./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/no-overflow.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/cohencu-ll_unwindbound100.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version a046e57d Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/cohencu-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 c55d57654781cf0634666e1c7d4e43dff0d9410f4306aded3e4e446e1f9e88d1 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-mul-div-a046e57-m [2024-10-13 13:21:43,477 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-13 13:21:43,553 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-10-13 13:21:43,558 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-13 13:21:43,559 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-13 13:21:43,588 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-13 13:21:43,588 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-13 13:21:43,589 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-13 13:21:43,589 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-13 13:21:43,590 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-13 13:21:43,590 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-13 13:21:43,590 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-13 13:21:43,591 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-13 13:21:43,591 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-13 13:21:43,591 INFO L153 SettingsManager]: * Use SBE=true [2024-10-13 13:21:43,592 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-13 13:21:43,592 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-13 13:21:43,595 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-13 13:21:43,595 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-13 13:21:43,595 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-13 13:21:43,600 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-13 13:21:43,600 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-13 13:21:43,600 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-13 13:21:43,601 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-13 13:21:43,601 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-13 13:21:43,601 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-10-13 13:21:43,601 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-13 13:21:43,602 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-13 13:21:43,602 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-13 13:21:43,602 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-13 13:21:43,603 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-13 13:21:43,603 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-13 13:21:43,604 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-13 13:21:43,604 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-13 13:21:43,604 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-13 13:21:43,605 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-13 13:21:43,605 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-13 13:21:43,605 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-13 13:21:43,606 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-13 13:21:43,606 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-13 13:21:43,606 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-13 13:21:43,606 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-13 13:21:43,606 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-13 13:21:43,607 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-13 13:21:43,607 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c55d57654781cf0634666e1c7d4e43dff0d9410f4306aded3e4e446e1f9e88d1 [2024-10-13 13:21:43,851 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-13 13:21:43,872 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-13 13:21:43,875 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-13 13:21:43,876 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-13 13:21:43,876 INFO L274 PluginConnector]: CDTParser initialized [2024-10-13 13:21:43,877 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/cohencu-ll_unwindbound100.c [2024-10-13 13:21:45,334 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-13 13:21:45,520 INFO L384 CDTParser]: Found 1 translation units. [2024-10-13 13:21:45,524 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/cohencu-ll_unwindbound100.c [2024-10-13 13:21:45,541 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/de17bd123/1b9678392cc14535a289d27c97fdf4df/FLAG20b9b9c3c [2024-10-13 13:21:45,553 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/de17bd123/1b9678392cc14535a289d27c97fdf4df [2024-10-13 13:21:45,555 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-13 13:21:45,556 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-13 13:21:45,557 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-13 13:21:45,557 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-13 13:21:45,562 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-13 13:21:45,563 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 01:21:45" (1/1) ... [2024-10-13 13:21:45,564 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@46562206 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:21:45, skipping insertion in model container [2024-10-13 13:21:45,564 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 01:21:45" (1/1) ... [2024-10-13 13:21:45,583 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-13 13:21:45,747 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 13:21:45,755 INFO L200 MainTranslator]: Completed pre-run [2024-10-13 13:21:45,781 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 13:21:45,794 INFO L204 MainTranslator]: Completed translation [2024-10-13 13:21:45,794 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:21:45 WrapperNode [2024-10-13 13:21:45,794 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-13 13:21:45,795 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-13 13:21:45,795 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-13 13:21:45,796 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-13 13:21:45,800 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:21:45" (1/1) ... [2024-10-13 13:21:45,806 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:21:45" (1/1) ... [2024-10-13 13:21:45,832 INFO L138 Inliner]: procedures = 14, calls = 19, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 195 [2024-10-13 13:21:45,833 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-13 13:21:45,834 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-13 13:21:45,834 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-13 13:21:45,834 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-13 13:21:45,848 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:21:45" (1/1) ... [2024-10-13 13:21:45,849 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:21:45" (1/1) ... [2024-10-13 13:21:45,851 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:21:45" (1/1) ... [2024-10-13 13:21:45,868 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-10-13 13:21:45,868 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:21:45" (1/1) ... [2024-10-13 13:21:45,869 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:21:45" (1/1) ... [2024-10-13 13:21:45,873 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:21:45" (1/1) ... [2024-10-13 13:21:45,879 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:21:45" (1/1) ... [2024-10-13 13:21:45,880 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:21:45" (1/1) ... [2024-10-13 13:21:45,882 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:21:45" (1/1) ... [2024-10-13 13:21:45,884 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-13 13:21:45,885 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-13 13:21:45,885 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-13 13:21:45,885 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-13 13:21:45,886 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:21:45" (1/1) ... [2024-10-13 13:21:45,895 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-13 13:21:45,905 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:21:45,926 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-13 13:21:45,928 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-13 13:21:45,968 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-13 13:21:45,969 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-13 13:21:45,969 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-13 13:21:45,969 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-13 13:21:45,969 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-10-13 13:21:45,969 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-10-13 13:21:46,027 INFO L238 CfgBuilder]: Building ICFG [2024-10-13 13:21:46,029 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-13 13:21:46,865 INFO L? ?]: Removed 239 outVars from TransFormulas that were not future-live. [2024-10-13 13:21:46,867 INFO L287 CfgBuilder]: Performing block encoding [2024-10-13 13:21:46,914 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-13 13:21:46,914 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-13 13:21:46,914 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 01:21:46 BoogieIcfgContainer [2024-10-13 13:21:46,914 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-13 13:21:46,917 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-13 13:21:46,917 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-13 13:21:46,922 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-13 13:21:46,922 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 01:21:45" (1/3) ... [2024-10-13 13:21:46,923 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@cd326bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 01:21:46, skipping insertion in model container [2024-10-13 13:21:46,923 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:21:45" (2/3) ... [2024-10-13 13:21:46,923 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@cd326bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 01:21:46, skipping insertion in model container [2024-10-13 13:21:46,924 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 01:21:46" (3/3) ... [2024-10-13 13:21:46,925 INFO L112 eAbstractionObserver]: Analyzing ICFG cohencu-ll_unwindbound100.c [2024-10-13 13:21:46,942 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-13 13:21:46,942 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 140 error locations. [2024-10-13 13:21:47,010 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-13 13:21:47,016 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;@187e89d2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-13 13:21:47,017 INFO L334 AbstractCegarLoop]: Starting to check reachability of 140 error locations. [2024-10-13 13:21:47,023 INFO L276 IsEmpty]: Start isEmpty. Operand has 301 states, 148 states have (on average 1.972972972972973) internal successors, (292), 288 states have internal predecessors, (292), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-10-13 13:21:47,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-10-13 13:21:47,029 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:21:47,030 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1] [2024-10-13 13:21:47,030 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2024-10-13 13:21:47,035 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:21:47,036 INFO L85 PathProgramCache]: Analyzing trace with hash 368288, now seen corresponding path program 1 times [2024-10-13 13:21:47,045 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:21:47,045 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [796504677] [2024-10-13 13:21:47,045 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:21:47,046 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:21:47,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:21:47,275 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 13:21:47,276 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:21:47,276 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [796504677] [2024-10-13 13:21:47,277 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [796504677] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 13:21:47,277 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 13:21:47,277 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 13:21:47,279 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2063753785] [2024-10-13 13:21:47,280 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 13:21:47,284 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-13 13:21:47,285 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:21:47,305 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-13 13:21:47,306 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-13 13:21:47,311 INFO L87 Difference]: Start difference. First operand has 301 states, 148 states have (on average 1.972972972972973) internal successors, (292), 288 states have internal predecessors, (292), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) Second operand has 4 states, 3 states have (on average 1.0) 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) [2024-10-13 13:21:47,423 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:21:47,424 INFO L93 Difference]: Finished difference Result 598 states and 646 transitions. [2024-10-13 13:21:47,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-13 13:21:47,426 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.0) 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 [2024-10-13 13:21:47,427 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:21:47,436 INFO L225 Difference]: With dead ends: 598 [2024-10-13 13:21:47,437 INFO L226 Difference]: Without dead ends: 295 [2024-10-13 13:21:47,441 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-13 13:21:47,444 INFO L432 NwaCegarLoop]: 299 mSDtfsCounter, 4 mSDsluCounter, 596 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 895 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-13 13:21:47,445 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 895 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-13 13:21:47,459 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 295 states. [2024-10-13 13:21:47,487 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 295 to 295. [2024-10-13 13:21:47,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 295 states, 151 states have (on average 1.8874172185430464) internal successors, (285), 283 states have internal predecessors, (285), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-10-13 13:21:47,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 295 states and 305 transitions. [2024-10-13 13:21:47,493 INFO L78 Accepts]: Start accepts. Automaton has 295 states and 305 transitions. Word has length 3 [2024-10-13 13:21:47,493 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:21:47,493 INFO L471 AbstractCegarLoop]: Abstraction has 295 states and 305 transitions. [2024-10-13 13:21:47,494 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.0) 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) [2024-10-13 13:21:47,494 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 305 transitions. [2024-10-13 13:21:47,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-10-13 13:21:47,494 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:21:47,494 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-10-13 13:21:47,494 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-13 13:21:47,495 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2024-10-13 13:21:47,495 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:21:47,495 INFO L85 PathProgramCache]: Analyzing trace with hash -1913193205, now seen corresponding path program 1 times [2024-10-13 13:21:47,496 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:21:47,496 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [858353071] [2024-10-13 13:21:47,496 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:21:47,497 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:21:47,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:21:47,560 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 13:21:47,561 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:21:47,561 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [858353071] [2024-10-13 13:21:47,561 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [858353071] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 13:21:47,561 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 13:21:47,561 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-10-13 13:21:47,561 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [226768114] [2024-10-13 13:21:47,562 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 13:21:47,563 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 13:21:47,563 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:21:47,563 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 13:21:47,563 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 13:21:47,564 INFO L87 Difference]: Start difference. First operand 295 states and 305 transitions. Second operand has 3 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 13:21:47,704 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:21:47,705 INFO L93 Difference]: Finished difference Result 563 states and 583 transitions. [2024-10-13 13:21:47,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 13:21:47,706 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2024-10-13 13:21:47,706 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:21:47,710 INFO L225 Difference]: With dead ends: 563 [2024-10-13 13:21:47,711 INFO L226 Difference]: Without dead ends: 543 [2024-10-13 13:21:47,711 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 13:21:47,713 INFO L432 NwaCegarLoop]: 374 mSDtfsCounter, 237 mSDsluCounter, 257 mSDsCounter, 0 mSdLazyCounter, 73 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 247 SdHoareTripleChecker+Valid, 631 SdHoareTripleChecker+Invalid, 92 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 73 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-13 13:21:47,713 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [247 Valid, 631 Invalid, 92 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 73 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-13 13:21:47,715 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 543 states. [2024-10-13 13:21:47,744 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 543 to 353. [2024-10-13 13:21:47,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 353 states, 204 states have (on average 1.7941176470588236) internal successors, (366), 336 states have internal predecessors, (366), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-10-13 13:21:47,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 353 states to 353 states and 396 transitions. [2024-10-13 13:21:47,748 INFO L78 Accepts]: Start accepts. Automaton has 353 states and 396 transitions. Word has length 6 [2024-10-13 13:21:47,749 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:21:47,749 INFO L471 AbstractCegarLoop]: Abstraction has 353 states and 396 transitions. [2024-10-13 13:21:47,749 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 13:21:47,749 INFO L276 IsEmpty]: Start isEmpty. Operand 353 states and 396 transitions. [2024-10-13 13:21:47,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-10-13 13:21:47,750 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:21:47,751 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:21:47,751 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-13 13:21:47,751 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2024-10-13 13:21:47,752 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:21:47,752 INFO L85 PathProgramCache]: Analyzing trace with hash -1848326555, now seen corresponding path program 1 times [2024-10-13 13:21:47,752 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:21:47,752 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1441534774] [2024-10-13 13:21:47,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:21:47,753 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:21:47,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-13 13:21:47,794 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [458127939] [2024-10-13 13:21:47,794 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:21:47,795 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:21:47,795 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:21:47,797 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 13:21:47,799 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-13 13:21:47,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:21:47,860 INFO L255 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-13 13:21:47,872 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:21:48,051 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-13 13:21:48,052 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-13 13:21:48,052 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:21:48,052 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1441534774] [2024-10-13 13:21:48,053 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-13 13:21:48,053 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [458127939] [2024-10-13 13:21:48,053 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [458127939] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 13:21:48,053 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 13:21:48,053 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 13:21:48,054 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [795563028] [2024-10-13 13:21:48,054 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 13:21:48,054 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 13:21:48,054 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:21:48,055 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 13:21:48,055 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 13:21:48,056 INFO L87 Difference]: Start difference. First operand 353 states and 396 transitions. Second operand has 3 states, 2 states have (on average 13.5) internal successors, (27), 3 states have internal predecessors, (27), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-10-13 13:21:48,755 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:21:48,756 INFO L93 Difference]: Finished difference Result 513 states and 571 transitions. [2024-10-13 13:21:48,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 13:21:48,756 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 13.5) internal successors, (27), 3 states have internal predecessors, (27), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 39 [2024-10-13 13:21:48,757 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:21:48,760 INFO L225 Difference]: With dead ends: 513 [2024-10-13 13:21:48,760 INFO L226 Difference]: Without dead ends: 458 [2024-10-13 13:21:48,760 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 13:21:48,763 INFO L432 NwaCegarLoop]: 297 mSDtfsCounter, 134 mSDsluCounter, 112 mSDsCounter, 0 mSdLazyCounter, 354 mSolverCounterSat, 54 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 141 SdHoareTripleChecker+Valid, 409 SdHoareTripleChecker+Invalid, 408 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 54 IncrementalHoareTripleChecker+Valid, 354 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-10-13 13:21:48,763 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [141 Valid, 409 Invalid, 408 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [54 Valid, 354 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-10-13 13:21:48,765 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 458 states. [2024-10-13 13:21:48,789 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 458 to 438. [2024-10-13 13:21:48,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 438 states, 284 states have (on average 1.6514084507042253) internal successors, (469), 416 states have internal predecessors, (469), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-10-13 13:21:48,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 438 states to 438 states and 509 transitions. [2024-10-13 13:21:48,793 INFO L78 Accepts]: Start accepts. Automaton has 438 states and 509 transitions. Word has length 39 [2024-10-13 13:21:48,793 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:21:48,793 INFO L471 AbstractCegarLoop]: Abstraction has 438 states and 509 transitions. [2024-10-13 13:21:48,793 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 13.5) internal successors, (27), 3 states have internal predecessors, (27), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-10-13 13:21:48,794 INFO L276 IsEmpty]: Start isEmpty. Operand 438 states and 509 transitions. [2024-10-13 13:21:48,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-10-13 13:21:48,795 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:21:48,795 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:21:48,809 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-10-13 13:21:48,996 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 [2024-10-13 13:21:48,997 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2024-10-13 13:21:48,997 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:21:48,997 INFO L85 PathProgramCache]: Analyzing trace with hash 1874644039, now seen corresponding path program 1 times [2024-10-13 13:21:48,998 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:21:48,998 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [324683461] [2024-10-13 13:21:48,998 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:21:48,998 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:21:49,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:21:49,113 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-13 13:21:49,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:21:49,127 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 13:21:49,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:21:49,140 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-13 13:21:49,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:21:49,152 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-13 13:21:49,155 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:21:49,156 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [324683461] [2024-10-13 13:21:49,156 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [324683461] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 13:21:49,156 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 13:21:49,156 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 13:21:49,156 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [143608863] [2024-10-13 13:21:49,156 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 13:21:49,157 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 13:21:49,157 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:21:49,158 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 13:21:49,158 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 13:21:49,158 INFO L87 Difference]: Start difference. First operand 438 states and 509 transitions. Second operand has 3 states, 2 states have (on average 14.5) internal successors, (29), 3 states have internal predecessors, (29), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-10-13 13:21:49,637 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:21:49,637 INFO L93 Difference]: Finished difference Result 471 states and 516 transitions. [2024-10-13 13:21:49,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 13:21:49,638 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 14.5) internal successors, (29), 3 states have internal predecessors, (29), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 41 [2024-10-13 13:21:49,638 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:21:49,640 INFO L225 Difference]: With dead ends: 471 [2024-10-13 13:21:49,640 INFO L226 Difference]: Without dead ends: 448 [2024-10-13 13:21:49,641 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 [2024-10-13 13:21:49,642 INFO L432 NwaCegarLoop]: 274 mSDtfsCounter, 120 mSDsluCounter, 206 mSDsCounter, 0 mSdLazyCounter, 176 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 127 SdHoareTripleChecker+Valid, 480 SdHoareTripleChecker+Invalid, 198 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 176 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-13 13:21:49,643 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [127 Valid, 480 Invalid, 198 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 176 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-13 13:21:49,644 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 448 states. [2024-10-13 13:21:49,663 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 448 to 438. [2024-10-13 13:21:49,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 438 states, 284 states have (on average 1.5704225352112675) internal successors, (446), 416 states have internal predecessors, (446), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-10-13 13:21:49,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 438 states to 438 states and 486 transitions. [2024-10-13 13:21:49,667 INFO L78 Accepts]: Start accepts. Automaton has 438 states and 486 transitions. Word has length 41 [2024-10-13 13:21:49,667 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:21:49,668 INFO L471 AbstractCegarLoop]: Abstraction has 438 states and 486 transitions. [2024-10-13 13:21:49,668 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 14.5) internal successors, (29), 3 states have internal predecessors, (29), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-10-13 13:21:49,668 INFO L276 IsEmpty]: Start isEmpty. Operand 438 states and 486 transitions. [2024-10-13 13:21:49,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-10-13 13:21:49,671 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:21:49,671 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:21:49,672 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-13 13:21:49,672 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2024-10-13 13:21:49,673 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:21:49,674 INFO L85 PathProgramCache]: Analyzing trace with hash 1941627433, now seen corresponding path program 1 times [2024-10-13 13:21:49,674 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:21:49,674 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1667483494] [2024-10-13 13:21:49,675 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:21:49,675 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:21:49,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:21:49,805 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-13 13:21:49,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:21:49,811 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 13:21:49,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:21:49,821 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-13 13:21:49,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:21:49,830 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-13 13:21:49,830 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:21:49,831 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1667483494] [2024-10-13 13:21:49,831 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1667483494] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 13:21:49,831 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 13:21:49,831 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-13 13:21:49,831 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2093267902] [2024-10-13 13:21:49,831 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 13:21:49,835 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-13 13:21:49,836 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:21:49,836 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-13 13:21:49,836 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-13 13:21:49,837 INFO L87 Difference]: Start difference. First operand 438 states and 486 transitions. Second operand has 4 states, 3 states have (on average 10.333333333333334) internal successors, (31), 4 states have internal predecessors, (31), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-10-13 13:21:50,880 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:21:50,880 INFO L93 Difference]: Finished difference Result 450 states and 493 transitions. [2024-10-13 13:21:50,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-13 13:21:50,881 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 10.333333333333334) internal successors, (31), 4 states have internal predecessors, (31), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 43 [2024-10-13 13:21:50,881 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:21:50,883 INFO L225 Difference]: With dead ends: 450 [2024-10-13 13:21:50,883 INFO L226 Difference]: Without dead ends: 448 [2024-10-13 13:21:50,883 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-13 13:21:50,884 INFO L432 NwaCegarLoop]: 240 mSDtfsCounter, 256 mSDsluCounter, 207 mSDsCounter, 0 mSdLazyCounter, 242 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 266 SdHoareTripleChecker+Valid, 447 SdHoareTripleChecker+Invalid, 251 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 242 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-10-13 13:21:50,884 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [266 Valid, 447 Invalid, 251 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 242 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-10-13 13:21:50,885 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 448 states. [2024-10-13 13:21:50,894 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 448 to 438. [2024-10-13 13:21:50,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 438 states, 284 states have (on average 1.5633802816901408) internal successors, (444), 416 states have internal predecessors, (444), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-10-13 13:21:50,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 438 states to 438 states and 484 transitions. [2024-10-13 13:21:50,897 INFO L78 Accepts]: Start accepts. Automaton has 438 states and 484 transitions. Word has length 43 [2024-10-13 13:21:50,897 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:21:50,897 INFO L471 AbstractCegarLoop]: Abstraction has 438 states and 484 transitions. [2024-10-13 13:21:50,897 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 10.333333333333334) internal successors, (31), 4 states have internal predecessors, (31), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-10-13 13:21:50,898 INFO L276 IsEmpty]: Start isEmpty. Operand 438 states and 484 transitions. [2024-10-13 13:21:50,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2024-10-13 13:21:50,898 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:21:50,898 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:21:50,899 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-13 13:21:50,899 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2024-10-13 13:21:50,899 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:21:50,899 INFO L85 PathProgramCache]: Analyzing trace with hash 60908376, now seen corresponding path program 1 times [2024-10-13 13:21:50,900 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:21:50,900 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [955992784] [2024-10-13 13:21:50,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:21:50,900 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:21:50,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:21:51,100 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-13 13:21:51,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:21:51,105 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 13:21:51,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:21:51,108 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-13 13:21:51,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:21:51,112 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-13 13:21:51,112 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:21:51,113 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [955992784] [2024-10-13 13:21:51,113 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [955992784] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 13:21:51,113 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 13:21:51,113 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-13 13:21:51,113 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2110066929] [2024-10-13 13:21:51,113 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 13:21:51,114 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-13 13:21:51,114 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:21:51,115 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-13 13:21:51,115 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-13 13:21:51,119 INFO L87 Difference]: Start difference. First operand 438 states and 484 transitions. Second operand has 4 states, 3 states have (on average 10.666666666666666) internal successors, (32), 4 states have internal predecessors, (32), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-10-13 13:21:55,058 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:21:55,058 INFO L93 Difference]: Finished difference Result 450 states and 491 transitions. [2024-10-13 13:21:55,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-13 13:21:55,059 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 10.666666666666666) internal successors, (32), 4 states have internal predecessors, (32), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 44 [2024-10-13 13:21:55,059 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:21:55,061 INFO L225 Difference]: With dead ends: 450 [2024-10-13 13:21:55,061 INFO L226 Difference]: Without dead ends: 448 [2024-10-13 13:21:55,061 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-13 13:21:55,062 INFO L432 NwaCegarLoop]: 279 mSDtfsCounter, 140 mSDsluCounter, 297 mSDsCounter, 0 mSdLazyCounter, 468 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 150 SdHoareTripleChecker+Valid, 576 SdHoareTripleChecker+Invalid, 470 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 468 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.9s IncrementalHoareTripleChecker+Time [2024-10-13 13:21:55,064 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [150 Valid, 576 Invalid, 470 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 468 Invalid, 0 Unknown, 0 Unchecked, 3.9s Time] [2024-10-13 13:21:55,065 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 448 states. [2024-10-13 13:21:55,077 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 448 to 438. [2024-10-13 13:21:55,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 438 states, 284 states have (on average 1.556338028169014) internal successors, (442), 416 states have internal predecessors, (442), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-10-13 13:21:55,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 438 states to 438 states and 482 transitions. [2024-10-13 13:21:55,080 INFO L78 Accepts]: Start accepts. Automaton has 438 states and 482 transitions. Word has length 44 [2024-10-13 13:21:55,080 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:21:55,080 INFO L471 AbstractCegarLoop]: Abstraction has 438 states and 482 transitions. [2024-10-13 13:21:55,081 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 10.666666666666666) internal successors, (32), 4 states have internal predecessors, (32), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-10-13 13:21:55,081 INFO L276 IsEmpty]: Start isEmpty. Operand 438 states and 482 transitions. [2024-10-13 13:21:55,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-10-13 13:21:55,081 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:21:55,082 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:21:55,082 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-13 13:21:55,082 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2024-10-13 13:21:55,082 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:21:55,083 INFO L85 PathProgramCache]: Analyzing trace with hash 2045328877, now seen corresponding path program 1 times [2024-10-13 13:21:55,083 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:21:55,083 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [917455648] [2024-10-13 13:21:55,083 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:21:55,083 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:21:55,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-13 13:21:55,098 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1781067796] [2024-10-13 13:21:55,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:21:55,098 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:21:55,098 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:21:55,103 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 13:21:55,105 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-10-13 13:21:55,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:21:55,157 INFO L255 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-10-13 13:21:55,158 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:21:55,390 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-13 13:21:55,390 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-13 13:21:55,390 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:21:55,390 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [917455648] [2024-10-13 13:21:55,390 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-13 13:21:55,391 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1781067796] [2024-10-13 13:21:55,391 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1781067796] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 13:21:55,391 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 13:21:55,391 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 13:21:55,391 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [855627847] [2024-10-13 13:21:55,391 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 13:21:55,391 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 13:21:55,391 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:21:55,392 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 13:21:55,392 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 13:21:55,392 INFO L87 Difference]: Start difference. First operand 438 states and 482 transitions. Second operand has 3 states, 2 states have (on average 17.5) internal successors, (35), 3 states have internal predecessors, (35), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-10-13 13:21:55,843 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:21:55,843 INFO L93 Difference]: Finished difference Result 455 states and 489 transitions. [2024-10-13 13:21:55,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 13:21:55,844 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 17.5) internal successors, (35), 3 states have internal predecessors, (35), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 47 [2024-10-13 13:21:55,844 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:21:55,846 INFO L225 Difference]: With dead ends: 455 [2024-10-13 13:21:55,846 INFO L226 Difference]: Without dead ends: 446 [2024-10-13 13:21:55,846 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 13:21:55,847 INFO L432 NwaCegarLoop]: 253 mSDtfsCounter, 112 mSDsluCounter, 86 mSDsCounter, 0 mSdLazyCounter, 346 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 119 SdHoareTripleChecker+Valid, 339 SdHoareTripleChecker+Invalid, 354 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 346 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-13 13:21:55,847 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [119 Valid, 339 Invalid, 354 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 346 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-13 13:21:55,848 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 446 states. [2024-10-13 13:21:55,856 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 446 to 441. [2024-10-13 13:21:55,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 441 states, 287 states have (on average 1.529616724738676) internal successors, (439), 419 states have internal predecessors, (439), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-10-13 13:21:55,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 441 states to 441 states and 479 transitions. [2024-10-13 13:21:55,858 INFO L78 Accepts]: Start accepts. Automaton has 441 states and 479 transitions. Word has length 47 [2024-10-13 13:21:55,859 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:21:55,859 INFO L471 AbstractCegarLoop]: Abstraction has 441 states and 479 transitions. [2024-10-13 13:21:55,859 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 17.5) internal successors, (35), 3 states have internal predecessors, (35), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-10-13 13:21:55,859 INFO L276 IsEmpty]: Start isEmpty. Operand 441 states and 479 transitions. [2024-10-13 13:21:55,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-10-13 13:21:55,860 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:21:55,860 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:21:55,877 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-10-13 13:21:56,062 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2024-10-13 13:21:56,063 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2024-10-13 13:21:56,063 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:21:56,063 INFO L85 PathProgramCache]: Analyzing trace with hash -1019314148, now seen corresponding path program 1 times [2024-10-13 13:21:56,064 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:21:56,064 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1045419487] [2024-10-13 13:21:56,064 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:21:56,064 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:21:56,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:21:56,163 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-13 13:21:56,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:21:56,171 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 13:21:56,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:21:56,176 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-13 13:21:56,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:21:56,180 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-13 13:21:56,184 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:21:56,184 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1045419487] [2024-10-13 13:21:56,184 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1045419487] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 13:21:56,184 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 13:21:56,185 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-13 13:21:56,185 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [952305553] [2024-10-13 13:21:56,185 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 13:21:56,185 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-13 13:21:56,185 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:21:56,186 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-13 13:21:56,186 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-13 13:21:56,186 INFO L87 Difference]: Start difference. First operand 441 states and 479 transitions. Second operand has 4 states, 3 states have (on average 12.0) internal successors, (36), 4 states have internal predecessors, (36), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-10-13 13:21:56,601 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:21:56,602 INFO L93 Difference]: Finished difference Result 454 states and 480 transitions. [2024-10-13 13:21:56,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-13 13:21:56,606 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 12.0) internal successors, (36), 4 states have internal predecessors, (36), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 48 [2024-10-13 13:21:56,607 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:21:56,608 INFO L225 Difference]: With dead ends: 454 [2024-10-13 13:21:56,608 INFO L226 Difference]: Without dead ends: 448 [2024-10-13 13:21:56,609 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-13 13:21:56,609 INFO L432 NwaCegarLoop]: 247 mSDtfsCounter, 247 mSDsluCounter, 128 mSDsCounter, 0 mSdLazyCounter, 294 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 257 SdHoareTripleChecker+Valid, 375 SdHoareTripleChecker+Invalid, 307 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 294 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-13 13:21:56,610 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [257 Valid, 375 Invalid, 307 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 294 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-13 13:21:56,611 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 448 states. [2024-10-13 13:21:56,619 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 448 to 441. [2024-10-13 13:21:56,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 441 states, 287 states have (on average 1.5087108013937283) internal successors, (433), 419 states have internal predecessors, (433), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-10-13 13:21:56,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 441 states to 441 states and 473 transitions. [2024-10-13 13:21:56,621 INFO L78 Accepts]: Start accepts. Automaton has 441 states and 473 transitions. Word has length 48 [2024-10-13 13:21:56,622 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:21:56,622 INFO L471 AbstractCegarLoop]: Abstraction has 441 states and 473 transitions. [2024-10-13 13:21:56,622 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 12.0) internal successors, (36), 4 states have internal predecessors, (36), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-10-13 13:21:56,622 INFO L276 IsEmpty]: Start isEmpty. Operand 441 states and 473 transitions. [2024-10-13 13:21:56,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2024-10-13 13:21:56,623 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:21:56,623 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:21:56,623 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-13 13:21:56,623 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2024-10-13 13:21:56,624 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:21:56,624 INFO L85 PathProgramCache]: Analyzing trace with hash 29056224, now seen corresponding path program 1 times [2024-10-13 13:21:56,624 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:21:56,624 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [479569672] [2024-10-13 13:21:56,624 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:21:56,625 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:21:56,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:21:56,705 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-13 13:21:56,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:21:56,710 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 13:21:56,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:21:56,715 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-13 13:21:56,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:21:56,719 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-13 13:21:56,719 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:21:56,720 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [479569672] [2024-10-13 13:21:56,720 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [479569672] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 13:21:56,720 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 13:21:56,720 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-13 13:21:56,720 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [668967023] [2024-10-13 13:21:56,720 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 13:21:56,721 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-13 13:21:56,721 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:21:56,721 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-13 13:21:56,721 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-13 13:21:56,722 INFO L87 Difference]: Start difference. First operand 441 states and 473 transitions. Second operand has 4 states, 3 states have (on average 13.333333333333334) internal successors, (40), 4 states have internal predecessors, (40), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-10-13 13:21:57,267 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:21:57,268 INFO L93 Difference]: Finished difference Result 452 states and 474 transitions. [2024-10-13 13:21:57,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 13:21:57,269 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 13.333333333333334) internal successors, (40), 4 states have internal predecessors, (40), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 52 [2024-10-13 13:21:57,269 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:21:57,271 INFO L225 Difference]: With dead ends: 452 [2024-10-13 13:21:57,271 INFO L226 Difference]: Without dead ends: 379 [2024-10-13 13:21:57,273 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-13 13:21:57,274 INFO L432 NwaCegarLoop]: 271 mSDtfsCounter, 226 mSDsluCounter, 88 mSDsCounter, 0 mSdLazyCounter, 326 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 233 SdHoareTripleChecker+Valid, 359 SdHoareTripleChecker+Invalid, 338 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 326 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-13 13:21:57,274 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [233 Valid, 359 Invalid, 338 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 326 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-13 13:21:57,275 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 379 states. [2024-10-13 13:21:57,283 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 379 to 375. [2024-10-13 13:21:57,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 375 states, 224 states have (on average 1.625) internal successors, (364), 356 states have internal predecessors, (364), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-10-13 13:21:57,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 375 states to 375 states and 398 transitions. [2024-10-13 13:21:57,285 INFO L78 Accepts]: Start accepts. Automaton has 375 states and 398 transitions. Word has length 52 [2024-10-13 13:21:57,286 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:21:57,286 INFO L471 AbstractCegarLoop]: Abstraction has 375 states and 398 transitions. [2024-10-13 13:21:57,287 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 13.333333333333334) internal successors, (40), 4 states have internal predecessors, (40), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-10-13 13:21:57,287 INFO L276 IsEmpty]: Start isEmpty. Operand 375 states and 398 transitions. [2024-10-13 13:21:57,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2024-10-13 13:21:57,289 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:21:57,289 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:21:57,289 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-10-13 13:21:57,289 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr54ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2024-10-13 13:21:57,290 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:21:57,290 INFO L85 PathProgramCache]: Analyzing trace with hash 649164770, now seen corresponding path program 1 times [2024-10-13 13:21:57,290 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:21:57,290 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [7696496] [2024-10-13 13:21:57,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:21:57,290 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:21:57,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:21:57,374 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-13 13:21:57,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:21:57,378 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 13:21:57,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:21:57,381 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-13 13:21:57,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:21:57,387 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-10-13 13:21:57,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:21:57,392 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-13 13:21:57,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:21:57,399 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-10-13 13:21:57,401 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:21:57,402 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [7696496] [2024-10-13 13:21:57,402 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [7696496] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 13:21:57,402 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 13:21:57,402 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 13:21:57,402 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1685689508] [2024-10-13 13:21:57,402 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 13:21:57,403 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 13:21:57,403 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:21:57,404 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 13:21:57,404 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 13:21:57,405 INFO L87 Difference]: Start difference. First operand 375 states and 398 transitions. Second operand has 3 states, 2 states have (on average 31.0) internal successors, (62), 3 states have internal predecessors, (62), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-10-13 13:21:57,835 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:21:57,835 INFO L93 Difference]: Finished difference Result 375 states and 398 transitions. [2024-10-13 13:21:57,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 13:21:57,835 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 31.0) internal successors, (62), 3 states have internal predecessors, (62), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 84 [2024-10-13 13:21:57,836 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:21:57,837 INFO L225 Difference]: With dead ends: 375 [2024-10-13 13:21:57,838 INFO L226 Difference]: Without dead ends: 368 [2024-10-13 13:21:57,838 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 13:21:57,839 INFO L432 NwaCegarLoop]: 143 mSDtfsCounter, 141 mSDsluCounter, 13 mSDsCounter, 0 mSdLazyCounter, 222 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 146 SdHoareTripleChecker+Valid, 156 SdHoareTripleChecker+Invalid, 229 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 222 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-13 13:21:57,840 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [146 Valid, 156 Invalid, 229 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 222 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-13 13:21:57,840 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 368 states. [2024-10-13 13:21:57,847 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 368 to 368. [2024-10-13 13:21:57,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 368 states, 224 states have (on average 1.59375) internal successors, (357), 349 states have internal predecessors, (357), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-10-13 13:21:57,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 368 states to 368 states and 391 transitions. [2024-10-13 13:21:57,850 INFO L78 Accepts]: Start accepts. Automaton has 368 states and 391 transitions. Word has length 84 [2024-10-13 13:21:57,850 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:21:57,850 INFO L471 AbstractCegarLoop]: Abstraction has 368 states and 391 transitions. [2024-10-13 13:21:57,850 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 31.0) internal successors, (62), 3 states have internal predecessors, (62), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-10-13 13:21:57,851 INFO L276 IsEmpty]: Start isEmpty. Operand 368 states and 391 transitions. [2024-10-13 13:21:57,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2024-10-13 13:21:57,852 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:21:57,852 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:21:57,852 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-10-13 13:21:57,852 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr55ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2024-10-13 13:21:57,853 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:21:57,853 INFO L85 PathProgramCache]: Analyzing trace with hash -1350728446, now seen corresponding path program 1 times [2024-10-13 13:21:57,853 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:21:57,853 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [503751175] [2024-10-13 13:21:57,853 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:21:57,853 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:21:57,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:21:57,901 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-13 13:21:57,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:21:57,904 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 13:21:57,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:21:57,907 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-13 13:21:57,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:21:57,910 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-10-13 13:21:57,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:21:57,913 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-13 13:21:57,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:21:57,916 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-10-13 13:21:57,917 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:21:57,917 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [503751175] [2024-10-13 13:21:57,917 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [503751175] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 13:21:57,917 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 13:21:57,917 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 13:21:57,917 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1660294640] [2024-10-13 13:21:57,917 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 13:21:57,918 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 13:21:57,918 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:21:57,918 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 13:21:57,919 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 13:21:57,919 INFO L87 Difference]: Start difference. First operand 368 states and 391 transitions. Second operand has 3 states, 2 states have (on average 31.5) internal successors, (63), 3 states have internal predecessors, (63), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-10-13 13:21:58,375 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:21:58,376 INFO L93 Difference]: Finished difference Result 375 states and 394 transitions. [2024-10-13 13:21:58,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 13:21:58,376 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 31.5) internal successors, (63), 3 states have internal predecessors, (63), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 85 [2024-10-13 13:21:58,377 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:21:58,378 INFO L225 Difference]: With dead ends: 375 [2024-10-13 13:21:58,378 INFO L226 Difference]: Without dead ends: 374 [2024-10-13 13:21:58,378 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 13:21:58,379 INFO L432 NwaCegarLoop]: 281 mSDtfsCounter, 24 mSDsluCounter, 144 mSDsCounter, 0 mSdLazyCounter, 189 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 425 SdHoareTripleChecker+Invalid, 189 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 189 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-13 13:21:58,379 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 425 Invalid, 189 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 189 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-13 13:21:58,380 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 374 states. [2024-10-13 13:21:58,387 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 374 to 370. [2024-10-13 13:21:58,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 370 states, 226 states have (on average 1.5884955752212389) internal successors, (359), 351 states have internal predecessors, (359), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-10-13 13:21:58,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 370 states to 370 states and 393 transitions. [2024-10-13 13:21:58,390 INFO L78 Accepts]: Start accepts. Automaton has 370 states and 393 transitions. Word has length 85 [2024-10-13 13:21:58,390 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:21:58,390 INFO L471 AbstractCegarLoop]: Abstraction has 370 states and 393 transitions. [2024-10-13 13:21:58,390 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 31.5) internal successors, (63), 3 states have internal predecessors, (63), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-10-13 13:21:58,391 INFO L276 IsEmpty]: Start isEmpty. Operand 370 states and 393 transitions. [2024-10-13 13:21:58,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2024-10-13 13:21:58,392 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:21:58,392 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:21:58,392 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-10-13 13:21:58,392 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr60ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2024-10-13 13:21:58,392 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:21:58,393 INFO L85 PathProgramCache]: Analyzing trace with hash -760428695, now seen corresponding path program 1 times [2024-10-13 13:21:58,393 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:21:58,393 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [965667705] [2024-10-13 13:21:58,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:21:58,393 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:21:58,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:21:58,476 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-13 13:21:58,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:21:58,480 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 13:21:58,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:21:58,483 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-13 13:21:58,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:21:58,485 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-10-13 13:21:58,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:21:58,492 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-13 13:21:58,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:21:58,495 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-10-13 13:21:58,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:21:58,498 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-10-13 13:21:58,499 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:21:58,499 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [965667705] [2024-10-13 13:21:58,499 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [965667705] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 13:21:58,499 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 13:21:58,499 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 13:21:58,499 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [801057101] [2024-10-13 13:21:58,499 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 13:21:58,500 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 13:21:58,500 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:21:58,501 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 13:21:58,501 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 13:21:58,501 INFO L87 Difference]: Start difference. First operand 370 states and 393 transitions. Second operand has 3 states, 2 states have (on average 30.0) internal successors, (60), 3 states have internal predecessors, (60), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2024-10-13 13:21:58,761 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:21:58,761 INFO L93 Difference]: Finished difference Result 370 states and 393 transitions. [2024-10-13 13:21:58,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 13:21:58,762 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 30.0) internal successors, (60), 3 states have internal predecessors, (60), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) Word has length 87 [2024-10-13 13:21:58,762 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:21:58,763 INFO L225 Difference]: With dead ends: 370 [2024-10-13 13:21:58,763 INFO L226 Difference]: Without dead ends: 368 [2024-10-13 13:21:58,764 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 13:21:58,764 INFO L432 NwaCegarLoop]: 251 mSDtfsCounter, 195 mSDsluCounter, 13 mSDsCounter, 0 mSdLazyCounter, 59 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 199 SdHoareTripleChecker+Valid, 264 SdHoareTripleChecker+Invalid, 60 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 59 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-13 13:21:58,764 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [199 Valid, 264 Invalid, 60 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 59 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-13 13:21:58,765 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 368 states. [2024-10-13 13:21:58,773 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 368 to 368. [2024-10-13 13:21:58,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 368 states, 226 states have (on average 1.5707964601769913) internal successors, (355), 349 states have internal predecessors, (355), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-10-13 13:21:58,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 368 states to 368 states and 389 transitions. [2024-10-13 13:21:58,776 INFO L78 Accepts]: Start accepts. Automaton has 368 states and 389 transitions. Word has length 87 [2024-10-13 13:21:58,776 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:21:58,777 INFO L471 AbstractCegarLoop]: Abstraction has 368 states and 389 transitions. [2024-10-13 13:21:58,777 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 30.0) internal successors, (60), 3 states have internal predecessors, (60), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2024-10-13 13:21:58,777 INFO L276 IsEmpty]: Start isEmpty. Operand 368 states and 389 transitions. [2024-10-13 13:21:58,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2024-10-13 13:21:58,778 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:21:58,779 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:21:58,779 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-10-13 13:21:58,779 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr61ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2024-10-13 13:21:58,780 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:21:58,780 INFO L85 PathProgramCache]: Analyzing trace with hash -2098452885, now seen corresponding path program 1 times [2024-10-13 13:21:58,780 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:21:58,780 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [452516412] [2024-10-13 13:21:58,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:21:58,780 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:21:58,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:21:58,872 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-13 13:21:58,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:21:58,878 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 13:21:58,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:21:58,882 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-13 13:21:58,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:21:58,886 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-10-13 13:21:58,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:21:58,889 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-13 13:21:58,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:21:58,893 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-10-13 13:21:58,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:21:58,896 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-10-13 13:21:58,897 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:21:58,897 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [452516412] [2024-10-13 13:21:58,897 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [452516412] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 13:21:58,897 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 13:21:58,897 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-13 13:21:58,898 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [754747877] [2024-10-13 13:21:58,898 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 13:21:58,898 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-13 13:21:58,898 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:21:58,899 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-13 13:21:58,899 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-13 13:21:58,899 INFO L87 Difference]: Start difference. First operand 368 states and 389 transitions. Second operand has 5 states, 4 states have (on average 15.25) internal successors, (61), 5 states have internal predecessors, (61), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-10-13 13:21:59,127 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:21:59,127 INFO L93 Difference]: Finished difference Result 372 states and 389 transitions. [2024-10-13 13:21:59,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-13 13:21:59,128 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 15.25) internal successors, (61), 5 states have internal predecessors, (61), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 88 [2024-10-13 13:21:59,128 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:21:59,130 INFO L225 Difference]: With dead ends: 372 [2024-10-13 13:21:59,130 INFO L226 Difference]: Without dead ends: 368 [2024-10-13 13:21:59,131 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-13 13:21:59,131 INFO L432 NwaCegarLoop]: 258 mSDtfsCounter, 34 mSDsluCounter, 508 mSDsCounter, 0 mSdLazyCounter, 177 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 766 SdHoareTripleChecker+Invalid, 180 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 177 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-13 13:21:59,131 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 766 Invalid, 180 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 177 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-13 13:21:59,133 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 368 states. [2024-10-13 13:21:59,140 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 368 to 366. [2024-10-13 13:21:59,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 366 states, 224 states have (on average 1.5669642857142858) internal successors, (351), 347 states have internal predecessors, (351), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-10-13 13:21:59,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 366 states to 366 states and 385 transitions. [2024-10-13 13:21:59,142 INFO L78 Accepts]: Start accepts. Automaton has 366 states and 385 transitions. Word has length 88 [2024-10-13 13:21:59,142 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:21:59,142 INFO L471 AbstractCegarLoop]: Abstraction has 366 states and 385 transitions. [2024-10-13 13:21:59,142 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 15.25) internal successors, (61), 5 states have internal predecessors, (61), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-10-13 13:21:59,142 INFO L276 IsEmpty]: Start isEmpty. Operand 366 states and 385 transitions. [2024-10-13 13:21:59,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2024-10-13 13:21:59,143 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:21:59,143 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:21:59,143 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-10-13 13:21:59,144 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2024-10-13 13:21:59,145 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:21:59,145 INFO L85 PathProgramCache]: Analyzing trace with hash -969912028, now seen corresponding path program 1 times [2024-10-13 13:21:59,145 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:21:59,145 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [360044562] [2024-10-13 13:21:59,145 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:21:59,145 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:21:59,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:21:59,249 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-13 13:21:59,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:21:59,252 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 13:21:59,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:21:59,254 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-13 13:21:59,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:21:59,258 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-10-13 13:21:59,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:21:59,263 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-13 13:21:59,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:21:59,266 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-10-13 13:21:59,266 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:21:59,266 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [360044562] [2024-10-13 13:21:59,267 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [360044562] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 13:21:59,267 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [819448905] [2024-10-13 13:21:59,267 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:21:59,267 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:21:59,267 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:21:59,269 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 13:21:59,270 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-10-13 13:21:59,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:21:59,321 INFO L255 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-13 13:21:59,324 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:21:59,460 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-10-13 13:21:59,461 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-13 13:21:59,461 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [819448905] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 13:21:59,461 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-13 13:21:59,461 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6] total 9 [2024-10-13 13:21:59,461 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1653218267] [2024-10-13 13:21:59,462 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 13:21:59,462 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-13 13:21:59,462 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:21:59,463 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-13 13:21:59,463 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2024-10-13 13:21:59,463 INFO L87 Difference]: Start difference. First operand 366 states and 385 transitions. Second operand has 5 states, 4 states have (on average 16.25) internal successors, (65), 5 states have internal predecessors, (65), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-10-13 13:21:59,497 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:21:59,498 INFO L93 Difference]: Finished difference Result 366 states and 385 transitions. [2024-10-13 13:21:59,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-13 13:21:59,498 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 16.25) internal successors, (65), 5 states have internal predecessors, (65), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 87 [2024-10-13 13:21:59,499 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:21:59,500 INFO L225 Difference]: With dead ends: 366 [2024-10-13 13:21:59,500 INFO L226 Difference]: Without dead ends: 365 [2024-10-13 13:21:59,500 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2024-10-13 13:21:59,501 INFO L432 NwaCegarLoop]: 284 mSDtfsCounter, 222 mSDsluCounter, 568 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 222 SdHoareTripleChecker+Valid, 852 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-13 13:21:59,501 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [222 Valid, 852 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-13 13:21:59,502 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 365 states. [2024-10-13 13:21:59,509 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 365 to 365. [2024-10-13 13:21:59,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 365 states, 224 states have (on average 1.5625) internal successors, (350), 346 states have internal predecessors, (350), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-10-13 13:21:59,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 365 states to 365 states and 384 transitions. [2024-10-13 13:21:59,523 INFO L78 Accepts]: Start accepts. Automaton has 365 states and 384 transitions. Word has length 87 [2024-10-13 13:21:59,523 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:21:59,523 INFO L471 AbstractCegarLoop]: Abstraction has 365 states and 384 transitions. [2024-10-13 13:21:59,524 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 16.25) internal successors, (65), 5 states have internal predecessors, (65), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-10-13 13:21:59,524 INFO L276 IsEmpty]: Start isEmpty. Operand 365 states and 384 transitions. [2024-10-13 13:21:59,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2024-10-13 13:21:59,524 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:21:59,525 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:21:59,542 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-10-13 13:21:59,725 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:21:59,725 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2024-10-13 13:21:59,726 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:21:59,726 INFO L85 PathProgramCache]: Analyzing trace with hash -2501755, now seen corresponding path program 1 times [2024-10-13 13:21:59,726 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:21:59,726 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [883788999] [2024-10-13 13:21:59,726 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:21:59,726 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:21:59,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:21:59,816 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-13 13:21:59,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:21:59,820 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 13:21:59,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:21:59,823 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-13 13:21:59,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:21:59,825 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-10-13 13:21:59,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:21:59,828 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-13 13:21:59,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:21:59,831 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-10-13 13:21:59,831 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:21:59,831 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [883788999] [2024-10-13 13:21:59,831 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [883788999] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 13:21:59,831 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1776536676] [2024-10-13 13:21:59,832 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:21:59,832 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:21:59,832 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:21:59,833 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 13:21:59,836 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-10-13 13:21:59,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:21:59,893 INFO L255 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-13 13:21:59,895 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:22:00,024 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-10-13 13:22:00,025 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-13 13:22:00,025 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1776536676] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 13:22:00,025 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-13 13:22:00,025 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6] total 9 [2024-10-13 13:22:00,025 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [995046815] [2024-10-13 13:22:00,025 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 13:22:00,026 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-13 13:22:00,026 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:22:00,026 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-13 13:22:00,026 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2024-10-13 13:22:00,027 INFO L87 Difference]: Start difference. First operand 365 states and 384 transitions. Second operand has 5 states, 4 states have (on average 16.5) internal successors, (66), 5 states have internal predecessors, (66), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-10-13 13:22:00,128 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:22:00,128 INFO L93 Difference]: Finished difference Result 534 states and 556 transitions. [2024-10-13 13:22:00,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-13 13:22:00,129 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 16.5) internal successors, (66), 5 states have internal predecessors, (66), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 88 [2024-10-13 13:22:00,129 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:22:00,131 INFO L225 Difference]: With dead ends: 534 [2024-10-13 13:22:00,132 INFO L226 Difference]: Without dead ends: 533 [2024-10-13 13:22:00,133 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2024-10-13 13:22:00,134 INFO L432 NwaCegarLoop]: 448 mSDtfsCounter, 220 mSDsluCounter, 1048 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 220 SdHoareTripleChecker+Valid, 1496 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-13 13:22:00,134 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [220 Valid, 1496 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-13 13:22:00,135 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 533 states. [2024-10-13 13:22:00,147 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 533 to 441. [2024-10-13 13:22:00,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 441 states, 295 states have (on average 1.6305084745762712) internal successors, (481), 417 states have internal predecessors, (481), 22 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 21 states have call predecessors, (22), 22 states have call successors, (22) [2024-10-13 13:22:00,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 441 states to 441 states and 525 transitions. [2024-10-13 13:22:00,149 INFO L78 Accepts]: Start accepts. Automaton has 441 states and 525 transitions. Word has length 88 [2024-10-13 13:22:00,149 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:22:00,150 INFO L471 AbstractCegarLoop]: Abstraction has 441 states and 525 transitions. [2024-10-13 13:22:00,150 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 16.5) internal successors, (66), 5 states have internal predecessors, (66), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-10-13 13:22:00,150 INFO L276 IsEmpty]: Start isEmpty. Operand 441 states and 525 transitions. [2024-10-13 13:22:00,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2024-10-13 13:22:00,151 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:22:00,151 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:22:00,168 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-10-13 13:22:00,351 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2024-10-13 13:22:00,351 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2024-10-13 13:22:00,352 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:22:00,352 INFO L85 PathProgramCache]: Analyzing trace with hash 1890782215, now seen corresponding path program 1 times [2024-10-13 13:22:00,352 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:22:00,352 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1992403532] [2024-10-13 13:22:00,352 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:22:00,352 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:22:00,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:22:00,409 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-13 13:22:00,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:22:00,412 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 13:22:00,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:22:00,414 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-13 13:22:00,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:22:00,416 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-10-13 13:22:00,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:22:00,419 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-13 13:22:00,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:22:00,421 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-10-13 13:22:00,421 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:22:00,422 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1992403532] [2024-10-13 13:22:00,422 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1992403532] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 13:22:00,422 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1345044337] [2024-10-13 13:22:00,422 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:22:00,422 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:22:00,422 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:22:00,425 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 13:22:00,427 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-10-13 13:22:00,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:22:00,479 INFO L255 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-13 13:22:00,480 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:22:00,585 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-10-13 13:22:00,585 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-13 13:22:00,586 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1345044337] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 13:22:00,586 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-13 13:22:00,586 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2024-10-13 13:22:00,586 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1146529579] [2024-10-13 13:22:00,586 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 13:22:00,587 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-13 13:22:00,587 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:22:00,587 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-13 13:22:00,587 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-13 13:22:00,588 INFO L87 Difference]: Start difference. First operand 441 states and 525 transitions. Second operand has 4 states, 3 states have (on average 22.666666666666668) internal successors, (68), 4 states have internal predecessors, (68), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-10-13 13:22:00,724 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:22:00,724 INFO L93 Difference]: Finished difference Result 443 states and 525 transitions. [2024-10-13 13:22:00,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-13 13:22:00,725 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 22.666666666666668) internal successors, (68), 4 states have internal predecessors, (68), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 90 [2024-10-13 13:22:00,725 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:22:00,729 INFO L225 Difference]: With dead ends: 443 [2024-10-13 13:22:00,729 INFO L226 Difference]: Without dead ends: 435 [2024-10-13 13:22:00,730 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 98 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-13 13:22:00,730 INFO L432 NwaCegarLoop]: 286 mSDtfsCounter, 437 mSDsluCounter, 66 mSDsCounter, 0 mSdLazyCounter, 110 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 449 SdHoareTripleChecker+Valid, 352 SdHoareTripleChecker+Invalid, 122 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 110 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-13 13:22:00,731 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [449 Valid, 352 Invalid, 122 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 110 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-13 13:22:00,732 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 435 states. [2024-10-13 13:22:00,743 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 435 to 433. [2024-10-13 13:22:00,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 433 states, 295 states have (on average 1.5966101694915253) internal successors, (471), 409 states have internal predecessors, (471), 22 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 21 states have call predecessors, (22), 22 states have call successors, (22) [2024-10-13 13:22:00,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 433 states to 433 states and 515 transitions. [2024-10-13 13:22:00,745 INFO L78 Accepts]: Start accepts. Automaton has 433 states and 515 transitions. Word has length 90 [2024-10-13 13:22:00,746 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:22:00,746 INFO L471 AbstractCegarLoop]: Abstraction has 433 states and 515 transitions. [2024-10-13 13:22:00,746 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 22.666666666666668) internal successors, (68), 4 states have internal predecessors, (68), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-10-13 13:22:00,746 INFO L276 IsEmpty]: Start isEmpty. Operand 433 states and 515 transitions. [2024-10-13 13:22:00,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2024-10-13 13:22:00,746 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:22:00,747 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:22:00,764 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-10-13 13:22:00,947 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,SelfDestructingSolverStorable15 [2024-10-13 13:22:00,947 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2024-10-13 13:22:00,948 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:22:00,948 INFO L85 PathProgramCache]: Analyzing trace with hash -1515293429, now seen corresponding path program 1 times [2024-10-13 13:22:00,948 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:22:00,948 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1175653942] [2024-10-13 13:22:00,948 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:22:00,948 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:22:00,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:22:01,007 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-13 13:22:01,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:22:01,011 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 13:22:01,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:22:01,014 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-13 13:22:01,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:22:01,017 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-10-13 13:22:01,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:22:01,019 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-13 13:22:01,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:22:01,022 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-10-13 13:22:01,023 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:22:01,023 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1175653942] [2024-10-13 13:22:01,023 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1175653942] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 13:22:01,023 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [5333182] [2024-10-13 13:22:01,023 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:22:01,023 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:22:01,024 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:22:01,025 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 13:22:01,027 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-10-13 13:22:01,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:22:01,078 INFO L255 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-13 13:22:01,080 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:22:01,166 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-10-13 13:22:01,166 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 13:22:01,280 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-10-13 13:22:01,281 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [5333182] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-13 13:22:01,281 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-13 13:22:01,281 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2024-10-13 13:22:01,281 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [787227185] [2024-10-13 13:22:01,281 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-13 13:22:01,282 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-13 13:22:01,282 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:22:01,283 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-13 13:22:01,283 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-10-13 13:22:01,283 INFO L87 Difference]: Start difference. First operand 433 states and 515 transitions. Second operand has 7 states, 6 states have (on average 31.5) internal successors, (189), 7 states have internal predecessors, (189), 3 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2024-10-13 13:22:01,554 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:22:01,555 INFO L93 Difference]: Finished difference Result 778 states and 947 transitions. [2024-10-13 13:22:01,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-13 13:22:01,555 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 31.5) internal successors, (189), 7 states have internal predecessors, (189), 3 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) Word has length 91 [2024-10-13 13:22:01,556 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:22:01,558 INFO L225 Difference]: With dead ends: 778 [2024-10-13 13:22:01,558 INFO L226 Difference]: Without dead ends: 770 [2024-10-13 13:22:01,559 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 192 GetRequests, 187 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-10-13 13:22:01,559 INFO L432 NwaCegarLoop]: 261 mSDtfsCounter, 824 mSDsluCounter, 718 mSDsCounter, 0 mSdLazyCounter, 170 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 841 SdHoareTripleChecker+Valid, 979 SdHoareTripleChecker+Invalid, 197 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 170 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-13 13:22:01,560 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [841 Valid, 979 Invalid, 197 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 170 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-13 13:22:01,561 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 770 states. [2024-10-13 13:22:01,574 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 770 to 504. [2024-10-13 13:22:01,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 504 states, 366 states have (on average 1.5628415300546448) internal successors, (572), 475 states have internal predecessors, (572), 27 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (27), 26 states have call predecessors, (27), 27 states have call successors, (27) [2024-10-13 13:22:01,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 504 states to 504 states and 626 transitions. [2024-10-13 13:22:01,577 INFO L78 Accepts]: Start accepts. Automaton has 504 states and 626 transitions. Word has length 91 [2024-10-13 13:22:01,577 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:22:01,577 INFO L471 AbstractCegarLoop]: Abstraction has 504 states and 626 transitions. [2024-10-13 13:22:01,578 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 31.5) internal successors, (189), 7 states have internal predecessors, (189), 3 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2024-10-13 13:22:01,578 INFO L276 IsEmpty]: Start isEmpty. Operand 504 states and 626 transitions. [2024-10-13 13:22:01,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-10-13 13:22:01,579 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:22:01,579 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:22:01,596 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-10-13 13:22:01,779 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-10-13 13:22:01,780 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr61ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2024-10-13 13:22:01,782 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:22:01,783 INFO L85 PathProgramCache]: Analyzing trace with hash 1478079932, now seen corresponding path program 1 times [2024-10-13 13:22:01,784 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:22:01,784 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1838535307] [2024-10-13 13:22:01,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:22:01,784 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:22:01,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:22:01,898 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-13 13:22:01,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:22:01,901 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 13:22:01,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:22:01,903 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-13 13:22:01,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:22:01,905 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-10-13 13:22:01,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:22:01,908 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-13 13:22:01,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:22:01,910 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-10-13 13:22:01,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:22:01,912 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-10-13 13:22:01,912 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:22:01,912 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1838535307] [2024-10-13 13:22:01,912 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1838535307] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 13:22:01,912 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [363818422] [2024-10-13 13:22:01,912 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:22:01,912 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:22:01,913 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:22:01,914 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 13:22:01,916 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-10-13 13:22:01,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:22:01,968 INFO L255 TraceCheckSpWp]: Trace formula consists of 170 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-13 13:22:01,970 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:22:02,079 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-10-13 13:22:02,080 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 13:22:02,200 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-10-13 13:22:02,201 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [363818422] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-13 13:22:02,201 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-13 13:22:02,201 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5, 6] total 13 [2024-10-13 13:22:02,201 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1216153045] [2024-10-13 13:22:02,201 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-13 13:22:02,202 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-10-13 13:22:02,203 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:22:02,203 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-10-13 13:22:02,204 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=105, Unknown=0, NotChecked=0, Total=156 [2024-10-13 13:22:02,204 INFO L87 Difference]: Start difference. First operand 504 states and 626 transitions. Second operand has 13 states, 13 states have (on average 11.384615384615385) internal successors, (148), 13 states have internal predecessors, (148), 3 states have call successors, (17), 3 states have call predecessors, (17), 3 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) [2024-10-13 13:22:02,491 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:22:02,491 INFO L93 Difference]: Finished difference Result 1135 states and 1236 transitions. [2024-10-13 13:22:02,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-13 13:22:02,492 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 11.384615384615385) internal successors, (148), 13 states have internal predecessors, (148), 3 states have call successors, (17), 3 states have call predecessors, (17), 3 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) Word has length 100 [2024-10-13 13:22:02,492 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:22:02,496 INFO L225 Difference]: With dead ends: 1135 [2024-10-13 13:22:02,496 INFO L226 Difference]: Without dead ends: 965 [2024-10-13 13:22:02,498 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 222 GetRequests, 205 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 75 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=114, Invalid=228, Unknown=0, NotChecked=0, Total=342 [2024-10-13 13:22:02,499 INFO L432 NwaCegarLoop]: 272 mSDtfsCounter, 735 mSDsluCounter, 1391 mSDsCounter, 0 mSdLazyCounter, 95 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 735 SdHoareTripleChecker+Valid, 1663 SdHoareTripleChecker+Invalid, 116 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 95 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-13 13:22:02,499 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [735 Valid, 1663 Invalid, 116 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 95 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-13 13:22:02,500 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 965 states. [2024-10-13 13:22:02,521 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 965 to 718. [2024-10-13 13:22:02,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 718 states, 562 states have (on average 1.6298932384341638) internal successors, (916), 673 states have internal predecessors, (916), 42 states have call successors, (42), 5 states have call predecessors, (42), 5 states have return successors, (42), 39 states have call predecessors, (42), 42 states have call successors, (42) [2024-10-13 13:22:02,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 718 states to 718 states and 1000 transitions. [2024-10-13 13:22:02,524 INFO L78 Accepts]: Start accepts. Automaton has 718 states and 1000 transitions. Word has length 100 [2024-10-13 13:22:02,525 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:22:02,525 INFO L471 AbstractCegarLoop]: Abstraction has 718 states and 1000 transitions. [2024-10-13 13:22:02,525 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 11.384615384615385) internal successors, (148), 13 states have internal predecessors, (148), 3 states have call successors, (17), 3 states have call predecessors, (17), 3 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) [2024-10-13 13:22:02,525 INFO L276 IsEmpty]: Start isEmpty. Operand 718 states and 1000 transitions. [2024-10-13 13:22:02,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2024-10-13 13:22:02,526 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:22:02,526 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:22:02,543 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-10-13 13:22:02,727 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:22:02,727 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2024-10-13 13:22:02,727 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:22:02,728 INFO L85 PathProgramCache]: Analyzing trace with hash 2065209256, now seen corresponding path program 1 times [2024-10-13 13:22:02,728 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:22:02,728 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [94055214] [2024-10-13 13:22:02,728 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:22:02,728 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:22:02,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-13 13:22:02,766 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2114302289] [2024-10-13 13:22:02,766 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:22:02,766 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:22:02,767 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:22:02,770 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 13:22:02,771 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-10-13 13:22:02,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:22:02,832 INFO L255 TraceCheckSpWp]: Trace formula consists of 172 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-13 13:22:02,834 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:22:02,937 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-10-13 13:22:02,937 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 13:22:03,131 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-10-13 13:22:03,132 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:22:03,132 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [94055214] [2024-10-13 13:22:03,132 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-13 13:22:03,132 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2114302289] [2024-10-13 13:22:03,132 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2114302289] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-13 13:22:03,132 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-10-13 13:22:03,132 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 5 [2024-10-13 13:22:03,133 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [689258614] [2024-10-13 13:22:03,133 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-10-13 13:22:03,134 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-13 13:22:03,134 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:22:03,134 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-13 13:22:03,135 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-10-13 13:22:03,135 INFO L87 Difference]: Start difference. First operand 718 states and 1000 transitions. Second operand has 6 states, 5 states have (on average 29.4) internal successors, (147), 6 states have internal predecessors, (147), 4 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 4 states have call predecessors, (12), 4 states have call successors, (12) [2024-10-13 13:22:03,417 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:22:03,417 INFO L93 Difference]: Finished difference Result 927 states and 1060 transitions. [2024-10-13 13:22:03,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-13 13:22:03,418 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 29.4) internal successors, (147), 6 states have internal predecessors, (147), 4 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 4 states have call predecessors, (12), 4 states have call successors, (12) Word has length 102 [2024-10-13 13:22:03,418 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:22:03,421 INFO L225 Difference]: With dead ends: 927 [2024-10-13 13:22:03,422 INFO L226 Difference]: Without dead ends: 921 [2024-10-13 13:22:03,422 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 203 GetRequests, 198 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=23, Unknown=0, NotChecked=0, Total=42 [2024-10-13 13:22:03,422 INFO L432 NwaCegarLoop]: 304 mSDtfsCounter, 827 mSDsluCounter, 687 mSDsCounter, 0 mSdLazyCounter, 159 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 843 SdHoareTripleChecker+Valid, 991 SdHoareTripleChecker+Invalid, 183 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 159 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-13 13:22:03,423 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [843 Valid, 991 Invalid, 183 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 159 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-13 13:22:03,424 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 921 states. [2024-10-13 13:22:03,445 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 921 to 713. [2024-10-13 13:22:03,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 713 states, 562 states have (on average 1.606761565836299) internal successors, (903), 668 states have internal predecessors, (903), 42 states have call successors, (42), 5 states have call predecessors, (42), 5 states have return successors, (42), 39 states have call predecessors, (42), 42 states have call successors, (42) [2024-10-13 13:22:03,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 713 states to 713 states and 987 transitions. [2024-10-13 13:22:03,449 INFO L78 Accepts]: Start accepts. Automaton has 713 states and 987 transitions. Word has length 102 [2024-10-13 13:22:03,449 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:22:03,450 INFO L471 AbstractCegarLoop]: Abstraction has 713 states and 987 transitions. [2024-10-13 13:22:03,450 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 29.4) internal successors, (147), 6 states have internal predecessors, (147), 4 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 4 states have call predecessors, (12), 4 states have call successors, (12) [2024-10-13 13:22:03,450 INFO L276 IsEmpty]: Start isEmpty. Operand 713 states and 987 transitions. [2024-10-13 13:22:03,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-10-13 13:22:03,451 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:22:03,451 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:22:03,467 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-10-13 13:22:03,655 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:22:03,656 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr72ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2024-10-13 13:22:03,656 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:22:03,656 INFO L85 PathProgramCache]: Analyzing trace with hash -1943308681, now seen corresponding path program 1 times [2024-10-13 13:22:03,656 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:22:03,656 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [596114195] [2024-10-13 13:22:03,657 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:22:03,657 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:22:03,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-13 13:22:03,673 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1507598128] [2024-10-13 13:22:03,673 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:22:03,673 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:22:03,673 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:22:03,675 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 13:22:03,677 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-10-13 13:22:03,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:22:03,729 INFO L255 TraceCheckSpWp]: Trace formula consists of 167 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-13 13:22:03,731 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:22:03,851 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-10-13 13:22:03,851 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-13 13:22:03,851 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:22:03,851 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [596114195] [2024-10-13 13:22:03,852 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-13 13:22:03,852 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1507598128] [2024-10-13 13:22:03,852 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1507598128] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 13:22:03,852 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 13:22:03,852 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-13 13:22:03,852 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1146900204] [2024-10-13 13:22:03,852 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 13:22:03,853 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-13 13:22:03,853 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:22:03,853 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-13 13:22:03,854 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-13 13:22:03,854 INFO L87 Difference]: Start difference. First operand 713 states and 987 transitions. Second operand has 4 states, 3 states have (on average 24.0) internal successors, (72), 4 states have internal predecessors, (72), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-10-13 13:22:04,334 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:22:04,335 INFO L93 Difference]: Finished difference Result 714 states and 987 transitions. [2024-10-13 13:22:04,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 13:22:04,335 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 24.0) internal successors, (72), 4 states have internal predecessors, (72), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 104 [2024-10-13 13:22:04,335 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:22:04,340 INFO L225 Difference]: With dead ends: 714 [2024-10-13 13:22:04,340 INFO L226 Difference]: Without dead ends: 713 [2024-10-13 13:22:04,341 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-13 13:22:04,342 INFO L432 NwaCegarLoop]: 231 mSDtfsCounter, 64 mSDsluCounter, 230 mSDsCounter, 0 mSdLazyCounter, 353 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 70 SdHoareTripleChecker+Valid, 461 SdHoareTripleChecker+Invalid, 354 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 353 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-13 13:22:04,342 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [70 Valid, 461 Invalid, 354 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 353 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-13 13:22:04,346 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 713 states. [2024-10-13 13:22:04,367 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 713 to 713. [2024-10-13 13:22:04,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 713 states, 562 states have (on average 1.604982206405694) internal successors, (902), 668 states have internal predecessors, (902), 42 states have call successors, (42), 5 states have call predecessors, (42), 5 states have return successors, (42), 39 states have call predecessors, (42), 42 states have call successors, (42) [2024-10-13 13:22:04,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 713 states to 713 states and 986 transitions. [2024-10-13 13:22:04,373 INFO L78 Accepts]: Start accepts. Automaton has 713 states and 986 transitions. Word has length 104 [2024-10-13 13:22:04,373 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:22:04,373 INFO L471 AbstractCegarLoop]: Abstraction has 713 states and 986 transitions. [2024-10-13 13:22:04,374 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 24.0) internal successors, (72), 4 states have internal predecessors, (72), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-10-13 13:22:04,374 INFO L276 IsEmpty]: Start isEmpty. Operand 713 states and 986 transitions. [2024-10-13 13:22:04,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2024-10-13 13:22:04,375 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:22:04,375 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:22:04,392 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-10-13 13:22:04,578 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 [2024-10-13 13:22:04,579 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr73ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2024-10-13 13:22:04,579 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:22:04,579 INFO L85 PathProgramCache]: Analyzing trace with hash -113026762, now seen corresponding path program 1 times [2024-10-13 13:22:04,579 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:22:04,579 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1315442690] [2024-10-13 13:22:04,579 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:22:04,579 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:22:04,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-13 13:22:04,598 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [533323231] [2024-10-13 13:22:04,598 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:22:04,598 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:22:04,599 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:22:04,600 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 13:22:04,602 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-10-13 13:22:04,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:22:04,656 INFO L255 TraceCheckSpWp]: Trace formula consists of 168 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-13 13:22:04,658 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:22:04,890 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-10-13 13:22:04,891 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-13 13:22:04,891 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:22:04,891 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1315442690] [2024-10-13 13:22:04,891 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-13 13:22:04,891 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [533323231] [2024-10-13 13:22:04,891 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [533323231] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 13:22:04,891 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 13:22:04,891 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-13 13:22:04,892 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1857869209] [2024-10-13 13:22:04,892 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 13:22:04,892 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-13 13:22:04,892 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:22:04,892 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-13 13:22:04,892 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-13 13:22:04,893 INFO L87 Difference]: Start difference. First operand 713 states and 986 transitions. Second operand has 4 states, 3 states have (on average 24.333333333333332) internal successors, (73), 4 states have internal predecessors, (73), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-10-13 13:22:05,534 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:22:05,535 INFO L93 Difference]: Finished difference Result 714 states and 986 transitions. [2024-10-13 13:22:05,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-13 13:22:05,536 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 24.333333333333332) internal successors, (73), 4 states have internal predecessors, (73), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 105 [2024-10-13 13:22:05,536 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:22:05,539 INFO L225 Difference]: With dead ends: 714 [2024-10-13 13:22:05,539 INFO L226 Difference]: Without dead ends: 693 [2024-10-13 13:22:05,540 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 102 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-13 13:22:05,541 INFO L432 NwaCegarLoop]: 212 mSDtfsCounter, 20 mSDsluCounter, 177 mSDsCounter, 0 mSdLazyCounter, 426 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 389 SdHoareTripleChecker+Invalid, 428 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 426 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-13 13:22:05,541 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 389 Invalid, 428 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 426 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-13 13:22:05,542 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 693 states. [2024-10-13 13:22:05,560 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 693 to 693. [2024-10-13 13:22:05,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 693 states, 544 states have (on average 1.6231617647058822) internal successors, (883), 650 states have internal predecessors, (883), 40 states have call successors, (40), 5 states have call predecessors, (40), 5 states have return successors, (40), 37 states have call predecessors, (40), 40 states have call successors, (40) [2024-10-13 13:22:05,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 693 states to 693 states and 963 transitions. [2024-10-13 13:22:05,564 INFO L78 Accepts]: Start accepts. Automaton has 693 states and 963 transitions. Word has length 105 [2024-10-13 13:22:05,564 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:22:05,565 INFO L471 AbstractCegarLoop]: Abstraction has 693 states and 963 transitions. [2024-10-13 13:22:05,565 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 24.333333333333332) internal successors, (73), 4 states have internal predecessors, (73), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-10-13 13:22:05,565 INFO L276 IsEmpty]: Start isEmpty. Operand 693 states and 963 transitions. [2024-10-13 13:22:05,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2024-10-13 13:22:05,566 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:22:05,566 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:22:05,583 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-10-13 13:22:05,766 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable20 [2024-10-13 13:22:05,767 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2024-10-13 13:22:05,767 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:22:05,767 INFO L85 PathProgramCache]: Analyzing trace with hash -560494871, now seen corresponding path program 1 times [2024-10-13 13:22:05,767 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:22:05,767 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1883821623] [2024-10-13 13:22:05,767 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:22:05,767 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:22:05,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-13 13:22:05,789 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [680415272] [2024-10-13 13:22:05,789 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:22:05,789 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:22:05,789 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:22:05,791 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 13:22:05,793 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-10-13 13:22:05,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:22:05,854 INFO L255 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-13 13:22:05,856 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:22:06,135 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-10-13 13:22:06,135 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-13 13:22:06,136 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:22:06,136 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1883821623] [2024-10-13 13:22:06,136 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-13 13:22:06,136 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [680415272] [2024-10-13 13:22:06,136 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [680415272] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 13:22:06,136 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 13:22:06,136 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-13 13:22:06,136 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [739319347] [2024-10-13 13:22:06,137 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 13:22:06,137 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-13 13:22:06,137 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:22:06,137 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-13 13:22:06,137 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-13 13:22:06,138 INFO L87 Difference]: Start difference. First operand 693 states and 963 transitions. Second operand has 5 states, 4 states have (on average 21.5) internal successors, (86), 5 states have internal predecessors, (86), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-10-13 13:22:07,079 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:22:07,080 INFO L93 Difference]: Finished difference Result 693 states and 963 transitions. [2024-10-13 13:22:07,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-13 13:22:07,082 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 21.5) internal successors, (86), 5 states have internal predecessors, (86), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 123 [2024-10-13 13:22:07,082 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:22:07,084 INFO L225 Difference]: With dead ends: 693 [2024-10-13 13:22:07,085 INFO L226 Difference]: Without dead ends: 683 [2024-10-13 13:22:07,085 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 123 GetRequests, 119 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2024-10-13 13:22:07,088 INFO L432 NwaCegarLoop]: 123 mSDtfsCounter, 237 mSDsluCounter, 135 mSDsCounter, 0 mSdLazyCounter, 464 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 244 SdHoareTripleChecker+Valid, 258 SdHoareTripleChecker+Invalid, 479 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 464 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-10-13 13:22:07,088 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [244 Valid, 258 Invalid, 479 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 464 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-10-13 13:22:07,089 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 683 states. [2024-10-13 13:22:07,111 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 683 to 683. [2024-10-13 13:22:07,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 683 states, 544 states have (on average 1.568014705882353) internal successors, (853), 640 states have internal predecessors, (853), 40 states have call successors, (40), 5 states have call predecessors, (40), 5 states have return successors, (40), 37 states have call predecessors, (40), 40 states have call successors, (40) [2024-10-13 13:22:07,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 683 states to 683 states and 933 transitions. [2024-10-13 13:22:07,114 INFO L78 Accepts]: Start accepts. Automaton has 683 states and 933 transitions. Word has length 123 [2024-10-13 13:22:07,115 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:22:07,115 INFO L471 AbstractCegarLoop]: Abstraction has 683 states and 933 transitions. [2024-10-13 13:22:07,115 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 21.5) internal successors, (86), 5 states have internal predecessors, (86), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-10-13 13:22:07,115 INFO L276 IsEmpty]: Start isEmpty. Operand 683 states and 933 transitions. [2024-10-13 13:22:07,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-10-13 13:22:07,116 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:22:07,116 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:22:07,134 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-10-13 13:22:07,317 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2024-10-13 13:22:07,317 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2024-10-13 13:22:07,317 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:22:07,318 INFO L85 PathProgramCache]: Analyzing trace with hash -195471728, now seen corresponding path program 1 times [2024-10-13 13:22:07,318 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:22:07,318 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [662569442] [2024-10-13 13:22:07,318 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:22:07,318 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:22:07,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-13 13:22:07,339 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [140191987] [2024-10-13 13:22:07,340 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:22:07,340 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:22:07,340 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:22:07,341 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 13:22:07,343 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-10-13 13:22:07,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:22:07,403 INFO L255 TraceCheckSpWp]: Trace formula consists of 202 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-10-13 13:22:07,405 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:22:07,711 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-10-13 13:22:07,712 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 13:22:12,630 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:22:12,630 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [662569442] [2024-10-13 13:22:12,630 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-13 13:22:12,631 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [140191987] [2024-10-13 13:22:12,631 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [140191987] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 13:22:12,631 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-13 13:22:12,631 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2024-10-13 13:22:12,631 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1642544301] [2024-10-13 13:22:12,631 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-13 13:22:12,631 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-13 13:22:12,631 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:22:12,632 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-13 13:22:12,632 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=31, Unknown=1, NotChecked=0, Total=56 [2024-10-13 13:22:12,632 INFO L87 Difference]: Start difference. First operand 683 states and 933 transitions. Second operand has 5 states, 4 states have (on average 21.75) internal successors, (87), 5 states have internal predecessors, (87), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-10-13 13:22:13,511 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:22:13,512 INFO L93 Difference]: Finished difference Result 736 states and 961 transitions. [2024-10-13 13:22:13,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-13 13:22:13,513 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 21.75) internal successors, (87), 5 states have internal predecessors, (87), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 124 [2024-10-13 13:22:13,514 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:22:13,516 INFO L225 Difference]: With dead ends: 736 [2024-10-13 13:22:13,516 INFO L226 Difference]: Without dead ends: 713 [2024-10-13 13:22:13,517 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 172 GetRequests, 166 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 4.1s TimeCoverageRelationStatistics Valid=24, Invalid=31, Unknown=1, NotChecked=0, Total=56 [2024-10-13 13:22:13,517 INFO L432 NwaCegarLoop]: 147 mSDtfsCounter, 131 mSDsluCounter, 275 mSDsCounter, 0 mSdLazyCounter, 769 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 138 SdHoareTripleChecker+Valid, 422 SdHoareTripleChecker+Invalid, 791 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 769 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-10-13 13:22:13,518 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [138 Valid, 422 Invalid, 791 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 769 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-10-13 13:22:13,519 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 713 states. [2024-10-13 13:22:13,538 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 713 to 695. [2024-10-13 13:22:13,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 695 states, 556 states have (on average 1.5305755395683454) internal successors, (851), 651 states have internal predecessors, (851), 40 states have call successors, (40), 5 states have call predecessors, (40), 5 states have return successors, (40), 38 states have call predecessors, (40), 40 states have call successors, (40) [2024-10-13 13:22:13,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 695 states to 695 states and 931 transitions. [2024-10-13 13:22:13,541 INFO L78 Accepts]: Start accepts. Automaton has 695 states and 931 transitions. Word has length 124 [2024-10-13 13:22:13,541 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:22:13,541 INFO L471 AbstractCegarLoop]: Abstraction has 695 states and 931 transitions. [2024-10-13 13:22:13,541 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 21.75) internal successors, (87), 5 states have internal predecessors, (87), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-10-13 13:22:13,542 INFO L276 IsEmpty]: Start isEmpty. Operand 695 states and 931 transitions. [2024-10-13 13:22:13,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2024-10-13 13:22:13,542 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:22:13,543 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:22:13,560 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2024-10-13 13:22:13,747 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable22 [2024-10-13 13:22:13,748 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2024-10-13 13:22:13,748 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:22:13,748 INFO L85 PathProgramCache]: Analyzing trace with hash -1764656181, now seen corresponding path program 1 times [2024-10-13 13:22:13,748 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:22:13,748 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1348522769] [2024-10-13 13:22:13,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:22:13,749 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:22:13,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:22:13,864 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-13 13:22:13,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:22:13,869 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 13:22:13,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:22:13,872 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-13 13:22:13,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:22:13,874 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-10-13 13:22:13,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:22:13,877 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-13 13:22:13,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:22:13,879 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-10-13 13:22:13,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:22:13,882 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-13 13:22:13,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:22:13,885 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-13 13:22:13,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:22:13,888 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-10-13 13:22:13,888 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:22:13,888 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1348522769] [2024-10-13 13:22:13,888 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1348522769] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 13:22:13,888 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [76859123] [2024-10-13 13:22:13,889 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:22:13,889 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:22:13,889 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:22:13,890 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 13:22:13,892 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-10-13 13:22:13,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:22:13,948 INFO L255 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-13 13:22:13,950 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:22:14,159 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-10-13 13:22:14,159 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 13:22:14,314 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-10-13 13:22:14,314 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [76859123] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-13 13:22:14,314 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-13 13:22:14,314 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 3, 3] total 7 [2024-10-13 13:22:14,314 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [279827438] [2024-10-13 13:22:14,314 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-13 13:22:14,315 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-13 13:22:14,315 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:22:14,316 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-13 13:22:14,316 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2024-10-13 13:22:14,316 INFO L87 Difference]: Start difference. First operand 695 states and 931 transitions. Second operand has 8 states, 7 states have (on average 33.0) internal successors, (231), 8 states have internal predecessors, (231), 5 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 5 states have call predecessors, (21), 5 states have call successors, (21) [2024-10-13 13:22:14,935 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:22:14,935 INFO L93 Difference]: Finished difference Result 739 states and 938 transitions. [2024-10-13 13:22:14,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-13 13:22:14,936 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 33.0) internal successors, (231), 8 states have internal predecessors, (231), 5 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 5 states have call predecessors, (21), 5 states have call successors, (21) Word has length 125 [2024-10-13 13:22:14,936 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:22:14,939 INFO L225 Difference]: With dead ends: 739 [2024-10-13 13:22:14,939 INFO L226 Difference]: Without dead ends: 734 [2024-10-13 13:22:14,939 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 268 GetRequests, 261 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2024-10-13 13:22:14,940 INFO L432 NwaCegarLoop]: 192 mSDtfsCounter, 336 mSDsluCounter, 359 mSDsCounter, 0 mSdLazyCounter, 574 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 348 SdHoareTripleChecker+Valid, 551 SdHoareTripleChecker+Invalid, 589 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 574 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-13 13:22:14,940 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [348 Valid, 551 Invalid, 589 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 574 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-13 13:22:14,941 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 734 states. [2024-10-13 13:22:14,961 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 734 to 694. [2024-10-13 13:22:14,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 694 states, 556 states have (on average 1.5089928057553956) internal successors, (839), 650 states have internal predecessors, (839), 40 states have call successors, (40), 5 states have call predecessors, (40), 5 states have return successors, (40), 38 states have call predecessors, (40), 40 states have call successors, (40) [2024-10-13 13:22:14,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 694 states to 694 states and 919 transitions. [2024-10-13 13:22:14,964 INFO L78 Accepts]: Start accepts. Automaton has 694 states and 919 transitions. Word has length 125 [2024-10-13 13:22:14,964 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:22:14,965 INFO L471 AbstractCegarLoop]: Abstraction has 694 states and 919 transitions. [2024-10-13 13:22:14,965 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 33.0) internal successors, (231), 8 states have internal predecessors, (231), 5 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 5 states have call predecessors, (21), 5 states have call successors, (21) [2024-10-13 13:22:14,965 INFO L276 IsEmpty]: Start isEmpty. Operand 694 states and 919 transitions. [2024-10-13 13:22:14,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2024-10-13 13:22:14,966 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:22:14,966 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:22:14,983 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2024-10-13 13:22:15,170 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable23 [2024-10-13 13:22:15,171 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2024-10-13 13:22:15,171 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:22:15,171 INFO L85 PathProgramCache]: Analyzing trace with hash 1130233330, now seen corresponding path program 1 times [2024-10-13 13:22:15,171 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:22:15,171 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [270843224] [2024-10-13 13:22:15,171 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:22:15,171 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:22:15,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:22:15,278 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-13 13:22:15,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:22:15,282 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 13:22:15,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:22:15,287 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-13 13:22:15,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:22:15,290 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-10-13 13:22:15,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:22:15,292 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-13 13:22:15,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:22:15,295 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-10-13 13:22:15,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:22:15,298 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-13 13:22:15,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:22:15,300 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-13 13:22:15,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:22:15,306 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-10-13 13:22:15,306 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:22:15,306 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [270843224] [2024-10-13 13:22:15,306 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [270843224] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 13:22:15,306 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1612861791] [2024-10-13 13:22:15,307 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:22:15,307 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:22:15,307 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:22:15,310 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 13:22:15,312 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-10-13 13:22:15,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:22:15,372 INFO L255 TraceCheckSpWp]: Trace formula consists of 204 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-13 13:22:15,373 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:22:15,584 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-10-13 13:22:15,585 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 13:22:15,754 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-10-13 13:22:15,754 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1612861791] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-13 13:22:15,754 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-13 13:22:15,754 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 3, 3] total 7 [2024-10-13 13:22:15,754 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [959419524] [2024-10-13 13:22:15,755 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-13 13:22:15,755 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-13 13:22:15,755 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:22:15,756 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-13 13:22:15,756 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=31, Unknown=0, NotChecked=0, Total=56 [2024-10-13 13:22:15,756 INFO L87 Difference]: Start difference. First operand 694 states and 919 transitions. Second operand has 8 states, 7 states have (on average 33.285714285714285) internal successors, (233), 8 states have internal predecessors, (233), 5 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 5 states have call predecessors, (21), 5 states have call successors, (21) [2024-10-13 13:22:16,346 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:22:16,347 INFO L93 Difference]: Finished difference Result 738 states and 926 transitions. [2024-10-13 13:22:16,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-13 13:22:16,347 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 33.285714285714285) internal successors, (233), 8 states have internal predecessors, (233), 5 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 5 states have call predecessors, (21), 5 states have call successors, (21) Word has length 126 [2024-10-13 13:22:16,347 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:22:16,349 INFO L225 Difference]: With dead ends: 738 [2024-10-13 13:22:16,349 INFO L226 Difference]: Without dead ends: 733 [2024-10-13 13:22:16,366 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 270 GetRequests, 263 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=39, Unknown=0, NotChecked=0, Total=72 [2024-10-13 13:22:16,367 INFO L432 NwaCegarLoop]: 143 mSDtfsCounter, 334 mSDsluCounter, 437 mSDsCounter, 0 mSdLazyCounter, 668 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 346 SdHoareTripleChecker+Valid, 580 SdHoareTripleChecker+Invalid, 683 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 668 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-13 13:22:16,367 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [346 Valid, 580 Invalid, 683 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 668 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-13 13:22:16,368 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 733 states. [2024-10-13 13:22:16,385 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 733 to 693. [2024-10-13 13:22:16,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 693 states, 556 states have (on average 1.4874100719424461) internal successors, (827), 649 states have internal predecessors, (827), 40 states have call successors, (40), 5 states have call predecessors, (40), 5 states have return successors, (40), 38 states have call predecessors, (40), 40 states have call successors, (40) [2024-10-13 13:22:16,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 693 states to 693 states and 907 transitions. [2024-10-13 13:22:16,388 INFO L78 Accepts]: Start accepts. Automaton has 693 states and 907 transitions. Word has length 126 [2024-10-13 13:22:16,389 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:22:16,389 INFO L471 AbstractCegarLoop]: Abstraction has 693 states and 907 transitions. [2024-10-13 13:22:16,389 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 33.285714285714285) internal successors, (233), 8 states have internal predecessors, (233), 5 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 5 states have call predecessors, (21), 5 states have call successors, (21) [2024-10-13 13:22:16,389 INFO L276 IsEmpty]: Start isEmpty. Operand 693 states and 907 transitions. [2024-10-13 13:22:16,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2024-10-13 13:22:16,390 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:22:16,390 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:22:16,407 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2024-10-13 13:22:16,591 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:22:16,591 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2024-10-13 13:22:16,593 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:22:16,594 INFO L85 PathProgramCache]: Analyzing trace with hash 677494957, now seen corresponding path program 1 times [2024-10-13 13:22:16,594 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:22:16,594 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1763908353] [2024-10-13 13:22:16,594 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:22:16,594 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:22:16,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-13 13:22:16,617 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [180307359] [2024-10-13 13:22:16,621 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:22:16,621 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:22:16,621 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:22:16,623 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 13:22:16,626 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-10-13 13:22:16,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:22:16,694 INFO L255 TraceCheckSpWp]: Trace formula consists of 205 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-10-13 13:22:16,696 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:22:17,087 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-10-13 13:22:17,087 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 13:22:17,364 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-10-13 13:22:17,365 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:22:17,365 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1763908353] [2024-10-13 13:22:17,365 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-13 13:22:17,365 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [180307359] [2024-10-13 13:22:17,365 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [180307359] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-13 13:22:17,365 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-10-13 13:22:17,365 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2024-10-13 13:22:17,365 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1974112127] [2024-10-13 13:22:17,365 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-10-13 13:22:17,366 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-13 13:22:17,366 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:22:17,367 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-13 13:22:17,367 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2024-10-13 13:22:17,368 INFO L87 Difference]: Start difference. First operand 693 states and 907 transitions. Second operand has 10 states, 9 states have (on average 19.666666666666668) internal successors, (177), 10 states have internal predecessors, (177), 4 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 4 states have call predecessors, (16), 4 states have call successors, (16) [2024-10-13 13:22:22,959 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:22:22,959 INFO L93 Difference]: Finished difference Result 758 states and 939 transitions. [2024-10-13 13:22:22,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-10-13 13:22:22,959 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 19.666666666666668) internal successors, (177), 10 states have internal predecessors, (177), 4 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 4 states have call predecessors, (16), 4 states have call successors, (16) Word has length 127 [2024-10-13 13:22:22,960 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:22:22,962 INFO L225 Difference]: With dead ends: 758 [2024-10-13 13:22:22,962 INFO L226 Difference]: Without dead ends: 663 [2024-10-13 13:22:22,962 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 256 GetRequests, 244 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=70, Invalid=112, Unknown=0, NotChecked=0, Total=182 [2024-10-13 13:22:22,963 INFO L432 NwaCegarLoop]: 97 mSDtfsCounter, 748 mSDsluCounter, 368 mSDsCounter, 0 mSdLazyCounter, 1376 mSolverCounterSat, 88 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 760 SdHoareTripleChecker+Valid, 465 SdHoareTripleChecker+Invalid, 1464 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 88 IncrementalHoareTripleChecker+Valid, 1376 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.4s IncrementalHoareTripleChecker+Time [2024-10-13 13:22:22,963 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [760 Valid, 465 Invalid, 1464 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [88 Valid, 1376 Invalid, 0 Unknown, 0 Unchecked, 5.4s Time] [2024-10-13 13:22:22,964 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 663 states. [2024-10-13 13:22:22,999 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 663 to 640. [2024-10-13 13:22:23,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 640 states, 508 states have (on average 1.454724409448819) internal successors, (739), 599 states have internal predecessors, (739), 37 states have call successors, (37), 5 states have call predecessors, (37), 5 states have return successors, (37), 35 states have call predecessors, (37), 37 states have call successors, (37) [2024-10-13 13:22:23,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 640 states to 640 states and 813 transitions. [2024-10-13 13:22:23,004 INFO L78 Accepts]: Start accepts. Automaton has 640 states and 813 transitions. Word has length 127 [2024-10-13 13:22:23,005 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:22:23,005 INFO L471 AbstractCegarLoop]: Abstraction has 640 states and 813 transitions. [2024-10-13 13:22:23,005 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 19.666666666666668) internal successors, (177), 10 states have internal predecessors, (177), 4 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 4 states have call predecessors, (16), 4 states have call successors, (16) [2024-10-13 13:22:23,005 INFO L276 IsEmpty]: Start isEmpty. Operand 640 states and 813 transitions. [2024-10-13 13:22:23,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2024-10-13 13:22:23,007 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:22:23,007 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1] [2024-10-13 13:22:23,024 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2024-10-13 13:22:23,207 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2024-10-13 13:22:23,208 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr55ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2024-10-13 13:22:23,208 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:22:23,208 INFO L85 PathProgramCache]: Analyzing trace with hash 678166150, now seen corresponding path program 1 times [2024-10-13 13:22:23,208 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:22:23,208 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [958589056] [2024-10-13 13:22:23,208 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:22:23,209 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:22:23,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:22:23,267 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-13 13:22:23,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:22:23,270 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 13:22:23,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:22:23,272 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-13 13:22:23,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:22:23,274 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-10-13 13:22:23,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:22:23,277 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-13 13:22:23,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:22:23,278 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-10-13 13:22:23,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:22:23,280 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-13 13:22:23,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:22:23,281 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-13 13:22:23,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:22:23,284 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-10-13 13:22:23,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:22:23,286 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-10-13 13:22:23,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:22:23,289 INFO L134 CoverageAnalysis]: Checked inductivity of 244 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 217 trivial. 0 not checked. [2024-10-13 13:22:23,291 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:22:23,291 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [958589056] [2024-10-13 13:22:23,291 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [958589056] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 13:22:23,291 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 13:22:23,291 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 13:22:23,291 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [920086077] [2024-10-13 13:22:23,292 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 13:22:23,292 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 13:22:23,292 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:22:23,293 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 13:22:23,293 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 13:22:23,293 INFO L87 Difference]: Start difference. First operand 640 states and 813 transitions. Second operand has 3 states, 2 states have (on average 44.5) internal successors, (89), 3 states have internal predecessors, (89), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-10-13 13:22:23,854 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:22:23,854 INFO L93 Difference]: Finished difference Result 646 states and 813 transitions. [2024-10-13 13:22:23,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 13:22:23,855 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 44.5) internal successors, (89), 3 states have internal predecessors, (89), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 169 [2024-10-13 13:22:23,855 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:22:23,857 INFO L225 Difference]: With dead ends: 646 [2024-10-13 13:22:23,858 INFO L226 Difference]: Without dead ends: 643 [2024-10-13 13:22:23,858 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 13:22:23,859 INFO L432 NwaCegarLoop]: 118 mSDtfsCounter, 134 mSDsluCounter, 71 mSDsCounter, 0 mSdLazyCounter, 223 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 142 SdHoareTripleChecker+Valid, 189 SdHoareTripleChecker+Invalid, 227 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 223 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-13 13:22:23,860 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [142 Valid, 189 Invalid, 227 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 223 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-13 13:22:23,860 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 643 states. [2024-10-13 13:22:23,880 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 643 to 638. [2024-10-13 13:22:23,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 638 states, 508 states have (on average 1.4429133858267718) internal successors, (733), 597 states have internal predecessors, (733), 37 states have call successors, (37), 5 states have call predecessors, (37), 5 states have return successors, (37), 35 states have call predecessors, (37), 37 states have call successors, (37) [2024-10-13 13:22:23,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 638 states to 638 states and 807 transitions. [2024-10-13 13:22:23,882 INFO L78 Accepts]: Start accepts. Automaton has 638 states and 807 transitions. Word has length 169 [2024-10-13 13:22:23,884 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:22:23,884 INFO L471 AbstractCegarLoop]: Abstraction has 638 states and 807 transitions. [2024-10-13 13:22:23,884 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 44.5) internal successors, (89), 3 states have internal predecessors, (89), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-10-13 13:22:23,884 INFO L276 IsEmpty]: Start isEmpty. Operand 638 states and 807 transitions. [2024-10-13 13:22:23,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2024-10-13 13:22:23,885 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:22:23,885 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:22:23,885 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2024-10-13 13:22:23,885 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr61ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2024-10-13 13:22:23,886 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:22:23,886 INFO L85 PathProgramCache]: Analyzing trace with hash 1920667239, now seen corresponding path program 1 times [2024-10-13 13:22:23,886 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:22:23,886 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2057383963] [2024-10-13 13:22:23,886 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:22:23,886 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:22:23,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:22:23,979 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-13 13:22:23,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:22:23,982 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 13:22:23,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:22:23,983 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-13 13:22:23,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:22:23,985 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-10-13 13:22:23,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:22:23,987 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-13 13:22:23,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:22:23,989 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-10-13 13:22:23,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:22:23,991 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-13 13:22:23,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:22:23,993 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-13 13:22:23,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:22:23,995 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-10-13 13:22:23,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:22:23,996 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-10-13 13:22:23,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:22:23,998 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-10-13 13:22:23,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:22:24,000 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-10-13 13:22:24,001 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:22:24,001 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2057383963] [2024-10-13 13:22:24,001 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2057383963] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 13:22:24,001 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [799853680] [2024-10-13 13:22:24,002 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:22:24,002 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:22:24,002 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:22:24,004 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 13:22:24,005 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-10-13 13:22:24,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:22:24,087 INFO L255 TraceCheckSpWp]: Trace formula consists of 262 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-13 13:22:24,089 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:22:24,223 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-10-13 13:22:24,223 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 13:22:24,390 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-10-13 13:22:24,390 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [799853680] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-13 13:22:24,390 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-13 13:22:24,390 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 8 [2024-10-13 13:22:24,390 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [782920046] [2024-10-13 13:22:24,391 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-13 13:22:24,391 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-13 13:22:24,391 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:22:24,392 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-13 13:22:24,392 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2024-10-13 13:22:24,392 INFO L87 Difference]: Start difference. First operand 638 states and 807 transitions. Second operand has 9 states, 8 states have (on average 36.375) internal successors, (291), 9 states have internal predecessors, (291), 7 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 7 states have call predecessors, (27), 7 states have call successors, (27) [2024-10-13 13:22:24,901 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:22:24,901 INFO L93 Difference]: Finished difference Result 723 states and 831 transitions. [2024-10-13 13:22:24,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-13 13:22:24,902 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 36.375) internal successors, (291), 9 states have internal predecessors, (291), 7 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 7 states have call predecessors, (27), 7 states have call successors, (27) Word has length 172 [2024-10-13 13:22:24,902 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:22:24,904 INFO L225 Difference]: With dead ends: 723 [2024-10-13 13:22:24,904 INFO L226 Difference]: Without dead ends: 721 [2024-10-13 13:22:24,904 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 372 GetRequests, 360 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=65, Invalid=117, Unknown=0, NotChecked=0, Total=182 [2024-10-13 13:22:24,905 INFO L432 NwaCegarLoop]: 189 mSDtfsCounter, 1083 mSDsluCounter, 567 mSDsCounter, 0 mSdLazyCounter, 415 mSolverCounterSat, 52 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1083 SdHoareTripleChecker+Valid, 756 SdHoareTripleChecker+Invalid, 467 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 52 IncrementalHoareTripleChecker+Valid, 415 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-13 13:22:24,905 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1083 Valid, 756 Invalid, 467 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [52 Valid, 415 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-13 13:22:24,906 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 721 states. [2024-10-13 13:22:24,930 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 721 to 636. [2024-10-13 13:22:24,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 636 states, 508 states have (on average 1.4271653543307086) internal successors, (725), 595 states have internal predecessors, (725), 37 states have call successors, (37), 5 states have call predecessors, (37), 5 states have return successors, (37), 35 states have call predecessors, (37), 37 states have call successors, (37) [2024-10-13 13:22:24,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 636 states to 636 states and 799 transitions. [2024-10-13 13:22:24,932 INFO L78 Accepts]: Start accepts. Automaton has 636 states and 799 transitions. Word has length 172 [2024-10-13 13:22:24,932 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:22:24,933 INFO L471 AbstractCegarLoop]: Abstraction has 636 states and 799 transitions. [2024-10-13 13:22:24,933 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 36.375) internal successors, (291), 9 states have internal predecessors, (291), 7 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 7 states have call predecessors, (27), 7 states have call successors, (27) [2024-10-13 13:22:24,933 INFO L276 IsEmpty]: Start isEmpty. Operand 636 states and 799 transitions. [2024-10-13 13:22:24,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2024-10-13 13:22:24,934 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:22:24,935 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:22:24,952 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2024-10-13 13:22:25,137 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2024-10-13 13:22:25,138 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr62ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2024-10-13 13:22:25,138 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:22:25,139 INFO L85 PathProgramCache]: Analyzing trace with hash -588857553, now seen corresponding path program 1 times [2024-10-13 13:22:25,139 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:22:25,139 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [633645282] [2024-10-13 13:22:25,139 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:22:25,139 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:22:25,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-13 13:22:25,165 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2098158418] [2024-10-13 13:22:25,165 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:22:25,165 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:22:25,165 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:22:25,167 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 13:22:25,168 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2024-10-13 13:22:25,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:22:25,239 INFO L255 TraceCheckSpWp]: Trace formula consists of 263 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-10-13 13:22:25,241 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:22:25,657 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-10-13 13:22:25,658 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 13:22:26,718 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:22:26,718 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [633645282] [2024-10-13 13:22:26,718 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-13 13:22:26,718 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2098158418] [2024-10-13 13:22:26,719 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2098158418] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 13:22:26,719 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-13 13:22:26,719 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2024-10-13 13:22:26,719 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1853669996] [2024-10-13 13:22:26,719 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-13 13:22:26,719 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-13 13:22:26,719 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:22:26,720 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-13 13:22:26,720 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-10-13 13:22:26,720 INFO L87 Difference]: Start difference. First operand 636 states and 799 transitions. Second operand has 5 states, 4 states have (on average 30.25) internal successors, (121), 5 states have internal predecessors, (121), 2 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-10-13 13:22:27,513 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:22:27,513 INFO L93 Difference]: Finished difference Result 637 states and 799 transitions. [2024-10-13 13:22:27,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-13 13:22:27,514 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 30.25) internal successors, (121), 5 states have internal predecessors, (121), 2 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 173 [2024-10-13 13:22:27,514 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:22:27,516 INFO L225 Difference]: With dead ends: 637 [2024-10-13 13:22:27,516 INFO L226 Difference]: Without dead ends: 636 [2024-10-13 13:22:27,516 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 272 GetRequests, 264 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-10-13 13:22:27,517 INFO L432 NwaCegarLoop]: 219 mSDtfsCounter, 32 mSDsluCounter, 242 mSDsCounter, 0 mSdLazyCounter, 692 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 461 SdHoareTripleChecker+Invalid, 693 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 692 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-10-13 13:22:27,517 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [33 Valid, 461 Invalid, 693 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 692 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-10-13 13:22:27,518 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 636 states. [2024-10-13 13:22:27,548 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 636 to 636. [2024-10-13 13:22:27,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 636 states, 508 states have (on average 1.4251968503937007) internal successors, (724), 595 states have internal predecessors, (724), 37 states have call successors, (37), 5 states have call predecessors, (37), 5 states have return successors, (37), 35 states have call predecessors, (37), 37 states have call successors, (37) [2024-10-13 13:22:27,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 636 states to 636 states and 798 transitions. [2024-10-13 13:22:27,550 INFO L78 Accepts]: Start accepts. Automaton has 636 states and 798 transitions. Word has length 173 [2024-10-13 13:22:27,551 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:22:27,551 INFO L471 AbstractCegarLoop]: Abstraction has 636 states and 798 transitions. [2024-10-13 13:22:27,551 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 30.25) internal successors, (121), 5 states have internal predecessors, (121), 2 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-10-13 13:22:27,551 INFO L276 IsEmpty]: Start isEmpty. Operand 636 states and 798 transitions. [2024-10-13 13:22:27,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2024-10-13 13:22:27,552 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:22:27,552 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:22:27,570 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Ended with exit code 0 [2024-10-13 13:22:27,753 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2024-10-13 13:22:27,753 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr63ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2024-10-13 13:22:27,754 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:22:27,754 INFO L85 PathProgramCache]: Analyzing trace with hash -1074714775, now seen corresponding path program 1 times [2024-10-13 13:22:27,754 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:22:27,754 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [823219844] [2024-10-13 13:22:27,754 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:22:27,754 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:22:27,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-13 13:22:27,778 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1737264295] [2024-10-13 13:22:27,778 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:22:27,778 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:22:27,778 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:22:27,780 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 13:22:27,781 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2024-10-13 13:22:27,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:22:27,854 INFO L255 TraceCheckSpWp]: Trace formula consists of 264 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-10-13 13:22:27,857 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:22:28,318 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-10-13 13:22:28,319 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 13:22:28,594 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:22:28,594 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [823219844] [2024-10-13 13:22:28,595 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-13 13:22:28,595 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1737264295] [2024-10-13 13:22:28,595 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1737264295] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 13:22:28,595 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-13 13:22:28,595 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2024-10-13 13:22:28,595 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [430480466] [2024-10-13 13:22:28,595 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-13 13:22:28,595 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-13 13:22:28,596 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:22:28,596 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-13 13:22:28,596 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-10-13 13:22:28,596 INFO L87 Difference]: Start difference. First operand 636 states and 798 transitions. Second operand has 6 states, 5 states have (on average 24.4) internal successors, (122), 6 states have internal predecessors, (122), 3 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2024-10-13 13:22:29,448 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:22:29,448 INFO L93 Difference]: Finished difference Result 647 states and 798 transitions. [2024-10-13 13:22:29,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-13 13:22:29,449 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 24.4) internal successors, (122), 6 states have internal predecessors, (122), 3 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) Word has length 174 [2024-10-13 13:22:29,449 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:22:29,451 INFO L225 Difference]: With dead ends: 647 [2024-10-13 13:22:29,451 INFO L226 Difference]: Without dead ends: 646 [2024-10-13 13:22:29,451 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 190 GetRequests, 182 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2024-10-13 13:22:29,451 INFO L432 NwaCegarLoop]: 196 mSDtfsCounter, 69 mSDsluCounter, 358 mSDsCounter, 0 mSdLazyCounter, 915 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 69 SdHoareTripleChecker+Valid, 554 SdHoareTripleChecker+Invalid, 919 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 915 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-10-13 13:22:29,451 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [69 Valid, 554 Invalid, 919 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 915 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-10-13 13:22:29,452 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 646 states. [2024-10-13 13:22:29,472 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 646 to 636. [2024-10-13 13:22:29,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 636 states, 508 states have (on average 1.4232283464566928) internal successors, (723), 595 states have internal predecessors, (723), 37 states have call successors, (37), 5 states have call predecessors, (37), 5 states have return successors, (37), 35 states have call predecessors, (37), 37 states have call successors, (37) [2024-10-13 13:22:29,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 636 states to 636 states and 797 transitions. [2024-10-13 13:22:29,475 INFO L78 Accepts]: Start accepts. Automaton has 636 states and 797 transitions. Word has length 174 [2024-10-13 13:22:29,476 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:22:29,476 INFO L471 AbstractCegarLoop]: Abstraction has 636 states and 797 transitions. [2024-10-13 13:22:29,476 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 24.4) internal successors, (122), 6 states have internal predecessors, (122), 3 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2024-10-13 13:22:29,476 INFO L276 IsEmpty]: Start isEmpty. Operand 636 states and 797 transitions. [2024-10-13 13:22:29,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2024-10-13 13:22:29,477 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:22:29,477 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:22:29,495 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Ended with exit code 0 [2024-10-13 13:22:29,677 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,19 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:22:29,678 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr66ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2024-10-13 13:22:29,678 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:22:29,678 INFO L85 PathProgramCache]: Analyzing trace with hash -2141452877, now seen corresponding path program 1 times [2024-10-13 13:22:29,678 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:22:29,678 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [600080727] [2024-10-13 13:22:29,679 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:22:29,679 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:22:29,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-13 13:22:29,707 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1286017842] [2024-10-13 13:22:29,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:22:29,708 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:22:29,708 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:22:29,709 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 13:22:29,711 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2024-10-13 13:22:29,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:22:29,777 INFO L255 TraceCheckSpWp]: Trace formula consists of 267 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-10-13 13:22:29,780 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:22:30,357 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-10-13 13:22:30,357 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 13:22:31,050 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:22:31,050 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [600080727] [2024-10-13 13:22:31,050 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-13 13:22:31,050 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1286017842] [2024-10-13 13:22:31,050 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1286017842] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 13:22:31,050 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-13 13:22:31,051 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2024-10-13 13:22:31,051 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [637141135] [2024-10-13 13:22:31,051 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-13 13:22:31,051 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-13 13:22:31,051 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:22:31,052 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-13 13:22:31,052 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2024-10-13 13:22:31,052 INFO L87 Difference]: Start difference. First operand 636 states and 797 transitions. Second operand has 6 states, 5 states have (on average 25.0) internal successors, (125), 6 states have internal predecessors, (125), 2 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-10-13 13:22:31,886 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:22:31,887 INFO L93 Difference]: Finished difference Result 640 states and 797 transitions. [2024-10-13 13:22:31,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-13 13:22:31,887 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 25.0) internal successors, (125), 6 states have internal predecessors, (125), 2 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 177 [2024-10-13 13:22:31,887 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:22:31,889 INFO L225 Difference]: With dead ends: 640 [2024-10-13 13:22:31,889 INFO L226 Difference]: Without dead ends: 636 [2024-10-13 13:22:31,890 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 279 GetRequests, 270 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2024-10-13 13:22:31,890 INFO L432 NwaCegarLoop]: 200 mSDtfsCounter, 27 mSDsluCounter, 216 mSDsCounter, 0 mSdLazyCounter, 1057 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 416 SdHoareTripleChecker+Invalid, 1060 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 1057 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-10-13 13:22:31,890 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [28 Valid, 416 Invalid, 1060 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 1057 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-10-13 13:22:31,891 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 636 states. [2024-10-13 13:22:31,912 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 636 to 636. [2024-10-13 13:22:31,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 636 states, 508 states have (on average 1.4153543307086613) internal successors, (719), 595 states have internal predecessors, (719), 37 states have call successors, (37), 5 states have call predecessors, (37), 5 states have return successors, (37), 35 states have call predecessors, (37), 37 states have call successors, (37) [2024-10-13 13:22:31,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 636 states to 636 states and 793 transitions. [2024-10-13 13:22:31,914 INFO L78 Accepts]: Start accepts. Automaton has 636 states and 793 transitions. Word has length 177 [2024-10-13 13:22:31,914 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:22:31,915 INFO L471 AbstractCegarLoop]: Abstraction has 636 states and 793 transitions. [2024-10-13 13:22:31,915 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 25.0) internal successors, (125), 6 states have internal predecessors, (125), 2 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-10-13 13:22:31,915 INFO L276 IsEmpty]: Start isEmpty. Operand 636 states and 793 transitions. [2024-10-13 13:22:31,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2024-10-13 13:22:31,916 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:22:31,917 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:22:31,934 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Forceful destruction successful, exit code 0 [2024-10-13 13:22:32,117 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30,20 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:22:32,117 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr67ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2024-10-13 13:22:32,118 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:22:32,118 INFO L85 PathProgramCache]: Analyzing trace with hash -1960529555, now seen corresponding path program 1 times [2024-10-13 13:22:32,118 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:22:32,118 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1799044172] [2024-10-13 13:22:32,118 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:22:32,118 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:22:32,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-13 13:22:32,146 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1830184413] [2024-10-13 13:22:32,146 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:22:32,146 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:22:32,147 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:22:32,148 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 13:22:32,149 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2024-10-13 13:22:32,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:22:32,217 INFO L255 TraceCheckSpWp]: Trace formula consists of 268 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-10-13 13:22:32,219 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:22:32,594 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-10-13 13:22:32,594 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 13:22:32,859 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:22:32,859 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1799044172] [2024-10-13 13:22:32,860 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-13 13:22:32,860 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1830184413] [2024-10-13 13:22:32,860 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1830184413] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 13:22:32,860 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-13 13:22:32,860 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2024-10-13 13:22:32,860 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [233583190] [2024-10-13 13:22:32,860 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-13 13:22:32,860 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-13 13:22:32,860 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:22:32,861 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-13 13:22:32,861 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2024-10-13 13:22:32,861 INFO L87 Difference]: Start difference. First operand 636 states and 793 transitions. Second operand has 6 states, 5 states have (on average 25.2) internal successors, (126), 6 states have internal predecessors, (126), 2 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-10-13 13:22:33,530 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:22:33,531 INFO L93 Difference]: Finished difference Result 640 states and 793 transitions. [2024-10-13 13:22:33,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-13 13:22:33,531 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 25.2) internal successors, (126), 6 states have internal predecessors, (126), 2 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 178 [2024-10-13 13:22:33,531 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:22:33,533 INFO L225 Difference]: With dead ends: 640 [2024-10-13 13:22:33,533 INFO L226 Difference]: Without dead ends: 636 [2024-10-13 13:22:33,533 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 186 GetRequests, 180 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2024-10-13 13:22:33,533 INFO L432 NwaCegarLoop]: 229 mSDtfsCounter, 44 mSDsluCounter, 273 mSDsCounter, 0 mSdLazyCounter, 721 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 45 SdHoareTripleChecker+Valid, 502 SdHoareTripleChecker+Invalid, 725 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 721 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-13 13:22:33,534 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [45 Valid, 502 Invalid, 725 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 721 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-13 13:22:33,535 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 636 states. [2024-10-13 13:22:33,555 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 636 to 636. [2024-10-13 13:22:33,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 636 states, 508 states have (on average 1.4074803149606299) internal successors, (715), 595 states have internal predecessors, (715), 37 states have call successors, (37), 5 states have call predecessors, (37), 5 states have return successors, (37), 35 states have call predecessors, (37), 37 states have call successors, (37) [2024-10-13 13:22:33,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 636 states to 636 states and 789 transitions. [2024-10-13 13:22:33,558 INFO L78 Accepts]: Start accepts. Automaton has 636 states and 789 transitions. Word has length 178 [2024-10-13 13:22:33,559 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:22:33,559 INFO L471 AbstractCegarLoop]: Abstraction has 636 states and 789 transitions. [2024-10-13 13:22:33,559 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 25.2) internal successors, (126), 6 states have internal predecessors, (126), 2 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-10-13 13:22:33,559 INFO L276 IsEmpty]: Start isEmpty. Operand 636 states and 789 transitions. [2024-10-13 13:22:33,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2024-10-13 13:22:33,560 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:22:33,560 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 12, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:22:33,577 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Forceful destruction successful, exit code 0 [2024-10-13 13:22:33,764 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable31 [2024-10-13 13:22:33,765 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr80ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2024-10-13 13:22:33,765 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:22:33,765 INFO L85 PathProgramCache]: Analyzing trace with hash 1759242747, now seen corresponding path program 1 times [2024-10-13 13:22:33,766 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:22:33,766 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [830681359] [2024-10-13 13:22:33,766 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:22:33,766 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:22:33,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-13 13:22:33,797 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [942559027] [2024-10-13 13:22:33,800 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:22:33,800 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:22:33,800 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:22:33,802 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 13:22:33,803 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2024-10-13 13:22:33,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:22:33,892 INFO L255 TraceCheckSpWp]: Trace formula consists of 290 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-10-13 13:22:33,895 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:22:34,262 INFO L134 CoverageAnalysis]: Checked inductivity of 320 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-10-13 13:22:34,262 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 13:22:34,472 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:22:34,472 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [830681359] [2024-10-13 13:22:34,472 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-13 13:22:34,472 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [942559027] [2024-10-13 13:22:34,472 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [942559027] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 13:22:34,473 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-13 13:22:34,473 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2024-10-13 13:22:34,473 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [239906099] [2024-10-13 13:22:34,473 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-13 13:22:34,473 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-13 13:22:34,473 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:22:34,474 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-13 13:22:34,474 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2024-10-13 13:22:34,474 INFO L87 Difference]: Start difference. First operand 636 states and 789 transitions. Second operand has 6 states, 5 states have (on average 27.8) internal successors, (139), 6 states have internal predecessors, (139), 3 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2024-10-13 13:22:35,188 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:22:35,188 INFO L93 Difference]: Finished difference Result 639 states and 789 transitions. [2024-10-13 13:22:35,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-13 13:22:35,189 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 27.8) internal successors, (139), 6 states have internal predecessors, (139), 3 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) Word has length 196 [2024-10-13 13:22:35,189 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:22:35,190 INFO L225 Difference]: With dead ends: 639 [2024-10-13 13:22:35,190 INFO L226 Difference]: Without dead ends: 636 [2024-10-13 13:22:35,190 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 222 GetRequests, 216 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2024-10-13 13:22:35,191 INFO L432 NwaCegarLoop]: 231 mSDtfsCounter, 13 mSDsluCounter, 356 mSDsCounter, 0 mSdLazyCounter, 894 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 587 SdHoareTripleChecker+Invalid, 896 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 894 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-10-13 13:22:35,191 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 587 Invalid, 896 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 894 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-10-13 13:22:35,191 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 636 states. [2024-10-13 13:22:35,211 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 636 to 636. [2024-10-13 13:22:35,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 636 states, 508 states have (on average 1.4015748031496063) internal successors, (712), 595 states have internal predecessors, (712), 37 states have call successors, (37), 5 states have call predecessors, (37), 5 states have return successors, (37), 35 states have call predecessors, (37), 37 states have call successors, (37) [2024-10-13 13:22:35,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 636 states to 636 states and 786 transitions. [2024-10-13 13:22:35,213 INFO L78 Accepts]: Start accepts. Automaton has 636 states and 786 transitions. Word has length 196 [2024-10-13 13:22:35,213 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:22:35,213 INFO L471 AbstractCegarLoop]: Abstraction has 636 states and 786 transitions. [2024-10-13 13:22:35,213 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 27.8) internal successors, (139), 6 states have internal predecessors, (139), 3 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2024-10-13 13:22:35,213 INFO L276 IsEmpty]: Start isEmpty. Operand 636 states and 786 transitions. [2024-10-13 13:22:35,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2024-10-13 13:22:35,214 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:22:35,215 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 12, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:22:35,231 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Ended with exit code 0 [2024-10-13 13:22:35,415 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable32 [2024-10-13 13:22:35,416 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr81ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2024-10-13 13:22:35,416 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:22:35,416 INFO L85 PathProgramCache]: Analyzing trace with hash -1298049470, now seen corresponding path program 1 times [2024-10-13 13:22:35,416 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:22:35,416 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1649469827] [2024-10-13 13:22:35,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:22:35,417 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:22:35,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:22:35,592 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-13 13:22:35,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:22:35,596 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 13:22:35,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:22:35,599 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-13 13:22:35,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:22:35,602 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-10-13 13:22:35,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:22:35,605 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-13 13:22:35,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:22:35,608 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-10-13 13:22:35,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:22:35,610 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-13 13:22:35,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:22:35,613 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-13 13:22:35,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:22:35,615 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-10-13 13:22:35,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:22:35,618 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-10-13 13:22:35,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:22:35,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-10-13 13:22:35,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:22:35,624 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-10-13 13:22:35,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:22:35,626 INFO L134 CoverageAnalysis]: Checked inductivity of 320 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-10-13 13:22:35,627 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:22:35,627 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1649469827] [2024-10-13 13:22:35,627 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1649469827] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 13:22:35,627 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [875969903] [2024-10-13 13:22:35,627 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:22:35,627 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:22:35,627 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:22:35,629 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 13:22:35,630 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2024-10-13 13:22:35,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:22:35,711 INFO L255 TraceCheckSpWp]: Trace formula consists of 291 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-10-13 13:22:35,713 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:22:36,401 INFO L134 CoverageAnalysis]: Checked inductivity of 320 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-10-13 13:22:36,401 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 13:22:36,495 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [875969903] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 13:22:36,495 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-10-13 13:22:36,495 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 10 [2024-10-13 13:22:36,495 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [57270401] [2024-10-13 13:22:36,495 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-10-13 13:22:36,495 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-13 13:22:36,496 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:22:36,496 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-13 13:22:36,496 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2024-10-13 13:22:36,496 INFO L87 Difference]: Start difference. First operand 636 states and 786 transitions. Second operand has 11 states, 10 states have (on average 27.7) internal successors, (277), 11 states have internal predecessors, (277), 4 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 4 states have call predecessors, (24), 4 states have call successors, (24) [2024-10-13 13:22:39,321 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:22:39,321 INFO L93 Difference]: Finished difference Result 636 states and 786 transitions. [2024-10-13 13:22:39,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-13 13:22:39,321 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 27.7) internal successors, (277), 11 states have internal predecessors, (277), 4 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 4 states have call predecessors, (24), 4 states have call successors, (24) Word has length 197 [2024-10-13 13:22:39,322 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:22:39,323 INFO L225 Difference]: With dead ends: 636 [2024-10-13 13:22:39,323 INFO L226 Difference]: Without dead ends: 632 [2024-10-13 13:22:39,323 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 243 GetRequests, 225 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=99, Invalid=281, Unknown=0, NotChecked=0, Total=380 [2024-10-13 13:22:39,324 INFO L432 NwaCegarLoop]: 62 mSDtfsCounter, 459 mSDsluCounter, 222 mSDsCounter, 0 mSdLazyCounter, 1409 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 459 SdHoareTripleChecker+Valid, 284 SdHoareTripleChecker+Invalid, 1450 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 1409 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2024-10-13 13:22:39,324 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [459 Valid, 284 Invalid, 1450 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 1409 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2024-10-13 13:22:39,324 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 632 states. [2024-10-13 13:22:39,345 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 632 to 632. [2024-10-13 13:22:39,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 632 states, 508 states have (on average 1.375984251968504) internal successors, (699), 591 states have internal predecessors, (699), 37 states have call successors, (37), 5 states have call predecessors, (37), 5 states have return successors, (37), 35 states have call predecessors, (37), 37 states have call successors, (37) [2024-10-13 13:22:39,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 632 states to 632 states and 773 transitions. [2024-10-13 13:22:39,348 INFO L78 Accepts]: Start accepts. Automaton has 632 states and 773 transitions. Word has length 197 [2024-10-13 13:22:39,348 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:22:39,348 INFO L471 AbstractCegarLoop]: Abstraction has 632 states and 773 transitions. [2024-10-13 13:22:39,348 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 27.7) internal successors, (277), 11 states have internal predecessors, (277), 4 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 4 states have call predecessors, (24), 4 states have call successors, (24) [2024-10-13 13:22:39,348 INFO L276 IsEmpty]: Start isEmpty. Operand 632 states and 773 transitions. [2024-10-13 13:22:39,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2024-10-13 13:22:39,349 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:22:39,349 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 12, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:22:39,366 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Ended with exit code 0 [2024-10-13 13:22:39,553 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33,23 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:22:39,554 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr85ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2024-10-13 13:22:39,554 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:22:39,554 INFO L85 PathProgramCache]: Analyzing trace with hash 974204166, now seen corresponding path program 1 times [2024-10-13 13:22:39,554 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:22:39,554 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [613693375] [2024-10-13 13:22:39,554 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:22:39,554 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:22:39,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-13 13:22:39,577 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [602605307] [2024-10-13 13:22:39,577 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:22:39,577 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:22:39,577 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:22:39,579 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 13:22:39,580 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2024-10-13 13:22:39,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:22:39,656 INFO L255 TraceCheckSpWp]: Trace formula consists of 295 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-10-13 13:22:39,659 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:22:40,128 INFO L134 CoverageAnalysis]: Checked inductivity of 320 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-10-13 13:22:40,129 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 13:22:40,225 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:22:40,226 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [613693375] [2024-10-13 13:22:40,226 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-13 13:22:40,226 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [602605307] [2024-10-13 13:22:40,226 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [602605307] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 13:22:40,226 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-13 13:22:40,226 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2024-10-13 13:22:40,226 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1788340269] [2024-10-13 13:22:40,226 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-13 13:22:40,226 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-13 13:22:40,227 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:22:40,227 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-13 13:22:40,227 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2024-10-13 13:22:40,227 INFO L87 Difference]: Start difference. First operand 632 states and 773 transitions. Second operand has 6 states, 5 states have (on average 28.8) internal successors, (144), 6 states have internal predecessors, (144), 3 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2024-10-13 13:22:40,934 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:22:40,934 INFO L93 Difference]: Finished difference Result 634 states and 773 transitions. [2024-10-13 13:22:40,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-13 13:22:40,935 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 28.8) internal successors, (144), 6 states have internal predecessors, (144), 3 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) Word has length 201 [2024-10-13 13:22:40,935 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:22:40,937 INFO L225 Difference]: With dead ends: 634 [2024-10-13 13:22:40,937 INFO L226 Difference]: Without dead ends: 598 [2024-10-13 13:22:40,937 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 232 GetRequests, 226 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2024-10-13 13:22:40,938 INFO L432 NwaCegarLoop]: 231 mSDtfsCounter, 8 mSDsluCounter, 358 mSDsCounter, 0 mSdLazyCounter, 872 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 589 SdHoareTripleChecker+Invalid, 873 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 872 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-10-13 13:22:40,938 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 589 Invalid, 873 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 872 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-10-13 13:22:40,938 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 598 states. [2024-10-13 13:22:40,958 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 598 to 598. [2024-10-13 13:22:40,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 598 states, 476 states have (on average 1.3970588235294117) internal successors, (665), 559 states have internal predecessors, (665), 35 states have call successors, (35), 5 states have call predecessors, (35), 5 states have return successors, (35), 33 states have call predecessors, (35), 35 states have call successors, (35) [2024-10-13 13:22:40,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 598 states to 598 states and 735 transitions. [2024-10-13 13:22:40,960 INFO L78 Accepts]: Start accepts. Automaton has 598 states and 735 transitions. Word has length 201 [2024-10-13 13:22:40,960 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:22:40,960 INFO L471 AbstractCegarLoop]: Abstraction has 598 states and 735 transitions. [2024-10-13 13:22:40,961 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 28.8) internal successors, (144), 6 states have internal predecessors, (144), 3 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2024-10-13 13:22:40,961 INFO L276 IsEmpty]: Start isEmpty. Operand 598 states and 735 transitions. [2024-10-13 13:22:40,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2024-10-13 13:22:40,962 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:22:40,962 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 12, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1] [2024-10-13 13:22:40,980 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Ended with exit code 0 [2024-10-13 13:22:41,162 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34,24 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:22:41,163 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2024-10-13 13:22:41,163 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:22:41,163 INFO L85 PathProgramCache]: Analyzing trace with hash 916903759, now seen corresponding path program 1 times [2024-10-13 13:22:41,163 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:22:41,163 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [280140683] [2024-10-13 13:22:41,164 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:22:41,164 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:22:41,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-13 13:22:41,185 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2139604020] [2024-10-13 13:22:41,185 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:22:41,185 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:22:41,185 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:22:41,187 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 13:22:41,188 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2024-10-13 13:22:41,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:22:41,268 INFO L255 TraceCheckSpWp]: Trace formula consists of 306 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-13 13:22:41,270 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:22:41,422 INFO L134 CoverageAnalysis]: Checked inductivity of 376 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-10-13 13:22:41,422 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 13:22:41,490 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:22:41,490 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [280140683] [2024-10-13 13:22:41,490 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-13 13:22:41,490 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2139604020] [2024-10-13 13:22:41,490 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2139604020] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 13:22:41,490 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-13 13:22:41,491 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2024-10-13 13:22:41,491 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1784236702] [2024-10-13 13:22:41,491 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-13 13:22:41,491 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-13 13:22:41,491 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:22:41,492 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-13 13:22:41,492 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-10-13 13:22:41,492 INFO L87 Difference]: Start difference. First operand 598 states and 735 transitions. Second operand has 5 states, 4 states have (on average 36.0) internal successors, (144), 5 states have internal predecessors, (144), 3 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2024-10-13 13:22:41,662 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:22:41,662 INFO L93 Difference]: Finished difference Result 685 states and 759 transitions. [2024-10-13 13:22:41,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-13 13:22:41,663 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 36.0) internal successors, (144), 5 states have internal predecessors, (144), 3 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) Word has length 201 [2024-10-13 13:22:41,663 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:22:41,665 INFO L225 Difference]: With dead ends: 685 [2024-10-13 13:22:41,665 INFO L226 Difference]: Without dead ends: 684 [2024-10-13 13:22:41,666 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 242 GetRequests, 237 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-10-13 13:22:41,670 INFO L432 NwaCegarLoop]: 223 mSDtfsCounter, 185 mSDsluCounter, 470 mSDsCounter, 0 mSdLazyCounter, 119 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 193 SdHoareTripleChecker+Valid, 693 SdHoareTripleChecker+Invalid, 119 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 119 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-13 13:22:41,670 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [193 Valid, 693 Invalid, 119 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 119 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-13 13:22:41,671 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 684 states. [2024-10-13 13:22:41,689 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 684 to 598. [2024-10-13 13:22:41,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 598 states, 476 states have (on average 1.3949579831932772) internal successors, (664), 559 states have internal predecessors, (664), 35 states have call successors, (35), 5 states have call predecessors, (35), 5 states have return successors, (35), 33 states have call predecessors, (35), 35 states have call successors, (35) [2024-10-13 13:22:41,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 598 states to 598 states and 734 transitions. [2024-10-13 13:22:41,691 INFO L78 Accepts]: Start accepts. Automaton has 598 states and 734 transitions. Word has length 201 [2024-10-13 13:22:41,691 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:22:41,691 INFO L471 AbstractCegarLoop]: Abstraction has 598 states and 734 transitions. [2024-10-13 13:22:41,691 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 36.0) internal successors, (144), 5 states have internal predecessors, (144), 3 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2024-10-13 13:22:41,692 INFO L276 IsEmpty]: Start isEmpty. Operand 598 states and 734 transitions. [2024-10-13 13:22:41,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2024-10-13 13:22:41,692 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:22:41,693 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1] [2024-10-13 13:22:41,710 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Forceful destruction successful, exit code 0 [2024-10-13 13:22:41,896 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 25 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable35 [2024-10-13 13:22:41,897 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2024-10-13 13:22:41,897 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:22:41,897 INFO L85 PathProgramCache]: Analyzing trace with hash 2113204364, now seen corresponding path program 2 times [2024-10-13 13:22:41,897 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:22:41,897 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [322909737] [2024-10-13 13:22:41,897 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:22:41,897 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:22:41,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-13 13:22:41,923 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [237488592] [2024-10-13 13:22:41,923 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-13 13:22:41,923 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:22:41,923 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:22:41,925 INFO L229 MonitoredProcess]: Starting monitored process 26 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 13:22:41,927 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process [2024-10-13 13:22:42,013 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-13 13:22:42,013 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-13 13:22:42,017 INFO L255 TraceCheckSpWp]: Trace formula consists of 317 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-10-13 13:22:42,020 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:22:42,594 INFO L134 CoverageAnalysis]: Checked inductivity of 430 backedges. 0 proven. 118 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-10-13 13:22:42,594 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 13:22:43,957 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:22:43,957 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [322909737] [2024-10-13 13:22:43,957 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-13 13:22:43,958 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [237488592] [2024-10-13 13:22:43,958 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [237488592] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 13:22:43,958 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-13 13:22:43,958 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2024-10-13 13:22:43,958 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [631452668] [2024-10-13 13:22:43,958 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-13 13:22:43,958 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-13 13:22:43,958 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:22:43,959 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-13 13:22:43,959 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=87, Unknown=0, NotChecked=0, Total=132 [2024-10-13 13:22:43,959 INFO L87 Difference]: Start difference. First operand 598 states and 734 transitions. Second operand has 9 states, 8 states have (on average 18.25) internal successors, (146), 9 states have internal predecessors, (146), 3 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2024-10-13 13:22:44,938 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:22:44,938 INFO L93 Difference]: Finished difference Result 640 states and 758 transitions. [2024-10-13 13:22:44,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-13 13:22:44,939 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 18.25) internal successors, (146), 9 states have internal predecessors, (146), 3 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) Word has length 208 [2024-10-13 13:22:44,939 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:22:44,941 INFO L225 Difference]: With dead ends: 640 [2024-10-13 13:22:44,941 INFO L226 Difference]: Without dead ends: 618 [2024-10-13 13:22:44,941 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 256 GetRequests, 246 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=45, Invalid=87, Unknown=0, NotChecked=0, Total=132 [2024-10-13 13:22:44,942 INFO L432 NwaCegarLoop]: 137 mSDtfsCounter, 121 mSDsluCounter, 440 mSDsCounter, 0 mSdLazyCounter, 1877 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 128 SdHoareTripleChecker+Valid, 577 SdHoareTripleChecker+Invalid, 1898 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 1877 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-10-13 13:22:44,942 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [128 Valid, 577 Invalid, 1898 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 1877 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-10-13 13:22:44,943 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 618 states. [2024-10-13 13:22:44,961 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 618 to 606. [2024-10-13 13:22:44,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 606 states, 484 states have (on average 1.3491735537190082) internal successors, (653), 566 states have internal predecessors, (653), 35 states have call successors, (35), 5 states have call predecessors, (35), 5 states have return successors, (35), 34 states have call predecessors, (35), 35 states have call successors, (35) [2024-10-13 13:22:44,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 606 states to 606 states and 723 transitions. [2024-10-13 13:22:44,963 INFO L78 Accepts]: Start accepts. Automaton has 606 states and 723 transitions. Word has length 208 [2024-10-13 13:22:44,963 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:22:44,963 INFO L471 AbstractCegarLoop]: Abstraction has 606 states and 723 transitions. [2024-10-13 13:22:44,963 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 18.25) internal successors, (146), 9 states have internal predecessors, (146), 3 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2024-10-13 13:22:44,963 INFO L276 IsEmpty]: Start isEmpty. Operand 606 states and 723 transitions. [2024-10-13 13:22:44,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2024-10-13 13:22:44,964 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:22:44,964 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1] [2024-10-13 13:22:44,981 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Forceful destruction successful, exit code 0 [2024-10-13 13:22:45,165 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable36 [2024-10-13 13:22:45,165 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2024-10-13 13:22:45,165 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:22:45,166 INFO L85 PathProgramCache]: Analyzing trace with hash 1084825935, now seen corresponding path program 2 times [2024-10-13 13:22:45,166 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:22:45,166 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [776366785] [2024-10-13 13:22:45,166 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:22:45,166 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:22:45,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:22:45,356 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-13 13:22:45,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:22:45,359 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 13:22:45,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:22:45,362 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-13 13:22:45,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:22:45,367 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-10-13 13:22:45,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:22:45,370 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-13 13:22:45,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:22:45,374 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-10-13 13:22:45,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:22:45,376 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-13 13:22:45,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:22:45,378 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-13 13:22:45,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:22:45,380 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-10-13 13:22:45,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:22:45,382 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-10-13 13:22:45,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:22:45,383 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-10-13 13:22:45,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:22:45,385 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-10-13 13:22:45,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:22:45,387 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-10-13 13:22:45,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:22:45,392 INFO L134 CoverageAnalysis]: Checked inductivity of 432 backedges. 0 proven. 120 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-10-13 13:22:45,392 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:22:45,392 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [776366785] [2024-10-13 13:22:45,392 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [776366785] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 13:22:45,393 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [844280317] [2024-10-13 13:22:45,393 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-13 13:22:45,393 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:22:45,393 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:22:45,394 INFO L229 MonitoredProcess]: Starting monitored process 27 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 13:22:45,396 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Waiting until timeout for monitored process [2024-10-13 13:22:45,471 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-13 13:22:45,471 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-13 13:22:45,472 INFO L255 TraceCheckSpWp]: Trace formula consists of 318 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-10-13 13:22:45,474 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:22:45,895 INFO L134 CoverageAnalysis]: Checked inductivity of 432 backedges. 0 proven. 120 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-10-13 13:22:45,895 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 13:22:46,126 INFO L134 CoverageAnalysis]: Checked inductivity of 432 backedges. 0 proven. 120 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-10-13 13:22:46,126 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [844280317] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-13 13:22:46,126 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-13 13:22:46,126 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 12 [2024-10-13 13:22:46,126 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1624317907] [2024-10-13 13:22:46,126 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-13 13:22:46,127 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-10-13 13:22:46,127 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:22:46,128 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-10-13 13:22:46,128 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=112, Unknown=0, NotChecked=0, Total=156 [2024-10-13 13:22:46,128 INFO L87 Difference]: Start difference. First operand 606 states and 723 transitions. Second operand has 13 states, 12 states have (on average 33.833333333333336) internal successors, (406), 13 states have internal predecessors, (406), 8 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 8 states have call predecessors, (36), 8 states have call successors, (36) [2024-10-13 13:22:48,276 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:22:48,276 INFO L93 Difference]: Finished difference Result 606 states and 723 transitions. [2024-10-13 13:22:48,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-13 13:22:48,276 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 33.833333333333336) internal successors, (406), 13 states have internal predecessors, (406), 8 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 8 states have call predecessors, (36), 8 states have call successors, (36) Word has length 209 [2024-10-13 13:22:48,277 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:22:48,278 INFO L225 Difference]: With dead ends: 606 [2024-10-13 13:22:48,278 INFO L226 Difference]: Without dead ends: 599 [2024-10-13 13:22:48,278 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 451 GetRequests, 435 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=95, Invalid=211, Unknown=0, NotChecked=0, Total=306 [2024-10-13 13:22:48,278 INFO L432 NwaCegarLoop]: 130 mSDtfsCounter, 432 mSDsluCounter, 451 mSDsCounter, 0 mSdLazyCounter, 1228 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 432 SdHoareTripleChecker+Valid, 581 SdHoareTripleChecker+Invalid, 1260 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 1228 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2024-10-13 13:22:48,279 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [432 Valid, 581 Invalid, 1260 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 1228 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2024-10-13 13:22:48,279 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 599 states. [2024-10-13 13:22:48,298 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 599 to 599. [2024-10-13 13:22:48,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 599 states, 484 states have (on average 1.322314049586777) internal successors, (640), 559 states have internal predecessors, (640), 35 states have call successors, (35), 5 states have call predecessors, (35), 5 states have return successors, (35), 34 states have call predecessors, (35), 35 states have call successors, (35) [2024-10-13 13:22:48,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 599 states to 599 states and 710 transitions. [2024-10-13 13:22:48,299 INFO L78 Accepts]: Start accepts. Automaton has 599 states and 710 transitions. Word has length 209 [2024-10-13 13:22:48,299 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:22:48,299 INFO L471 AbstractCegarLoop]: Abstraction has 599 states and 710 transitions. [2024-10-13 13:22:48,300 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 33.833333333333336) internal successors, (406), 13 states have internal predecessors, (406), 8 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 8 states have call predecessors, (36), 8 states have call successors, (36) [2024-10-13 13:22:48,300 INFO L276 IsEmpty]: Start isEmpty. Operand 599 states and 710 transitions. [2024-10-13 13:22:48,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2024-10-13 13:22:48,301 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:22:48,301 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1] [2024-10-13 13:22:48,317 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Forceful destruction successful, exit code 0 [2024-10-13 13:22:48,502 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable37 [2024-10-13 13:22:48,502 INFO L396 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2024-10-13 13:22:48,502 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:22:48,502 INFO L85 PathProgramCache]: Analyzing trace with hash -730134290, now seen corresponding path program 2 times [2024-10-13 13:22:48,502 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:22:48,502 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1775720954] [2024-10-13 13:22:48,503 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:22:48,503 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:22:48,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:22:48,666 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-13 13:22:48,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:22:48,669 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 13:22:48,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:22:48,673 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-13 13:22:48,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:22:48,677 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-10-13 13:22:48,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:22:48,680 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-13 13:22:48,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:22:48,684 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-10-13 13:22:48,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:22:48,687 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-13 13:22:48,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:22:48,689 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-13 13:22:48,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:22:48,692 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-10-13 13:22:48,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:22:48,694 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-10-13 13:22:48,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:22:48,695 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-10-13 13:22:48,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:22:48,698 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-10-13 13:22:48,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:22:48,699 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-10-13 13:22:48,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:22:48,701 INFO L134 CoverageAnalysis]: Checked inductivity of 434 backedges. 0 proven. 122 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-10-13 13:22:48,702 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:22:48,702 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1775720954] [2024-10-13 13:22:48,702 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1775720954] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 13:22:48,702 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1714009103] [2024-10-13 13:22:48,702 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-13 13:22:48,702 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:22:48,703 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:22:48,704 INFO L229 MonitoredProcess]: Starting monitored process 28 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 13:22:48,705 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Waiting until timeout for monitored process [2024-10-13 13:22:48,778 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-13 13:22:48,778 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-13 13:22:48,779 INFO L255 TraceCheckSpWp]: Trace formula consists of 319 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-10-13 13:22:48,781 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:22:49,236 INFO L134 CoverageAnalysis]: Checked inductivity of 434 backedges. 0 proven. 122 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-10-13 13:22:49,237 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 13:22:49,460 INFO L134 CoverageAnalysis]: Checked inductivity of 434 backedges. 0 proven. 122 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-10-13 13:22:49,460 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1714009103] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-13 13:22:49,460 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-13 13:22:49,461 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 12 [2024-10-13 13:22:49,461 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [77639260] [2024-10-13 13:22:49,461 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-13 13:22:49,461 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-10-13 13:22:49,461 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:22:49,462 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-10-13 13:22:49,462 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=101, Unknown=0, NotChecked=0, Total=156 [2024-10-13 13:22:49,462 INFO L87 Difference]: Start difference. First operand 599 states and 710 transitions. Second operand has 13 states, 12 states have (on average 34.0) internal successors, (408), 13 states have internal predecessors, (408), 8 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 8 states have call predecessors, (36), 8 states have call successors, (36) [2024-10-13 13:22:51,156 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:22:51,157 INFO L93 Difference]: Finished difference Result 659 states and 755 transitions. [2024-10-13 13:22:51,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-13 13:22:51,157 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 34.0) internal successors, (408), 13 states have internal predecessors, (408), 8 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 8 states have call predecessors, (36), 8 states have call successors, (36) Word has length 210 [2024-10-13 13:22:51,157 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:22:51,159 INFO L225 Difference]: With dead ends: 659 [2024-10-13 13:22:51,159 INFO L226 Difference]: Without dead ends: 657 [2024-10-13 13:22:51,159 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 452 GetRequests, 437 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=103, Invalid=169, Unknown=0, NotChecked=0, Total=272 [2024-10-13 13:22:51,160 INFO L432 NwaCegarLoop]: 104 mSDtfsCounter, 376 mSDsluCounter, 680 mSDsCounter, 0 mSdLazyCounter, 1445 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 383 SdHoareTripleChecker+Valid, 784 SdHoareTripleChecker+Invalid, 1466 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 1445 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2024-10-13 13:22:51,160 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [383 Valid, 784 Invalid, 1466 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 1445 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-10-13 13:22:51,161 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 657 states. [2024-10-13 13:22:51,181 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 657 to 624. [2024-10-13 13:22:51,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 624 states, 506 states have (on average 1.3102766798418972) internal successors, (663), 581 states have internal predecessors, (663), 38 states have call successors, (38), 5 states have call predecessors, (38), 5 states have return successors, (38), 37 states have call predecessors, (38), 38 states have call successors, (38) [2024-10-13 13:22:51,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 624 states to 624 states and 739 transitions. [2024-10-13 13:22:51,183 INFO L78 Accepts]: Start accepts. Automaton has 624 states and 739 transitions. Word has length 210 [2024-10-13 13:22:51,183 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:22:51,183 INFO L471 AbstractCegarLoop]: Abstraction has 624 states and 739 transitions. [2024-10-13 13:22:51,184 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 34.0) internal successors, (408), 13 states have internal predecessors, (408), 8 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 8 states have call predecessors, (36), 8 states have call successors, (36) [2024-10-13 13:22:51,184 INFO L276 IsEmpty]: Start isEmpty. Operand 624 states and 739 transitions. [2024-10-13 13:22:51,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2024-10-13 13:22:51,185 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:22:51,185 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1] [2024-10-13 13:22:51,197 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Forceful destruction successful, exit code 0 [2024-10-13 13:22:51,386 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 28 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable38 [2024-10-13 13:22:51,386 INFO L396 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2024-10-13 13:22:51,386 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:22:51,386 INFO L85 PathProgramCache]: Analyzing trace with hash -1579380400, now seen corresponding path program 1 times [2024-10-13 13:22:51,386 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:22:51,386 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [432867161] [2024-10-13 13:22:51,387 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:22:51,387 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:22:51,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:22:51,600 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-13 13:22:51,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:22:51,603 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 13:22:51,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:22:51,606 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-13 13:22:51,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:22:51,609 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-10-13 13:22:51,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:22:51,612 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-13 13:22:51,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:22:51,615 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-10-13 13:22:51,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:22:51,617 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-13 13:22:51,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:22:51,619 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-13 13:22:51,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:22:51,620 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-10-13 13:22:51,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:22:51,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-10-13 13:22:51,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:22:51,624 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-10-13 13:22:51,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:22:51,625 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-10-13 13:22:51,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:22:51,627 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-10-13 13:22:51,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:22:51,629 INFO L134 CoverageAnalysis]: Checked inductivity of 438 backedges. 0 proven. 126 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-10-13 13:22:51,629 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:22:51,630 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [432867161] [2024-10-13 13:22:51,630 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [432867161] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 13:22:51,630 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [276938259] [2024-10-13 13:22:51,630 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:22:51,630 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:22:51,630 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:22:51,632 INFO L229 MonitoredProcess]: Starting monitored process 29 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 13:22:51,633 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Waiting until timeout for monitored process [2024-10-13 13:22:51,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:22:51,707 INFO L255 TraceCheckSpWp]: Trace formula consists of 321 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-10-13 13:22:51,709 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:22:52,134 INFO L134 CoverageAnalysis]: Checked inductivity of 438 backedges. 0 proven. 126 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-10-13 13:22:52,134 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 13:22:56,418 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [276938259] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 13:22:56,418 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-10-13 13:22:56,418 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2024-10-13 13:22:56,418 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [259683337] [2024-10-13 13:22:56,418 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-10-13 13:22:56,418 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-13 13:22:56,419 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:22:56,419 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-13 13:22:56,419 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=119, Unknown=1, NotChecked=0, Total=156 [2024-10-13 13:22:56,419 INFO L87 Difference]: Start difference. First operand 624 states and 739 transitions. Second operand has 11 states, 10 states have (on average 27.0) internal successors, (270), 11 states have internal predecessors, (270), 5 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 5 states have call predecessors, (23), 5 states have call successors, (23) [2024-10-13 13:23:03,061 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:23:03,061 INFO L93 Difference]: Finished difference Result 631 states and 742 transitions. [2024-10-13 13:23:03,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-13 13:23:03,061 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 27.0) internal successors, (270), 11 states have internal predecessors, (270), 5 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 5 states have call predecessors, (23), 5 states have call successors, (23) Word has length 212 [2024-10-13 13:23:03,062 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:23:03,063 INFO L225 Difference]: With dead ends: 631 [2024-10-13 13:23:03,063 INFO L226 Difference]: Without dead ends: 619 [2024-10-13 13:23:03,063 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 257 GetRequests, 238 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 4.4s TimeCoverageRelationStatistics Valid=112, Invalid=307, Unknown=1, NotChecked=0, Total=420 [2024-10-13 13:23:03,064 INFO L432 NwaCegarLoop]: 130 mSDtfsCounter, 767 mSDsluCounter, 590 mSDsCounter, 0 mSdLazyCounter, 1553 mSolverCounterSat, 67 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 767 SdHoareTripleChecker+Valid, 720 SdHoareTripleChecker+Invalid, 1620 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 67 IncrementalHoareTripleChecker+Valid, 1553 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.5s IncrementalHoareTripleChecker+Time [2024-10-13 13:23:03,064 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [767 Valid, 720 Invalid, 1620 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [67 Valid, 1553 Invalid, 0 Unknown, 0 Unchecked, 6.5s Time] [2024-10-13 13:23:03,064 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 619 states. [2024-10-13 13:23:03,083 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 619 to 619. [2024-10-13 13:23:03,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 619 states, 508 states have (on average 1.281496062992126) internal successors, (651), 575 states have internal predecessors, (651), 38 states have call successors, (38), 5 states have call predecessors, (38), 5 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) [2024-10-13 13:23:03,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 619 states to 619 states and 727 transitions. [2024-10-13 13:23:03,085 INFO L78 Accepts]: Start accepts. Automaton has 619 states and 727 transitions. Word has length 212 [2024-10-13 13:23:03,086 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:23:03,086 INFO L471 AbstractCegarLoop]: Abstraction has 619 states and 727 transitions. [2024-10-13 13:23:03,086 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 27.0) internal successors, (270), 11 states have internal predecessors, (270), 5 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 5 states have call predecessors, (23), 5 states have call successors, (23) [2024-10-13 13:23:03,086 INFO L276 IsEmpty]: Start isEmpty. Operand 619 states and 727 transitions. [2024-10-13 13:23:03,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2024-10-13 13:23:03,087 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:23:03,087 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1] [2024-10-13 13:23:03,106 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Ended with exit code 0 [2024-10-13 13:23:03,288 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 29 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable39 [2024-10-13 13:23:03,288 INFO L396 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2024-10-13 13:23:03,288 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:23:03,288 INFO L85 PathProgramCache]: Analyzing trace with hash 45329653, now seen corresponding path program 1 times [2024-10-13 13:23:03,288 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:23:03,289 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [542860683] [2024-10-13 13:23:03,289 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:23:03,289 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:23:03,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-13 13:23:03,312 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1312554081] [2024-10-13 13:23:03,312 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:23:03,312 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:23:03,313 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:23:03,314 INFO L229 MonitoredProcess]: Starting monitored process 30 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 13:23:03,316 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Waiting until timeout for monitored process [2024-10-13 13:23:03,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:23:03,388 INFO L255 TraceCheckSpWp]: Trace formula consists of 324 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-10-13 13:23:03,390 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:23:03,952 INFO L134 CoverageAnalysis]: Checked inductivity of 444 backedges. 0 proven. 132 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-10-13 13:23:03,952 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 13:23:04,558 INFO L134 CoverageAnalysis]: Checked inductivity of 444 backedges. 0 proven. 132 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-10-13 13:23:04,558 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:23:04,558 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [542860683] [2024-10-13 13:23:04,558 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-13 13:23:04,558 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1312554081] [2024-10-13 13:23:04,558 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1312554081] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-13 13:23:04,558 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-10-13 13:23:04,558 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 15 [2024-10-13 13:23:04,559 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1587828082] [2024-10-13 13:23:04,559 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-10-13 13:23:04,559 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-10-13 13:23:04,559 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:23:04,560 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-10-13 13:23:04,560 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=162, Unknown=0, NotChecked=0, Total=240 [2024-10-13 13:23:04,560 INFO L87 Difference]: Start difference. First operand 619 states and 727 transitions. Second operand has 16 states, 15 states have (on average 20.2) internal successors, (303), 16 states have internal predecessors, (303), 6 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 6 states have call predecessors, (26), 6 states have call successors, (26) [2024-10-13 13:23:06,098 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers []