference]: Finished difference Result 558 states and 701 transitions. [2024-11-17 04:26:20,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-17 04:26:20,806 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 11.142857142857142) internal successors, (78), 7 states have internal predecessors, (78), 3 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 3 states have call successors, (8) Word has length 109 [2024-11-17 04:26:20,806 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:26:20,808 INFO L225 Difference]: With dead ends: 558 [2024-11-17 04:26:20,808 INFO L226 Difference]: Without dead ends: 556 [2024-11-17 04:26:20,808 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 125 GetRequests, 114 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=110, Unknown=0, NotChecked=0, Total=156 [2024-11-17 04:26:20,808 INFO L432 NwaCegarLoop]: 121 mSDtfsCounter, 231 mSDsluCounter, 422 mSDsCounter, 0 mSdLazyCounter, 568 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 236 SdHoareTripleChecker+Valid, 543 SdHoareTripleChecker+Invalid, 579 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 568 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-17 04:26:20,808 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [236 Valid, 543 Invalid, 579 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 568 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-17 04:26:20,809 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 556 states. [2024-11-17 04:26:20,830 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 556 to 554. [2024-11-17 04:26:20,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 554 states, 453 states have (on average 1.3841059602649006) internal successors, (627), 514 states have internal predecessors, (627), 34 states have call successors, (34), 6 states have call predecessors, (34), 6 states have return successors, (34), 33 states have call predecessors, (34), 34 states have call successors, (34) [2024-11-17 04:26:20,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 554 states to 554 states and 695 transitions. [2024-11-17 04:26:20,832 INFO L78 Accepts]: Start accepts. Automaton has 554 states and 695 transitions. Word has length 109 [2024-11-17 04:26:20,833 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:26:20,833 INFO L471 AbstractCegarLoop]: Abstraction has 554 states and 695 transitions. [2024-11-17 04:26:20,833 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 11.142857142857142) internal successors, (78), 7 states have internal predecessors, (78), 3 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 3 states have call successors, (8) [2024-11-17 04:26:20,833 INFO L276 IsEmpty]: Start isEmpty. Operand 554 states and 695 transitions. [2024-11-17 04:26:20,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2024-11-17 04:26:20,834 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:26:20,834 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:26:20,851 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Forceful destruction successful, exit code 0 [2024-11-17 04:26:21,034 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 30 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable37 [2024-11-17 04:26:21,035 INFO L396 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr58ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-11-17 04:26:21,035 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:26:21,035 INFO L85 PathProgramCache]: Analyzing trace with hash 1111961705, now seen corresponding path program 1 times [2024-11-17 04:26:21,035 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:26:21,035 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1934162127] [2024-11-17 04:26:21,035 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:26:21,036 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:26:21,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:26:21,051 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1602206898] [2024-11-17 04:26:21,051 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:26:21,051 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:26:21,051 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:26:21,053 INFO L229 MonitoredProcess]: Starting monitored process 31 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 04:26:21,054 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Waiting until timeout for monitored process [2024-11-17 04:26:21,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:26:21,122 INFO L255 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-17 04:26:21,123 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:26:21,464 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 3 proven. 13 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2024-11-17 04:26:21,464 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:26:21,922 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:26:21,923 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1934162127] [2024-11-17 04:26:21,923 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:26:21,923 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1602206898] [2024-11-17 04:26:21,923 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1602206898] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:26:21,923 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-17 04:26:21,923 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2024-11-17 04:26:21,923 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [18121110] [2024-11-17 04:26:21,923 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-17 04:26:21,924 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-17 04:26:21,924 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:26:21,924 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-17 04:26:21,924 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2024-11-17 04:26:21,924 INFO L87 Difference]: Start difference. First operand 554 states and 695 transitions. Second operand has 9 states, 7 states have (on average 11.285714285714286) internal successors, (79), 8 states have internal predecessors, (79), 3 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 3 states have call successors, (8) [2024-11-17 04:26:22,313 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:26:22,313 INFO L93 Difference]: Finished difference Result 558 states and 695 transitions. [2024-11-17 04:26:22,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-17 04:26:22,314 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 7 states have (on average 11.285714285714286) internal successors, (79), 8 states have internal predecessors, (79), 3 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 3 states have call successors, (8) Word has length 110 [2024-11-17 04:26:22,314 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:26:22,316 INFO L225 Difference]: With dead ends: 558 [2024-11-17 04:26:22,316 INFO L226 Difference]: Without dead ends: 556 [2024-11-17 04:26:22,316 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 127 GetRequests, 115 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=53, Invalid=129, Unknown=0, NotChecked=0, Total=182 [2024-11-17 04:26:22,317 INFO L432 NwaCegarLoop]: 95 mSDtfsCounter, 603 mSDsluCounter, 339 mSDsCounter, 0 mSdLazyCounter, 440 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 608 SdHoareTripleChecker+Valid, 434 SdHoareTripleChecker+Invalid, 478 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 440 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-17 04:26:22,317 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [608 Valid, 434 Invalid, 478 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 440 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-17 04:26:22,317 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 556 states. [2024-11-17 04:26:22,348 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 556 to 554. [2024-11-17 04:26:22,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 554 states, 453 states have (on average 1.379690949227373) internal successors, (625), 514 states have internal predecessors, (625), 34 states have call successors, (34), 6 states have call predecessors, (34), 6 states have return successors, (34), 33 states have call predecessors, (34), 34 states have call successors, (34) [2024-11-17 04:26:22,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 554 states to 554 states and 693 transitions. [2024-11-17 04:26:22,350 INFO L78 Accepts]: Start accepts. Automaton has 554 states and 693 transitions. Word has length 110 [2024-11-17 04:26:22,350 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:26:22,350 INFO L471 AbstractCegarLoop]: Abstraction has 554 states and 693 transitions. [2024-11-17 04:26:22,351 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 7 states have (on average 11.285714285714286) internal successors, (79), 8 states have internal predecessors, (79), 3 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 3 states have call successors, (8) [2024-11-17 04:26:22,351 INFO L276 IsEmpty]: Start isEmpty. Operand 554 states and 693 transitions. [2024-11-17 04:26:22,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2024-11-17 04:26:22,351 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:26:22,352 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:26:22,368 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Forceful destruction successful, exit code 0 [2024-11-17 04:26:22,555 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 31 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable38 [2024-11-17 04:26:22,556 INFO L396 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr57ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-11-17 04:26:22,556 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:26:22,556 INFO L85 PathProgramCache]: Analyzing trace with hash 111074587, now seen corresponding path program 1 times [2024-11-17 04:26:22,556 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:26:22,556 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1129896136] [2024-11-17 04:26:22,556 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:26:22,556 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:26:22,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:26:22,620 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-17 04:26:22,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:26:22,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-17 04:26:22,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:26:22,624 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-17 04:26:22,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:26:22,625 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-17 04:26:22,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:26:22,626 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-17 04:26:22,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:26:22,627 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-17 04:26:22,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:26:22,628 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-17 04:26:22,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:26:22,629 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-17 04:26:22,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:26:22,634 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-11-17 04:26:22,635 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:26:22,635 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1129896136] [2024-11-17 04:26:22,635 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1129896136] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:26:22,635 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:26:22,635 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-17 04:26:22,635 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2063967565] [2024-11-17 04:26:22,635 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:26:22,635 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-17 04:26:22,635 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:26:22,636 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-17 04:26:22,636 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-17 04:26:22,636 INFO L87 Difference]: Start difference. First operand 554 states and 693 transitions. Second operand has 5 states, 4 states have (on average 19.25) internal successors, (77), 5 states have internal predecessors, (77), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) [2024-11-17 04:26:23,369 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:26:23,369 INFO L93 Difference]: Finished difference Result 589 states and 696 transitions. [2024-11-17 04:26:23,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-17 04:26:23,370 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 19.25) internal successors, (77), 5 states have internal predecessors, (77), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) Word has length 111 [2024-11-17 04:26:23,370 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:26:23,372 INFO L225 Difference]: With dead ends: 589 [2024-11-17 04:26:23,372 INFO L226 Difference]: Without dead ends: 588 [2024-11-17 04:26:23,373 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-17 04:26:23,374 INFO L432 NwaCegarLoop]: 212 mSDtfsCounter, 137 mSDsluCounter, 407 mSDsCounter, 0 mSdLazyCounter, 195 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 141 SdHoareTripleChecker+Valid, 619 SdHoareTripleChecker+Invalid, 200 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 195 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-17 04:26:23,377 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [141 Valid, 619 Invalid, 200 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 195 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-17 04:26:23,378 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 588 states. [2024-11-17 04:26:23,402 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 588 to 554. [2024-11-17 04:26:23,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 554 states, 453 states have (on average 1.3708609271523178) internal successors, (621), 514 states have internal predecessors, (621), 34 states have call successors, (34), 6 states have call predecessors, (34), 6 states have return successors, (34), 33 states have call predecessors, (34), 34 states have call successors, (34) [2024-11-17 04:26:23,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 554 states to 554 states and 689 transitions. [2024-11-17 04:26:23,408 INFO L78 Accepts]: Start accepts. Automaton has 554 states and 689 transitions. Word has length 111 [2024-11-17 04:26:23,408 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:26:23,409 INFO L471 AbstractCegarLoop]: Abstraction has 554 states and 689 transitions. [2024-11-17 04:26:23,409 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 19.25) internal successors, (77), 5 states have internal predecessors, (77), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) [2024-11-17 04:26:23,409 INFO L276 IsEmpty]: Start isEmpty. Operand 554 states and 689 transitions. [2024-11-17 04:26:23,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2024-11-17 04:26:23,412 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:26:23,413 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:26:23,413 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2024-11-17 04:26:23,413 INFO L396 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr56ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-11-17 04:26:23,413 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:26:23,413 INFO L85 PathProgramCache]: Analyzing trace with hash -851655001, now seen corresponding path program 1 times [2024-11-17 04:26:23,414 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:26:23,414 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [650167040] [2024-11-17 04:26:23,414 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:26:23,414 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:26:23,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:26:23,430 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1580933256] [2024-11-17 04:26:23,430 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:26:23,430 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:26:23,430 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:26:23,434 INFO L229 MonitoredProcess]: Starting monitored process 32 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 04:26:23,435 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Waiting until timeout for monitored process [2024-11-17 04:26:23,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:26:23,498 INFO L255 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-17 04:26:23,500 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:26:23,687 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-11-17 04:26:23,687 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:26:23,886 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2024-11-17 04:26:23,886 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:26:23,887 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [650167040] [2024-11-17 04:26:23,887 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:26:23,887 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1580933256] [2024-11-17 04:26:23,887 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1580933256] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-17 04:26:23,887 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-17 04:26:23,887 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [6] total 10 [2024-11-17 04:26:23,887 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [983417314] [2024-11-17 04:26:23,887 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:26:23,888 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-17 04:26:23,888 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:26:23,888 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-17 04:26:23,888 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2024-11-17 04:26:23,889 INFO L87 Difference]: Start difference. First operand 554 states and 689 transitions. Second operand has 6 states, 5 states have (on average 14.0) internal successors, (70), 6 states have internal predecessors, (70), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-11-17 04:26:24,917 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:26:24,918 INFO L93 Difference]: Finished difference Result 561 states and 690 transitions. [2024-11-17 04:26:24,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-17 04:26:24,918 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 14.0) internal successors, (70), 6 states have internal predecessors, (70), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) Word has length 112 [2024-11-17 04:26:24,919 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:26:24,921 INFO L225 Difference]: With dead ends: 561 [2024-11-17 04:26:24,921 INFO L226 Difference]: Without dead ends: 560 [2024-11-17 04:26:24,921 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 227 GetRequests, 212 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=50, Invalid=190, Unknown=0, NotChecked=0, Total=240 [2024-11-17 04:26:24,921 INFO L432 NwaCegarLoop]: 99 mSDtfsCounter, 265 mSDsluCounter, 236 mSDsCounter, 0 mSdLazyCounter, 342 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 266 SdHoareTripleChecker+Valid, 335 SdHoareTripleChecker+Invalid, 357 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 342 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-17 04:26:24,922 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [266 Valid, 335 Invalid, 357 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 342 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-17 04:26:24,922 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 560 states. [2024-11-17 04:26:24,956 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 560 to 554. [2024-11-17 04:26:24,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 554 states, 453 states have (on average 1.3620309050772628) internal successors, (617), 514 states have internal predecessors, (617), 34 states have call successors, (34), 6 states have call predecessors, (34), 6 states have return successors, (34), 33 states have call predecessors, (34), 34 states have call successors, (34) [2024-11-17 04:26:24,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 554 states to 554 states and 685 transitions. [2024-11-17 04:26:24,959 INFO L78 Accepts]: Start accepts. Automaton has 554 states and 685 transitions. Word has length 112 [2024-11-17 04:26:24,959 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:26:24,959 INFO L471 AbstractCegarLoop]: Abstraction has 554 states and 685 transitions. [2024-11-17 04:26:24,959 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 14.0) internal successors, (70), 6 states have internal predecessors, (70), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-11-17 04:26:24,959 INFO L276 IsEmpty]: Start isEmpty. Operand 554 states and 685 transitions. [2024-11-17 04:26:24,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2024-11-17 04:26:24,960 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:26:24,960 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:26:24,977 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Forceful destruction successful, exit code 0 [2024-11-17 04:26:25,164 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40,32 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:26:25,165 INFO L396 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-11-17 04:26:25,165 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:26:25,165 INFO L85 PathProgramCache]: Analyzing trace with hash -1460194172, now seen corresponding path program 1 times [2024-11-17 04:26:25,165 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:26:25,165 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1214615264] [2024-11-17 04:26:25,165 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:26:25,165 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:26:25,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:26:25,275 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-17 04:26:25,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:26:25,279 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-17 04:26:25,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:26:25,281 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-17 04:26:25,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:26:25,283 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-17 04:26:25,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:26:25,285 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-17 04:26:25,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:26:25,287 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-17 04:26:25,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:26:25,288 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-17 04:26:25,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:26:25,290 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-17 04:26:25,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:26:25,293 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-11-17 04:26:25,293 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:26:25,293 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1214615264] [2024-11-17 04:26:25,293 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1214615264] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:26:25,293 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1687854323] [2024-11-17 04:26:25,293 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:26:25,293 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:26:25,294 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:26:25,295 INFO L229 MonitoredProcess]: Starting monitored process 33 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 04:26:25,297 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Waiting until timeout for monitored process [2024-11-17 04:26:25,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:26:25,360 INFO L255 TraceCheckSpWp]: Trace formula consists of 211 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-17 04:26:25,362 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:26:25,486 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-11-17 04:26:25,486 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:26:25,644 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-11-17 04:26:25,644 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1687854323] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 04:26:25,644 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 04:26:25,644 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7, 8] total 14 [2024-11-17 04:26:25,644 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1510030743] [2024-11-17 04:26:25,645 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 04:26:25,645 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-17 04:26:25,645 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:26:25,646 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-17 04:26:25,646 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=135, Unknown=0, NotChecked=0, Total=182 [2024-11-17 04:26:25,646 INFO L87 Difference]: Start difference. First operand 554 states and 685 transitions. Second operand has 14 states, 14 states have (on average 11.357142857142858) internal successors, (159), 14 states have internal predecessors, (159), 4 states have call successors, (24), 3 states have call predecessors, (24), 3 states have return successors, (24), 4 states have call predecessors, (24), 4 states have call successors, (24) [2024-11-17 04:26:25,827 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:26:25,827 INFO L93 Difference]: Finished difference Result 924 states and 1114 transitions. [2024-11-17 04:26:25,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-17 04:26:25,827 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 11.357142857142858) internal successors, (159), 14 states have internal predecessors, (159), 4 states have call successors, (24), 3 states have call predecessors, (24), 3 states have return successors, (24), 4 states have call predecessors, (24), 4 states have call successors, (24) Word has length 114 [2024-11-17 04:26:25,827 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:26:25,829 INFO L225 Difference]: With dead ends: 924 [2024-11-17 04:26:25,829 INFO L226 Difference]: Without dead ends: 707 [2024-11-17 04:26:25,830 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 259 GetRequests, 237 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 77 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=145, Invalid=407, Unknown=0, NotChecked=0, Total=552 [2024-11-17 04:26:25,830 INFO L432 NwaCegarLoop]: 167 mSDtfsCounter, 184 mSDsluCounter, 1005 mSDsCounter, 0 mSdLazyCounter, 125 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 184 SdHoareTripleChecker+Valid, 1172 SdHoareTripleChecker+Invalid, 130 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 125 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 04:26:25,830 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [184 Valid, 1172 Invalid, 130 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 125 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 04:26:25,831 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 707 states. [2024-11-17 04:26:25,852 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 707 to 627. [2024-11-17 04:26:25,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 627 states, 521 states have (on average 1.3896353166986564) internal successors, (724), 582 states have internal predecessors, (724), 38 states have call successors, (38), 7 states have call predecessors, (38), 7 states have return successors, (38), 37 states have call predecessors, (38), 38 states have call successors, (38) [2024-11-17 04:26:25,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 627 states to 627 states and 800 transitions. [2024-11-17 04:26:25,853 INFO L78 Accepts]: Start accepts. Automaton has 627 states and 800 transitions. Word has length 114 [2024-11-17 04:26:25,854 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:26:25,854 INFO L471 AbstractCegarLoop]: Abstraction has 627 states and 800 transitions. [2024-11-17 04:26:25,854 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 11.357142857142858) internal successors, (159), 14 states have internal predecessors, (159), 4 states have call successors, (24), 3 states have call predecessors, (24), 3 states have return successors, (24), 4 states have call predecessors, (24), 4 states have call successors, (24) [2024-11-17 04:26:25,854 INFO L276 IsEmpty]: Start isEmpty. Operand 627 states and 800 transitions. [2024-11-17 04:26:25,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2024-11-17 04:26:25,855 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:26:25,855 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:26:25,872 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Ended with exit code 0 [2024-11-17 04:26:26,055 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41,33 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:26:26,055 INFO L396 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-11-17 04:26:26,056 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:26:26,056 INFO L85 PathProgramCache]: Analyzing trace with hash 1978625571, now seen corresponding path program 1 times [2024-11-17 04:26:26,056 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:26:26,056 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [964162620] [2024-11-17 04:26:26,056 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:26:26,056 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:26:26,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:26:26,160 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-17 04:26:26,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:26:26,179 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-17 04:26:26,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:26:26,182 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-17 04:26:26,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:26:26,183 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-17 04:26:26,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:26:26,185 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-17 04:26:26,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:26:26,187 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-17 04:26:26,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:26:26,189 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-17 04:26:26,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:26:26,191 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-17 04:26:26,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:26:26,193 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2024-11-17 04:26:26,193 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:26:26,193 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [964162620] [2024-11-17 04:26:26,193 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [964162620] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:26:26,193 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [463322135] [2024-11-17 04:26:26,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:26:26,193 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:26:26,194 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:26:26,196 INFO L229 MonitoredProcess]: Starting monitored process 34 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 04:26:26,197 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Waiting until timeout for monitored process [2024-11-17 04:26:26,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:26:26,262 INFO L255 TraceCheckSpWp]: Trace formula consists of 213 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-17 04:26:26,264 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:26:26,372 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2024-11-17 04:26:26,373 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:26:26,518 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2024-11-17 04:26:26,518 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [463322135] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 04:26:26,518 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 04:26:26,519 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 9 [2024-11-17 04:26:26,519 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [248456641] [2024-11-17 04:26:26,519 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 04:26:26,520 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-17 04:26:26,521 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:26:26,521 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-17 04:26:26,522 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-11-17 04:26:26,522 INFO L87 Difference]: Start difference. First operand 627 states and 800 transitions. Second operand has 9 states, 9 states have (on average 9.555555555555555) internal successors, (86), 8 states have internal predecessors, (86), 4 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 3 states have call predecessors, (8), 4 states have call successors, (8) [2024-11-17 04:26:27,329 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:26:27,330 INFO L93 Difference]: Finished difference Result 1290 states and 1579 transitions. [2024-11-17 04:26:27,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-17 04:26:27,330 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 9.555555555555555) internal successors, (86), 8 states have internal predecessors, (86), 4 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 3 states have call predecessors, (8), 4 states have call successors, (8) Word has length 115 [2024-11-17 04:26:27,331 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:26:27,335 INFO L225 Difference]: With dead ends: 1290 [2024-11-17 04:26:27,335 INFO L226 Difference]: Without dead ends: 1250 [2024-11-17 04:26:27,336 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 260 GetRequests, 240 SyntacticMatches, 4 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=75, Invalid=231, Unknown=0, NotChecked=0, Total=306 [2024-11-17 04:26:27,336 INFO L432 NwaCegarLoop]: 163 mSDtfsCounter, 917 mSDsluCounter, 671 mSDsCounter, 0 mSdLazyCounter, 698 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 922 SdHoareTripleChecker+Valid, 834 SdHoareTripleChecker+Invalid, 738 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 698 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-17 04:26:27,338 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [922 Valid, 834 Invalid, 738 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 698 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-17 04:26:27,339 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1250 states. [2024-11-17 04:26:27,390 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1250 to 890. [2024-11-17 04:26:27,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 890 states, 768 states have (on average 1.4921875) internal successors, (1146), 829 states have internal predecessors, (1146), 54 states have call successors, (54), 7 states have call predecessors, (54), 7 states have return successors, (54), 53 states have call predecessors, (54), 54 states have call successors, (54) [2024-11-17 04:26:27,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 890 states to 890 states and 1254 transitions. [2024-11-17 04:26:27,393 INFO L78 Accepts]: Start accepts. Automaton has 890 states and 1254 transitions. Word has length 115 [2024-11-17 04:26:27,393 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:26:27,395 INFO L471 AbstractCegarLoop]: Abstraction has 890 states and 1254 transitions. [2024-11-17 04:26:27,395 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.555555555555555) internal successors, (86), 8 states have internal predecessors, (86), 4 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 3 states have call predecessors, (8), 4 states have call successors, (8) [2024-11-17 04:26:27,395 INFO L276 IsEmpty]: Start isEmpty. Operand 890 states and 1254 transitions. [2024-11-17 04:26:27,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2024-11-17 04:26:27,396 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:26:27,396 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:26:27,413 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Forceful destruction successful, exit code 0 [2024-11-17 04:26:27,600 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 34 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable42 [2024-11-17 04:26:27,601 INFO L396 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr57ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-11-17 04:26:27,601 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:26:27,601 INFO L85 PathProgramCache]: Analyzing trace with hash -1362414156, now seen corresponding path program 1 times [2024-11-17 04:26:27,601 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:26:27,601 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1352024204] [2024-11-17 04:26:27,601 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:26:27,601 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:26:27,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:26:27,817 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-17 04:26:27,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:26:27,841 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-17 04:26:27,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:26:27,843 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-17 04:26:27,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:26:27,848 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-17 04:26:27,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:26:27,850 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-17 04:26:27,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:26:27,853 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-17 04:26:27,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:26:27,856 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-17 04:26:27,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:26:27,860 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-17 04:26:27,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:26:27,862 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2024-11-17 04:26:27,862 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:26:27,862 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1352024204] [2024-11-17 04:26:27,863 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1352024204] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:26:27,863 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1752784870] [2024-11-17 04:26:27,863 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:26:27,863 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:26:27,863 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:26:27,865 INFO L229 MonitoredProcess]: Starting monitored process 35 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 04:26:27,866 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Waiting until timeout for monitored process [2024-11-17 04:26:27,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:26:27,933 INFO L255 TraceCheckSpWp]: Trace formula consists of 225 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-17 04:26:27,935 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:26:28,077 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-11-17 04:26:28,077 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:26:28,284 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-11-17 04:26:28,285 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1752784870] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 04:26:28,285 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 04:26:28,285 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 5, 5] total 19 [2024-11-17 04:26:28,285 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1829862415] [2024-11-17 04:26:28,285 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 04:26:28,285 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2024-11-17 04:26:28,286 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:26:28,286 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2024-11-17 04:26:28,286 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=328, Unknown=0, NotChecked=0, Total=380 [2024-11-17 04:26:28,286 INFO L87 Difference]: Start difference. First operand 890 states and 1254 transitions. Second operand has 20 states, 19 states have (on average 13.31578947368421) internal successors, (253), 18 states have internal predecessors, (253), 8 states have call successors, (24), 1 states have call predecessors, (24), 2 states have return successors, (24), 8 states have call predecessors, (24), 8 states have call successors, (24) [2024-11-17 04:26:35,831 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:26:35,831 INFO L93 Difference]: Finished difference Result 2896 states and 3620 transitions. [2024-11-17 04:26:35,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 86 states. [2024-11-17 04:26:35,831 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 13.31578947368421) internal successors, (253), 18 states have internal predecessors, (253), 8 states have call successors, (24), 1 states have call predecessors, (24), 2 states have return successors, (24), 8 states have call predecessors, (24), 8 states have call successors, (24) Word has length 122 [2024-11-17 04:26:35,832 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:26:35,838 INFO L225 Difference]: With dead ends: 2896 [2024-11-17 04:26:35,838 INFO L226 Difference]: Without dead ends: 2895 [2024-11-17 04:26:35,840 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 342 GetRequests, 250 SyntacticMatches, 0 SemanticMatches, 92 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3150 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=1624, Invalid=7118, Unknown=0, NotChecked=0, Total=8742 [2024-11-17 04:26:35,841 INFO L432 NwaCegarLoop]: 170 mSDtfsCounter, 3349 mSDsluCounter, 2032 mSDsCounter, 0 mSdLazyCounter, 4228 mSolverCounterSat, 178 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3349 SdHoareTripleChecker+Valid, 2202 SdHoareTripleChecker+Invalid, 4406 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 178 IncrementalHoareTripleChecker+Valid, 4228 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.4s IncrementalHoareTripleChecker+Time [2024-11-17 04:26:35,841 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3349 Valid, 2202 Invalid, 4406 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [178 Valid, 4228 Invalid, 0 Unknown, 0 Unchecked, 6.4s Time] [2024-11-17 04:26:35,842 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2895 states. [2024-11-17 04:26:35,910 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2895 to 1398. [2024-11-17 04:26:35,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1398 states, 1244 states have (on average 1.5803858520900322) internal successors, (1966), 1305 states have internal predecessors, (1966), 86 states have call successors, (86), 7 states have call predecessors, (86), 7 states have return successors, (86), 85 states have call predecessors, (86), 86 states have call successors, (86) [2024-11-17 04:26:35,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1398 states to 1398 states and 2138 transitions. [2024-11-17 04:26:35,913 INFO L78 Accepts]: Start accepts. Automaton has 1398 states and 2138 transitions. Word has length 122 [2024-11-17 04:26:35,913 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:26:35,913 INFO L471 AbstractCegarLoop]: Abstraction has 1398 states and 2138 transitions. [2024-11-17 04:26:35,913 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 13.31578947368421) internal successors, (253), 18 states have internal predecessors, (253), 8 states have call successors, (24), 1 states have call predecessors, (24), 2 states have return successors, (24), 8 states have call predecessors, (24), 8 states have call successors, (24) [2024-11-17 04:26:35,914 INFO L276 IsEmpty]: Start isEmpty. Operand 1398 states and 2138 transitions. [2024-11-17 04:26:35,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2024-11-17 04:26:35,914 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:26:35,914 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:26:35,930 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Forceful destruction successful, exit code 0 [2024-11-17 04:26:36,115 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43,35 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:26:36,115 INFO L396 AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr56ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-11-17 04:26:36,115 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:26:36,115 INFO L85 PathProgramCache]: Analyzing trace with hash 714834222, now seen corresponding path program 1 times [2024-11-17 04:26:36,115 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:26:36,115 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [340744453] [2024-11-17 04:26:36,115 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:26:36,116 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:26:36,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:26:36,129 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [39534966] [2024-11-17 04:26:36,130 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:26:36,130 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:26:36,130 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:26:36,132 INFO L229 MonitoredProcess]: Starting monitored process 36 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 04:26:36,134 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Waiting until timeout for monitored process [2024-11-17 04:26:36,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:26:36,194 INFO L255 TraceCheckSpWp]: Trace formula consists of 226 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-17 04:26:36,195 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:26:36,294 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-11-17 04:26:36,294 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:26:36,461 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-11-17 04:26:36,461 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:26:36,461 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [340744453] [2024-11-17 04:26:36,461 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:26:36,461 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [39534966] [2024-11-17 04:26:36,462 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [39534966] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 04:26:36,462 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-17 04:26:36,462 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2024-11-17 04:26:36,462 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [758585721] [2024-11-17 04:26:36,462 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-17 04:26:36,462 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-17 04:26:36,462 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:26:36,463 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-17 04:26:36,463 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2024-11-17 04:26:36,463 INFO L87 Difference]: Start difference. First operand 1398 states and 2138 transitions. Second operand has 10 states, 9 states have (on average 19.0) internal successors, (171), 10 states have internal predecessors, (171), 4 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 4 states have call predecessors, (16), 4 states have call successors, (16) [2024-11-17 04:26:37,817 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:26:37,817 INFO L93 Difference]: Finished difference Result 2008 states and 3031 transitions. [2024-11-17 04:26:37,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-17 04:26:37,817 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 19.0) internal successors, (171), 10 states have internal predecessors, (171), 4 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 4 states have call predecessors, (16), 4 states have call successors, (16) Word has length 123 [2024-11-17 04:26:37,817 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:26:37,822 INFO L225 Difference]: With dead ends: 2008 [2024-11-17 04:26:37,823 INFO L226 Difference]: Without dead ends: 2007 [2024-11-17 04:26:37,823 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 251 GetRequests, 236 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=82, Invalid=190, Unknown=0, NotChecked=0, Total=272 [2024-11-17 04:26:37,824 INFO L432 NwaCegarLoop]: 219 mSDtfsCounter, 676 mSDsluCounter, 632 mSDsCounter, 0 mSdLazyCounter, 893 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 677 SdHoareTripleChecker+Valid, 851 SdHoareTripleChecker+Invalid, 924 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 893 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-17 04:26:37,824 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [677 Valid, 851 Invalid, 924 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 893 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-17 04:26:37,825 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2007 states. [2024-11-17 04:26:37,909 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2007 to 1650. [2024-11-17 04:26:37,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1650 states, 1480 states have (on average 1.5972972972972972) internal successors, (2364), 1541 states have internal predecessors, (2364), 102 states have call successors, (102), 7 states have call predecessors, (102), 7 states have return successors, (102), 101 states have call predecessors, (102), 102 states have call successors, (102) [2024-11-17 04:26:37,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1650 states to 1650 states and 2568 transitions. [2024-11-17 04:26:37,916 INFO L78 Accepts]: Start accepts. Automaton has 1650 states and 2568 transitions. Word has length 123 [2024-11-17 04:26:37,917 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:26:37,917 INFO L471 AbstractCegarLoop]: Abstraction has 1650 states and 2568 transitions. [2024-11-17 04:26:37,917 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 19.0) internal successors, (171), 10 states have internal predecessors, (171), 4 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 4 states have call predecessors, (16), 4 states have call successors, (16) [2024-11-17 04:26:37,918 INFO L276 IsEmpty]: Start isEmpty. Operand 1650 states and 2568 transitions. [2024-11-17 04:26:37,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2024-11-17 04:26:37,918 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:26:37,918 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:26:37,936 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Forceful destruction successful, exit code 0 [2024-11-17 04:26:38,119 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 36 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable44 [2024-11-17 04:26:38,119 INFO L396 AbstractCegarLoop]: === Iteration 46 === Targeting ULTIMATE.startErr55ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-11-17 04:26:38,119 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:26:38,120 INFO L85 PathProgramCache]: Analyzing trace with hash 865855644, now seen corresponding path program 1 times [2024-11-17 04:26:38,120 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:26:38,120 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1954167210] [2024-11-17 04:26:38,120 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:26:38,120 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:26:38,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:26:38,133 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [198957929] [2024-11-17 04:26:38,133 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:26:38,133 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:26:38,133 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:26:38,135 INFO L229 MonitoredProcess]: Starting monitored process 37 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 04:26:38,136 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Waiting until timeout for monitored process [2024-11-17 04:26:38,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:26:38,211 INFO L255 TraceCheckSpWp]: Trace formula consists of 236 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-17 04:26:38,213 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:26:38,743 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-11-17 04:26:38,744 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:26:38,857 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:26:38,857 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1954167210] [2024-11-17 04:26:38,857 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:26:38,857 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [198957929] [2024-11-17 04:26:38,857 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [198957929] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:26:38,857 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-17 04:26:38,858 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2024-11-17 04:26:38,858 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [273895149] [2024-11-17 04:26:38,858 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-17 04:26:38,858 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-17 04:26:38,858 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:26:38,858 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-17 04:26:38,858 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2024-11-17 04:26:38,859 INFO L87 Difference]: Start difference. First operand 1650 states and 2568 transitions. Second operand has 10 states, 8 states have (on average 11.625) internal successors, (93), 9 states have internal predecessors, (93), 5 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 4 states have call predecessors, (9), 5 states have call successors, (9) [2024-11-17 04:26:39,708 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:26:39,708 INFO L93 Difference]: Finished difference Result 1735 states and 2672 transitions. [2024-11-17 04:26:39,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-17 04:26:39,709 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 8 states have (on average 11.625) internal successors, (93), 9 states have internal predecessors, (93), 5 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 4 states have call predecessors, (9), 5 states have call successors, (9) Word has length 129 [2024-11-17 04:26:39,709 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:26:39,716 INFO L225 Difference]: With dead ends: 1735 [2024-11-17 04:26:39,716 INFO L226 Difference]: Without dead ends: 1734 [2024-11-17 04:26:39,717 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 168 GetRequests, 151 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=82, Invalid=260, Unknown=0, NotChecked=0, Total=342 [2024-11-17 04:26:39,719 INFO L432 NwaCegarLoop]: 114 mSDtfsCounter, 704 mSDsluCounter, 472 mSDsCounter, 0 mSdLazyCounter, 947 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 709 SdHoareTripleChecker+Valid, 586 SdHoareTripleChecker+Invalid, 984 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 947 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-17 04:26:39,720 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [709 Valid, 586 Invalid, 984 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 947 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-17 04:26:39,721 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1734 states. [2024-11-17 04:26:39,795 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1734 to 1702. [2024-11-17 04:26:39,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1702 states, 1528 states have (on average 1.6020942408376964) internal successors, (2448), 1589 states have internal predecessors, (2448), 106 states have call successors, (106), 7 states have call predecessors, (106), 7 states have return successors, (106), 105 states have call predecessors, (106), 106 states have call successors, (106) [2024-11-17 04:26:39,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1702 states to 1702 states and 2660 transitions. [2024-11-17 04:26:39,801 INFO L78 Accepts]: Start accepts. Automaton has 1702 states and 2660 transitions. Word has length 129 [2024-11-17 04:26:39,801 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:26:39,801 INFO L471 AbstractCegarLoop]: Abstraction has 1702 states and 2660 transitions. [2024-11-17 04:26:39,802 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 8 states have (on average 11.625) internal successors, (93), 9 states have internal predecessors, (93), 5 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 4 states have call predecessors, (9), 5 states have call successors, (9) [2024-11-17 04:26:39,802 INFO L276 IsEmpty]: Start isEmpty. Operand 1702 states and 2660 transitions. [2024-11-17 04:26:39,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2024-11-17 04:26:39,802 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:26:39,803 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:26:39,820 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Forceful destruction successful, exit code 0 [2024-11-17 04:26:40,006 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45,37 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:26:40,007 INFO L396 AbstractCegarLoop]: === Iteration 47 === Targeting ULTIMATE.startErr54ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-11-17 04:26:40,007 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:26:40,007 INFO L85 PathProgramCache]: Analyzing trace with hash 1071721281, now seen corresponding path program 1 times [2024-11-17 04:26:40,007 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:26:40,007 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [462654049] [2024-11-17 04:26:40,007 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:26:40,007 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:26:40,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:26:40,022 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2110972618] [2024-11-17 04:26:40,022 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:26:40,022 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:26:40,022 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:26:40,025 INFO L229 MonitoredProcess]: Starting monitored process 38 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 04:26:40,026 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (38)] Waiting until timeout for monitored process [2024-11-17 04:26:40,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:26:40,087 INFO L255 TraceCheckSpWp]: Trace formula consists of 237 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-17 04:26:40,096 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:26:40,534 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-11-17 04:26:40,535 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:26:41,128 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:26:41,128 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [462654049] [2024-11-17 04:26:41,128 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:26:41,128 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2110972618] [2024-11-17 04:26:41,128 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2110972618] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:26:41,128 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-17 04:26:41,128 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2024-11-17 04:26:41,128 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1320842231] [2024-11-17 04:26:41,128 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-17 04:26:41,129 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-17 04:26:41,129 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:26:41,129 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-17 04:26:41,129 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2024-11-17 04:26:41,129 INFO L87 Difference]: Start difference. First operand 1702 states and 2660 transitions. Second operand has 10 states, 8 states have (on average 11.75) internal successors, (94), 9 states have internal predecessors, (94), 5 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 4 states have call predecessors, (9), 5 states have call successors, (9) [2024-11-17 04:26:42,094 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:26:42,095 INFO L93 Difference]: Finished difference Result 1735 states and 2670 transitions. [2024-11-17 04:26:42,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-17 04:26:42,096 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 8 states have (on average 11.75) internal successors, (94), 9 states have internal predecessors, (94), 5 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 4 states have call predecessors, (9), 5 states have call successors, (9) Word has length 130 [2024-11-17 04:26:42,096 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:26:42,101 INFO L225 Difference]: With dead ends: 1735 [2024-11-17 04:26:42,101 INFO L226 Difference]: Without dead ends: 1734 [2024-11-17 04:26:42,102 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 170 GetRequests, 153 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=82, Invalid=260, Unknown=0, NotChecked=0, Total=342 [2024-11-17 04:26:42,103 INFO L432 NwaCegarLoop]: 114 mSDtfsCounter, 705 mSDsluCounter, 453 mSDsCounter, 0 mSdLazyCounter, 920 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 710 SdHoareTripleChecker+Valid, 567 SdHoareTripleChecker+Invalid, 957 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 920 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-17 04:26:42,103 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [710 Valid, 567 Invalid, 957 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 920 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-17 04:26:42,104 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1734 states. [2024-11-17 04:26:42,180 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1734 to 1702. [2024-11-17 04:26:42,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1702 states, 1528 states have (on average 1.600785340314136) internal successors, (2446), 1589 states have internal predecessors, (2446), 106 states have call successors, (106), 7 states have call predecessors, (106), 7 states have return successors, (106), 105 states have call predecessors, (106), 106 states have call successors, (106) [2024-11-17 04:26:42,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1702 states to 1702 states and 2658 transitions. [2024-11-17 04:26:42,186 INFO L78 Accepts]: Start accepts. Automaton has 1702 states and 2658 transitions. Word has length 130 [2024-11-17 04:26:42,186 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:26:42,186 INFO L471 AbstractCegarLoop]: Abstraction has 1702 states and 2658 transitions. [2024-11-17 04:26:42,187 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 8 states have (on average 11.75) internal successors, (94), 9 states have internal predecessors, (94), 5 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 4 states have call predecessors, (9), 5 states have call successors, (9) [2024-11-17 04:26:42,187 INFO L276 IsEmpty]: Start isEmpty. Operand 1702 states and 2658 transitions. [2024-11-17 04:26:42,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2024-11-17 04:26:42,187 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:26:42,188 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:26:42,205 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (38)] Forceful destruction successful, exit code 0 [2024-11-17 04:26:42,388 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 38 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable46 [2024-11-17 04:26:42,388 INFO L396 AbstractCegarLoop]: === Iteration 48 === Targeting ULTIMATE.startErr53ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-11-17 04:26:42,388 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:26:42,389 INFO L85 PathProgramCache]: Analyzing trace with hash -1136378566, now seen corresponding path program 1 times [2024-11-17 04:26:42,389 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:26:42,389 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1923292847] [2024-11-17 04:26:42,389 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:26:42,389 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:26:42,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:26:42,403 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1063484583] [2024-11-17 04:26:42,404 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:26:42,404 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:26:42,404 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:26:42,406 INFO L229 MonitoredProcess]: Starting monitored process 39 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 04:26:42,407 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (39)] Waiting until timeout for monitored process [2024-11-17 04:26:42,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:26:42,475 INFO L255 TraceCheckSpWp]: Trace formula consists of 238 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-17 04:26:42,476 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:26:42,886 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-11-17 04:26:42,886 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:26:42,976 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:26:42,977 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1923292847] [2024-11-17 04:26:42,977 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:26:42,977 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1063484583] [2024-11-17 04:26:42,977 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1063484583] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:26:42,977 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-17 04:26:42,977 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2024-11-17 04:26:42,977 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1071769916] [2024-11-17 04:26:42,977 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-17 04:26:42,978 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-17 04:26:42,978 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:26:42,978 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-17 04:26:42,978 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2024-11-17 04:26:42,979 INFO L87 Difference]: Start difference. First operand 1702 states and 2658 transitions. Second operand has 8 states, 6 states have (on average 15.833333333333334) internal successors, (95), 7 states have internal predecessors, (95), 4 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 3 states have call predecessors, (9), 4 states have call successors, (9) [2024-11-17 04:26:43,424 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:26:43,424 INFO L93 Difference]: Finished difference Result 1864 states and 2884 transitions. [2024-11-17 04:26:43,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-17 04:26:43,424 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 6 states have (on average 15.833333333333334) internal successors, (95), 7 states have internal predecessors, (95), 4 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 3 states have call predecessors, (9), 4 states have call successors, (9) Word has length 131 [2024-11-17 04:26:43,425 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:26:43,432 INFO L225 Difference]: With dead ends: 1864 [2024-11-17 04:26:43,433 INFO L226 Difference]: Without dead ends: 1862 [2024-11-17 04:26:43,434 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 167 GetRequests, 158 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2024-11-17 04:26:43,434 INFO L432 NwaCegarLoop]: 105 mSDtfsCounter, 559 mSDsluCounter, 375 mSDsCounter, 0 mSdLazyCounter, 329 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 568 SdHoareTripleChecker+Valid, 480 SdHoareTripleChecker+Invalid, 349 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 329 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-17 04:26:43,435 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [568 Valid, 480 Invalid, 349 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 329 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-17 04:26:43,436 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1862 states. [2024-11-17 04:26:43,524 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1862 to 1821. [2024-11-17 04:26:43,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1821 states, 1638 states have (on average 1.6086691086691087) internal successors, (2635), 1699 states have internal predecessors, (2635), 115 states have call successors, (115), 7 states have call predecessors, (115), 7 states have return successors, (115), 114 states have call predecessors, (115), 115 states have call successors, (115) [2024-11-17 04:26:43,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1821 states to 1821 states and 2865 transitions. [2024-11-17 04:26:43,530 INFO L78 Accepts]: Start accepts. Automaton has 1821 states and 2865 transitions. Word has length 131 [2024-11-17 04:26:43,530 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:26:43,530 INFO L471 AbstractCegarLoop]: Abstraction has 1821 states and 2865 transitions. [2024-11-17 04:26:43,530 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 6 states have (on average 15.833333333333334) internal successors, (95), 7 states have internal predecessors, (95), 4 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 3 states have call predecessors, (9), 4 states have call successors, (9) [2024-11-17 04:26:43,530 INFO L276 IsEmpty]: Start isEmpty. Operand 1821 states and 2865 transitions. [2024-11-17 04:26:43,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2024-11-17 04:26:43,531 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:26:43,531 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:26:43,548 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (39)] Ended with exit code 0 [2024-11-17 04:26:43,732 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 39 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable47 [2024-11-17 04:26:43,732 INFO L396 AbstractCegarLoop]: === Iteration 49 === Targeting ULTIMATE.startErr52ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-11-17 04:26:43,732 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:26:43,732 INFO L85 PathProgramCache]: Analyzing trace with hash -867997089, now seen corresponding path program 1 times [2024-11-17 04:26:43,732 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:26:43,733 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1121351472] [2024-11-17 04:26:43,733 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:26:43,733 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:26:43,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:26:43,747 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [477212321] [2024-11-17 04:26:43,747 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:26:43,747 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:26:43,747 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:26:43,749 INFO L229 MonitoredProcess]: Starting monitored process 40 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 04:26:43,752 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (40)] Waiting until timeout for monitored process [2024-11-17 04:26:43,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:26:43,818 INFO L255 TraceCheckSpWp]: Trace formula consists of 239 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-17 04:26:43,819 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:26:44,136 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-11-17 04:26:44,137 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:26:44,695 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:26:44,695 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1121351472] [2024-11-17 04:26:44,695 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:26:44,695 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [477212321] [2024-11-17 04:26:44,695 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [477212321] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:26:44,695 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-17 04:26:44,695 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2024-11-17 04:26:44,696 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1297466389] [2024-11-17 04:26:44,696 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-17 04:26:44,696 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-17 04:26:44,696 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:26:44,696 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-17 04:26:44,696 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2024-11-17 04:26:44,697 INFO L87 Difference]: Start difference. First operand 1821 states and 2865 transitions. Second operand has 8 states, 6 states have (on average 16.0) internal successors, (96), 7 states have internal predecessors, (96), 4 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 3 states have call predecessors, (9), 4 states have call successors, (9) [2024-11-17 04:26:45,117 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:26:45,117 INFO L93 Difference]: Finished difference Result 1864 states and 2878 transitions. [2024-11-17 04:26:45,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-17 04:26:45,118 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 6 states have (on average 16.0) internal successors, (96), 7 states have internal predecessors, (96), 4 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 3 states have call predecessors, (9), 4 states have call successors, (9) Word has length 132 [2024-11-17 04:26:45,118 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:26:45,123 INFO L225 Difference]: With dead ends: 1864 [2024-11-17 04:26:45,123 INFO L226 Difference]: Without dead ends: 1862 [2024-11-17 04:26:45,123 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 169 GetRequests, 160 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2024-11-17 04:26:45,124 INFO L432 NwaCegarLoop]: 154 mSDtfsCounter, 302 mSDsluCounter, 496 mSDsCounter, 0 mSdLazyCounter, 423 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 311 SdHoareTripleChecker+Valid, 650 SdHoareTripleChecker+Invalid, 428 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 423 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-17 04:26:45,124 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [311 Valid, 650 Invalid, 428 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 423 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-17 04:26:45,126 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1862 states. [2024-11-17 04:26:45,182 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1862 to 1822. [2024-11-17 04:26:45,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1822 states, 1639 states have (on average 1.6052471018913972) internal successors, (2631), 1700 states have internal predecessors, (2631), 115 states have call successors, (115), 7 states have call predecessors, (115), 7 states have return successors, (115), 114 states have call predecessors, (115), 115 states have call successors, (115) [2024-11-17 04:26:45,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1822 states to 1822 states and 2861 transitions. [2024-11-17 04:26:45,188 INFO L78 Accepts]: Start accepts. Automaton has 1822 states and 2861 transitions. Word has length 132 [2024-11-17 04:26:45,189 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:26:45,189 INFO L471 AbstractCegarLoop]: Abstraction has 1822 states and 2861 transitions. [2024-11-17 04:26:45,189 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 6 states have (on average 16.0) internal successors, (96), 7 states have internal predecessors, (96), 4 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 3 states have call predecessors, (9), 4 states have call successors, (9) [2024-11-17 04:26:45,189 INFO L276 IsEmpty]: Start isEmpty. Operand 1822 states and 2861 transitions. [2024-11-17 04:26:45,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2024-11-17 04:26:45,190 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:26:45,190 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:26:45,208 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (40)] Forceful destruction successful, exit code 0 [2024-11-17 04:26:45,392 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 40 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable48 [2024-11-17 04:26:45,392 INFO L396 AbstractCegarLoop]: === Iteration 50 === Targeting ULTIMATE.startErr51ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-11-17 04:26:45,393 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:26:45,393 INFO L85 PathProgramCache]: Analyzing trace with hash -1138105896, now seen corresponding path program 1 times [2024-11-17 04:26:45,393 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:26:45,393 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [442209407] [2024-11-17 04:26:45,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:26:45,393 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:26:45,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:26:45,410 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1898466286] [2024-11-17 04:26:45,410 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:26:45,410 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:26:45,411 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:26:45,412 INFO L229 MonitoredProcess]: Starting monitored process 41 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 04:26:45,413 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (41)] Waiting until timeout for monitored process [2024-11-17 04:26:45,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:26:45,481 INFO L255 TraceCheckSpWp]: Trace formula consists of 240 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-17 04:26:45,484 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:26:45,846 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-11-17 04:26:45,847 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:26:46,547 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-11-17 04:26:46,547 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:26:46,547 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [442209407] [2024-11-17 04:26:46,547 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:26:46,547 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1898466286] [2024-11-17 04:26:46,547 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1898466286] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-17 04:26:46,547 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-17 04:26:46,547 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 8 [2024-11-17 04:26:46,548 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [752621355] [2024-11-17 04:26:46,548 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:26:46,548 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-17 04:26:46,548 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:26:46,548 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-17 04:26:46,548 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-17 04:26:46,549 INFO L87 Difference]: Start difference. First operand 1822 states and 2861 transitions. Second operand has 5 states, 4 states have (on average 23.5) internal successors, (94), 5 states have internal predecessors, (94), 3 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2024-11-17 04:26:50,760 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:26:50,760 INFO L93 Difference]: Finished difference Result 2209 states and 3415 transitions. [2024-11-17 04:26:50,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-17 04:26:50,761 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 23.5) internal successors, (94), 5 states have internal predecessors, (94), 3 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) Word has length 133 [2024-11-17 04:26:50,761 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:26:50,766 INFO L225 Difference]: With dead ends: 2209 [2024-11-17 04:26:50,766 INFO L226 Difference]: Without dead ends: 2206 [2024-11-17 04:26:50,767 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 268 GetRequests, 258 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2024-11-17 04:26:50,768 INFO L432 NwaCegarLoop]: 99 mSDtfsCounter, 128 mSDsluCounter, 198 mSDsCounter, 0 mSdLazyCounter, 445 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 130 SdHoareTripleChecker+Valid, 297 SdHoareTripleChecker+Invalid, 457 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 445 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time [2024-11-17 04:26:50,768 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [130 Valid, 297 Invalid, 457 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 445 Invalid, 0 Unknown, 0 Unchecked, 4.0s Time] [2024-11-17 04:26:50,769 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2206 states. [2024-11-17 04:26:50,876 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2206 to 2186. [2024-11-17 04:26:50,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2186 states, 1991 states have (on average 1.5685585133098945) internal successors, (3123), 2052 states have internal predecessors, (3123), 127 states have call successors, (127), 7 states have call predecessors, (127), 7 states have return successors, (127), 126 states have call predecessors, (127), 127 states have call successors, (127) [2024-11-17 04:26:50,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2186 states to 2186 states and 3377 transitions. [2024-11-17 04:26:50,882 INFO L78 Accepts]: Start accepts. Automaton has 2186 states and 3377 transitions. Word has length 133 [2024-11-17 04:26:50,883 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:26:50,883 INFO L471 AbstractCegarLoop]: Abstraction has 2186 states and 3377 transitions. [2024-11-17 04:26:50,883 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 23.5) internal successors, (94), 5 states have internal predecessors, (94), 3 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2024-11-17 04:26:50,883 INFO L276 IsEmpty]: Start isEmpty. Operand 2186 states and 3377 transitions. [2024-11-17 04:26:50,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2024-11-17 04:26:50,884 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:26:50,884 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:26:50,902 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (41)] Ended with exit code 0 [2024-11-17 04:26:51,085 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 41 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable49 [2024-11-17 04:26:51,085 INFO L396 AbstractCegarLoop]: === Iteration 51 === Targeting ULTIMATE.startErr50ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-11-17 04:26:51,086 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:26:51,086 INFO L85 PathProgramCache]: Analyzing trace with hash -921544323, now seen corresponding path program 1 times [2024-11-17 04:26:51,086 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:26:51,086 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [373028600] [2024-11-17 04:26:51,086 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:26:51,086 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:26:51,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:26:51,103 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [541148962] [2024-11-17 04:26:51,103 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:26:51,103 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:26:51,103 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:26:51,105 INFO L229 MonitoredProcess]: Starting monitored process 42 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 04:26:51,107 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (42)] Waiting until timeout for monitored process [2024-11-17 04:26:51,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:26:51,177 INFO L255 TraceCheckSpWp]: Trace formula consists of 241 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-17 04:26:51,179 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:26:51,608 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-11-17 04:26:51,611 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:26:51,788 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:26:51,788 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [373028600] [2024-11-17 04:26:51,788 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:26:51,788 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [541148962] [2024-11-17 04:26:51,788 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [541148962] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:26:51,788 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-17 04:26:51,788 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2024-11-17 04:26:51,789 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1323313240] [2024-11-17 04:26:51,789 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-17 04:26:51,789 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-17 04:26:51,789 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:26:51,789 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-17 04:26:51,789 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-17 04:26:51,790 INFO L87 Difference]: Start difference. First operand 2186 states and 3377 transitions. Second operand has 6 states, 5 states have (on average 19.0) internal successors, (95), 6 states have internal predecessors, (95), 3 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2024-11-17 04:26:52,516 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:26:52,517 INFO L93 Difference]: Finished difference Result 2226 states and 3387 transitions. [2024-11-17 04:26:52,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-17 04:26:52,517 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 19.0) internal successors, (95), 6 states have internal predecessors, (95), 3 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) Word has length 134 [2024-11-17 04:26:52,518 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:26:52,522 INFO L225 Difference]: With dead ends: 2226 [2024-11-17 04:26:52,522 INFO L226 Difference]: Without dead ends: 2219 [2024-11-17 04:26:52,523 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 142 GetRequests, 135 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2024-11-17 04:26:52,523 INFO L432 NwaCegarLoop]: 136 mSDtfsCounter, 284 mSDsluCounter, 251 mSDsCounter, 0 mSdLazyCounter, 447 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 293 SdHoareTripleChecker+Valid, 387 SdHoareTripleChecker+Invalid, 454 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 447 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-17 04:26:52,523 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [293 Valid, 387 Invalid, 454 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 447 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-17 04:26:52,524 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2219 states. [2024-11-17 04:26:52,625 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2219 to 2187. [2024-11-17 04:26:52,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2187 states, 1992 states have (on average 1.5642570281124497) internal successors, (3116), 2053 states have internal predecessors, (3116), 127 states have call successors, (127), 7 states have call predecessors, (127), 7 states have return successors, (127), 126 states have call predecessors, (127), 127 states have call successors, (127) [2024-11-17 04:26:52,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2187 states to 2187 states and 3370 transitions. [2024-11-17 04:26:52,632 INFO L78 Accepts]: Start accepts. Automaton has 2187 states and 3370 transitions. Word has length 134 [2024-11-17 04:26:52,632 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:26:52,632 INFO L471 AbstractCegarLoop]: Abstraction has 2187 states and 3370 transitions. [2024-11-17 04:26:52,632 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 19.0) internal successors, (95), 6 states have internal predecessors, (95), 3 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2024-11-17 04:26:52,633 INFO L276 IsEmpty]: Start isEmpty. Operand 2187 states and 3370 transitions. [2024-11-17 04:26:52,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2024-11-17 04:26:52,633 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:26:52,634 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:26:52,651 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (42)] Ended with exit code 0 [2024-11-17 04:26:52,837 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50,42 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:26:52,838 INFO L396 AbstractCegarLoop]: === Iteration 52 === Targeting ULTIMATE.startErr49ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-11-17 04:26:52,838 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:26:52,838 INFO L85 PathProgramCache]: Analyzing trace with hash 859002914, now seen corresponding path program 1 times [2024-11-17 04:26:52,838 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:26:52,838 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [151821296] [2024-11-17 04:26:52,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:26:52,838 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:26:52,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:26:52,857 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1326983070] [2024-11-17 04:26:52,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:26:52,857 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:26:52,858 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:26:52,859 INFO L229 MonitoredProcess]: Starting monitored process 43 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 04:26:52,861 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (43)] Waiting until timeout for monitored process [2024-11-17 04:26:52,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:26:52,929 INFO L255 TraceCheckSpWp]: Trace formula consists of 251 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-17 04:26:52,931 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:26:53,343 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2024-11-17 04:26:53,344 INFO L311 TraceCheckSpWp]: Computing backward predicates...