./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/nla-digbench-scaling/fermat2-ll_unwindbound100.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 3061b6dc Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/nla-digbench-scaling/fermat2-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 36da946a83103a61b88f0f1db9af94484aad5eefbde5313f974f53b267bd14bf --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-3061b6d-m [2024-11-19 10:41:23,286 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-19 10:41:23,366 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-19 10:41:23,372 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-19 10:41:23,372 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-19 10:41:23,402 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-19 10:41:23,403 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-19 10:41:23,403 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-19 10:41:23,404 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-19 10:41:23,406 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-19 10:41:23,406 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-19 10:41:23,406 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-19 10:41:23,407 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-19 10:41:23,407 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-19 10:41:23,408 INFO L153 SettingsManager]: * Use SBE=true [2024-11-19 10:41:23,408 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-19 10:41:23,408 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-19 10:41:23,409 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-19 10:41:23,409 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-19 10:41:23,409 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-19 10:41:23,410 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-19 10:41:23,414 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-19 10:41:23,414 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-19 10:41:23,414 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-19 10:41:23,415 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-19 10:41:23,415 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-19 10:41:23,415 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-19 10:41:23,415 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-19 10:41:23,416 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-19 10:41:23,416 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-19 10:41:23,416 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-19 10:41:23,417 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-19 10:41:23,417 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-19 10:41:23,417 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-19 10:41:23,417 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 10:41:23,418 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-19 10:41:23,418 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-19 10:41:23,418 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-19 10:41:23,418 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-19 10:41:23,419 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-19 10:41:23,419 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-19 10:41:23,421 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-19 10:41:23,421 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-19 10:41:23,422 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-19 10:41:23,422 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 36da946a83103a61b88f0f1db9af94484aad5eefbde5313f974f53b267bd14bf [2024-11-19 10:41:23,684 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-19 10:41:23,708 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-19 10:41:23,712 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-19 10:41:23,713 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-19 10:41:23,714 INFO L274 PluginConnector]: CDTParser initialized [2024-11-19 10:41:23,715 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench-scaling/fermat2-ll_unwindbound100.c [2024-11-19 10:41:25,117 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-19 10:41:25,291 INFO L384 CDTParser]: Found 1 translation units. [2024-11-19 10:41:25,291 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/fermat2-ll_unwindbound100.c [2024-11-19 10:41:25,299 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5aed27c28/d07c524b3ba14c36aa624ed4fd83e4e5/FLAG05b9b2f1f [2024-11-19 10:41:25,691 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5aed27c28/d07c524b3ba14c36aa624ed4fd83e4e5 [2024-11-19 10:41:25,694 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-19 10:41:25,695 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-19 10:41:25,697 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-19 10:41:25,697 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-19 10:41:25,702 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-19 10:41:25,703 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 10:41:25" (1/1) ... [2024-11-19 10:41:25,705 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@376fd33c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:41:25, skipping insertion in model container [2024-11-19 10:41:25,706 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 10:41:25" (1/1) ... [2024-11-19 10:41:25,723 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-19 10:41:25,906 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 10:41:25,914 INFO L200 MainTranslator]: Completed pre-run [2024-11-19 10:41:25,931 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 10:41:25,943 INFO L204 MainTranslator]: Completed translation [2024-11-19 10:41:25,944 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:41:25 WrapperNode [2024-11-19 10:41:25,944 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-19 10:41:25,945 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-19 10:41:25,945 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-19 10:41:25,945 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-19 10:41:25,952 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:41:25" (1/1) ... [2024-11-19 10:41:25,957 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:41:25" (1/1) ... [2024-11-19 10:41:25,981 INFO L138 Inliner]: procedures = 14, calls = 12, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 111 [2024-11-19 10:41:25,981 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-19 10:41:25,982 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-19 10:41:25,982 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-19 10:41:25,982 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-19 10:41:25,996 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:41:25" (1/1) ... [2024-11-19 10:41:25,996 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:41:25" (1/1) ... [2024-11-19 10:41:25,998 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:41:25" (1/1) ... [2024-11-19 10:41:26,016 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-19 10:41:26,016 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:41:25" (1/1) ... [2024-11-19 10:41:26,016 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:41:25" (1/1) ... [2024-11-19 10:41:26,019 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:41:25" (1/1) ... [2024-11-19 10:41:26,022 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:41:25" (1/1) ... [2024-11-19 10:41:26,023 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:41:25" (1/1) ... [2024-11-19 10:41:26,024 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:41:25" (1/1) ... [2024-11-19 10:41:26,026 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-19 10:41:26,030 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-19 10:41:26,030 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-19 10:41:26,030 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-19 10:41:26,032 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:41:25" (1/1) ... [2024-11-19 10:41:26,044 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 10:41:26,071 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:41:26,092 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-19 10:41:26,111 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-19 10:41:26,150 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-19 10:41:26,150 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-19 10:41:26,150 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-19 10:41:26,150 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-19 10:41:26,150 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-19 10:41:26,150 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-19 10:41:26,150 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-19 10:41:26,150 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-19 10:41:26,201 INFO L238 CfgBuilder]: Building ICFG [2024-11-19 10:41:26,203 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-19 10:41:26,539 INFO L? ?]: Removed 81 outVars from TransFormulas that were not future-live. [2024-11-19 10:41:26,539 INFO L287 CfgBuilder]: Performing block encoding [2024-11-19 10:41:26,556 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-19 10:41:26,557 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-19 10:41:26,557 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 10:41:26 BoogieIcfgContainer [2024-11-19 10:41:26,557 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-19 10:41:26,559 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-19 10:41:26,559 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-19 10:41:26,562 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-19 10:41:26,562 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 10:41:25" (1/3) ... [2024-11-19 10:41:26,563 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63e39b1f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 10:41:26, skipping insertion in model container [2024-11-19 10:41:26,563 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:41:25" (2/3) ... [2024-11-19 10:41:26,563 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63e39b1f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 10:41:26, skipping insertion in model container [2024-11-19 10:41:26,563 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 10:41:26" (3/3) ... [2024-11-19 10:41:26,565 INFO L112 eAbstractionObserver]: Analyzing ICFG fermat2-ll_unwindbound100.c [2024-11-19 10:41:26,581 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-19 10:41:26,581 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 58 error locations. [2024-11-19 10:41:26,651 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-19 10:41:26,657 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;@1846cd23, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-19 10:41:26,657 INFO L334 AbstractCegarLoop]: Starting to check reachability of 58 error locations. [2024-11-19 10:41:26,661 INFO L276 IsEmpty]: Start isEmpty. Operand has 140 states, 75 states have (on average 1.8533333333333333) internal successors, (139), 133 states have internal predecessors, (139), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-19 10:41:26,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-19 10:41:26,666 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:41:26,666 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1] [2024-11-19 10:41:26,667 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-19 10:41:26,673 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:41:26,673 INFO L85 PathProgramCache]: Analyzing trace with hash 29856, now seen corresponding path program 1 times [2024-11-19 10:41:26,682 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:41:26,683 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1800555529] [2024-11-19 10:41:26,683 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:41:26,684 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:41:26,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:41:26,857 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 10:41:26,858 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:41:26,858 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1800555529] [2024-11-19 10:41:26,858 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1800555529] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:41:26,859 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:41:26,859 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 10:41:26,861 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [234181969] [2024-11-19 10:41:26,862 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:41:26,865 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 10:41:26,865 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:41:26,880 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 10:41:26,881 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 10:41:26,883 INFO L87 Difference]: Start difference. First operand has 140 states, 75 states have (on average 1.8533333333333333) internal successors, (139), 133 states have internal predecessors, (139), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Second operand has 3 states, 2 states have (on average 1.5) internal successors, (3), 3 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:41:26,975 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:41:26,976 INFO L93 Difference]: Finished difference Result 257 states and 281 transitions. [2024-11-19 10:41:26,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 10:41:26,978 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 3 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 3 [2024-11-19 10:41:26,979 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:41:26,985 INFO L225 Difference]: With dead ends: 257 [2024-11-19 10:41:26,986 INFO L226 Difference]: Without dead ends: 123 [2024-11-19 10:41:26,989 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 10:41:26,992 INFO L432 NwaCegarLoop]: 111 mSDtfsCounter, 13 mSDsluCounter, 107 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 218 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 10:41:26,993 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 218 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 10:41:27,008 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2024-11-19 10:41:27,030 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 123. [2024-11-19 10:41:27,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 123 states, 70 states have (on average 1.7142857142857142) internal successors, (120), 117 states have internal predecessors, (120), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-19 10:41:27,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 126 transitions. [2024-11-19 10:41:27,036 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 126 transitions. Word has length 3 [2024-11-19 10:41:27,036 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:41:27,037 INFO L471 AbstractCegarLoop]: Abstraction has 123 states and 126 transitions. [2024-11-19 10:41:27,037 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 3 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:41:27,037 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 126 transitions. [2024-11-19 10:41:27,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-19 10:41:27,037 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:41:27,037 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2024-11-19 10:41:27,037 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-19 10:41:27,038 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-19 10:41:27,039 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:41:27,039 INFO L85 PathProgramCache]: Analyzing trace with hash 925572, now seen corresponding path program 1 times [2024-11-19 10:41:27,039 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:41:27,040 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [589794347] [2024-11-19 10:41:27,040 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:41:27,040 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:41:27,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:41:27,079 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 10:41:27,079 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:41:27,079 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [589794347] [2024-11-19 10:41:27,079 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [589794347] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:41:27,080 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:41:27,080 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 10:41:27,080 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [911396119] [2024-11-19 10:41:27,080 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:41:27,081 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 10:41:27,082 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:41:27,082 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 10:41:27,083 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 10:41:27,083 INFO L87 Difference]: Start difference. First operand 123 states and 126 transitions. Second operand has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:41:27,146 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:41:27,147 INFO L93 Difference]: Finished difference Result 123 states and 126 transitions. [2024-11-19 10:41:27,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 10:41:27,150 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2024-11-19 10:41:27,150 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:41:27,151 INFO L225 Difference]: With dead ends: 123 [2024-11-19 10:41:27,151 INFO L226 Difference]: Without dead ends: 119 [2024-11-19 10:41:27,152 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 10:41:27,153 INFO L432 NwaCegarLoop]: 104 mSDtfsCounter, 12 mSDsluCounter, 101 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 205 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 10:41:27,153 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 205 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 10:41:27,156 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2024-11-19 10:41:27,166 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 119. [2024-11-19 10:41:27,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 119 states, 70 states have (on average 1.6571428571428573) internal successors, (116), 113 states have internal predecessors, (116), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-19 10:41:27,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 122 transitions. [2024-11-19 10:41:27,173 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 122 transitions. Word has length 4 [2024-11-19 10:41:27,173 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:41:27,173 INFO L471 AbstractCegarLoop]: Abstraction has 119 states and 122 transitions. [2024-11-19 10:41:27,174 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:41:27,174 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 122 transitions. [2024-11-19 10:41:27,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-19 10:41:27,175 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:41:27,175 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:41:27,175 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-19 10:41:27,176 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-19 10:41:27,176 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:41:27,177 INFO L85 PathProgramCache]: Analyzing trace with hash 87858952, now seen corresponding path program 1 times [2024-11-19 10:41:27,178 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:41:27,178 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1497492978] [2024-11-19 10:41:27,178 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:41:27,178 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:41:27,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-19 10:41:27,201 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [633778178] [2024-11-19 10:41:27,202 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:41:27,203 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:41:27,203 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:41:27,205 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 10:41:27,206 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-19 10:41:27,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:41:27,250 INFO L255 TraceCheckSpWp]: Trace formula consists of 33 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-19 10:41:27,254 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:41:27,318 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 10:41:27,319 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 10:41:27,319 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:41:27,319 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1497492978] [2024-11-19 10:41:27,320 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-19 10:41:27,320 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [633778178] [2024-11-19 10:41:27,320 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [633778178] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:41:27,320 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:41:27,320 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 10:41:27,320 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1188360512] [2024-11-19 10:41:27,320 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:41:27,321 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 10:41:27,321 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:41:27,324 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 10:41:27,325 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 10:41:27,326 INFO L87 Difference]: Start difference. First operand 119 states and 122 transitions. Second operand has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:41:27,363 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:41:27,366 INFO L93 Difference]: Finished difference Result 119 states and 122 transitions. [2024-11-19 10:41:27,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 10:41:27,368 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2024-11-19 10:41:27,368 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:41:27,370 INFO L225 Difference]: With dead ends: 119 [2024-11-19 10:41:27,370 INFO L226 Difference]: Without dead ends: 117 [2024-11-19 10:41:27,370 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 10:41:27,371 INFO L432 NwaCegarLoop]: 104 mSDtfsCounter, 8 mSDsluCounter, 101 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 205 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 [2024-11-19 10:41:27,372 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 205 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 10:41:27,373 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states. [2024-11-19 10:41:27,378 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 117. [2024-11-19 10:41:27,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117 states, 70 states have (on average 1.6285714285714286) internal successors, (114), 111 states have internal predecessors, (114), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-19 10:41:27,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 120 transitions. [2024-11-19 10:41:27,380 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 120 transitions. Word has length 8 [2024-11-19 10:41:27,380 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:41:27,380 INFO L471 AbstractCegarLoop]: Abstraction has 117 states and 120 transitions. [2024-11-19 10:41:27,380 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:41:27,382 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 120 transitions. [2024-11-19 10:41:27,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-19 10:41:27,383 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:41:27,383 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:41:27,401 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-19 10:41:27,583 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:41:27,584 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-19 10:41:27,585 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:41:27,585 INFO L85 PathProgramCache]: Analyzing trace with hash 1367701482, now seen corresponding path program 1 times [2024-11-19 10:41:27,585 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:41:27,585 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [672950517] [2024-11-19 10:41:27,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:41:27,586 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:41:27,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-19 10:41:27,625 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1900118841] [2024-11-19 10:41:27,626 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:41:27,626 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:41:27,626 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:41:27,628 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 10:41:27,629 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-19 10:41:27,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:41:27,673 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-19 10:41:27,674 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:41:27,727 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-19 10:41:27,727 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 10:41:27,727 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:41:27,728 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [672950517] [2024-11-19 10:41:27,728 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-19 10:41:27,728 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1900118841] [2024-11-19 10:41:27,728 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1900118841] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:41:27,728 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:41:27,729 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 10:41:27,729 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1327582023] [2024-11-19 10:41:27,729 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:41:27,729 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 10:41:27,730 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:41:27,734 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 10:41:27,735 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 10:41:27,735 INFO L87 Difference]: Start difference. First operand 117 states and 120 transitions. Second operand has 3 states, 2 states have (on average 9.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-19 10:41:27,770 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:41:27,771 INFO L93 Difference]: Finished difference Result 117 states and 120 transitions. [2024-11-19 10:41:27,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 10:41:27,772 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 9.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 25 [2024-11-19 10:41:27,773 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:41:27,775 INFO L225 Difference]: With dead ends: 117 [2024-11-19 10:41:27,775 INFO L226 Difference]: Without dead ends: 115 [2024-11-19 10:41:27,776 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 10:41:27,777 INFO L432 NwaCegarLoop]: 104 mSDtfsCounter, 86 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 87 SdHoareTripleChecker+Valid, 114 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 10:41:27,780 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [87 Valid, 114 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 10:41:27,781 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2024-11-19 10:41:27,789 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 115. [2024-11-19 10:41:27,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 115 states, 70 states have (on average 1.6) internal successors, (112), 109 states have internal predecessors, (112), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-19 10:41:27,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 118 transitions. [2024-11-19 10:41:27,793 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 118 transitions. Word has length 25 [2024-11-19 10:41:27,794 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:41:27,794 INFO L471 AbstractCegarLoop]: Abstraction has 115 states and 118 transitions. [2024-11-19 10:41:27,794 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 9.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-19 10:41:27,795 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 118 transitions. [2024-11-19 10:41:27,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-19 10:41:27,799 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:41:27,799 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:41:27,817 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-19 10:41:28,000 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,SelfDestructingSolverStorable3 [2024-11-19 10:41:28,001 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-19 10:41:28,001 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:41:28,001 INFO L85 PathProgramCache]: Analyzing trace with hash -550926956, now seen corresponding path program 1 times [2024-11-19 10:41:28,001 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:41:28,002 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [84076856] [2024-11-19 10:41:28,002 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:41:28,002 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:41:28,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:41:28,263 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-19 10:41:28,263 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:41:28,263 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [84076856] [2024-11-19 10:41:28,264 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [84076856] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:41:28,264 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [641190266] [2024-11-19 10:41:28,264 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:41:28,264 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:41:28,264 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:41:28,267 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 10:41:28,269 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-19 10:41:28,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:41:28,316 INFO L255 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-19 10:41:28,318 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:41:28,650 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-19 10:41:28,650 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 10:41:28,650 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [641190266] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:41:28,651 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-19 10:41:28,651 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2024-11-19 10:41:28,651 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1200217276] [2024-11-19 10:41:28,651 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:41:28,651 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-19 10:41:28,652 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:41:28,652 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-19 10:41:28,652 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-11-19 10:41:28,653 INFO L87 Difference]: Start difference. First operand 115 states and 118 transitions. Second operand has 6 states, 5 states have (on average 4.4) internal successors, (22), 6 states have internal predecessors, (22), 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) [2024-11-19 10:41:28,761 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:41:28,761 INFO L93 Difference]: Finished difference Result 115 states and 118 transitions. [2024-11-19 10:41:28,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-19 10:41:28,762 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 4.4) internal successors, (22), 6 states have internal predecessors, (22), 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 26 [2024-11-19 10:41:28,762 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:41:28,763 INFO L225 Difference]: With dead ends: 115 [2024-11-19 10:41:28,765 INFO L226 Difference]: Without dead ends: 113 [2024-11-19 10:41:28,765 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-11-19 10:41:28,766 INFO L432 NwaCegarLoop]: 101 mSDtfsCounter, 85 mSDsluCounter, 297 mSDsCounter, 0 mSdLazyCounter, 83 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 86 SdHoareTripleChecker+Valid, 398 SdHoareTripleChecker+Invalid, 84 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 83 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 10:41:28,768 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [86 Valid, 398 Invalid, 84 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 83 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 10:41:28,769 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2024-11-19 10:41:28,777 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 113. [2024-11-19 10:41:28,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 113 states, 70 states have (on average 1.5714285714285714) internal successors, (110), 107 states have internal predecessors, (110), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-19 10:41:28,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 116 transitions. [2024-11-19 10:41:28,780 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 116 transitions. Word has length 26 [2024-11-19 10:41:28,781 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:41:28,781 INFO L471 AbstractCegarLoop]: Abstraction has 113 states and 116 transitions. [2024-11-19 10:41:28,781 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 4.4) internal successors, (22), 6 states have internal predecessors, (22), 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) [2024-11-19 10:41:28,781 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 116 transitions. [2024-11-19 10:41:28,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-19 10:41:28,781 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:41:28,782 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:41:28,797 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-19 10:41:28,982 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:41:28,982 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-19 10:41:28,983 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:41:28,983 INFO L85 PathProgramCache]: Analyzing trace with hash -1159825162, now seen corresponding path program 1 times [2024-11-19 10:41:28,983 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:41:28,983 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [470912813] [2024-11-19 10:41:28,983 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:41:28,983 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:41:28,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:41:29,061 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-19 10:41:29,062 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:41:29,062 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [470912813] [2024-11-19 10:41:29,063 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [470912813] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:41:29,063 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:41:29,063 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 10:41:29,063 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2026738376] [2024-11-19 10:41:29,066 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:41:29,066 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 10:41:29,066 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:41:29,067 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 10:41:29,067 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 10:41:29,067 INFO L87 Difference]: Start difference. First operand 113 states and 116 transitions. Second operand has 4 states, 3 states have (on average 7.0) internal successors, (21), 4 states have internal predecessors, (21), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-19 10:41:29,086 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:41:29,087 INFO L93 Difference]: Finished difference Result 113 states and 116 transitions. [2024-11-19 10:41:29,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 10:41:29,087 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), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 28 [2024-11-19 10:41:29,088 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:41:29,088 INFO L225 Difference]: With dead ends: 113 [2024-11-19 10:41:29,088 INFO L226 Difference]: Without dead ends: 112 [2024-11-19 10:41:29,089 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-19 10:41:29,089 INFO L432 NwaCegarLoop]: 109 mSDtfsCounter, 98 mSDsluCounter, 108 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 98 SdHoareTripleChecker+Valid, 217 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 10:41:29,090 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [98 Valid, 217 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 10:41:29,090 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states. [2024-11-19 10:41:29,098 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 112. [2024-11-19 10:41:29,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 112 states, 70 states have (on average 1.5571428571428572) internal successors, (109), 106 states have internal predecessors, (109), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-19 10:41:29,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 115 transitions. [2024-11-19 10:41:29,102 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 115 transitions. Word has length 28 [2024-11-19 10:41:29,102 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:41:29,103 INFO L471 AbstractCegarLoop]: Abstraction has 112 states and 115 transitions. [2024-11-19 10:41:29,103 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), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-19 10:41:29,103 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 115 transitions. [2024-11-19 10:41:29,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-19 10:41:29,104 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:41:29,104 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:41:29,104 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-19 10:41:29,105 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-19 10:41:29,105 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:41:29,105 INFO L85 PathProgramCache]: Analyzing trace with hash -1594841583, now seen corresponding path program 1 times [2024-11-19 10:41:29,105 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:41:29,105 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [209851430] [2024-11-19 10:41:29,105 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:41:29,106 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:41:29,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:41:29,166 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-19 10:41:29,167 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:41:29,167 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [209851430] [2024-11-19 10:41:29,167 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [209851430] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:41:29,168 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:41:29,168 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 10:41:29,168 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [412339217] [2024-11-19 10:41:29,168 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:41:29,169 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 10:41:29,169 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:41:29,170 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 10:41:29,170 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 10:41:29,170 INFO L87 Difference]: Start difference. First operand 112 states and 115 transitions. Second operand has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-19 10:41:29,196 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:41:29,196 INFO L93 Difference]: Finished difference Result 145 states and 148 transitions. [2024-11-19 10:41:29,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-19 10:41:29,197 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), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 29 [2024-11-19 10:41:29,197 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:41:29,198 INFO L225 Difference]: With dead ends: 145 [2024-11-19 10:41:29,198 INFO L226 Difference]: Without dead ends: 116 [2024-11-19 10:41:29,198 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-19 10:41:29,199 INFO L432 NwaCegarLoop]: 111 mSDtfsCounter, 8 mSDsluCounter, 197 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 308 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 10:41:29,200 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 308 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 10:41:29,200 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2024-11-19 10:41:29,210 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 116. [2024-11-19 10:41:29,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 116 states, 74 states have (on average 1.527027027027027) internal successors, (113), 110 states have internal predecessors, (113), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-19 10:41:29,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 119 transitions. [2024-11-19 10:41:29,214 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 119 transitions. Word has length 29 [2024-11-19 10:41:29,214 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:41:29,214 INFO L471 AbstractCegarLoop]: Abstraction has 116 states and 119 transitions. [2024-11-19 10:41:29,215 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), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-19 10:41:29,215 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 119 transitions. [2024-11-19 10:41:29,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-19 10:41:29,215 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:41:29,215 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:41:29,216 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-19 10:41:29,216 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-19 10:41:29,216 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:41:29,216 INFO L85 PathProgramCache]: Analyzing trace with hash 660565843, now seen corresponding path program 1 times [2024-11-19 10:41:29,217 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:41:29,217 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1381909607] [2024-11-19 10:41:29,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:41:29,217 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:41:29,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:41:29,281 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-19 10:41:29,282 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:41:29,282 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1381909607] [2024-11-19 10:41:29,282 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1381909607] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:41:29,282 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:41:29,282 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 10:41:29,282 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [401917444] [2024-11-19 10:41:29,282 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:41:29,283 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 10:41:29,283 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:41:29,283 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 10:41:29,283 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 10:41:29,283 INFO L87 Difference]: Start difference. First operand 116 states and 119 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, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-19 10:41:29,320 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:41:29,320 INFO L93 Difference]: Finished difference Result 118 states and 121 transitions. [2024-11-19 10:41:29,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 10:41:29,325 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, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 31 [2024-11-19 10:41:29,325 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:41:29,326 INFO L225 Difference]: With dead ends: 118 [2024-11-19 10:41:29,326 INFO L226 Difference]: Without dead ends: 117 [2024-11-19 10:41:29,326 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 10:41:29,327 INFO L432 NwaCegarLoop]: 96 mSDtfsCounter, 35 mSDsluCounter, 63 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 159 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 10:41:29,327 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 159 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 10:41:29,327 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states. [2024-11-19 10:41:29,334 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 117. [2024-11-19 10:41:29,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117 states, 75 states have (on average 1.52) internal successors, (114), 111 states have internal predecessors, (114), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-19 10:41:29,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 120 transitions. [2024-11-19 10:41:29,335 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 120 transitions. Word has length 31 [2024-11-19 10:41:29,336 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:41:29,336 INFO L471 AbstractCegarLoop]: Abstraction has 117 states and 120 transitions. [2024-11-19 10:41:29,336 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, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-19 10:41:29,336 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 120 transitions. [2024-11-19 10:41:29,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-19 10:41:29,337 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:41:29,337 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:41:29,337 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-19 10:41:29,337 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-19 10:41:29,337 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:41:29,337 INFO L85 PathProgramCache]: Analyzing trace with hash -997295267, now seen corresponding path program 1 times [2024-11-19 10:41:29,337 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:41:29,337 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1146369271] [2024-11-19 10:41:29,338 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:41:29,338 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:41:29,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:41:29,404 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-19 10:41:29,404 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:41:29,404 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1146369271] [2024-11-19 10:41:29,405 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1146369271] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:41:29,405 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:41:29,405 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 10:41:29,405 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [862572800] [2024-11-19 10:41:29,405 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:41:29,405 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 10:41:29,406 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:41:29,406 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 10:41:29,406 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 10:41:29,406 INFO L87 Difference]: Start difference. First operand 117 states and 120 transitions. Second operand has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 4 states have internal predecessors, (25), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-19 10:41:29,488 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:41:29,489 INFO L93 Difference]: Finished difference Result 119 states and 122 transitions. [2024-11-19 10:41:29,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 10:41:29,489 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 4 states have internal predecessors, (25), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 32 [2024-11-19 10:41:29,490 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:41:29,490 INFO L225 Difference]: With dead ends: 119 [2024-11-19 10:41:29,490 INFO L226 Difference]: Without dead ends: 118 [2024-11-19 10:41:29,491 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 10:41:29,491 INFO L432 NwaCegarLoop]: 83 mSDtfsCounter, 45 mSDsluCounter, 131 mSDsCounter, 0 mSdLazyCounter, 79 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 214 SdHoareTripleChecker+Invalid, 81 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 79 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 10:41:29,491 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [48 Valid, 214 Invalid, 81 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 79 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 10:41:29,492 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2024-11-19 10:41:29,496 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 118. [2024-11-19 10:41:29,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 118 states, 76 states have (on average 1.513157894736842) internal successors, (115), 112 states have internal predecessors, (115), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-19 10:41:29,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 121 transitions. [2024-11-19 10:41:29,498 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 121 transitions. Word has length 32 [2024-11-19 10:41:29,498 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:41:29,498 INFO L471 AbstractCegarLoop]: Abstraction has 118 states and 121 transitions. [2024-11-19 10:41:29,498 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 4 states have internal predecessors, (25), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-19 10:41:29,498 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 121 transitions. [2024-11-19 10:41:29,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-19 10:41:29,499 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:41:29,499 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:41:29,499 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-19 10:41:29,499 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-19 10:41:29,500 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:41:29,500 INFO L85 PathProgramCache]: Analyzing trace with hash -851382123, now seen corresponding path program 1 times [2024-11-19 10:41:29,500 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:41:29,500 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [424914901] [2024-11-19 10:41:29,501 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:41:29,501 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:41:29,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-19 10:41:29,514 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1716414992] [2024-11-19 10:41:29,514 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:41:29,514 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:41:29,514 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:41:29,516 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 10:41:29,517 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-19 10:41:29,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:41:29,555 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-19 10:41:29,556 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:41:29,607 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-19 10:41:29,607 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 10:41:29,608 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:41:29,608 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [424914901] [2024-11-19 10:41:29,608 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-19 10:41:29,608 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1716414992] [2024-11-19 10:41:29,608 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1716414992] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:41:29,609 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:41:29,609 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 10:41:29,609 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [234672632] [2024-11-19 10:41:29,609 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:41:29,609 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 10:41:29,609 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:41:29,610 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 10:41:29,610 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 10:41:29,610 INFO L87 Difference]: Start difference. First operand 118 states and 121 transitions. Second operand has 3 states, 2 states have (on average 13.0) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-19 10:41:29,671 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:41:29,672 INFO L93 Difference]: Finished difference Result 154 states and 165 transitions. [2024-11-19 10:41:29,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 10:41:29,672 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 13.0) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 33 [2024-11-19 10:41:29,673 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:41:29,673 INFO L225 Difference]: With dead ends: 154 [2024-11-19 10:41:29,673 INFO L226 Difference]: Without dead ends: 153 [2024-11-19 10:41:29,674 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 10:41:29,674 INFO L432 NwaCegarLoop]: 98 mSDtfsCounter, 33 mSDsluCounter, 90 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 188 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 10:41:29,675 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [34 Valid, 188 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 10:41:29,675 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 153 states. [2024-11-19 10:41:29,693 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 153 to 119. [2024-11-19 10:41:29,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 119 states, 77 states have (on average 1.5064935064935066) internal successors, (116), 113 states have internal predecessors, (116), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-19 10:41:29,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 122 transitions. [2024-11-19 10:41:29,695 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 122 transitions. Word has length 33 [2024-11-19 10:41:29,696 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:41:29,696 INFO L471 AbstractCegarLoop]: Abstraction has 119 states and 122 transitions. [2024-11-19 10:41:29,696 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 13.0) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-19 10:41:29,696 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 122 transitions. [2024-11-19 10:41:29,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-19 10:41:29,697 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:41:29,697 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:41:29,713 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-19 10:41:29,898 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:41:29,898 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-19 10:41:29,899 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:41:29,899 INFO L85 PathProgramCache]: Analyzing trace with hash -623041953, now seen corresponding path program 1 times [2024-11-19 10:41:29,899 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:41:29,899 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1687928319] [2024-11-19 10:41:29,899 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:41:29,899 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:41:29,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:41:30,051 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-19 10:41:30,051 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:41:30,053 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1687928319] [2024-11-19 10:41:30,053 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1687928319] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:41:30,053 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2057408029] [2024-11-19 10:41:30,053 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:41:30,054 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:41:30,054 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:41:30,057 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 10:41:30,061 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-19 10:41:30,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:41:30,106 INFO L255 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-19 10:41:30,108 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:41:30,377 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-19 10:41:30,378 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:41:30,574 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-19 10:41:30,574 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2057408029] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 10:41:30,574 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 10:41:30,574 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 13 [2024-11-19 10:41:30,575 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1071058556] [2024-11-19 10:41:30,575 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 10:41:30,575 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-19 10:41:30,575 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:41:30,576 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-19 10:41:30,576 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=139, Unknown=0, NotChecked=0, Total=182 [2024-11-19 10:41:30,576 INFO L87 Difference]: Start difference. First operand 119 states and 122 transitions. Second operand has 14 states, 13 states have (on average 6.0) internal successors, (78), 14 states have internal predecessors, (78), 6 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 3 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-19 10:41:35,033 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-19 10:41:35,147 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:41:35,147 INFO L93 Difference]: Finished difference Result 154 states and 164 transitions. [2024-11-19 10:41:35,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-19 10:41:35,148 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 6.0) internal successors, (78), 14 states have internal predecessors, (78), 6 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 3 states have call predecessors, (6), 6 states have call successors, (6) Word has length 34 [2024-11-19 10:41:35,148 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:41:35,149 INFO L225 Difference]: With dead ends: 154 [2024-11-19 10:41:35,149 INFO L226 Difference]: Without dead ends: 153 [2024-11-19 10:41:35,149 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=49, Invalid=161, Unknown=0, NotChecked=0, Total=210 [2024-11-19 10:41:35,150 INFO L432 NwaCegarLoop]: 76 mSDtfsCounter, 185 mSDsluCounter, 433 mSDsCounter, 0 mSdLazyCounter, 251 mSolverCounterSat, 4 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 186 SdHoareTripleChecker+Valid, 509 SdHoareTripleChecker+Invalid, 256 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 251 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2024-11-19 10:41:35,150 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [186 Valid, 509 Invalid, 256 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 251 Invalid, 1 Unknown, 0 Unchecked, 4.5s Time] [2024-11-19 10:41:35,150 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 153 states. [2024-11-19 10:41:35,155 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 153 to 120. [2024-11-19 10:41:35,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 120 states, 78 states have (on average 1.5) internal successors, (117), 114 states have internal predecessors, (117), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-19 10:41:35,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 123 transitions. [2024-11-19 10:41:35,156 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 123 transitions. Word has length 34 [2024-11-19 10:41:35,157 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:41:35,157 INFO L471 AbstractCegarLoop]: Abstraction has 120 states and 123 transitions. [2024-11-19 10:41:35,157 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 6.0) internal successors, (78), 14 states have internal predecessors, (78), 6 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 3 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-19 10:41:35,157 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 123 transitions. [2024-11-19 10:41:35,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-19 10:41:35,158 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:41:35,158 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:41:35,174 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-19 10:41:35,362 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2024-11-19 10:41:35,363 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-19 10:41:35,364 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:41:35,364 INFO L85 PathProgramCache]: Analyzing trace with hash -1742859935, now seen corresponding path program 1 times [2024-11-19 10:41:35,364 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:41:35,364 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [133231339] [2024-11-19 10:41:35,364 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:41:35,364 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:41:35,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-19 10:41:35,381 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [525477126] [2024-11-19 10:41:35,381 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:41:35,381 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:41:35,381 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:41:35,383 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 10:41:35,385 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-19 10:41:35,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:41:35,427 INFO L255 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-19 10:41:35,429 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:41:35,613 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-19 10:41:35,613 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:41:35,736 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:41:35,736 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [133231339] [2024-11-19 10:41:35,736 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-19 10:41:35,736 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [525477126] [2024-11-19 10:41:35,736 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [525477126] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:41:35,736 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-19 10:41:35,736 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2024-11-19 10:41:35,736 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [523204083] [2024-11-19 10:41:35,737 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-19 10:41:35,737 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-19 10:41:35,737 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:41:35,737 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-19 10:41:35,737 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2024-11-19 10:41:35,738 INFO L87 Difference]: Start difference. First operand 120 states and 123 transitions. Second operand has 7 states, 6 states have (on average 5.333333333333333) internal successors, (32), 7 states have internal predecessors, (32), 2 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-19 10:41:37,133 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:41:37,134 INFO L93 Difference]: Finished difference Result 198 states and 212 transitions. [2024-11-19 10:41:37,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-19 10:41:37,134 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 5.333333333333333) internal successors, (32), 7 states have internal predecessors, (32), 2 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 36 [2024-11-19 10:41:37,134 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:41:37,135 INFO L225 Difference]: With dead ends: 198 [2024-11-19 10:41:37,135 INFO L226 Difference]: Without dead ends: 183 [2024-11-19 10:41:37,136 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=42, Invalid=114, Unknown=0, NotChecked=0, Total=156 [2024-11-19 10:41:37,136 INFO L432 NwaCegarLoop]: 65 mSDtfsCounter, 217 mSDsluCounter, 238 mSDsCounter, 0 mSdLazyCounter, 297 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 219 SdHoareTripleChecker+Valid, 303 SdHoareTripleChecker+Invalid, 313 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 297 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-19 10:41:37,137 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [219 Valid, 303 Invalid, 313 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 297 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-19 10:41:37,137 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 183 states. [2024-11-19 10:41:37,145 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 183 to 168. [2024-11-19 10:41:37,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 168 states, 125 states have (on average 1.512) internal successors, (189), 161 states have internal predecessors, (189), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-19 10:41:37,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 168 states and 197 transitions. [2024-11-19 10:41:37,149 INFO L78 Accepts]: Start accepts. Automaton has 168 states and 197 transitions. Word has length 36 [2024-11-19 10:41:37,149 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:41:37,149 INFO L471 AbstractCegarLoop]: Abstraction has 168 states and 197 transitions. [2024-11-19 10:41:37,150 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 5.333333333333333) internal successors, (32), 7 states have internal predecessors, (32), 2 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-19 10:41:37,150 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 197 transitions. [2024-11-19 10:41:37,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-11-19 10:41:37,150 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:41:37,151 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:41:37,170 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-19 10:41:37,351 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:41:37,353 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-19 10:41:37,353 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:41:37,353 INFO L85 PathProgramCache]: Analyzing trace with hash 148850787, now seen corresponding path program 1 times [2024-11-19 10:41:37,353 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:41:37,353 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [473260662] [2024-11-19 10:41:37,353 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:41:37,354 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:41:37,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-19 10:41:37,376 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [348513779] [2024-11-19 10:41:37,377 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:41:37,377 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:41:37,377 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:41:37,379 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 10:41:37,381 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-19 10:41:37,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:41:37,419 INFO L255 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-19 10:41:37,420 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:41:37,442 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-19 10:41:37,442 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 10:41:37,442 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:41:37,442 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [473260662] [2024-11-19 10:41:37,443 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-19 10:41:37,443 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [348513779] [2024-11-19 10:41:37,443 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [348513779] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:41:37,443 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:41:37,443 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 10:41:37,443 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [554596232] [2024-11-19 10:41:37,443 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:41:37,444 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 10:41:37,444 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:41:37,444 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 10:41:37,445 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 10:41:37,445 INFO L87 Difference]: Start difference. First operand 168 states and 197 transitions. Second operand has 3 states, 2 states have (on average 15.5) internal successors, (31), 3 states have internal predecessors, (31), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-19 10:41:37,559 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:41:37,559 INFO L93 Difference]: Finished difference Result 286 states and 346 transitions. [2024-11-19 10:41:37,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 10:41:37,559 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 15.5) internal successors, (31), 3 states have internal predecessors, (31), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 38 [2024-11-19 10:41:37,560 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:41:37,561 INFO L225 Difference]: With dead ends: 286 [2024-11-19 10:41:37,561 INFO L226 Difference]: Without dead ends: 257 [2024-11-19 10:41:37,562 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 10:41:37,562 INFO L432 NwaCegarLoop]: 84 mSDtfsCounter, 53 mSDsluCounter, 64 mSDsCounter, 0 mSdLazyCounter, 77 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 54 SdHoareTripleChecker+Valid, 148 SdHoareTripleChecker+Invalid, 90 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 77 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 10:41:37,562 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [54 Valid, 148 Invalid, 90 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 77 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 10:41:37,563 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 257 states. [2024-11-19 10:41:37,574 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 257 to 241. [2024-11-19 10:41:37,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 241 states, 196 states have (on average 1.4795918367346939) internal successors, (290), 232 states have internal predecessors, (290), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-19 10:41:37,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 241 states and 302 transitions. [2024-11-19 10:41:37,577 INFO L78 Accepts]: Start accepts. Automaton has 241 states and 302 transitions. Word has length 38 [2024-11-19 10:41:37,577 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:41:37,578 INFO L471 AbstractCegarLoop]: Abstraction has 241 states and 302 transitions. [2024-11-19 10:41:37,578 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 15.5) internal successors, (31), 3 states have internal predecessors, (31), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-19 10:41:37,578 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 302 transitions. [2024-11-19 10:41:37,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2024-11-19 10:41:37,579 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:41:37,579 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:41:37,597 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-19 10:41:37,780 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:41:37,780 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-19 10:41:37,781 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:41:37,781 INFO L85 PathProgramCache]: Analyzing trace with hash -671097975, now seen corresponding path program 1 times [2024-11-19 10:41:37,781 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:41:37,781 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [736835487] [2024-11-19 10:41:37,781 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:41:37,781 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:41:37,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:41:37,860 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-19 10:41:37,861 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:41:37,861 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [736835487] [2024-11-19 10:41:37,861 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [736835487] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:41:37,861 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:41:37,861 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-19 10:41:37,861 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1144876239] [2024-11-19 10:41:37,861 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:41:37,862 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-19 10:41:37,862 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:41:37,862 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-19 10:41:37,863 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-19 10:41:37,863 INFO L87 Difference]: Start difference. First operand 241 states and 302 transitions. Second operand has 5 states, 4 states have (on average 11.75) internal successors, (47), 5 states have internal predecessors, (47), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-19 10:41:37,994 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:41:37,994 INFO L93 Difference]: Finished difference Result 241 states and 302 transitions. [2024-11-19 10:41:37,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-19 10:41:37,995 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 11.75) internal successors, (47), 5 states have internal predecessors, (47), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 56 [2024-11-19 10:41:37,995 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:41:37,996 INFO L225 Difference]: With dead ends: 241 [2024-11-19 10:41:37,996 INFO L226 Difference]: Without dead ends: 240 [2024-11-19 10:41:37,996 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-19 10:41:37,997 INFO L432 NwaCegarLoop]: 75 mSDtfsCounter, 118 mSDsluCounter, 113 mSDsCounter, 0 mSdLazyCounter, 111 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 118 SdHoareTripleChecker+Valid, 188 SdHoareTripleChecker+Invalid, 115 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 111 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 10:41:37,997 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [118 Valid, 188 Invalid, 115 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 111 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 10:41:37,998 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 240 states. [2024-11-19 10:41:38,007 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 240 to 240. [2024-11-19 10:41:38,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 240 states, 196 states have (on average 1.4591836734693877) internal successors, (286), 231 states have internal predecessors, (286), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-19 10:41:38,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 240 states and 298 transitions. [2024-11-19 10:41:38,010 INFO L78 Accepts]: Start accepts. Automaton has 240 states and 298 transitions. Word has length 56 [2024-11-19 10:41:38,010 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:41:38,010 INFO L471 AbstractCegarLoop]: Abstraction has 240 states and 298 transitions. [2024-11-19 10:41:38,011 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 11.75) internal successors, (47), 5 states have internal predecessors, (47), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-19 10:41:38,011 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 298 transitions. [2024-11-19 10:41:38,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2024-11-19 10:41:38,012 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:41:38,013 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:41:38,013 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-19 10:41:38,013 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-19 10:41:38,014 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:41:38,014 INFO L85 PathProgramCache]: Analyzing trace with hash -671098295, now seen corresponding path program 1 times [2024-11-19 10:41:38,014 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:41:38,014 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2089551945] [2024-11-19 10:41:38,014 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:41:38,014 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:41:38,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:41:38,091 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-19 10:41:38,091 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:41:38,091 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2089551945] [2024-11-19 10:41:38,092 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2089551945] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:41:38,092 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:41:38,092 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 10:41:38,092 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1638498600] [2024-11-19 10:41:38,092 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:41:38,093 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 10:41:38,093 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:41:38,093 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 10:41:38,093 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-19 10:41:38,094 INFO L87 Difference]: Start difference. First operand 240 states and 298 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, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-19 10:41:38,218 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:41:38,218 INFO L93 Difference]: Finished difference Result 256 states and 299 transitions. [2024-11-19 10:41:38,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 10:41:38,219 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, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 56 [2024-11-19 10:41:38,220 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:41:38,221 INFO L225 Difference]: With dead ends: 256 [2024-11-19 10:41:38,221 INFO L226 Difference]: Without dead ends: 255 [2024-11-19 10:41:38,221 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-19 10:41:38,221 INFO L432 NwaCegarLoop]: 85 mSDtfsCounter, 40 mSDsluCounter, 92 mSDsCounter, 0 mSdLazyCounter, 114 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 177 SdHoareTripleChecker+Invalid, 114 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 114 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 10:41:38,222 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [40 Valid, 177 Invalid, 114 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 114 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 10:41:38,222 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 255 states. [2024-11-19 10:41:38,235 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 255 to 240. [2024-11-19 10:41:38,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 240 states, 196 states have (on average 1.4489795918367347) internal successors, (284), 231 states have internal predecessors, (284), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-19 10:41:38,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 240 states and 296 transitions. [2024-11-19 10:41:38,237 INFO L78 Accepts]: Start accepts. Automaton has 240 states and 296 transitions. Word has length 56 [2024-11-19 10:41:38,237 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:41:38,238 INFO L471 AbstractCegarLoop]: Abstraction has 240 states and 296 transitions. [2024-11-19 10:41:38,238 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, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-19 10:41:38,238 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 296 transitions. [2024-11-19 10:41:38,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-19 10:41:38,239 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:41:38,239 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:41:38,239 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-19 10:41:38,239 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr39ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-19 10:41:38,240 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:41:38,240 INFO L85 PathProgramCache]: Analyzing trace with hash 670799390, now seen corresponding path program 1 times [2024-11-19 10:41:38,240 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:41:38,240 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [969353895] [2024-11-19 10:41:38,240 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:41:38,240 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:41:38,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:41:38,292 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-19 10:41:38,292 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:41:38,292 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [969353895] [2024-11-19 10:41:38,292 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [969353895] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:41:38,292 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:41:38,293 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 10:41:38,293 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [187567899] [2024-11-19 10:41:38,293 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:41:38,293 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 10:41:38,293 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:41:38,294 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 10:41:38,294 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 10:41:38,294 INFO L87 Difference]: Start difference. First operand 240 states and 296 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, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-19 10:41:38,427 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:41:38,427 INFO L93 Difference]: Finished difference Result 263 states and 323 transitions. [2024-11-19 10:41:38,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 10:41:38,428 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, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 57 [2024-11-19 10:41:38,428 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:41:38,429 INFO L225 Difference]: With dead ends: 263 [2024-11-19 10:41:38,429 INFO L226 Difference]: Without dead ends: 259 [2024-11-19 10:41:38,429 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-19 10:41:38,430 INFO L432 NwaCegarLoop]: 92 mSDtfsCounter, 54 mSDsluCounter, 99 mSDsCounter, 0 mSdLazyCounter, 136 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 54 SdHoareTripleChecker+Valid, 191 SdHoareTripleChecker+Invalid, 141 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 136 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 10:41:38,430 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [54 Valid, 191 Invalid, 141 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 136 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 10:41:38,431 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 259 states. [2024-11-19 10:41:38,443 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 259 to 234. [2024-11-19 10:41:38,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 234 states, 194 states have (on average 1.402061855670103) internal successors, (272), 225 states have internal predecessors, (272), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-19 10:41:38,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 234 states and 284 transitions. [2024-11-19 10:41:38,445 INFO L78 Accepts]: Start accepts. Automaton has 234 states and 284 transitions. Word has length 57 [2024-11-19 10:41:38,445 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:41:38,446 INFO L471 AbstractCegarLoop]: Abstraction has 234 states and 284 transitions. [2024-11-19 10:41:38,446 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, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-19 10:41:38,446 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 284 transitions. [2024-11-19 10:41:38,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-19 10:41:38,448 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:41:38,448 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:41:38,448 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-19 10:41:38,449 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-19 10:41:38,449 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:41:38,449 INFO L85 PathProgramCache]: Analyzing trace with hash 670789460, now seen corresponding path program 1 times [2024-11-19 10:41:38,449 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:41:38,449 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1613676557] [2024-11-19 10:41:38,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:41:38,450 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:41:38,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:41:38,534 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-19 10:41:38,534 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:41:38,534 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1613676557] [2024-11-19 10:41:38,534 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1613676557] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:41:38,534 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:41:38,534 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-19 10:41:38,536 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [505949560] [2024-11-19 10:41:38,536 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:41:38,537 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-19 10:41:38,537 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:41:38,537 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-19 10:41:38,537 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-19 10:41:38,537 INFO L87 Difference]: Start difference. First operand 234 states and 284 transitions. Second operand has 5 states, 4 states have (on average 12.0) internal successors, (48), 5 states have internal predecessors, (48), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-19 10:41:38,712 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:41:38,712 INFO L93 Difference]: Finished difference Result 242 states and 285 transitions. [2024-11-19 10:41:38,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-19 10:41:38,713 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 12.0) internal successors, (48), 5 states have internal predecessors, (48), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 57 [2024-11-19 10:41:38,713 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:41:38,714 INFO L225 Difference]: With dead ends: 242 [2024-11-19 10:41:38,714 INFO L226 Difference]: Without dead ends: 241 [2024-11-19 10:41:38,714 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-19 10:41:38,715 INFO L432 NwaCegarLoop]: 63 mSDtfsCounter, 186 mSDsluCounter, 91 mSDsCounter, 0 mSdLazyCounter, 171 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 187 SdHoareTripleChecker+Valid, 154 SdHoareTripleChecker+Invalid, 174 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 171 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-19 10:41:38,715 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [187 Valid, 154 Invalid, 174 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 171 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-19 10:41:38,716 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 241 states. [2024-11-19 10:41:38,725 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 241 to 234. [2024-11-19 10:41:38,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 234 states, 194 states have (on average 1.3917525773195876) internal successors, (270), 225 states have internal predecessors, (270), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-19 10:41:38,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 234 states and 282 transitions. [2024-11-19 10:41:38,728 INFO L78 Accepts]: Start accepts. Automaton has 234 states and 282 transitions. Word has length 57 [2024-11-19 10:41:38,728 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:41:38,729 INFO L471 AbstractCegarLoop]: Abstraction has 234 states and 282 transitions. [2024-11-19 10:41:38,729 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 12.0) internal successors, (48), 5 states have internal predecessors, (48), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-19 10:41:38,729 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 282 transitions. [2024-11-19 10:41:38,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2024-11-19 10:41:38,729 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:41:38,729 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:41:38,729 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-19 10:41:38,729 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-19 10:41:38,730 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:41:38,730 INFO L85 PathProgramCache]: Analyzing trace with hash -825338779, now seen corresponding path program 1 times [2024-11-19 10:41:38,730 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:41:38,730 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [113982082] [2024-11-19 10:41:38,731 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:41:38,731 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:41:38,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:41:38,820 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-19 10:41:38,820 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:41:38,820 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [113982082] [2024-11-19 10:41:38,820 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [113982082] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:41:38,820 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1858631752] [2024-11-19 10:41:38,820 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:41:38,820 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:41:38,820 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:41:38,821 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 10:41:38,822 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-19 10:41:38,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:41:38,862 INFO L255 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-19 10:41:38,864 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:41:38,943 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-19 10:41:38,943 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:41:39,035 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-19 10:41:39,035 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1858631752] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 10:41:39,035 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 10:41:39,035 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4, 5] total 9 [2024-11-19 10:41:39,036 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [699112836] [2024-11-19 10:41:39,036 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 10:41:39,036 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-19 10:41:39,036 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:41:39,037 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-19 10:41:39,037 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2024-11-19 10:41:39,037 INFO L87 Difference]: Start difference. First operand 234 states and 282 transitions. Second operand has 10 states, 9 states have (on average 11.777777777777779) internal successors, (106), 10 states have internal predecessors, (106), 4 states have call successors, (9), 3 states have call predecessors, (9), 3 states have return successors, (9), 4 states have call predecessors, (9), 4 states have call successors, (9) [2024-11-19 10:41:39,149 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:41:39,149 INFO L93 Difference]: Finished difference Result 602 states and 706 transitions. [2024-11-19 10:41:39,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-19 10:41:39,150 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 11.777777777777779) internal successors, (106), 10 states have internal predecessors, (106), 4 states have call successors, (9), 3 states have call predecessors, (9), 3 states have return successors, (9), 4 states have call predecessors, (9), 4 states have call successors, (9) Word has length 62 [2024-11-19 10:41:39,150 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:41:39,152 INFO L225 Difference]: With dead ends: 602 [2024-11-19 10:41:39,152 INFO L226 Difference]: Without dead ends: 559 [2024-11-19 10:41:39,152 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 119 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=99, Invalid=173, Unknown=0, NotChecked=0, Total=272 [2024-11-19 10:41:39,153 INFO L432 NwaCegarLoop]: 105 mSDtfsCounter, 235 mSDsluCounter, 423 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 235 SdHoareTripleChecker+Valid, 528 SdHoareTripleChecker+Invalid, 48 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 10:41:39,153 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [235 Valid, 528 Invalid, 48 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 10:41:39,154 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 559 states. [2024-11-19 10:41:39,171 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 559 to 420. [2024-11-19 10:41:39,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 420 states, 372 states have (on average 1.4220430107526882) internal successors, (529), 403 states have internal predecessors, (529), 11 states have call successors, (11), 5 states have call predecessors, (11), 5 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-19 10:41:39,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 420 states to 420 states and 551 transitions. [2024-11-19 10:41:39,174 INFO L78 Accepts]: Start accepts. Automaton has 420 states and 551 transitions. Word has length 62 [2024-11-19 10:41:39,174 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:41:39,174 INFO L471 AbstractCegarLoop]: Abstraction has 420 states and 551 transitions. [2024-11-19 10:41:39,174 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 11.777777777777779) internal successors, (106), 10 states have internal predecessors, (106), 4 states have call successors, (9), 3 states have call predecessors, (9), 3 states have return successors, (9), 4 states have call predecessors, (9), 4 states have call successors, (9) [2024-11-19 10:41:39,174 INFO L276 IsEmpty]: Start isEmpty. Operand 420 states and 551 transitions. [2024-11-19 10:41:39,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-11-19 10:41:39,175 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:41:39,175 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:41:39,191 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-11-19 10:41:39,375 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,SelfDestructingSolverStorable17 [2024-11-19 10:41:39,376 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-19 10:41:39,376 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:41:39,376 INFO L85 PathProgramCache]: Analyzing trace with hash 1418385575, now seen corresponding path program 1 times [2024-11-19 10:41:39,376 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:41:39,376 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [972581937] [2024-11-19 10:41:39,376 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:41:39,376 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:41:39,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:41:39,433 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-19 10:41:39,434 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:41:39,434 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [972581937] [2024-11-19 10:41:39,434 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [972581937] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:41:39,434 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:41:39,434 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-19 10:41:39,435 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [824547604] [2024-11-19 10:41:39,435 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:41:39,435 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-19 10:41:39,435 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:41:39,435 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-19 10:41:39,436 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-19 10:41:39,436 INFO L87 Difference]: Start difference. First operand 420 states and 551 transitions. Second operand has 5 states, 4 states have (on average 13.75) internal successors, (55), 5 states have internal predecessors, (55), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-19 10:41:39,618 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:41:39,618 INFO L93 Difference]: Finished difference Result 481 states and 622 transitions. [2024-11-19 10:41:39,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-19 10:41:39,619 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 13.75) internal successors, (55), 5 states have internal predecessors, (55), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 64 [2024-11-19 10:41:39,619 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:41:39,621 INFO L225 Difference]: With dead ends: 481 [2024-11-19 10:41:39,621 INFO L226 Difference]: Without dead ends: 480 [2024-11-19 10:41:39,621 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-19 10:41:39,622 INFO L432 NwaCegarLoop]: 102 mSDtfsCounter, 70 mSDsluCounter, 190 mSDsCounter, 0 mSdLazyCounter, 132 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 70 SdHoareTripleChecker+Valid, 292 SdHoareTripleChecker+Invalid, 135 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 132 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 10:41:39,622 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [70 Valid, 292 Invalid, 135 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 132 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 10:41:39,623 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 480 states. [2024-11-19 10:41:39,642 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 480 to 433. [2024-11-19 10:41:39,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 433 states, 385 states have (on average 1.4077922077922078) internal successors, (542), 416 states have internal predecessors, (542), 11 states have call successors, (11), 5 states have call predecessors, (11), 5 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-19 10:41:39,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 433 states to 433 states and 564 transitions. [2024-11-19 10:41:39,644 INFO L78 Accepts]: Start accepts. Automaton has 433 states and 564 transitions. Word has length 64 [2024-11-19 10:41:39,644 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:41:39,644 INFO L471 AbstractCegarLoop]: Abstraction has 433 states and 564 transitions. [2024-11-19 10:41:39,645 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 13.75) internal successors, (55), 5 states have internal predecessors, (55), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-19 10:41:39,645 INFO L276 IsEmpty]: Start isEmpty. Operand 433 states and 564 transitions. [2024-11-19 10:41:39,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-11-19 10:41:39,647 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:41:39,647 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:41:39,648 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-19 10:41:39,648 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-19 10:41:39,648 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:41:39,648 INFO L85 PathProgramCache]: Analyzing trace with hash -836399119, now seen corresponding path program 1 times [2024-11-19 10:41:39,648 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:41:39,648 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1727270227] [2024-11-19 10:41:39,648 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:41:39,649 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:41:39,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:41:39,740 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-19 10:41:39,741 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:41:39,741 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1727270227] [2024-11-19 10:41:39,741 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1727270227] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:41:39,741 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1511418161] [2024-11-19 10:41:39,741 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:41:39,741 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:41:39,742 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:41:39,743 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 10:41:39,743 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-19 10:41:39,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:41:39,782 INFO L255 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-19 10:41:39,784 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:41:39,958 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-19 10:41:39,958 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:41:40,075 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-19 10:41:40,076 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1511418161] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 10:41:40,076 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 10:41:40,076 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 13 [2024-11-19 10:41:40,076 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1617921888] [2024-11-19 10:41:40,076 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 10:41:40,077 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-19 10:41:40,077 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:41:40,077 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-19 10:41:40,077 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=129, Unknown=0, NotChecked=0, Total=182 [2024-11-19 10:41:40,077 INFO L87 Difference]: Start difference. First operand 433 states and 564 transitions. Second operand has 14 states, 13 states have (on average 10.846153846153847) internal successors, (141), 14 states have internal predecessors, (141), 5 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 5 states have call predecessors, (7), 5 states have call successors, (7) [2024-11-19 10:41:40,743 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:41:40,743 INFO L93 Difference]: Finished difference Result 583 states and 738 transitions. [2024-11-19 10:41:40,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-19 10:41:40,744 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 10.846153846153847) internal successors, (141), 14 states have internal predecessors, (141), 5 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 5 states have call predecessors, (7), 5 states have call successors, (7) Word has length 64 [2024-11-19 10:41:40,744 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:41:40,746 INFO L225 Difference]: With dead ends: 583 [2024-11-19 10:41:40,746 INFO L226 Difference]: Without dead ends: 581 [2024-11-19 10:41:40,746 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 120 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 104 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=171, Invalid=335, Unknown=0, NotChecked=0, Total=506 [2024-11-19 10:41:40,747 INFO L432 NwaCegarLoop]: 82 mSDtfsCounter, 656 mSDsluCounter, 324 mSDsCounter, 0 mSdLazyCounter, 690 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 656 SdHoareTripleChecker+Valid, 406 SdHoareTripleChecker+Invalid, 712 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 690 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-19 10:41:40,749 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [656 Valid, 406 Invalid, 712 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 690 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-19 10:41:40,753 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 581 states. [2024-11-19 10:41:40,800 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 581 to 436. [2024-11-19 10:41:40,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 436 states, 389 states have (on average 1.3933161953727506) internal successors, (542), 419 states have internal predecessors, (542), 11 states have call successors, (11), 5 states have call predecessors, (11), 5 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-19 10:41:40,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 436 states to 436 states and 564 transitions. [2024-11-19 10:41:40,802 INFO L78 Accepts]: Start accepts. Automaton has 436 states and 564 transitions. Word has length 64 [2024-11-19 10:41:40,802 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:41:40,802 INFO L471 AbstractCegarLoop]: Abstraction has 436 states and 564 transitions. [2024-11-19 10:41:40,803 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 10.846153846153847) internal successors, (141), 14 states have internal predecessors, (141), 5 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 5 states have call predecessors, (7), 5 states have call successors, (7) [2024-11-19 10:41:40,803 INFO L276 IsEmpty]: Start isEmpty. Operand 436 states and 564 transitions. [2024-11-19 10:41:40,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-11-19 10:41:40,803 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:41:40,803 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:41:40,821 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2024-11-19 10:41:41,004 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:41:41,004 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-19 10:41:41,004 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:41:41,005 INFO L85 PathProgramCache]: Analyzing trace with hash 1020279945, now seen corresponding path program 1 times [2024-11-19 10:41:41,005 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:41:41,005 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [922404605] [2024-11-19 10:41:41,005 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:41:41,005 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:41:41,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:41:41,069 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-19 10:41:41,070 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:41:41,070 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [922404605] [2024-11-19 10:41:41,070 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [922404605] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:41:41,070 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [528881385] [2024-11-19 10:41:41,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:41:41,070 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:41:41,070 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:41:41,072 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 10:41:41,073 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-19 10:41:41,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:41:41,117 INFO L255 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-19 10:41:41,122 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:41:41,297 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-19 10:41:41,297 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:41:41,414 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-19 10:41:41,415 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [528881385] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 10:41:41,415 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 10:41:41,415 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 13 [2024-11-19 10:41:41,416 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [408659623] [2024-11-19 10:41:41,416 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 10:41:41,416 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-19 10:41:41,416 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:41:41,417 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-19 10:41:41,417 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=137, Unknown=0, NotChecked=0, Total=182 [2024-11-19 10:41:41,417 INFO L87 Difference]: Start difference. First operand 436 states and 564 transitions. Second operand has 14 states, 13 states have (on average 11.846153846153847) internal successors, (154), 14 states have internal predecessors, (154), 6 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 6 states have call predecessors, (9), 6 states have call successors, (9) [2024-11-19 10:41:41,969 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:41:41,970 INFO L93 Difference]: Finished difference Result 542 states and 697 transitions. [2024-11-19 10:41:41,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-19 10:41:41,971 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 11.846153846153847) internal successors, (154), 14 states have internal predecessors, (154), 6 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 6 states have call predecessors, (9), 6 states have call successors, (9) Word has length 65 [2024-11-19 10:41:41,971 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:41:41,974 INFO L225 Difference]: With dead ends: 542 [2024-11-19 10:41:41,974 INFO L226 Difference]: Without dead ends: 540 [2024-11-19 10:41:41,974 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 139 GetRequests, 121 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=109, Invalid=271, Unknown=0, NotChecked=0, Total=380 [2024-11-19 10:41:41,975 INFO L432 NwaCegarLoop]: 60 mSDtfsCounter, 299 mSDsluCounter, 289 mSDsCounter, 0 mSdLazyCounter, 737 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 299 SdHoareTripleChecker+Valid, 349 SdHoareTripleChecker+Invalid, 753 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 737 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-19 10:41:41,975 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [299 Valid, 349 Invalid, 753 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 737 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-19 10:41:41,976 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 540 states. [2024-11-19 10:41:41,998 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 540 to 448. [2024-11-19 10:41:41,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 448 states, 401 states have (on average 1.371571072319202) internal successors, (550), 431 states have internal predecessors, (550), 11 states have call successors, (11), 5 states have call predecessors, (11), 5 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-19 10:41:42,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 448 states to 448 states and 572 transitions. [2024-11-19 10:41:42,000 INFO L78 Accepts]: Start accepts. Automaton has 448 states and 572 transitions. Word has length 65 [2024-11-19 10:41:42,000 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:41:42,000 INFO L471 AbstractCegarLoop]: Abstraction has 448 states and 572 transitions. [2024-11-19 10:41:42,000 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 11.846153846153847) internal successors, (154), 14 states have internal predecessors, (154), 6 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 6 states have call predecessors, (9), 6 states have call successors, (9) [2024-11-19 10:41:42,001 INFO L276 IsEmpty]: Start isEmpty. Operand 448 states and 572 transitions. [2024-11-19 10:41:42,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-11-19 10:41:42,001 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:41:42,001 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:41:42,017 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-11-19 10:41:42,201 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable20 [2024-11-19 10:41:42,202 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-19 10:41:42,202 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:41:42,202 INFO L85 PathProgramCache]: Analyzing trace with hash -158568833, now seen corresponding path program 1 times [2024-11-19 10:41:42,202 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:41:42,203 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1571573224] [2024-11-19 10:41:42,203 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:41:42,203 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:41:42,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:41:42,301 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-19 10:41:42,302 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:41:42,302 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1571573224] [2024-11-19 10:41:42,302 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1571573224] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:41:42,302 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1760731169] [2024-11-19 10:41:42,302 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:41:42,303 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:41:42,303 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:41:42,305 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 10:41:42,307 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-11-19 10:41:42,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:41:42,352 INFO L255 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-19 10:41:42,354 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:41:56,930 WARN L873 $PredicateComparison]: unable to prove that (exists ((|v_ULTIMATE.start_main_~R~0#1_45| Int)) (let ((.cse0 (* |v_ULTIMATE.start_main_~R~0#1_45| |v_ULTIMATE.start_main_~R~0#1_45|))) (and (<= .cse0 9223372036854775807) (<= (+ |c_ULTIMATE.start_main_~r~0#1| |c_ULTIMATE.start_main_~A~0#1| 1) .cse0)))) is different from true [2024-11-19 10:41:56,978 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 6 not checked. [2024-11-19 10:41:56,978 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:41:58,159 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-19 10:41:58,159 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1760731169] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 10:41:58,159 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 10:41:58,160 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 13 [2024-11-19 10:41:58,160 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [459009244] [2024-11-19 10:41:58,160 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 10:41:58,160 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-19 10:41:58,160 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:41:58,161 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-19 10:41:58,161 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=105, Unknown=7, NotChecked=22, Total=182 [2024-11-19 10:41:58,161 INFO L87 Difference]: Start difference. First operand 448 states and 572 transitions. Second operand has 14 states, 13 states have (on average 10.307692307692308) internal successors, (134), 14 states have internal predecessors, (134), 4 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 4 states have call predecessors, (5), 4 states have call successors, (5) [2024-11-19 10:42:00,555 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-19 10:42:15,739 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-19 10:42:18,788 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-19 10:42:22,840 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-19 10:42:26,878 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-19 10:42:28,131 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.23s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-19 10:42:29,147 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-19 10:42:30,222 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-19 10:42:34,233 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-19 10:42:35,374 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.12s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-19 10:42:36,492 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-19 10:42:40,516 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-19 10:42:44,522 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-19 10:42:45,589 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-19 10:42:49,592 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-19 10:42:53,596 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-19 10:42:54,657 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-19 10:42:55,683 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-19 10:42:56,712 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-19 10:42:57,776 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-19 10:43:01,783 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-19 10:43:05,805 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0]