./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/nla-digbench-scaling/cohendiv-ll_valuebound50.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 023d838f Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/nla-digbench-scaling/cohendiv-ll_valuebound50.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 d97e16340b134520fbcd52e88b56205e8eec0d97e940a97449195072afa1eb85 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-10 19:03:26,334 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-10 19:03:26,403 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-10 19:03:26,406 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-10 19:03:26,407 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-10 19:03:26,426 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-10 19:03:26,427 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-10 19:03:26,428 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-10 19:03:26,428 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-10 19:03:26,432 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-10 19:03:26,432 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-10 19:03:26,432 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-10 19:03:26,433 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-10 19:03:26,433 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-10 19:03:26,433 INFO L153 SettingsManager]: * Use SBE=true [2024-11-10 19:03:26,434 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-10 19:03:26,434 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-10 19:03:26,434 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-10 19:03:26,434 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-10 19:03:26,435 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-10 19:03:26,435 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-10 19:03:26,438 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-10 19:03:26,438 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-10 19:03:26,438 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-10 19:03:26,439 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-10 19:03:26,439 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-10 19:03:26,439 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-10 19:03:26,439 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-10 19:03:26,440 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-10 19:03:26,440 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-10 19:03:26,441 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-10 19:03:26,441 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-10 19:03:26,441 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-10 19:03:26,441 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-10 19:03:26,442 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 19:03:26,442 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-10 19:03:26,442 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-10 19:03:26,442 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-10 19:03:26,443 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-10 19:03:26,443 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-10 19:03:26,443 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-10 19:03:26,444 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-10 19:03:26,444 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-10 19:03:26,444 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-10 19:03:26,444 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d97e16340b134520fbcd52e88b56205e8eec0d97e940a97449195072afa1eb85 [2024-11-10 19:03:26,704 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-10 19:03:26,729 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-10 19:03:26,733 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-10 19:03:26,734 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-10 19:03:26,735 INFO L274 PluginConnector]: CDTParser initialized [2024-11-10 19:03:26,736 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench-scaling/cohendiv-ll_valuebound50.c [2024-11-10 19:03:28,217 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-10 19:03:28,394 INFO L384 CDTParser]: Found 1 translation units. [2024-11-10 19:03:28,395 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/cohendiv-ll_valuebound50.c [2024-11-10 19:03:28,405 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bc4dfe871/20f1f8fba5fc4eb7b76daf6dae2b429a/FLAGdd09f2adc [2024-11-10 19:03:28,422 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bc4dfe871/20f1f8fba5fc4eb7b76daf6dae2b429a [2024-11-10 19:03:28,428 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-10 19:03:28,430 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-10 19:03:28,431 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-10 19:03:28,431 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-10 19:03:28,437 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-10 19:03:28,438 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 07:03:28" (1/1) ... [2024-11-10 19:03:28,441 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@75876e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:03:28, skipping insertion in model container [2024-11-10 19:03:28,441 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 07:03:28" (1/1) ... [2024-11-10 19:03:28,461 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 19:03:28,681 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 19:03:28,693 INFO L200 MainTranslator]: Completed pre-run [2024-11-10 19:03:28,711 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 19:03:28,723 INFO L204 MainTranslator]: Completed translation [2024-11-10 19:03:28,724 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:03:28 WrapperNode [2024-11-10 19:03:28,724 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-10 19:03:28,725 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-10 19:03:28,725 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-10 19:03:28,725 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-10 19:03:28,730 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:03:28" (1/1) ... [2024-11-10 19:03:28,735 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:03:28" (1/1) ... [2024-11-10 19:03:28,751 INFO L138 Inliner]: procedures = 14, calls = 18, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 91 [2024-11-10 19:03:28,751 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-10 19:03:28,752 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-10 19:03:28,752 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-10 19:03:28,752 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-10 19:03:28,761 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:03:28" (1/1) ... [2024-11-10 19:03:28,762 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:03:28" (1/1) ... [2024-11-10 19:03:28,763 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:03:28" (1/1) ... [2024-11-10 19:03:28,774 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-10 19:03:28,774 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:03:28" (1/1) ... [2024-11-10 19:03:28,775 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:03:28" (1/1) ... [2024-11-10 19:03:28,778 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:03:28" (1/1) ... [2024-11-10 19:03:28,778 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:03:28" (1/1) ... [2024-11-10 19:03:28,779 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:03:28" (1/1) ... [2024-11-10 19:03:28,780 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:03:28" (1/1) ... [2024-11-10 19:03:28,781 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-10 19:03:28,782 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-10 19:03:28,782 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-10 19:03:28,782 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-10 19:03:28,783 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:03:28" (1/1) ... [2024-11-10 19:03:28,789 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 19:03:28,805 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:03:28,822 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-10 19:03:28,825 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-10 19:03:28,873 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-10 19:03:28,874 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-10 19:03:28,874 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-10 19:03:28,874 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-10 19:03:28,874 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-10 19:03:28,874 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-10 19:03:28,874 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-10 19:03:28,875 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-10 19:03:28,939 INFO L256 CfgBuilder]: Building ICFG [2024-11-10 19:03:28,943 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-10 19:03:29,224 INFO L? ?]: Removed 63 outVars from TransFormulas that were not future-live. [2024-11-10 19:03:29,224 INFO L307 CfgBuilder]: Performing block encoding [2024-11-10 19:03:29,247 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-10 19:03:29,247 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-10 19:03:29,248 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 07:03:29 BoogieIcfgContainer [2024-11-10 19:03:29,248 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-10 19:03:29,250 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-10 19:03:29,250 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-10 19:03:29,253 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-10 19:03:29,253 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 07:03:28" (1/3) ... [2024-11-10 19:03:29,254 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f7599d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 07:03:29, skipping insertion in model container [2024-11-10 19:03:29,254 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:03:28" (2/3) ... [2024-11-10 19:03:29,254 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f7599d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 07:03:29, skipping insertion in model container [2024-11-10 19:03:29,254 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 07:03:29" (3/3) ... [2024-11-10 19:03:29,256 INFO L112 eAbstractionObserver]: Analyzing ICFG cohendiv-ll_valuebound50.c [2024-11-10 19:03:29,269 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-10 19:03:29,270 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 30 error locations. [2024-11-10 19:03:29,324 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-10 19:03:29,329 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;@76a1fcda, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-10 19:03:29,330 INFO L334 AbstractCegarLoop]: Starting to check reachability of 30 error locations. [2024-11-10 19:03:29,334 INFO L276 IsEmpty]: Start isEmpty. Operand has 98 states, 55 states have (on average 1.690909090909091) internal successors, (93), 85 states have internal predecessors, (93), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-10 19:03:29,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-10 19:03:29,340 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:03:29,341 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:03:29,341 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-10 19:03:29,345 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:03:29,346 INFO L85 PathProgramCache]: Analyzing trace with hash -1835390679, now seen corresponding path program 1 times [2024-11-10 19:03:29,353 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:03:29,354 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [11340603] [2024-11-10 19:03:29,354 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:03:29,354 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:03:29,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:29,486 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 19:03:29,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:29,495 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-10 19:03:29,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:29,503 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-10 19:03:29,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:29,510 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-10 19:03:29,510 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:03:29,511 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [11340603] [2024-11-10 19:03:29,511 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [11340603] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:03:29,511 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:03:29,512 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 19:03:29,513 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [771041405] [2024-11-10 19:03:29,513 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:03:29,516 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-10 19:03:29,516 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:03:29,540 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-10 19:03:29,540 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-10 19:03:29,543 INFO L87 Difference]: Start difference. First operand has 98 states, 55 states have (on average 1.690909090909091) internal successors, (93), 85 states have internal predecessors, (93), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) Second operand has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-10 19:03:29,578 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:03:29,579 INFO L93 Difference]: Finished difference Result 192 states and 231 transitions. [2024-11-10 19:03:29,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-10 19:03:29,581 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) Word has length 21 [2024-11-10 19:03:29,582 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:03:29,591 INFO L225 Difference]: With dead ends: 192 [2024-11-10 19:03:29,591 INFO L226 Difference]: Without dead ends: 91 [2024-11-10 19:03:29,596 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-10 19:03:29,601 INFO L432 NwaCegarLoop]: 106 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 106 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 19:03:29,602 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 106 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 19:03:29,618 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2024-11-10 19:03:29,646 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 91. [2024-11-10 19:03:29,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 91 states, 50 states have (on average 1.62) internal successors, (81), 79 states have internal predecessors, (81), 9 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-10 19:03:29,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 99 transitions. [2024-11-10 19:03:29,654 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 99 transitions. Word has length 21 [2024-11-10 19:03:29,654 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:03:29,655 INFO L471 AbstractCegarLoop]: Abstraction has 91 states and 99 transitions. [2024-11-10 19:03:29,655 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-10 19:03:29,655 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 99 transitions. [2024-11-10 19:03:29,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-10 19:03:29,658 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:03:29,658 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:03:29,658 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-10 19:03:29,659 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-10 19:03:29,659 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:03:29,659 INFO L85 PathProgramCache]: Analyzing trace with hash -1043020738, now seen corresponding path program 1 times [2024-11-10 19:03:29,659 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:03:29,660 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2134200536] [2024-11-10 19:03:29,660 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:03:29,660 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:03:29,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:03:29,707 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [907946773] [2024-11-10 19:03:29,709 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:03:29,709 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:03:29,709 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:03:29,711 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:03:29,712 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-10 19:03:29,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:29,774 INFO L255 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-10 19:03:29,779 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:03:29,813 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-10 19:03:29,814 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 19:03:29,814 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:03:29,814 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2134200536] [2024-11-10 19:03:29,815 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:03:29,815 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [907946773] [2024-11-10 19:03:29,815 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [907946773] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:03:29,815 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:03:29,816 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 19:03:29,817 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [471903971] [2024-11-10 19:03:29,818 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:03:29,820 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 19:03:29,820 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:03:29,821 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 19:03:29,821 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 19:03:29,822 INFO L87 Difference]: Start difference. First operand 91 states and 99 transitions. Second operand has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 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) [2024-11-10 19:03:29,959 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:03:29,959 INFO L93 Difference]: Finished difference Result 116 states and 126 transitions. [2024-11-10 19:03:29,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 19:03:29,960 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 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 22 [2024-11-10 19:03:29,960 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:03:29,961 INFO L225 Difference]: With dead ends: 116 [2024-11-10 19:03:29,962 INFO L226 Difference]: Without dead ends: 114 [2024-11-10 19:03:29,962 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 19:03:29,963 INFO L432 NwaCegarLoop]: 97 mSDtfsCounter, 18 mSDsluCounter, 74 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 171 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 19:03:29,964 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 171 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 19:03:29,965 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2024-11-10 19:03:29,975 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 95. [2024-11-10 19:03:29,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 95 states, 54 states have (on average 1.5740740740740742) internal successors, (85), 83 states have internal predecessors, (85), 9 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-10 19:03:29,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 103 transitions. [2024-11-10 19:03:29,979 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 103 transitions. Word has length 22 [2024-11-10 19:03:29,979 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:03:29,979 INFO L471 AbstractCegarLoop]: Abstraction has 95 states and 103 transitions. [2024-11-10 19:03:29,979 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 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) [2024-11-10 19:03:29,979 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 103 transitions. [2024-11-10 19:03:29,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-10 19:03:29,980 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:03:29,980 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] [2024-11-10 19:03:29,993 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-10 19:03:30,181 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:03:30,182 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-10 19:03:30,183 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:03:30,183 INFO L85 PathProgramCache]: Analyzing trace with hash -974732738, now seen corresponding path program 1 times [2024-11-10 19:03:30,183 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:03:30,183 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1313236524] [2024-11-10 19:03:30,183 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:03:30,183 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:03:30,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:03:30,221 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1535046971] [2024-11-10 19:03:30,222 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:03:30,222 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:03:30,222 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:03:30,224 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:03:30,226 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-10 19:03:30,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:30,277 INFO L255 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-10 19:03:30,278 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:03:30,321 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-10 19:03:30,322 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 19:03:30,322 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:03:30,323 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1313236524] [2024-11-10 19:03:30,326 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:03:30,326 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1535046971] [2024-11-10 19:03:30,326 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1535046971] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:03:30,326 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:03:30,327 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 19:03:30,327 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2010575070] [2024-11-10 19:03:30,327 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:03:30,328 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 19:03:30,328 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:03:30,328 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 19:03:30,329 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 19:03:30,329 INFO L87 Difference]: Start difference. First operand 95 states and 103 transitions. Second operand has 3 states, 2 states have (on average 7.5) internal successors, (15), 3 states have internal predecessors, (15), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-10 19:03:30,461 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:03:30,462 INFO L93 Difference]: Finished difference Result 157 states and 180 transitions. [2024-11-10 19:03:30,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 19:03:30,463 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 7.5) internal successors, (15), 3 states have internal predecessors, (15), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 29 [2024-11-10 19:03:30,463 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:03:30,464 INFO L225 Difference]: With dead ends: 157 [2024-11-10 19:03:30,464 INFO L226 Difference]: Without dead ends: 151 [2024-11-10 19:03:30,465 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 19:03:30,466 INFO L432 NwaCegarLoop]: 77 mSDtfsCounter, 50 mSDsluCounter, 69 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 55 SdHoareTripleChecker+Valid, 146 SdHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 19:03:30,467 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [55 Valid, 146 Invalid, 56 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 19:03:30,468 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 151 states. [2024-11-10 19:03:30,477 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 151 to 129. [2024-11-10 19:03:30,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 129 states, 82 states have (on average 1.5975609756097562) internal successors, (131), 111 states have internal predecessors, (131), 15 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-11-10 19:03:30,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 129 states and 161 transitions. [2024-11-10 19:03:30,480 INFO L78 Accepts]: Start accepts. Automaton has 129 states and 161 transitions. Word has length 29 [2024-11-10 19:03:30,480 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:03:30,480 INFO L471 AbstractCegarLoop]: Abstraction has 129 states and 161 transitions. [2024-11-10 19:03:30,481 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 7.5) internal successors, (15), 3 states have internal predecessors, (15), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-10 19:03:30,481 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 161 transitions. [2024-11-10 19:03:30,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-10 19:03:30,482 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:03:30,482 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] [2024-11-10 19:03:30,499 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-10 19:03:30,686 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2024-11-10 19:03:30,687 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-10 19:03:30,688 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:03:30,688 INFO L85 PathProgramCache]: Analyzing trace with hash -415289252, now seen corresponding path program 1 times [2024-11-10 19:03:30,688 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:03:30,688 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [65837249] [2024-11-10 19:03:30,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:03:30,689 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:03:30,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:30,904 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 19:03:30,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:30,967 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-10 19:03:30,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:30,985 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-10 19:03:30,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:31,001 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-10 19:03:31,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:31,017 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-10 19:03:31,018 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:03:31,019 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [65837249] [2024-11-10 19:03:31,019 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [65837249] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:03:31,020 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [544368478] [2024-11-10 19:03:31,020 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:03:31,020 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:03:31,020 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:03:31,024 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:03:31,025 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-10 19:03:31,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:31,085 INFO L255 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-10 19:03:31,087 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:03:31,199 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-10 19:03:31,199 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 19:03:31,199 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [544368478] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:03:31,199 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-10 19:03:31,200 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2024-11-10 19:03:31,200 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [807838155] [2024-11-10 19:03:31,200 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:03:31,200 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 19:03:31,200 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:03:31,201 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 19:03:31,201 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-11-10 19:03:31,201 INFO L87 Difference]: Start difference. First operand 129 states and 161 transitions. Second operand has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-10 19:03:31,367 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:03:31,368 INFO L93 Difference]: Finished difference Result 149 states and 169 transitions. [2024-11-10 19:03:31,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 19:03:31,368 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 31 [2024-11-10 19:03:31,369 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:03:31,370 INFO L225 Difference]: With dead ends: 149 [2024-11-10 19:03:31,372 INFO L226 Difference]: Without dead ends: 146 [2024-11-10 19:03:31,372 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2024-11-10 19:03:31,373 INFO L432 NwaCegarLoop]: 75 mSDtfsCounter, 170 mSDsluCounter, 76 mSDsCounter, 0 mSdLazyCounter, 62 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 176 SdHoareTripleChecker+Valid, 151 SdHoareTripleChecker+Invalid, 75 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 62 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 19:03:31,373 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [176 Valid, 151 Invalid, 75 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 62 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 19:03:31,374 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146 states. [2024-11-10 19:03:31,390 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146 to 130. [2024-11-10 19:03:31,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 130 states, 83 states have (on average 1.5662650602409638) internal successors, (130), 112 states have internal predecessors, (130), 15 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-11-10 19:03:31,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 160 transitions. [2024-11-10 19:03:31,394 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 160 transitions. Word has length 31 [2024-11-10 19:03:31,394 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:03:31,394 INFO L471 AbstractCegarLoop]: Abstraction has 130 states and 160 transitions. [2024-11-10 19:03:31,394 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-10 19:03:31,397 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 160 transitions. [2024-11-10 19:03:31,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-10 19:03:31,398 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:03:31,398 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] [2024-11-10 19:03:31,415 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-10 19:03:31,598 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:03:31,599 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-10 19:03:31,600 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:03:31,600 INFO L85 PathProgramCache]: Analyzing trace with hash 10935117, now seen corresponding path program 1 times [2024-11-10 19:03:31,600 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:03:31,600 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1566685965] [2024-11-10 19:03:31,600 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:03:31,601 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:03:31,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:03:31,626 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1274595920] [2024-11-10 19:03:31,627 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:03:31,627 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:03:31,627 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:03:31,628 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:03:31,631 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-10 19:03:31,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:31,686 INFO L255 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-10 19:03:31,688 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:03:31,765 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-10 19:03:31,766 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 19:03:31,766 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:03:31,766 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1566685965] [2024-11-10 19:03:31,766 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:03:31,766 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1274595920] [2024-11-10 19:03:31,766 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1274595920] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:03:31,766 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:03:31,767 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 19:03:31,767 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1006397595] [2024-11-10 19:03:31,767 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:03:31,767 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 19:03:31,771 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:03:31,772 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 19:03:31,772 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 19:03:31,772 INFO L87 Difference]: Start difference. First operand 130 states and 160 transitions. Second operand has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-10 19:03:31,936 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:03:31,936 INFO L93 Difference]: Finished difference Result 149 states and 166 transitions. [2024-11-10 19:03:31,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 19:03:31,937 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 32 [2024-11-10 19:03:31,937 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:03:31,938 INFO L225 Difference]: With dead ends: 149 [2024-11-10 19:03:31,938 INFO L226 Difference]: Without dead ends: 142 [2024-11-10 19:03:31,939 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-10 19:03:31,940 INFO L432 NwaCegarLoop]: 78 mSDtfsCounter, 166 mSDsluCounter, 76 mSDsCounter, 0 mSdLazyCounter, 59 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 172 SdHoareTripleChecker+Valid, 154 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 59 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 19:03:31,940 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [172 Valid, 154 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 59 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 19:03:31,943 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states. [2024-11-10 19:03:31,963 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 127. [2024-11-10 19:03:31,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 127 states, 80 states have (on average 1.55) internal successors, (124), 109 states have internal predecessors, (124), 15 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-11-10 19:03:31,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 154 transitions. [2024-11-10 19:03:31,965 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 154 transitions. Word has length 32 [2024-11-10 19:03:31,966 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:03:31,966 INFO L471 AbstractCegarLoop]: Abstraction has 127 states and 154 transitions. [2024-11-10 19:03:31,966 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-10 19:03:31,966 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 154 transitions. [2024-11-10 19:03:31,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-11-10 19:03:31,967 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:03:31,967 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:03:31,983 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-10 19:03:32,168 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:03:32,168 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-10 19:03:32,168 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:03:32,169 INFO L85 PathProgramCache]: Analyzing trace with hash 411657548, now seen corresponding path program 1 times [2024-11-10 19:03:32,169 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:03:32,169 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1469853164] [2024-11-10 19:03:32,169 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:03:32,169 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:03:32,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:03:32,198 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2051656382] [2024-11-10 19:03:32,198 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:03:32,198 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:03:32,198 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:03:32,200 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:03:32,202 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-10 19:03:32,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:32,247 INFO L255 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-10 19:03:32,248 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:03:32,293 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-10 19:03:32,293 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 19:03:32,293 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:03:32,293 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1469853164] [2024-11-10 19:03:32,294 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:03:32,294 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2051656382] [2024-11-10 19:03:32,294 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2051656382] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:03:32,294 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:03:32,294 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 19:03:32,294 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [693694882] [2024-11-10 19:03:32,294 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:03:32,295 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 19:03:32,295 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:03:32,295 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 19:03:32,296 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-10 19:03:32,296 INFO L87 Difference]: Start difference. First operand 127 states and 154 transitions. Second operand has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-10 19:03:32,555 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:03:32,555 INFO L93 Difference]: Finished difference Result 201 states and 269 transitions. [2024-11-10 19:03:32,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 19:03:32,556 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 41 [2024-11-10 19:03:32,556 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:03:32,558 INFO L225 Difference]: With dead ends: 201 [2024-11-10 19:03:32,558 INFO L226 Difference]: Without dead ends: 196 [2024-11-10 19:03:32,558 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-10 19:03:32,559 INFO L432 NwaCegarLoop]: 56 mSDtfsCounter, 113 mSDsluCounter, 39 mSDsCounter, 0 mSdLazyCounter, 117 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 123 SdHoareTripleChecker+Valid, 95 SdHoareTripleChecker+Invalid, 125 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 117 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-10 19:03:32,559 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [123 Valid, 95 Invalid, 125 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 117 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-10 19:03:32,560 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 196 states. [2024-11-10 19:03:32,573 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 196 to 178. [2024-11-10 19:03:32,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 178 states, 123 states have (on average 1.5365853658536586) internal successors, (189), 152 states have internal predecessors, (189), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-10 19:03:32,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 178 states and 235 transitions. [2024-11-10 19:03:32,575 INFO L78 Accepts]: Start accepts. Automaton has 178 states and 235 transitions. Word has length 41 [2024-11-10 19:03:32,575 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:03:32,576 INFO L471 AbstractCegarLoop]: Abstraction has 178 states and 235 transitions. [2024-11-10 19:03:32,576 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-10 19:03:32,576 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 235 transitions. [2024-11-10 19:03:32,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-11-10 19:03:32,577 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:03:32,577 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:03:32,594 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-10 19:03:32,781 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:03:32,782 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-10 19:03:32,782 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:03:32,782 INFO L85 PathProgramCache]: Analyzing trace with hash -123517872, now seen corresponding path program 1 times [2024-11-10 19:03:32,782 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:03:32,783 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [957933827] [2024-11-10 19:03:32,783 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:03:32,783 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:03:32,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:03:32,803 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1764573961] [2024-11-10 19:03:32,803 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:03:32,803 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:03:32,803 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:03:32,808 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:03:32,809 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-10 19:03:32,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:32,847 INFO L255 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-10 19:03:32,849 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:03:32,909 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-10 19:03:32,909 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 19:03:32,910 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:03:32,910 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [957933827] [2024-11-10 19:03:32,910 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:03:32,910 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1764573961] [2024-11-10 19:03:32,910 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1764573961] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:03:32,910 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:03:32,911 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 19:03:32,912 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [204670015] [2024-11-10 19:03:32,912 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:03:32,912 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 19:03:32,912 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:03:32,912 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 19:03:32,913 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-10 19:03:32,913 INFO L87 Difference]: Start difference. First operand 178 states and 235 transitions. Second operand has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-10 19:03:33,065 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:03:33,066 INFO L93 Difference]: Finished difference Result 199 states and 260 transitions. [2024-11-10 19:03:33,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 19:03:33,066 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 42 [2024-11-10 19:03:33,066 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:03:33,068 INFO L225 Difference]: With dead ends: 199 [2024-11-10 19:03:33,068 INFO L226 Difference]: Without dead ends: 196 [2024-11-10 19:03:33,068 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-10 19:03:33,069 INFO L432 NwaCegarLoop]: 56 mSDtfsCounter, 111 mSDsluCounter, 39 mSDsCounter, 0 mSdLazyCounter, 117 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 121 SdHoareTripleChecker+Valid, 95 SdHoareTripleChecker+Invalid, 123 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 117 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 19:03:33,069 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [121 Valid, 95 Invalid, 123 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 117 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 19:03:33,070 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 196 states. [2024-11-10 19:03:33,110 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 196 to 179. [2024-11-10 19:03:33,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 179 states, 124 states have (on average 1.5) internal successors, (186), 153 states have internal predecessors, (186), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-10 19:03:33,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 179 states and 232 transitions. [2024-11-10 19:03:33,112 INFO L78 Accepts]: Start accepts. Automaton has 179 states and 232 transitions. Word has length 42 [2024-11-10 19:03:33,112 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:03:33,112 INFO L471 AbstractCegarLoop]: Abstraction has 179 states and 232 transitions. [2024-11-10 19:03:33,113 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-10 19:03:33,113 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 232 transitions. [2024-11-10 19:03:33,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2024-11-10 19:03:33,114 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:03:33,114 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 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] [2024-11-10 19:03:33,131 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-10 19:03:33,318 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:03:33,319 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-10 19:03:33,319 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:03:33,319 INFO L85 PathProgramCache]: Analyzing trace with hash -806627158, now seen corresponding path program 1 times [2024-11-10 19:03:33,319 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:03:33,319 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [499972704] [2024-11-10 19:03:33,319 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:03:33,320 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:03:33,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:33,420 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 19:03:33,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:33,423 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-10 19:03:33,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:33,430 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-10 19:03:33,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:33,435 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-10 19:03:33,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:33,441 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-10 19:03:33,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:33,448 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 19:03:33,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:33,454 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-10 19:03:33,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:33,464 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-10 19:03:33,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:33,467 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2024-11-10 19:03:33,468 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:03:33,468 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [499972704] [2024-11-10 19:03:33,468 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [499972704] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:03:33,468 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:03:33,468 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 19:03:33,468 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1705562417] [2024-11-10 19:03:33,468 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:03:33,468 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 19:03:33,468 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:03:33,469 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 19:03:33,469 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 19:03:33,470 INFO L87 Difference]: Start difference. First operand 179 states and 232 transitions. Second operand has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-11-10 19:03:33,924 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:03:33,925 INFO L93 Difference]: Finished difference Result 216 states and 265 transitions. [2024-11-10 19:03:33,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 19:03:33,925 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) Word has length 62 [2024-11-10 19:03:33,926 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:03:33,927 INFO L225 Difference]: With dead ends: 216 [2024-11-10 19:03:33,927 INFO L226 Difference]: Without dead ends: 214 [2024-11-10 19:03:33,927 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-10 19:03:33,928 INFO L432 NwaCegarLoop]: 44 mSDtfsCounter, 129 mSDsluCounter, 57 mSDsCounter, 0 mSdLazyCounter, 133 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 133 SdHoareTripleChecker+Valid, 101 SdHoareTripleChecker+Invalid, 142 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 133 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-10 19:03:33,928 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [133 Valid, 101 Invalid, 142 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 133 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-10 19:03:33,929 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 214 states. [2024-11-10 19:03:33,941 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 214 to 183. [2024-11-10 19:03:33,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 183 states, 128 states have (on average 1.46875) internal successors, (188), 157 states have internal predecessors, (188), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-10 19:03:33,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 183 states and 234 transitions. [2024-11-10 19:03:33,943 INFO L78 Accepts]: Start accepts. Automaton has 183 states and 234 transitions. Word has length 62 [2024-11-10 19:03:33,943 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:03:33,943 INFO L471 AbstractCegarLoop]: Abstraction has 183 states and 234 transitions. [2024-11-10 19:03:33,943 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-11-10 19:03:33,944 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 234 transitions. [2024-11-10 19:03:33,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-11-10 19:03:33,945 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:03:33,945 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 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] [2024-11-10 19:03:33,945 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-10 19:03:33,945 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-10 19:03:33,945 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:03:33,946 INFO L85 PathProgramCache]: Analyzing trace with hash 764361891, now seen corresponding path program 1 times [2024-11-10 19:03:33,946 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:03:33,946 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [398162460] [2024-11-10 19:03:33,946 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:03:33,946 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:03:33,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:33,995 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 19:03:33,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:33,998 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-10 19:03:33,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:34,002 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-10 19:03:34,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:34,005 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-10 19:03:34,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:34,008 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-10 19:03:34,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:34,012 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 19:03:34,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:34,016 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-10 19:03:34,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:34,020 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-10 19:03:34,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:34,023 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2024-11-10 19:03:34,024 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:03:34,024 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [398162460] [2024-11-10 19:03:34,024 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [398162460] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:03:34,024 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:03:34,024 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 19:03:34,024 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [322991419] [2024-11-10 19:03:34,024 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:03:34,025 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 19:03:34,025 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:03:34,025 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 19:03:34,025 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 19:03:34,026 INFO L87 Difference]: Start difference. First operand 183 states and 234 transitions. Second operand has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 4 states have internal predecessors, (29), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-11-10 19:03:34,183 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:03:34,183 INFO L93 Difference]: Finished difference Result 216 states and 261 transitions. [2024-11-10 19:03:34,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 19:03:34,184 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 4 states have internal predecessors, (29), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) Word has length 63 [2024-11-10 19:03:34,184 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:03:34,185 INFO L225 Difference]: With dead ends: 216 [2024-11-10 19:03:34,185 INFO L226 Difference]: Without dead ends: 214 [2024-11-10 19:03:34,186 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-10 19:03:34,186 INFO L432 NwaCegarLoop]: 46 mSDtfsCounter, 126 mSDsluCounter, 57 mSDsCounter, 0 mSdLazyCounter, 131 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 130 SdHoareTripleChecker+Valid, 103 SdHoareTripleChecker+Invalid, 140 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 131 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 19:03:34,186 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [130 Valid, 103 Invalid, 140 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 131 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 19:03:34,187 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 214 states. [2024-11-10 19:03:34,197 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 214 to 185. [2024-11-10 19:03:34,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 185 states, 130 states have (on average 1.4461538461538461) internal successors, (188), 159 states have internal predecessors, (188), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-10 19:03:34,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 185 states and 234 transitions. [2024-11-10 19:03:34,199 INFO L78 Accepts]: Start accepts. Automaton has 185 states and 234 transitions. Word has length 63 [2024-11-10 19:03:34,199 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:03:34,199 INFO L471 AbstractCegarLoop]: Abstraction has 185 states and 234 transitions. [2024-11-10 19:03:34,200 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 4 states have internal predecessors, (29), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-11-10 19:03:34,200 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 234 transitions. [2024-11-10 19:03:34,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-11-10 19:03:34,201 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:03:34,201 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 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] [2024-11-10 19:03:34,201 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-10 19:03:34,201 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-10 19:03:34,201 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:03:34,202 INFO L85 PathProgramCache]: Analyzing trace with hash 112369966, now seen corresponding path program 1 times [2024-11-10 19:03:34,202 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:03:34,202 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1003447358] [2024-11-10 19:03:34,202 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:03:34,202 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:03:34,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:34,247 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 19:03:34,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:34,249 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-10 19:03:34,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:34,251 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-10 19:03:34,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:34,253 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-10 19:03:34,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:34,255 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-10 19:03:34,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:34,258 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 19:03:34,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:34,265 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-10 19:03:34,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:34,271 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-10 19:03:34,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:34,276 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2024-11-10 19:03:34,276 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:03:34,276 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1003447358] [2024-11-10 19:03:34,277 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1003447358] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:03:34,277 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:03:34,277 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 19:03:34,277 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [436283680] [2024-11-10 19:03:34,277 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:03:34,277 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 19:03:34,277 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:03:34,278 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 19:03:34,278 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 19:03:34,280 INFO L87 Difference]: Start difference. First operand 185 states and 234 transitions. Second operand has 3 states, 2 states have (on average 15.5) internal successors, (31), 3 states have internal predecessors, (31), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-10 19:03:34,331 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:03:34,331 INFO L93 Difference]: Finished difference Result 192 states and 236 transitions. [2024-11-10 19:03:34,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 19:03:34,332 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 15.5) internal successors, (31), 3 states have internal predecessors, (31), 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 65 [2024-11-10 19:03:34,332 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:03:34,334 INFO L225 Difference]: With dead ends: 192 [2024-11-10 19:03:34,334 INFO L226 Difference]: Without dead ends: 191 [2024-11-10 19:03:34,335 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 19:03:34,335 INFO L432 NwaCegarLoop]: 84 mSDtfsCounter, 16 mSDsluCounter, 68 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 152 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 19:03:34,336 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 152 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 19:03:34,337 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 191 states. [2024-11-10 19:03:34,363 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 191 to 185. [2024-11-10 19:03:34,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 185 states, 130 states have (on average 1.4384615384615385) internal successors, (187), 159 states have internal predecessors, (187), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-10 19:03:34,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 185 states and 233 transitions. [2024-11-10 19:03:34,365 INFO L78 Accepts]: Start accepts. Automaton has 185 states and 233 transitions. Word has length 65 [2024-11-10 19:03:34,366 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:03:34,366 INFO L471 AbstractCegarLoop]: Abstraction has 185 states and 233 transitions. [2024-11-10 19:03:34,367 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 15.5) internal successors, (31), 3 states have internal predecessors, (31), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-10 19:03:34,367 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 233 transitions. [2024-11-10 19:03:34,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-11-10 19:03:34,370 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:03:34,370 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 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] [2024-11-10 19:03:34,370 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-10 19:03:34,370 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-10 19:03:34,371 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:03:34,371 INFO L85 PathProgramCache]: Analyzing trace with hash 112370016, now seen corresponding path program 1 times [2024-11-10 19:03:34,371 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:03:34,371 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2102931011] [2024-11-10 19:03:34,371 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:03:34,371 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:03:34,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:34,463 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 19:03:34,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:34,466 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-10 19:03:34,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:34,483 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-10 19:03:34,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:34,487 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-10 19:03:34,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:34,491 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-10 19:03:34,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:34,495 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 19:03:34,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:34,500 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-10 19:03:34,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:34,505 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-10 19:03:34,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:34,508 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2024-11-10 19:03:34,508 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:03:34,509 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2102931011] [2024-11-10 19:03:34,509 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2102931011] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:03:34,509 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [96705144] [2024-11-10 19:03:34,509 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:03:34,509 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:03:34,509 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:03:34,511 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:03:34,512 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-10 19:03:34,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:34,560 INFO L255 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-10 19:03:34,562 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:03:34,615 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2024-11-10 19:03:34,615 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 19:03:34,615 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [96705144] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:03:34,615 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-10 19:03:34,616 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 5 [2024-11-10 19:03:34,616 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [822617230] [2024-11-10 19:03:34,616 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:03:34,616 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 19:03:34,617 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:03:34,617 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 19:03:34,617 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-10 19:03:34,618 INFO L87 Difference]: Start difference. First operand 185 states and 233 transitions. Second operand has 5 states, 4 states have (on average 8.5) internal successors, (34), 5 states have internal predecessors, (34), 2 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-10 19:03:34,730 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:03:34,730 INFO L93 Difference]: Finished difference Result 185 states and 233 transitions. [2024-11-10 19:03:34,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 19:03:34,730 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 8.5) internal successors, (34), 5 states have internal predecessors, (34), 2 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 65 [2024-11-10 19:03:34,731 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:03:34,732 INFO L225 Difference]: With dead ends: 185 [2024-11-10 19:03:34,732 INFO L226 Difference]: Without dead ends: 184 [2024-11-10 19:03:34,732 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-10 19:03:34,733 INFO L432 NwaCegarLoop]: 54 mSDtfsCounter, 31 mSDsluCounter, 114 mSDsCounter, 0 mSdLazyCounter, 162 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 168 SdHoareTripleChecker+Invalid, 162 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 162 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 19:03:34,733 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 168 Invalid, 162 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 162 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 19:03:34,733 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 184 states. [2024-11-10 19:03:34,742 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 184 to 184. [2024-11-10 19:03:34,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 184 states, 130 states have (on average 1.4076923076923078) internal successors, (183), 158 states have internal predecessors, (183), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-10 19:03:34,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 184 states and 229 transitions. [2024-11-10 19:03:34,744 INFO L78 Accepts]: Start accepts. Automaton has 184 states and 229 transitions. Word has length 65 [2024-11-10 19:03:34,744 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:03:34,744 INFO L471 AbstractCegarLoop]: Abstraction has 184 states and 229 transitions. [2024-11-10 19:03:34,745 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 8.5) internal successors, (34), 5 states have internal predecessors, (34), 2 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-10 19:03:34,745 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 229 transitions. [2024-11-10 19:03:34,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2024-11-10 19:03:34,746 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:03:34,746 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 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] [2024-11-10 19:03:34,762 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-10 19:03:34,946 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:03:34,947 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-10 19:03:34,947 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:03:34,947 INFO L85 PathProgramCache]: Analyzing trace with hash -811498362, now seen corresponding path program 1 times [2024-11-10 19:03:34,947 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:03:34,947 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [224435091] [2024-11-10 19:03:34,947 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:03:34,947 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:03:34,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:35,020 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 19:03:35,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:35,024 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-10 19:03:35,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:35,028 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-10 19:03:35,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:35,030 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-10 19:03:35,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:35,034 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-10 19:03:35,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:35,038 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 19:03:35,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:35,041 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-10 19:03:35,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:35,044 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-10 19:03:35,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:35,046 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2024-11-10 19:03:35,046 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:03:35,047 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [224435091] [2024-11-10 19:03:35,047 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [224435091] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:03:35,047 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:03:35,047 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-10 19:03:35,047 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [175413011] [2024-11-10 19:03:35,047 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:03:35,047 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 19:03:35,047 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:03:35,048 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 19:03:35,048 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-10 19:03:35,048 INFO L87 Difference]: Start difference. First operand 184 states and 229 transitions. Second operand has 5 states, 4 states have (on average 8.0) internal successors, (32), 5 states have internal predecessors, (32), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-10 19:03:35,132 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:03:35,132 INFO L93 Difference]: Finished difference Result 184 states and 229 transitions. [2024-11-10 19:03:35,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 19:03:35,133 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 8.0) internal successors, (32), 5 states have internal predecessors, (32), 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 66 [2024-11-10 19:03:35,133 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:03:35,134 INFO L225 Difference]: With dead ends: 184 [2024-11-10 19:03:35,134 INFO L226 Difference]: Without dead ends: 183 [2024-11-10 19:03:35,134 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-10 19:03:35,135 INFO L432 NwaCegarLoop]: 77 mSDtfsCounter, 113 mSDsluCounter, 97 mSDsCounter, 0 mSdLazyCounter, 61 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 113 SdHoareTripleChecker+Valid, 174 SdHoareTripleChecker+Invalid, 69 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 61 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 19:03:35,135 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [113 Valid, 174 Invalid, 69 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 61 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 19:03:35,135 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 183 states. [2024-11-10 19:03:35,146 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 183 to 183. [2024-11-10 19:03:35,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 183 states, 130 states have (on average 1.3923076923076922) internal successors, (181), 157 states have internal predecessors, (181), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-10 19:03:35,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 183 states and 227 transitions. [2024-11-10 19:03:35,148 INFO L78 Accepts]: Start accepts. Automaton has 183 states and 227 transitions. Word has length 66 [2024-11-10 19:03:35,148 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:03:35,148 INFO L471 AbstractCegarLoop]: Abstraction has 183 states and 227 transitions. [2024-11-10 19:03:35,148 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 8.0) internal successors, (32), 5 states have internal predecessors, (32), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-10 19:03:35,149 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 227 transitions. [2024-11-10 19:03:35,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2024-11-10 19:03:35,149 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:03:35,149 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 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] [2024-11-10 19:03:35,150 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-10 19:03:35,150 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-10 19:03:35,151 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:03:35,151 INFO L85 PathProgramCache]: Analyzing trace with hash -811496793, now seen corresponding path program 1 times [2024-11-10 19:03:35,152 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:03:35,152 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [115868275] [2024-11-10 19:03:35,152 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:03:35,152 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:03:35,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:35,227 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 19:03:35,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:35,230 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-10 19:03:35,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:35,233 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-10 19:03:35,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:35,236 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-10 19:03:35,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:35,239 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-10 19:03:35,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:35,242 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 19:03:35,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:35,244 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-10 19:03:35,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:35,247 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-10 19:03:35,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:35,251 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2024-11-10 19:03:35,251 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:03:35,251 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [115868275] [2024-11-10 19:03:35,252 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [115868275] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:03:35,252 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:03:35,252 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 19:03:35,252 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1301795968] [2024-11-10 19:03:35,252 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:03:35,253 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 19:03:35,253 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:03:35,253 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 19:03:35,254 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-10 19:03:35,254 INFO L87 Difference]: Start difference. First operand 183 states and 227 transitions. Second operand has 6 states, 5 states have (on average 6.4) internal successors, (32), 6 states have internal predecessors, (32), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-11-10 19:03:35,725 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:03:35,725 INFO L93 Difference]: Finished difference Result 242 states and 293 transitions. [2024-11-10 19:03:35,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-10 19:03:35,726 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 6.4) internal successors, (32), 6 states have internal predecessors, (32), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) Word has length 66 [2024-11-10 19:03:35,726 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:03:35,727 INFO L225 Difference]: With dead ends: 242 [2024-11-10 19:03:35,727 INFO L226 Difference]: Without dead ends: 241 [2024-11-10 19:03:35,728 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2024-11-10 19:03:35,728 INFO L432 NwaCegarLoop]: 87 mSDtfsCounter, 302 mSDsluCounter, 191 mSDsCounter, 0 mSdLazyCounter, 274 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 307 SdHoareTripleChecker+Valid, 278 SdHoareTripleChecker+Invalid, 309 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 274 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-10 19:03:35,728 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [307 Valid, 278 Invalid, 309 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 274 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-10 19:03:35,729 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 241 states. [2024-11-10 19:03:35,746 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 241 to 216. [2024-11-10 19:03:35,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 216 states, 158 states have (on average 1.379746835443038) internal successors, (218), 185 states have internal predecessors, (218), 28 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2024-11-10 19:03:35,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 216 states and 274 transitions. [2024-11-10 19:03:35,748 INFO L78 Accepts]: Start accepts. Automaton has 216 states and 274 transitions. Word has length 66 [2024-11-10 19:03:35,748 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:03:35,748 INFO L471 AbstractCegarLoop]: Abstraction has 216 states and 274 transitions. [2024-11-10 19:03:35,749 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 6.4) internal successors, (32), 6 states have internal predecessors, (32), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-11-10 19:03:35,749 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 274 transitions. [2024-11-10 19:03:35,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2024-11-10 19:03:35,749 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:03:35,749 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:03:35,750 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-10 19:03:35,750 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-10 19:03:35,750 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:03:35,751 INFO L85 PathProgramCache]: Analyzing trace with hash 1834121572, now seen corresponding path program 1 times [2024-11-10 19:03:35,751 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:03:35,751 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1181027237] [2024-11-10 19:03:35,751 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:03:35,751 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:03:35,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:35,818 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 19:03:35,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:35,820 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-10 19:03:35,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:35,821 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-10 19:03:35,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:35,824 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-10 19:03:35,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:35,830 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-10 19:03:35,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:35,832 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 19:03:35,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:35,838 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-10 19:03:35,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:35,841 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-10 19:03:35,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:35,845 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2024-11-10 19:03:35,845 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:03:35,845 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1181027237] [2024-11-10 19:03:35,845 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1181027237] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:03:35,845 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:03:35,845 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 19:03:35,846 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [612384201] [2024-11-10 19:03:35,846 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:03:35,846 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 19:03:35,846 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:03:35,846 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 19:03:35,847 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-10 19:03:35,847 INFO L87 Difference]: Start difference. First operand 216 states and 274 transitions. Second operand has 4 states, 3 states have (on average 11.333333333333334) internal successors, (34), 4 states have internal predecessors, (34), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-11-10 19:03:36,031 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:03:36,031 INFO L93 Difference]: Finished difference Result 241 states and 291 transitions. [2024-11-10 19:03:36,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 19:03:36,032 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 11.333333333333334) internal successors, (34), 4 states have internal predecessors, (34), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) Word has length 68 [2024-11-10 19:03:36,032 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:03:36,033 INFO L225 Difference]: With dead ends: 241 [2024-11-10 19:03:36,033 INFO L226 Difference]: Without dead ends: 239 [2024-11-10 19:03:36,034 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-10 19:03:36,034 INFO L432 NwaCegarLoop]: 77 mSDtfsCounter, 57 mSDsluCounter, 88 mSDsCounter, 0 mSdLazyCounter, 81 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 62 SdHoareTripleChecker+Valid, 165 SdHoareTripleChecker+Invalid, 83 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 81 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-10 19:03:36,034 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [62 Valid, 165 Invalid, 83 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 81 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-10 19:03:36,035 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 239 states. [2024-11-10 19:03:36,047 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 239 to 221. [2024-11-10 19:03:36,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 221 states, 163 states have (on average 1.3680981595092025) internal successors, (223), 190 states have internal predecessors, (223), 28 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2024-11-10 19:03:36,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 221 states and 279 transitions. [2024-11-10 19:03:36,049 INFO L78 Accepts]: Start accepts. Automaton has 221 states and 279 transitions. Word has length 68 [2024-11-10 19:03:36,049 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:03:36,049 INFO L471 AbstractCegarLoop]: Abstraction has 221 states and 279 transitions. [2024-11-10 19:03:36,049 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 11.333333333333334) internal successors, (34), 4 states have internal predecessors, (34), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-11-10 19:03:36,049 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 279 transitions. [2024-11-10 19:03:36,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2024-11-10 19:03:36,050 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:03:36,050 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:03:36,050 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-10 19:03:36,050 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-10 19:03:36,051 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:03:36,051 INFO L85 PathProgramCache]: Analyzing trace with hash 1955320842, now seen corresponding path program 1 times [2024-11-10 19:03:36,051 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:03:36,051 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1251369542] [2024-11-10 19:03:36,051 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:03:36,051 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:03:36,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:03:36,063 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [290859468] [2024-11-10 19:03:36,063 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:03:36,064 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:03:36,064 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:03:36,065 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:03:36,066 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-10 19:03:36,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:36,114 INFO L255 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-10 19:03:36,116 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:03:36,424 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2024-11-10 19:03:36,425 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:03:36,776 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:03:36,776 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1251369542] [2024-11-10 19:03:36,776 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:03:36,776 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [290859468] [2024-11-10 19:03:36,776 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [290859468] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:03:36,776 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-10 19:03:36,776 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2024-11-10 19:03:36,776 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1137417622] [2024-11-10 19:03:36,776 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-10 19:03:36,777 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-10 19:03:36,777 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:03:36,777 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-10 19:03:36,777 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2024-11-10 19:03:36,778 INFO L87 Difference]: Start difference. First operand 221 states and 279 transitions. Second operand has 9 states, 8 states have (on average 5.5) internal successors, (44), 9 states have internal predecessors, (44), 5 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 4 states have call predecessors, (9), 5 states have call successors, (9) [2024-11-10 19:03:37,357 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:03:37,357 INFO L93 Difference]: Finished difference Result 330 states and 410 transitions. [2024-11-10 19:03:37,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-10 19:03:37,357 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 5.5) internal successors, (44), 9 states have internal predecessors, (44), 5 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 4 states have call predecessors, (9), 5 states have call successors, (9) Word has length 80 [2024-11-10 19:03:37,357 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:03:37,359 INFO L225 Difference]: With dead ends: 330 [2024-11-10 19:03:37,359 INFO L226 Difference]: Without dead ends: 321 [2024-11-10 19:03:37,359 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 89 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=86, Invalid=256, Unknown=0, NotChecked=0, Total=342 [2024-11-10 19:03:37,360 INFO L432 NwaCegarLoop]: 77 mSDtfsCounter, 340 mSDsluCounter, 270 mSDsCounter, 0 mSdLazyCounter, 512 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 346 SdHoareTripleChecker+Valid, 347 SdHoareTripleChecker+Invalid, 558 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 512 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-10 19:03:37,360 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [346 Valid, 347 Invalid, 558 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 512 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-10 19:03:37,361 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 321 states. [2024-11-10 19:03:37,375 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 321 to 264. [2024-11-10 19:03:37,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 264 states, 202 states have (on average 1.3465346534653466) internal successors, (272), 228 states have internal predecessors, (272), 33 states have call successors, (33), 2 states have call predecessors, (33), 2 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2024-11-10 19:03:37,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 264 states and 338 transitions. [2024-11-10 19:03:37,377 INFO L78 Accepts]: Start accepts. Automaton has 264 states and 338 transitions. Word has length 80 [2024-11-10 19:03:37,377 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:03:37,377 INFO L471 AbstractCegarLoop]: Abstraction has 264 states and 338 transitions. [2024-11-10 19:03:37,377 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 5.5) internal successors, (44), 9 states have internal predecessors, (44), 5 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 4 states have call predecessors, (9), 5 states have call successors, (9) [2024-11-10 19:03:37,378 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 338 transitions. [2024-11-10 19:03:37,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2024-11-10 19:03:37,378 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:03:37,378 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:03:37,395 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-11-10 19:03:37,579 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2024-11-10 19:03:37,579 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-10 19:03:37,580 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:03:37,580 INFO L85 PathProgramCache]: Analyzing trace with hash 485404003, now seen corresponding path program 1 times [2024-11-10 19:03:37,581 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:03:37,581 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1580826351] [2024-11-10 19:03:37,581 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:03:37,581 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:03:37,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:03:37,595 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [626193289] [2024-11-10 19:03:37,595 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:03:37,596 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:03:37,596 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:03:37,597 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:03:37,600 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-10 19:03:37,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:37,652 INFO L255 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-10 19:03:37,654 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:03:37,986 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2024-11-10 19:03:37,986 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:03:38,928 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:03:38,928 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1580826351] [2024-11-10 19:03:38,928 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:03:38,928 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [626193289] [2024-11-10 19:03:38,928 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [626193289] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:03:38,929 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-10 19:03:38,929 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2024-11-10 19:03:38,929 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1268277809] [2024-11-10 19:03:38,929 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-10 19:03:38,929 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-10 19:03:38,929 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:03:38,930 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-10 19:03:38,930 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2024-11-10 19:03:38,930 INFO L87 Difference]: Start difference. First operand 264 states and 338 transitions. Second operand has 9 states, 8 states have (on average 5.625) internal successors, (45), 9 states have internal predecessors, (45), 5 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 4 states have call predecessors, (9), 5 states have call successors, (9) [2024-11-10 19:03:39,418 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:03:39,419 INFO L93 Difference]: Finished difference Result 363 states and 453 transitions. [2024-11-10 19:03:39,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-10 19:03:39,419 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 5.625) internal successors, (45), 9 states have internal predecessors, (45), 5 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 4 states have call predecessors, (9), 5 states have call successors, (9) Word has length 81 [2024-11-10 19:03:39,419 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:03:39,421 INFO L225 Difference]: With dead ends: 363 [2024-11-10 19:03:39,421 INFO L226 Difference]: Without dead ends: 360 [2024-11-10 19:03:39,422 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 91 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=68, Invalid=204, Unknown=0, NotChecked=0, Total=272 [2024-11-10 19:03:39,422 INFO L432 NwaCegarLoop]: 84 mSDtfsCounter, 287 mSDsluCounter, 281 mSDsCounter, 0 mSdLazyCounter, 410 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 293 SdHoareTripleChecker+Valid, 365 SdHoareTripleChecker+Invalid, 439 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 410 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-10 19:03:39,422 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [293 Valid, 365 Invalid, 439 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 410 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-10 19:03:39,423 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 360 states. [2024-11-10 19:03:39,440 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 360 to 327. [2024-11-10 19:03:39,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 327 states, 255 states have (on average 1.3372549019607842) internal successors, (341), 281 states have internal predecessors, (341), 43 states have call successors, (43), 2 states have call predecessors, (43), 2 states have return successors, (43), 43 states have call predecessors, (43), 43 states have call successors, (43) [2024-11-10 19:03:39,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 327 states and 427 transitions. [2024-11-10 19:03:39,443 INFO L78 Accepts]: Start accepts. Automaton has 327 states and 427 transitions. Word has length 81 [2024-11-10 19:03:39,443 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:03:39,443 INFO L471 AbstractCegarLoop]: Abstraction has 327 states and 427 transitions. [2024-11-10 19:03:39,443 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 5.625) internal successors, (45), 9 states have internal predecessors, (45), 5 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 4 states have call predecessors, (9), 5 states have call successors, (9) [2024-11-10 19:03:39,443 INFO L276 IsEmpty]: Start isEmpty. Operand 327 states and 427 transitions. [2024-11-10 19:03:39,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2024-11-10 19:03:39,444 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:03:39,444 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 3, 3, 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] [2024-11-10 19:03:39,461 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2024-11-10 19:03:39,648 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2024-11-10 19:03:39,649 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-10 19:03:39,649 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:03:39,649 INFO L85 PathProgramCache]: Analyzing trace with hash -2132345048, now seen corresponding path program 1 times [2024-11-10 19:03:39,649 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:03:39,649 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2057067341] [2024-11-10 19:03:39,649 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:03:39,650 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:03:39,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:39,715 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 19:03:39,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:39,717 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-10 19:03:39,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:39,719 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-10 19:03:39,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:39,721 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-10 19:03:39,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:39,722 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-10 19:03:39,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:39,723 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 19:03:39,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:39,726 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-10 19:03:39,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:39,728 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-10 19:03:39,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:39,731 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-10 19:03:39,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:39,733 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2024-11-10 19:03:39,733 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:03:39,733 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2057067341] [2024-11-10 19:03:39,734 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2057067341] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:03:39,734 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:03:39,734 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-10 19:03:39,734 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1536349140] [2024-11-10 19:03:39,734 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:03:39,734 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 19:03:39,735 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:03:39,735 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 19:03:39,735 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-10 19:03:39,735 INFO L87 Difference]: Start difference. First operand 327 states and 427 transitions. Second operand has 5 states, 4 states have (on average 10.75) internal successors, (43), 5 states have internal predecessors, (43), 3 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2024-11-10 19:03:40,793 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:03:40,794 INFO L93 Difference]: Finished difference Result 473 states and 622 transitions. [2024-11-10 19:03:40,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-10 19:03:40,794 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 10.75) internal successors, (43), 5 states have internal predecessors, (43), 3 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) Word has length 82 [2024-11-10 19:03:40,795 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:03:40,797 INFO L225 Difference]: With dead ends: 473 [2024-11-10 19:03:40,797 INFO L226 Difference]: Without dead ends: 470 [2024-11-10 19:03:40,797 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2024-11-10 19:03:40,798 INFO L432 NwaCegarLoop]: 85 mSDtfsCounter, 143 mSDsluCounter, 142 mSDsCounter, 0 mSdLazyCounter, 246 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 148 SdHoareTripleChecker+Valid, 227 SdHoareTripleChecker+Invalid, 271 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 246 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-10 19:03:40,798 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [148 Valid, 227 Invalid, 271 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 246 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-10 19:03:40,799 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 470 states. [2024-11-10 19:03:40,853 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 470 to 333. [2024-11-10 19:03:40,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 333 states, 261 states have (on average 1.3103448275862069) internal successors, (342), 285 states have internal predecessors, (342), 45 states have call successors, (45), 2 states have call predecessors, (45), 2 states have return successors, (45), 45 states have call predecessors, (45), 45 states have call successors, (45) [2024-11-10 19:03:40,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 333 states to 333 states and 432 transitions. [2024-11-10 19:03:40,855 INFO L78 Accepts]: Start accepts. Automaton has 333 states and 432 transitions. Word has length 82 [2024-11-10 19:03:40,856 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:03:40,856 INFO L471 AbstractCegarLoop]: Abstraction has 333 states and 432 transitions. [2024-11-10 19:03:40,856 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 10.75) internal successors, (43), 5 states have internal predecessors, (43), 3 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2024-11-10 19:03:40,856 INFO L276 IsEmpty]: Start isEmpty. Operand 333 states and 432 transitions. [2024-11-10 19:03:40,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2024-11-10 19:03:40,857 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:03:40,857 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:03:40,858 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-10 19:03:40,858 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-10 19:03:40,858 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:03:40,858 INFO L85 PathProgramCache]: Analyzing trace with hash -1830050472, now seen corresponding path program 1 times [2024-11-10 19:03:40,858 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:03:40,859 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1209750629] [2024-11-10 19:03:40,859 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:03:40,859 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:03:40,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:03:40,876 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1534299816] [2024-11-10 19:03:40,876 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:03:40,876 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:03:40,876 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:03:40,878 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:03:40,879 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-10 19:03:40,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:40,932 INFO L255 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-10 19:03:40,934 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:03:41,227 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2024-11-10 19:03:41,228 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:03:41,304 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:03:41,304 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1209750629] [2024-11-10 19:03:41,304 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:03:41,304 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1534299816] [2024-11-10 19:03:41,304 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1534299816] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:03:41,304 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-10 19:03:41,304 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2024-11-10 19:03:41,304 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1433378689] [2024-11-10 19:03:41,304 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-10 19:03:41,305 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-10 19:03:41,305 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:03:41,305 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-10 19:03:41,305 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2024-11-10 19:03:41,305 INFO L87 Difference]: Start difference. First operand 333 states and 432 transitions. Second operand has 10 states, 9 states have (on average 5.111111111111111) internal successors, (46), 9 states have internal predecessors, (46), 5 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 5 states have call predecessors, (9), 5 states have call successors, (9) [2024-11-10 19:03:41,784 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:03:41,785 INFO L93 Difference]: Finished difference Result 379 states and 499 transitions. [2024-11-10 19:03:41,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-10 19:03:41,785 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 5.111111111111111) internal successors, (46), 9 states have internal predecessors, (46), 5 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 5 states have call predecessors, (9), 5 states have call successors, (9) Word has length 82 [2024-11-10 19:03:41,786 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:03:41,787 INFO L225 Difference]: With dead ends: 379 [2024-11-10 19:03:41,788 INFO L226 Difference]: Without dead ends: 373 [2024-11-10 19:03:41,788 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 81 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2024-11-10 19:03:41,789 INFO L432 NwaCegarLoop]: 49 mSDtfsCounter, 189 mSDsluCounter, 222 mSDsCounter, 0 mSdLazyCounter, 567 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 189 SdHoareTripleChecker+Valid, 271 SdHoareTripleChecker+Invalid, 599 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 567 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-10 19:03:41,789 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [189 Valid, 271 Invalid, 599 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 567 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-10 19:03:41,790 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 373 states. [2024-11-10 19:03:41,812 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 373 to 327. [2024-11-10 19:03:41,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 327 states, 261 states have (on average 1.2528735632183907) internal successors, (327), 279 states have internal predecessors, (327), 45 states have call successors, (45), 2 states have call predecessors, (45), 2 states have return successors, (45), 45 states have call predecessors, (45), 45 states have call successors, (45) [2024-11-10 19:03:41,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 327 states and 417 transitions. [2024-11-10 19:03:41,814 INFO L78 Accepts]: Start accepts. Automaton has 327 states and 417 transitions. Word has length 82 [2024-11-10 19:03:41,814 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:03:41,815 INFO L471 AbstractCegarLoop]: Abstraction has 327 states and 417 transitions. [2024-11-10 19:03:41,815 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 5.111111111111111) internal successors, (46), 9 states have internal predecessors, (46), 5 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 5 states have call predecessors, (9), 5 states have call successors, (9) [2024-11-10 19:03:41,815 INFO L276 IsEmpty]: Start isEmpty. Operand 327 states and 417 transitions. [2024-11-10 19:03:41,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2024-11-10 19:03:41,816 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:03:41,817 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 3, 3, 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] [2024-11-10 19:03:41,834 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2024-11-10 19:03:42,020 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,SelfDestructingSolverStorable17 [2024-11-10 19:03:42,021 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-10 19:03:42,021 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:03:42,021 INFO L85 PathProgramCache]: Analyzing trace with hash -1678187007, now seen corresponding path program 1 times [2024-11-10 19:03:42,021 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:03:42,021 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1804518010] [2024-11-10 19:03:42,021 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:03:42,021 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:03:42,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:03:42,034 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1013794872] [2024-11-10 19:03:42,034 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:03:42,035 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:03:42,035 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:03:42,036 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:03:42,038 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-11-10 19:03:42,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:42,096 INFO L255 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-10 19:03:42,098 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:03:42,525 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2024-11-10 19:03:42,526 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:03:43,213 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:03:43,213 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1804518010] [2024-11-10 19:03:43,213 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:03:43,213 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1013794872] [2024-11-10 19:03:43,213 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1013794872] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:03:43,213 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-10 19:03:43,214 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2024-11-10 19:03:43,214 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [532760105] [2024-11-10 19:03:43,214 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-10 19:03:43,215 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-10 19:03:43,215 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:03:43,216 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-10 19:03:43,216 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=213, Unknown=0, NotChecked=0, Total=272 [2024-11-10 19:03:43,217 INFO L87 Difference]: Start difference. First operand 327 states and 417 transitions. Second operand has 11 states, 10 states have (on average 4.7) internal successors, (47), 11 states have internal predecessors, (47), 5 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 4 states have call predecessors, (9), 5 states have call successors, (9) [2024-11-10 19:03:43,974 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:03:43,974 INFO L93 Difference]: Finished difference Result 349 states and 430 transitions. [2024-11-10 19:03:43,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-10 19:03:43,975 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 4.7) internal successors, (47), 11 states have internal predecessors, (47), 5 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 4 states have call predecessors, (9), 5 states have call successors, (9) Word has length 83 [2024-11-10 19:03:43,975 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:03:43,976 INFO L225 Difference]: With dead ends: 349 [2024-11-10 19:03:43,977 INFO L226 Difference]: Without dead ends: 342 [2024-11-10 19:03:43,977 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 135 GetRequests, 114 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=113, Invalid=393, Unknown=0, NotChecked=0, Total=506 [2024-11-10 19:03:43,978 INFO L432 NwaCegarLoop]: 77 mSDtfsCounter, 247 mSDsluCounter, 340 mSDsCounter, 0 mSdLazyCounter, 611 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 253 SdHoareTripleChecker+Valid, 417 SdHoareTripleChecker+Invalid, 640 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 611 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-10 19:03:43,978 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [253 Valid, 417 Invalid, 640 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 611 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-10 19:03:43,979 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 342 states. [2024-11-10 19:03:43,999 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 342 to 325. [2024-11-10 19:03:44,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 325 states, 259 states have (on average 1.2393822393822393) internal successors, (321), 277 states have internal predecessors, (321), 45 states have call successors, (45), 2 states have call predecessors, (45), 2 states have return successors, (45), 45 states have call predecessors, (45), 45 states have call successors, (45) [2024-11-10 19:03:44,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 325 states and 411 transitions. [2024-11-10 19:03:44,001 INFO L78 Accepts]: Start accepts. Automaton has 325 states and 411 transitions. Word has length 83 [2024-11-10 19:03:44,002 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:03:44,002 INFO L471 AbstractCegarLoop]: Abstraction has 325 states and 411 transitions. [2024-11-10 19:03:44,002 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 4.7) internal successors, (47), 11 states have internal predecessors, (47), 5 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 4 states have call predecessors, (9), 5 states have call successors, (9) [2024-11-10 19:03:44,002 INFO L276 IsEmpty]: Start isEmpty. Operand 325 states and 411 transitions. [2024-11-10 19:03:44,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2024-11-10 19:03:44,003 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:03:44,003 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:03:44,019 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-11-10 19:03:44,203 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:03:44,204 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-10 19:03:44,204 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:03:44,204 INFO L85 PathProgramCache]: Analyzing trace with hash -896989756, now seen corresponding path program 1 times [2024-11-10 19:03:44,204 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:03:44,204 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [270782457] [2024-11-10 19:03:44,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:03:44,204 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:03:44,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:03:44,216 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [66810521] [2024-11-10 19:03:44,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:03:44,216 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:03:44,216 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:03:44,218 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:03:44,221 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-11-10 19:03:44,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:44,278 INFO L255 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-10 19:03:44,280 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:03:44,496 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 6 proven. 4 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2024-11-10 19:03:44,497 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:03:44,886 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:03:44,886 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [270782457] [2024-11-10 19:03:44,886 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:03:44,886 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [66810521] [2024-11-10 19:03:44,886 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [66810521] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:03:44,886 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-10 19:03:44,887 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2024-11-10 19:03:44,887 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1764671632] [2024-11-10 19:03:44,887 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-10 19:03:44,887 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-10 19:03:44,887 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:03:44,888 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-10 19:03:44,888 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2024-11-10 19:03:44,888 INFO L87 Difference]: Start difference. First operand 325 states and 411 transitions. Second operand has 8 states, 6 states have (on average 7.833333333333333) internal successors, (47), 7 states have internal predecessors, (47), 4 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 4 states have call predecessors, (9), 4 states have call successors, (9) [2024-11-10 19:03:45,119 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:03:45,119 INFO L93 Difference]: Finished difference Result 473 states and 624 transitions. [2024-11-10 19:03:45,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-10 19:03:45,120 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 6 states have (on average 7.833333333333333) internal successors, (47), 7 states have internal predecessors, (47), 4 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 4 states have call predecessors, (9), 4 states have call successors, (9) Word has length 83 [2024-11-10 19:03:45,120 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:03:45,122 INFO L225 Difference]: With dead ends: 473 [2024-11-10 19:03:45,122 INFO L226 Difference]: Without dead ends: 469 [2024-11-10 19:03:45,122 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 85 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2024-11-10 19:03:45,123 INFO L432 NwaCegarLoop]: 42 mSDtfsCounter, 197 mSDsluCounter, 124 mSDsCounter, 0 mSdLazyCounter, 281 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 209 SdHoareTripleChecker+Valid, 166 SdHoareTripleChecker+Invalid, 297 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 281 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-10 19:03:45,123 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [209 Valid, 166 Invalid, 297 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 281 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-10 19:03:45,123 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 469 states. [2024-11-10 19:03:45,151 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 469 to 433. [2024-11-10 19:03:45,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 433 states, 351 states have (on average 1.227920227920228) internal successors, (431), 369 states have internal predecessors, (431), 61 states have call successors, (61), 2 states have call predecessors, (61), 2 states have return successors, (61), 61 states have call predecessors, (61), 61 states have call successors, (61) [2024-11-10 19:03:45,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 433 states to 433 states and 553 transitions. [2024-11-10 19:03:45,154 INFO L78 Accepts]: Start accepts. Automaton has 433 states and 553 transitions. Word has length 83 [2024-11-10 19:03:45,154 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:03:45,154 INFO L471 AbstractCegarLoop]: Abstraction has 433 states and 553 transitions. [2024-11-10 19:03:45,154 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 6 states have (on average 7.833333333333333) internal successors, (47), 7 states have internal predecessors, (47), 4 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 4 states have call predecessors, (9), 4 states have call successors, (9) [2024-11-10 19:03:45,154 INFO L276 IsEmpty]: Start isEmpty. Operand 433 states and 553 transitions. [2024-11-10 19:03:45,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-11-10 19:03:45,155 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:03:45,155 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 3, 3, 3, 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] [2024-11-10 19:03:45,171 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2024-11-10 19:03:45,359 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:03:45,360 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-10 19:03:45,360 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:03:45,360 INFO L85 PathProgramCache]: Analyzing trace with hash -1290490961, now seen corresponding path program 1 times [2024-11-10 19:03:45,361 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:03:45,361 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1406816153] [2024-11-10 19:03:45,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:03:45,361 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:03:45,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:45,438 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 19:03:45,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:45,441 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-10 19:03:45,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:45,444 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-10 19:03:45,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:45,446 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-10 19:03:45,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:45,448 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-10 19:03:45,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:45,450 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 19:03:45,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:45,454 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-10 19:03:45,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:45,456 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-10 19:03:45,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:45,458 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-10 19:03:45,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:45,460 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-10 19:03:45,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:45,462 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-10 19:03:45,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:45,465 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-11-10 19:03:45,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:45,469 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 156 trivial. 0 not checked. [2024-11-10 19:03:45,469 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:03:45,469 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1406816153] [2024-11-10 19:03:45,470 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1406816153] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:03:45,470 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [454293578] [2024-11-10 19:03:45,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:03:45,470 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:03:45,470 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:03:45,471 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:03:45,473 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-11-10 19:03:45,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:45,522 INFO L255 TraceCheckSpWp]: Trace formula consists of 187 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-10 19:03:45,524 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:03:45,578 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 156 trivial. 0 not checked. [2024-11-10 19:03:45,578 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:03:45,705 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 156 trivial. 0 not checked. [2024-11-10 19:03:45,705 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [454293578] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 19:03:45,705 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 19:03:45,705 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4, 4] total 10 [2024-11-10 19:03:45,705 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [837104164] [2024-11-10 19:03:45,706 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 19:03:45,706 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-10 19:03:45,706 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:03:45,707 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-10 19:03:45,707 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2024-11-10 19:03:45,707 INFO L87 Difference]: Start difference. First operand 433 states and 553 transitions. Second operand has 11 states, 10 states have (on average 11.8) internal successors, (118), 11 states have internal predecessors, (118), 10 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 10 states have call predecessors, (30), 10 states have call successors, (30) [2024-11-10 19:03:46,547 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:03:46,547 INFO L93 Difference]: Finished difference Result 680 states and 869 transitions. [2024-11-10 19:03:46,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-10 19:03:46,548 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 11.8) internal successors, (118), 11 states have internal predecessors, (118), 10 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 10 states have call predecessors, (30), 10 states have call successors, (30) Word has length 104 [2024-11-10 19:03:46,548 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:03:46,551 INFO L225 Difference]: With dead ends: 680 [2024-11-10 19:03:46,551 INFO L226 Difference]: Without dead ends: 678 [2024-11-10 19:03:46,551 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 252 GetRequests, 232 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 71 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=157, Invalid=305, Unknown=0, NotChecked=0, Total=462 [2024-11-10 19:03:46,552 INFO L432 NwaCegarLoop]: 85 mSDtfsCounter, 825 mSDsluCounter, 334 mSDsCounter, 0 mSdLazyCounter, 368 mSolverCounterSat, 94 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 828 SdHoareTripleChecker+Valid, 419 SdHoareTripleChecker+Invalid, 462 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 94 IncrementalHoareTripleChecker+Valid, 368 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-10 19:03:46,553 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [828 Valid, 419 Invalid, 462 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [94 Valid, 368 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-10 19:03:46,554 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 678 states. [2024-11-10 19:03:46,592 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 678 to 558. [2024-11-10 19:03:46,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 558 states, 456 states have (on average 1.2105263157894737) internal successors, (552), 473 states have internal predecessors, (552), 82 states have call successors, (82), 2 states have call predecessors, (82), 2 states have return successors, (82), 82 states have call predecessors, (82), 82 states have call successors, (82) [2024-11-10 19:03:46,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 558 states to 558 states and 716 transitions. [2024-11-10 19:03:46,596 INFO L78 Accepts]: Start accepts. Automaton has 558 states and 716 transitions. Word has length 104 [2024-11-10 19:03:46,597 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:03:46,597 INFO L471 AbstractCegarLoop]: Abstraction has 558 states and 716 transitions. [2024-11-10 19:03:46,597 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 11.8) internal successors, (118), 11 states have internal predecessors, (118), 10 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 10 states have call predecessors, (30), 10 states have call successors, (30) [2024-11-10 19:03:46,597 INFO L276 IsEmpty]: Start isEmpty. Operand 558 states and 716 transitions. [2024-11-10 19:03:46,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2024-11-10 19:03:46,598 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:03:46,598 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 3, 3, 3, 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] [2024-11-10 19:03:46,615 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2024-11-10 19:03:46,799 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,SelfDestructingSolverStorable20 [2024-11-10 19:03:46,799 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-10 19:03:46,800 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:03:46,800 INFO L85 PathProgramCache]: Analyzing trace with hash 1083735354, now seen corresponding path program 1 times [2024-11-10 19:03:46,800 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:03:46,800 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1460749844] [2024-11-10 19:03:46,800 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:03:46,800 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:03:46,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:46,886 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 19:03:46,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:46,888 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-10 19:03:46,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:46,889 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-10 19:03:46,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:46,890 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-10 19:03:46,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:46,892 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-10 19:03:46,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:46,894 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 19:03:46,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:46,895 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-10 19:03:46,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:46,897 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-10 19:03:46,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:46,898 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-10 19:03:46,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:46,901 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-10 19:03:46,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:46,903 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-10 19:03:46,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:46,905 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-11-10 19:03:46,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:46,908 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 156 trivial. 0 not checked. [2024-11-10 19:03:46,908 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:03:46,908 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1460749844] [2024-11-10 19:03:46,908 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1460749844] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:03:46,908 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:03:46,909 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 19:03:46,909 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [631171322] [2024-11-10 19:03:46,909 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:03:46,909 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 19:03:46,909 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:03:46,910 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 19:03:46,910 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 19:03:46,910 INFO L87 Difference]: Start difference. First operand 558 states and 716 transitions. Second operand has 4 states, 3 states have (on average 17.333333333333332) internal successors, (52), 4 states have internal predecessors, (52), 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) [2024-11-10 19:03:46,991 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:03:46,992 INFO L93 Difference]: Finished difference Result 558 states and 716 transitions. [2024-11-10 19:03:46,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 19:03:46,992 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 17.333333333333332) internal successors, (52), 4 states have internal predecessors, (52), 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 106 [2024-11-10 19:03:46,993 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:03:46,995 INFO L225 Difference]: With dead ends: 558 [2024-11-10 19:03:46,995 INFO L226 Difference]: Without dead ends: 557 [2024-11-10 19:03:46,995 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-10 19:03:46,996 INFO L432 NwaCegarLoop]: 72 mSDtfsCounter, 19 mSDsluCounter, 89 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 161 SdHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 50 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 19:03:46,996 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 161 Invalid, 52 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 19:03:46,997 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 557 states. [2024-11-10 19:03:47,035 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 557 to 557. [2024-11-10 19:03:47,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 557 states, 456 states have (on average 1.2017543859649122) internal successors, (548), 472 states have internal predecessors, (548), 82 states have call successors, (82), 2 states have call predecessors, (82), 2 states have return successors, (82), 82 states have call predecessors, (82), 82 states have call successors, (82) [2024-11-10 19:03:47,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 557 states to 557 states and 712 transitions. [2024-11-10 19:03:47,038 INFO L78 Accepts]: Start accepts. Automaton has 557 states and 712 transitions. Word has length 106 [2024-11-10 19:03:47,039 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:03:47,039 INFO L471 AbstractCegarLoop]: Abstraction has 557 states and 712 transitions. [2024-11-10 19:03:47,039 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 17.333333333333332) internal successors, (52), 4 states have internal predecessors, (52), 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) [2024-11-10 19:03:47,039 INFO L276 IsEmpty]: Start isEmpty. Operand 557 states and 712 transitions. [2024-11-10 19:03:47,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2024-11-10 19:03:47,040 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:03:47,040 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 3, 3, 3, 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] [2024-11-10 19:03:47,041 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-11-10 19:03:47,041 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-10 19:03:47,041 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:03:47,041 INFO L85 PathProgramCache]: Analyzing trace with hash 290755032, now seen corresponding path program 1 times [2024-11-10 19:03:47,041 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:03:47,041 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [283291325] [2024-11-10 19:03:47,042 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:03:47,042 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:03:47,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:47,122 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 19:03:47,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:47,124 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-10 19:03:47,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:47,125 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-10 19:03:47,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:47,127 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-10 19:03:47,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:47,129 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-10 19:03:47,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:47,131 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 19:03:47,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:47,134 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-10 19:03:47,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:47,137 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-10 19:03:47,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:47,139 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-10 19:03:47,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:47,142 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-10 19:03:47,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:47,145 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-10 19:03:47,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:47,147 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-11-10 19:03:47,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:47,150 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 156 trivial. 0 not checked. [2024-11-10 19:03:47,150 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:03:47,150 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [283291325] [2024-11-10 19:03:47,150 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [283291325] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:03:47,151 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1384044028] [2024-11-10 19:03:47,151 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:03:47,151 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:03:47,151 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:03:47,152 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:03:47,154 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-11-10 19:03:47,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:47,209 INFO L255 TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-10 19:03:47,210 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:03:47,358 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 156 trivial. 0 not checked. [2024-11-10 19:03:47,358 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 19:03:47,359 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1384044028] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:03:47,359 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-10 19:03:47,359 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 7 [2024-11-10 19:03:47,359 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [248388201] [2024-11-10 19:03:47,359 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:03:47,359 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 19:03:47,359 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:03:47,360 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 19:03:47,360 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2024-11-10 19:03:47,360 INFO L87 Difference]: Start difference. First operand 557 states and 712 transitions. Second operand has 5 states, 4 states have (on average 13.75) internal successors, (55), 5 states have internal predecessors, (55), 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) [2024-11-10 19:03:47,654 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:03:47,654 INFO L93 Difference]: Finished difference Result 568 states and 731 transitions. [2024-11-10 19:03:47,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 19:03:47,655 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 13.75) internal successors, (55), 5 states have internal predecessors, (55), 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 109 [2024-11-10 19:03:47,655 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:03:47,658 INFO L225 Difference]: With dead ends: 568 [2024-11-10 19:03:47,658 INFO L226 Difference]: Without dead ends: 567 [2024-11-10 19:03:47,658 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 136 GetRequests, 130 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2024-11-10 19:03:47,659 INFO L432 NwaCegarLoop]: 82 mSDtfsCounter, 44 mSDsluCounter, 102 mSDsCounter, 0 mSdLazyCounter, 167 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 49 SdHoareTripleChecker+Valid, 184 SdHoareTripleChecker+Invalid, 170 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 167 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-10 19:03:47,659 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [49 Valid, 184 Invalid, 170 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 167 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-10 19:03:47,660 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 567 states. [2024-11-10 19:03:47,720 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 567 to 556. [2024-11-10 19:03:47,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 556 states, 456 states have (on average 1.1951754385964912) internal successors, (545), 471 states have internal predecessors, (545), 82 states have call successors, (82), 2 states have call predecessors, (82), 2 states have return successors, (82), 82 states have call predecessors, (82), 82 states have call successors, (82) [2024-11-10 19:03:47,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 556 states to 556 states and 709 transitions. [2024-11-10 19:03:47,723 INFO L78 Accepts]: Start accepts. Automaton has 556 states and 709 transitions. Word has length 109 [2024-11-10 19:03:47,723 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:03:47,723 INFO L471 AbstractCegarLoop]: Abstraction has 556 states and 709 transitions. [2024-11-10 19:03:47,723 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 13.75) internal successors, (55), 5 states have internal predecessors, (55), 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) [2024-11-10 19:03:47,723 INFO L276 IsEmpty]: Start isEmpty. Operand 556 states and 709 transitions. [2024-11-10 19:03:47,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2024-11-10 19:03:47,724 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:03:47,724 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 3, 3, 3, 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] [2024-11-10 19:03:47,741 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2024-11-10 19:03:47,925 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:03:47,925 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-10 19:03:47,925 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:03:47,925 INFO L85 PathProgramCache]: Analyzing trace with hash 423471383, now seen corresponding path program 1 times [2024-11-10 19:03:47,925 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:03:47,925 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1209738220] [2024-11-10 19:03:47,925 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:03:47,927 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:03:47,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:48,001 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 19:03:48,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:48,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-10 19:03:48,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:48,005 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-10 19:03:48,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:48,006 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-10 19:03:48,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:48,012 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-10 19:03:48,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:48,016 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 19:03:48,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:48,019 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-10 19:03:48,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:48,024 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-10 19:03:48,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:48,026 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-10 19:03:48,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:48,028 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-10 19:03:48,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:48,031 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-10 19:03:48,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:48,033 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-11-10 19:03:48,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:48,036 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 156 trivial. 0 not checked. [2024-11-10 19:03:48,036 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:03:48,036 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1209738220] [2024-11-10 19:03:48,036 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1209738220] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:03:48,036 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1893732760] [2024-11-10 19:03:48,037 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:03:48,037 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:03:48,037 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:03:48,038 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:03:48,041 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-11-10 19:03:48,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:48,093 INFO L255 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-10 19:03:48,095 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:03:48,242 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 156 trivial. 0 not checked. [2024-11-10 19:03:48,243 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:03:48,376 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 156 trivial. 0 not checked. [2024-11-10 19:03:48,376 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1893732760] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 19:03:48,376 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 19:03:48,377 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 10 [2024-11-10 19:03:48,377 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [454892896] [2024-11-10 19:03:48,377 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 19:03:48,377 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-10 19:03:48,377 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:03:48,378 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-10 19:03:48,378 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=65, Unknown=0, NotChecked=0, Total=110 [2024-11-10 19:03:48,378 INFO L87 Difference]: Start difference. First operand 556 states and 709 transitions. Second operand has 11 states, 10 states have (on average 15.0) internal successors, (150), 11 states have internal predecessors, (150), 10 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 10 states have call predecessors, (30), 10 states have call successors, (30) [2024-11-10 19:03:48,790 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:03:48,790 INFO L93 Difference]: Finished difference Result 815 states and 1053 transitions. [2024-11-10 19:03:48,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-10 19:03:48,791 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 15.0) internal successors, (150), 11 states have internal predecessors, (150), 10 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 10 states have call predecessors, (30), 10 states have call successors, (30) Word has length 110 [2024-11-10 19:03:48,791 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:03:48,795 INFO L225 Difference]: With dead ends: 815 [2024-11-10 19:03:48,795 INFO L226 Difference]: Without dead ends: 813 [2024-11-10 19:03:48,795 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 251 GetRequests, 237 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=99, Invalid=141, Unknown=0, NotChecked=0, Total=240 [2024-11-10 19:03:48,796 INFO L432 NwaCegarLoop]: 48 mSDtfsCounter, 261 mSDsluCounter, 327 mSDsCounter, 0 mSdLazyCounter, 393 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 268 SdHoareTripleChecker+Valid, 375 SdHoareTripleChecker+Invalid, 439 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 393 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-10 19:03:48,796 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [268 Valid, 375 Invalid, 439 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 393 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-10 19:03:48,797 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 813 states. [2024-11-10 19:03:48,844 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 813 to 672. [2024-11-10 19:03:48,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 672 states, 559 states have (on average 1.1896243291592128) internal successors, (665), 574 states have internal predecessors, (665), 95 states have call successors, (95), 2 states have call predecessors, (95), 2 states have return successors, (95), 95 states have call predecessors, (95), 95 states have call successors, (95) [2024-11-10 19:03:48,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 672 states to 672 states and 855 transitions. [2024-11-10 19:03:48,847 INFO L78 Accepts]: Start accepts. Automaton has 672 states and 855 transitions. Word has length 110 [2024-11-10 19:03:48,848 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:03:48,848 INFO L471 AbstractCegarLoop]: Abstraction has 672 states and 855 transitions. [2024-11-10 19:03:48,848 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 15.0) internal successors, (150), 11 states have internal predecessors, (150), 10 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 10 states have call predecessors, (30), 10 states have call successors, (30) [2024-11-10 19:03:48,848 INFO L276 IsEmpty]: Start isEmpty. Operand 672 states and 855 transitions. [2024-11-10 19:03:48,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2024-11-10 19:03:48,849 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:03:48,849 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:03:48,867 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2024-11-10 19:03:49,050 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23,16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:03:49,050 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-10 19:03:49,050 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:03:49,050 INFO L85 PathProgramCache]: Analyzing trace with hash -2121736578, now seen corresponding path program 1 times [2024-11-10 19:03:49,050 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:03:49,050 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [514026046] [2024-11-10 19:03:49,051 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:03:49,051 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:03:49,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:03:49,066 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1806900578] [2024-11-10 19:03:49,066 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:03:49,066 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:03:49,066 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:03:49,068 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:03:49,069 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-11-10 19:03:49,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:49,124 INFO L255 TraceCheckSpWp]: Trace formula consists of 210 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-10 19:03:49,125 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:03:49,714 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 9 proven. 17 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2024-11-10 19:03:49,715 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:03:49,865 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:03:49,865 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [514026046] [2024-11-10 19:03:49,865 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:03:49,866 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1806900578] [2024-11-10 19:03:49,866 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1806900578] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:03:49,866 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-10 19:03:49,866 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2024-11-10 19:03:49,866 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [210721608] [2024-11-10 19:03:49,866 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-10 19:03:49,866 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-10 19:03:49,866 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:03:49,867 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-10 19:03:49,867 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=149, Unknown=0, NotChecked=0, Total=210 [2024-11-10 19:03:49,867 INFO L87 Difference]: Start difference. First operand 672 states and 855 transitions. Second operand has 12 states, 11 states have (on average 5.909090909090909) internal successors, (65), 11 states have internal predecessors, (65), 7 states have call successors, (13), 1 states have call predecessors, (13), 2 states have return successors, (13), 7 states have call predecessors, (13), 7 states have call successors, (13) [2024-11-10 19:03:50,790 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:03:50,790 INFO L93 Difference]: Finished difference Result 1206 states and 1577 transitions. [2024-11-10 19:03:50,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-10 19:03:50,791 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 5.909090909090909) internal successors, (65), 11 states have internal predecessors, (65), 7 states have call successors, (13), 1 states have call predecessors, (13), 2 states have return successors, (13), 7 states have call predecessors, (13), 7 states have call successors, (13) Word has length 121 [2024-11-10 19:03:50,791 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:03:50,796 INFO L225 Difference]: With dead ends: 1206 [2024-11-10 19:03:50,796 INFO L226 Difference]: Without dead ends: 1203 [2024-11-10 19:03:50,797 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 146 GetRequests, 127 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=126, Invalid=294, Unknown=0, NotChecked=0, Total=420 [2024-11-10 19:03:50,797 INFO L432 NwaCegarLoop]: 79 mSDtfsCounter, 263 mSDsluCounter, 427 mSDsCounter, 0 mSdLazyCounter, 1382 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 276 SdHoareTripleChecker+Valid, 506 SdHoareTripleChecker+Invalid, 1418 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 1382 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-10 19:03:50,798 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [276 Valid, 506 Invalid, 1418 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 1382 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-10 19:03:50,799 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1203 states. [2024-11-10 19:03:50,877 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1203 to 718. [2024-11-10 19:03:50,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 718 states, 596 states have (on average 1.1946308724832215) internal successors, (712), 611 states have internal predecessors, (712), 104 states have call successors, (104), 2 states have call predecessors, (104), 2 states have return successors, (104), 104 states have call predecessors, (104), 104 states have call successors, (104) [2024-11-10 19:03:50,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 718 states to 718 states and 920 transitions. [2024-11-10 19:03:50,885 INFO L78 Accepts]: Start accepts. Automaton has 718 states and 920 transitions. Word has length 121 [2024-11-10 19:03:50,886 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:03:50,886 INFO L471 AbstractCegarLoop]: Abstraction has 718 states and 920 transitions. [2024-11-10 19:03:50,886 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 5.909090909090909) internal successors, (65), 11 states have internal predecessors, (65), 7 states have call successors, (13), 1 states have call predecessors, (13), 2 states have return successors, (13), 7 states have call predecessors, (13), 7 states have call successors, (13) [2024-11-10 19:03:50,886 INFO L276 IsEmpty]: Start isEmpty. Operand 718 states and 920 transitions. [2024-11-10 19:03:50,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2024-11-10 19:03:50,887 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:03:50,888 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:03:50,904 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2024-11-10 19:03:51,088 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,SelfDestructingSolverStorable24 [2024-11-10 19:03:51,088 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-10 19:03:51,088 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:03:51,089 INFO L85 PathProgramCache]: Analyzing trace with hash -1349324433, now seen corresponding path program 1 times [2024-11-10 19:03:51,089 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:03:51,089 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [22359604] [2024-11-10 19:03:51,089 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:03:51,089 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:03:51,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:03:51,108 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [149717573] [2024-11-10 19:03:51,108 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:03:51,108 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:03:51,108 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:03:51,110 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:03:51,111 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2024-11-10 19:03:51,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:51,171 INFO L255 TraceCheckSpWp]: Trace formula consists of 211 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-10 19:03:51,173 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:03:51,692 INFO L134 CoverageAnalysis]: Checked inductivity of 213 backedges. 3 proven. 24 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2024-11-10 19:03:51,692 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:03:52,436 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:03:52,437 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [22359604] [2024-11-10 19:03:52,437 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:03:52,437 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [149717573] [2024-11-10 19:03:52,437 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [149717573] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:03:52,437 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-10 19:03:52,437 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2024-11-10 19:03:52,437 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2049872803] [2024-11-10 19:03:52,437 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-10 19:03:52,438 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-10 19:03:52,438 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:03:52,438 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-10 19:03:52,438 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=150, Unknown=0, NotChecked=0, Total=210 [2024-11-10 19:03:52,438 INFO L87 Difference]: Start difference. First operand 718 states and 920 transitions. Second operand has 12 states, 11 states have (on average 6.0) internal successors, (66), 11 states have internal predecessors, (66), 7 states have call successors, (13), 1 states have call predecessors, (13), 2 states have return successors, (13), 7 states have call predecessors, (13), 7 states have call successors, (13) [2024-11-10 19:03:52,865 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:03:52,865 INFO L93 Difference]: Finished difference Result 821 states and 1047 transitions. [2024-11-10 19:03:52,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-10 19:03:52,865 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 6.0) internal successors, (66), 11 states have internal predecessors, (66), 7 states have call successors, (13), 1 states have call predecessors, (13), 2 states have return successors, (13), 7 states have call predecessors, (13), 7 states have call successors, (13) Word has length 122 [2024-11-10 19:03:52,866 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:03:52,869 INFO L225 Difference]: With dead ends: 821 [2024-11-10 19:03:52,869 INFO L226 Difference]: Without dead ends: 818 [2024-11-10 19:03:52,869 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 143 GetRequests, 129 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=70, Invalid=170, Unknown=0, NotChecked=0, Total=240 [2024-11-10 19:03:52,870 INFO L432 NwaCegarLoop]: 69 mSDtfsCounter, 141 mSDsluCounter, 291 mSDsCounter, 0 mSdLazyCounter, 682 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 159 SdHoareTripleChecker+Valid, 360 SdHoareTripleChecker+Invalid, 685 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 682 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-10 19:03:52,870 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [159 Valid, 360 Invalid, 685 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 682 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-10 19:03:52,871 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 818 states. [2024-11-10 19:03:52,935 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 818 to 794. [2024-11-10 19:03:52,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 794 states, 660 states have (on average 1.190909090909091) internal successors, (786), 675 states have internal predecessors, (786), 116 states have call successors, (116), 2 states have call predecessors, (116), 2 states have return successors, (116), 116 states have call predecessors, (116), 116 states have call successors, (116) [2024-11-10 19:03:52,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 794 states to 794 states and 1018 transitions. [2024-11-10 19:03:52,939 INFO L78 Accepts]: Start accepts. Automaton has 794 states and 1018 transitions. Word has length 122 [2024-11-10 19:03:52,939 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:03:52,939 INFO L471 AbstractCegarLoop]: Abstraction has 794 states and 1018 transitions. [2024-11-10 19:03:52,940 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 6.0) internal successors, (66), 11 states have internal predecessors, (66), 7 states have call successors, (13), 1 states have call predecessors, (13), 2 states have return successors, (13), 7 states have call predecessors, (13), 7 states have call successors, (13) [2024-11-10 19:03:52,940 INFO L276 IsEmpty]: Start isEmpty. Operand 794 states and 1018 transitions. [2024-11-10 19:03:52,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2024-11-10 19:03:52,941 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:03:52,941 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:03:52,958 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Ended with exit code 0 [2024-11-10 19:03:53,145 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,SelfDestructingSolverStorable25 [2024-11-10 19:03:53,146 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-10 19:03:53,146 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:03:53,146 INFO L85 PathProgramCache]: Analyzing trace with hash 1120615580, now seen corresponding path program 1 times [2024-11-10 19:03:53,146 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:03:53,146 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1040928287] [2024-11-10 19:03:53,146 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:03:53,146 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:03:53,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:53,221 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 19:03:53,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:53,223 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-10 19:03:53,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:53,224 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-10 19:03:53,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:53,225 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-10 19:03:53,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:53,226 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-10 19:03:53,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:53,227 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 19:03:53,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:53,228 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-10 19:03:53,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:53,229 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-10 19:03:53,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:53,230 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-10 19:03:53,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:53,232 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-10 19:03:53,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:53,234 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-10 19:03:53,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:53,236 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-11-10 19:03:53,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:53,237 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-10 19:03:53,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:53,239 INFO L134 CoverageAnalysis]: Checked inductivity of 214 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 192 trivial. 0 not checked. [2024-11-10 19:03:53,240 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:03:53,240 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1040928287] [2024-11-10 19:03:53,240 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1040928287] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:03:53,240 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:03:53,240 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 19:03:53,240 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [871246955] [2024-11-10 19:03:53,240 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:03:53,240 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 19:03:53,240 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:03:53,241 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 19:03:53,241 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-10 19:03:53,241 INFO L87 Difference]: Start difference. First operand 794 states and 1018 transitions. Second operand has 6 states, 5 states have (on average 12.8) internal successors, (64), 6 states have internal predecessors, (64), 4 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 4 states have call predecessors, (13), 4 states have call successors, (13) [2024-11-10 19:03:54,223 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:03:54,224 INFO L93 Difference]: Finished difference Result 797 states and 1018 transitions. [2024-11-10 19:03:54,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-10 19:03:54,224 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 12.8) internal successors, (64), 6 states have internal predecessors, (64), 4 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 4 states have call predecessors, (13), 4 states have call successors, (13) Word has length 123 [2024-11-10 19:03:54,224 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:03:54,228 INFO L225 Difference]: With dead ends: 797 [2024-11-10 19:03:54,228 INFO L226 Difference]: Without dead ends: 796 [2024-11-10 19:03:54,228 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=60, Invalid=122, Unknown=0, NotChecked=0, Total=182 [2024-11-10 19:03:54,229 INFO L432 NwaCegarLoop]: 70 mSDtfsCounter, 93 mSDsluCounter, 161 mSDsCounter, 0 mSdLazyCounter, 198 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 94 SdHoareTripleChecker+Valid, 231 SdHoareTripleChecker+Invalid, 211 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 198 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-10 19:03:54,230 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [94 Valid, 231 Invalid, 211 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 198 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-10 19:03:54,230 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 796 states. [2024-11-10 19:03:54,304 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 796 to 755. [2024-11-10 19:03:54,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 755 states, 624 states have (on average 1.1875) internal successors, (741), 638 states have internal predecessors, (741), 114 states have call successors, (114), 2 states have call predecessors, (114), 2 states have return successors, (114), 114 states have call predecessors, (114), 114 states have call successors, (114) [2024-11-10 19:03:54,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 755 states to 755 states and 969 transitions. [2024-11-10 19:03:54,307 INFO L78 Accepts]: Start accepts. Automaton has 755 states and 969 transitions. Word has length 123 [2024-11-10 19:03:54,308 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:03:54,308 INFO L471 AbstractCegarLoop]: Abstraction has 755 states and 969 transitions. [2024-11-10 19:03:54,308 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 12.8) internal successors, (64), 6 states have internal predecessors, (64), 4 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 4 states have call predecessors, (13), 4 states have call successors, (13) [2024-11-10 19:03:54,308 INFO L276 IsEmpty]: Start isEmpty. Operand 755 states and 969 transitions. [2024-11-10 19:03:54,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-11-10 19:03:54,309 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:03:54,309 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:03:54,309 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2024-11-10 19:03:54,309 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-10 19:03:54,310 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:03:54,310 INFO L85 PathProgramCache]: Analyzing trace with hash 379344653, now seen corresponding path program 1 times [2024-11-10 19:03:54,310 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:03:54,310 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [667034595] [2024-11-10 19:03:54,310 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:03:54,310 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:03:54,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:03:54,327 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [428531247] [2024-11-10 19:03:54,327 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:03:54,328 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:03:54,328 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:03:54,335 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:03:54,339 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2024-11-10 19:03:54,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:54,393 INFO L255 TraceCheckSpWp]: Trace formula consists of 213 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-10 19:03:54,395 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:03:54,879 INFO L134 CoverageAnalysis]: Checked inductivity of 215 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2024-11-10 19:03:54,879 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:04:10,911 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:04:10,912 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [667034595] [2024-11-10 19:04:10,912 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:04:10,912 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [428531247] [2024-11-10 19:04:10,912 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [428531247] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:04:10,912 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-10 19:04:10,912 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2024-11-10 19:04:10,912 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1282289722] [2024-11-10 19:04:10,912 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-10 19:04:10,912 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-10 19:04:10,912 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:04:10,913 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-10 19:04:10,913 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=219, Unknown=4, NotChecked=0, Total=272 [2024-11-10 19:04:10,913 INFO L87 Difference]: Start difference. First operand 755 states and 969 transitions. Second operand has 11 states, 10 states have (on average 6.8) internal successors, (68), 11 states have internal predecessors, (68), 6 states have call successors, (13), 1 states have call predecessors, (13), 2 states have return successors, (13), 5 states have call predecessors, (13), 6 states have call successors, (13) [2024-11-10 19:04:11,546 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:04:11,546 INFO L93 Difference]: Finished difference Result 771 states and 977 transitions. [2024-11-10 19:04:11,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-10 19:04:11,547 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 6.8) internal successors, (68), 11 states have internal predecessors, (68), 6 states have call successors, (13), 1 states have call predecessors, (13), 2 states have return successors, (13), 5 states have call predecessors, (13), 6 states have call successors, (13) Word has length 124 [2024-11-10 19:04:11,548 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:04:11,551 INFO L225 Difference]: With dead ends: 771 [2024-11-10 19:04:11,551 INFO L226 Difference]: Without dead ends: 764 [2024-11-10 19:04:11,553 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 217 GetRequests, 196 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 16.0s TimeCoverageRelationStatistics Valid=94, Invalid=408, Unknown=4, NotChecked=0, Total=506 [2024-11-10 19:04:11,553 INFO L432 NwaCegarLoop]: 83 mSDtfsCounter, 203 mSDsluCounter, 342 mSDsCounter, 0 mSdLazyCounter, 684 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 209 SdHoareTripleChecker+Valid, 425 SdHoareTripleChecker+Invalid, 707 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 684 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-10 19:04:11,553 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [209 Valid, 425 Invalid, 707 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 684 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-10 19:04:11,554 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 764 states. [2024-11-10 19:04:11,617 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 764 to 623. [2024-11-10 19:04:11,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 623 states, 513 states have (on average 1.1910331384015596) internal successors, (611), 527 states have internal predecessors, (611), 93 states have call successors, (93), 2 states have call predecessors, (93), 2 states have return successors, (93), 93 states have call predecessors, (93), 93 states have call successors, (93) [2024-11-10 19:04:11,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 623 states to 623 states and 797 transitions. [2024-11-10 19:04:11,620 INFO L78 Accepts]: Start accepts. Automaton has 623 states and 797 transitions. Word has length 124 [2024-11-10 19:04:11,620 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:04:11,621 INFO L471 AbstractCegarLoop]: Abstraction has 623 states and 797 transitions. [2024-11-10 19:04:11,621 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 6.8) internal successors, (68), 11 states have internal predecessors, (68), 6 states have call successors, (13), 1 states have call predecessors, (13), 2 states have return successors, (13), 5 states have call predecessors, (13), 6 states have call successors, (13) [2024-11-10 19:04:11,621 INFO L276 IsEmpty]: Start isEmpty. Operand 623 states and 797 transitions. [2024-11-10 19:04:11,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-11-10 19:04:11,622 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:04:11,622 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:04:11,639 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Ended with exit code 0 [2024-11-10 19:04:11,826 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2024-11-10 19:04:11,827 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-10 19:04:11,827 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:04:11,827 INFO L85 PathProgramCache]: Analyzing trace with hash 1160541904, now seen corresponding path program 2 times [2024-11-10 19:04:11,828 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:04:11,828 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1065198937] [2024-11-10 19:04:11,828 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:04:11,828 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:04:11,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:04:11,840 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [322623095] [2024-11-10 19:04:11,840 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-10 19:04:11,840 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:04:11,840 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:04:11,842 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:04:11,843 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2024-11-10 19:04:11,904 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-10 19:04:11,904 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-10 19:04:11,905 INFO L255 TraceCheckSpWp]: Trace formula consists of 213 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-10 19:04:11,907 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:04:12,215 INFO L134 CoverageAnalysis]: Checked inductivity of 225 backedges. 0 proven. 39 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2024-11-10 19:04:12,215 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:04:14,173 INFO L134 CoverageAnalysis]: Checked inductivity of 225 backedges. 0 proven. 39 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2024-11-10 19:04:14,173 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:04:14,173 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1065198937] [2024-11-10 19:04:14,173 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:04:14,173 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [322623095] [2024-11-10 19:04:14,173 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [322623095] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 19:04:14,173 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-10 19:04:14,174 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 18 [2024-11-10 19:04:14,174 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1004519025] [2024-11-10 19:04:14,174 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-10 19:04:14,174 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-11-10 19:04:14,174 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:04:14,175 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-11-10 19:04:14,175 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=274, Unknown=0, NotChecked=0, Total=342 [2024-11-10 19:04:14,175 INFO L87 Difference]: Start difference. First operand 623 states and 797 transitions. Second operand has 19 states, 18 states have (on average 7.055555555555555) internal successors, (127), 19 states have internal predecessors, (127), 11 states have call successors, (25), 1 states have call predecessors, (25), 2 states have return successors, (26), 10 states have call predecessors, (26), 11 states have call successors, (26) [2024-11-10 19:04:17,852 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:04:17,853 INFO L93 Difference]: Finished difference Result 692 states and 878 transitions. [2024-11-10 19:04:17,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-11-10 19:04:17,853 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 18 states have (on average 7.055555555555555) internal successors, (127), 19 states have internal predecessors, (127), 11 states have call successors, (25), 1 states have call predecessors, (25), 2 states have return successors, (26), 10 states have call predecessors, (26), 11 states have call successors, (26) Word has length 124 [2024-11-10 19:04:17,854 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:04:17,856 INFO L225 Difference]: With dead ends: 692 [2024-11-10 19:04:17,857 INFO L226 Difference]: Without dead ends: 689 [2024-11-10 19:04:17,857 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 263 GetRequests, 229 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 232 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=317, Invalid=943, Unknown=0, NotChecked=0, Total=1260 [2024-11-10 19:04:17,858 INFO L432 NwaCegarLoop]: 59 mSDtfsCounter, 474 mSDsluCounter, 438 mSDsCounter, 0 mSdLazyCounter, 1302 mSolverCounterSat, 98 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 474 SdHoareTripleChecker+Valid, 497 SdHoareTripleChecker+Invalid, 1400 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 98 IncrementalHoareTripleChecker+Valid, 1302 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2024-11-10 19:04:17,858 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [474 Valid, 497 Invalid, 1400 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [98 Valid, 1302 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2024-11-10 19:04:17,859 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 689 states. [2024-11-10 19:04:17,928 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 689 to 618. [2024-11-10 19:04:17,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 618 states, 507 states have (on average 1.1617357001972386) internal successors, (589), 519 states have internal predecessors, (589), 96 states have call successors, (96), 2 states have call predecessors, (96), 2 states have return successors, (96), 96 states have call predecessors, (96), 96 states have call successors, (96) [2024-11-10 19:04:17,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 618 states to 618 states and 781 transitions. [2024-11-10 19:04:17,931 INFO L78 Accepts]: Start accepts. Automaton has 618 states and 781 transitions. Word has length 124 [2024-11-10 19:04:17,932 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:04:17,932 INFO L471 AbstractCegarLoop]: Abstraction has 618 states and 781 transitions. [2024-11-10 19:04:17,932 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 18 states have (on average 7.055555555555555) internal successors, (127), 19 states have internal predecessors, (127), 11 states have call successors, (25), 1 states have call predecessors, (25), 2 states have return successors, (26), 10 states have call predecessors, (26), 11 states have call successors, (26) [2024-11-10 19:04:17,932 INFO L276 IsEmpty]: Start isEmpty. Operand 618 states and 781 transitions. [2024-11-10 19:04:17,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2024-11-10 19:04:17,935 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:04:17,935 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:04:17,958 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Ended with exit code 0 [2024-11-10 19:04:18,136 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2024-11-10 19:04:18,136 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-10 19:04:18,136 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:04:18,136 INFO L85 PathProgramCache]: Analyzing trace with hash -1549618897, now seen corresponding path program 2 times [2024-11-10 19:04:18,136 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:04:18,137 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1183774502] [2024-11-10 19:04:18,137 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:04:18,137 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:04:18,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:04:18,198 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 19:04:18,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:04:18,200 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-10 19:04:18,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:04:18,201 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-10 19:04:18,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:04:18,202 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-10 19:04:18,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:04:18,203 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-10 19:04:18,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:04:18,204 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 19:04:18,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:04:18,207 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-10 19:04:18,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:04:18,209 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-10 19:04:18,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:04:18,211 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-10 19:04:18,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:04:18,213 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-10 19:04:18,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:04:18,215 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-10 19:04:18,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:04:18,216 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-10 19:04:18,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:04:18,218 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-10 19:04:18,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:04:18,219 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-10 19:04:18,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:04:18,221 INFO L134 CoverageAnalysis]: Checked inductivity of 277 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 232 trivial. 0 not checked. [2024-11-10 19:04:18,221 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:04:18,221 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1183774502] [2024-11-10 19:04:18,221 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1183774502] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:04:18,221 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:04:18,222 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 19:04:18,222 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1846134588] [2024-11-10 19:04:18,222 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:04:18,222 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 19:04:18,222 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:04:18,223 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 19:04:18,223 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-10 19:04:18,223 INFO L87 Difference]: Start difference. First operand 618 states and 781 transitions. Second operand has 5 states, 5 states have (on average 13.6) internal successors, (68), 5 states have internal predecessors, (68), 4 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 4 states have call predecessors, (14), 4 states have call successors, (14) [2024-11-10 19:04:18,554 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:04:18,554 INFO L93 Difference]: Finished difference Result 1085 states and 1374 transitions. [2024-11-10 19:04:18,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 19:04:18,554 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.6) internal successors, (68), 5 states have internal predecessors, (68), 4 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 4 states have call predecessors, (14), 4 states have call successors, (14) Word has length 132 [2024-11-10 19:04:18,554 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:04:18,557 INFO L225 Difference]: With dead ends: 1085 [2024-11-10 19:04:18,557 INFO L226 Difference]: Without dead ends: 668 [2024-11-10 19:04:18,558 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-10 19:04:18,559 INFO L432 NwaCegarLoop]: 60 mSDtfsCounter, 34 mSDsluCounter, 113 mSDsCounter, 0 mSdLazyCounter, 212 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 173 SdHoareTripleChecker+Invalid, 215 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 212 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-10 19:04:18,559 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [35 Valid, 173 Invalid, 215 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 212 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-10 19:04:18,560 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 668 states. [2024-11-10 19:04:18,639 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 668 to 662. [2024-11-10 19:04:18,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 662 states, 547 states have (on average 1.1608775137111518) internal successors, (635), 559 states have internal predecessors, (635), 100 states have call successors, (100), 2 states have call predecessors, (100), 2 states have return successors, (100), 100 states have call predecessors, (100), 100 states have call successors, (100) [2024-11-10 19:04:18,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 662 states to 662 states and 835 transitions. [2024-11-10 19:04:18,642 INFO L78 Accepts]: Start accepts. Automaton has 662 states and 835 transitions. Word has length 132 [2024-11-10 19:04:18,643 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:04:18,643 INFO L471 AbstractCegarLoop]: Abstraction has 662 states and 835 transitions. [2024-11-10 19:04:18,643 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.6) internal successors, (68), 5 states have internal predecessors, (68), 4 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 4 states have call predecessors, (14), 4 states have call successors, (14) [2024-11-10 19:04:18,644 INFO L276 IsEmpty]: Start isEmpty. Operand 662 states and 835 transitions. [2024-11-10 19:04:18,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2024-11-10 19:04:18,645 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:04:18,645 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:04:18,645 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2024-11-10 19:04:18,645 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-10 19:04:18,646 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:04:18,646 INFO L85 PathProgramCache]: Analyzing trace with hash -1021630838, now seen corresponding path program 2 times [2024-11-10 19:04:18,646 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:04:18,646 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1324831299] [2024-11-10 19:04:18,646 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:04:18,647 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:04:18,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:04:18,668 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [25842743] [2024-11-10 19:04:18,668 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-10 19:04:18,668 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:04:18,668 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:04:18,670 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:04:18,671 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2024-11-10 19:04:18,739 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-10 19:04:18,739 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-10 19:04:18,741 INFO L255 TraceCheckSpWp]: Trace formula consists of 269 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-10 19:04:18,743 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:04:19,374 INFO L134 CoverageAnalysis]: Checked inductivity of 435 backedges. 0 proven. 65 refuted. 0 times theorem prover too weak. 370 trivial. 0 not checked. [2024-11-10 19:04:19,374 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:04:19,503 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:04:19,504 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1324831299] [2024-11-10 19:04:19,504 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:04:19,504 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [25842743] [2024-11-10 19:04:19,504 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [25842743] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:04:19,504 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-10 19:04:19,504 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2024-11-10 19:04:19,505 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1778595935] [2024-11-10 19:04:19,505 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-10 19:04:19,505 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-10 19:04:19,505 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:04:19,506 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-10 19:04:19,506 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=223, Unknown=0, NotChecked=0, Total=272 [2024-11-10 19:04:19,506 INFO L87 Difference]: Start difference. First operand 662 states and 835 transitions. Second operand has 14 states, 13 states have (on average 6.615384615384615) internal successors, (86), 14 states have internal predecessors, (86), 8 states have call successors, (17), 1 states have call predecessors, (17), 2 states have return successors, (17), 7 states have call predecessors, (17), 8 states have call successors, (17) [2024-11-10 19:04:20,241 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:04:20,241 INFO L93 Difference]: Finished difference Result 759 states and 956 transitions. [2024-11-10 19:04:20,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-10 19:04:20,241 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 6.615384615384615) internal successors, (86), 14 states have internal predecessors, (86), 8 states have call successors, (17), 1 states have call predecessors, (17), 2 states have return successors, (17), 7 states have call predecessors, (17), 8 states have call successors, (17) Word has length 162 [2024-11-10 19:04:20,242 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:04:20,244 INFO L225 Difference]: With dead ends: 759 [2024-11-10 19:04:20,245 INFO L226 Difference]: Without dead ends: 756 [2024-11-10 19:04:20,245 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 193 GetRequests, 166 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 128 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=147, Invalid=665, Unknown=0, NotChecked=0, Total=812 [2024-11-10 19:04:20,246 INFO L432 NwaCegarLoop]: 90 mSDtfsCounter, 258 mSDsluCounter, 399 mSDsCounter, 0 mSdLazyCounter, 1048 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 264 SdHoareTripleChecker+Valid, 489 SdHoareTripleChecker+Invalid, 1080 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 1048 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-10 19:04:20,246 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [264 Valid, 489 Invalid, 1080 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 1048 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-10 19:04:20,246 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 756 states. [2024-11-10 19:04:20,312 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 756 to 736. [2024-11-10 19:04:20,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 736 states, 609 states have (on average 1.160919540229885) internal successors, (707), 621 states have internal predecessors, (707), 112 states have call successors, (112), 2 states have call predecessors, (112), 2 states have return successors, (112), 112 states have call predecessors, (112), 112 states have call successors, (112) [2024-11-10 19:04:20,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 736 states to 736 states and 931 transitions. [2024-11-10 19:04:20,316 INFO L78 Accepts]: Start accepts. Automaton has 736 states and 931 transitions. Word has length 162 [2024-11-10 19:04:20,316 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:04:20,316 INFO L471 AbstractCegarLoop]: Abstraction has 736 states and 931 transitions. [2024-11-10 19:04:20,316 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 6.615384615384615) internal successors, (86), 14 states have internal predecessors, (86), 8 states have call successors, (17), 1 states have call predecessors, (17), 2 states have return successors, (17), 7 states have call predecessors, (17), 8 states have call successors, (17) [2024-11-10 19:04:20,316 INFO L276 IsEmpty]: Start isEmpty. Operand 736 states and 931 transitions. [2024-11-10 19:04:20,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2024-11-10 19:04:20,317 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:04:20,318 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:04:20,335 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Ended with exit code 0 [2024-11-10 19:04:20,521 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,SelfDestructingSolverStorable30 [2024-11-10 19:04:20,521 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-10 19:04:20,522 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:04:20,522 INFO L85 PathProgramCache]: Analyzing trace with hash -1605784861, now seen corresponding path program 2 times [2024-11-10 19:04:20,522 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:04:20,522 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [954393462] [2024-11-10 19:04:20,522 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:04:20,523 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:04:20,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:04:20,543 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [56171377] [2024-11-10 19:04:20,544 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-10 19:04:20,544 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:04:20,544 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:04:20,545 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:04:20,547 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2024-11-10 19:04:20,658 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-10 19:04:20,658 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-10 19:04:20,659 INFO L255 TraceCheckSpWp]: Trace formula consists of 270 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-10 19:04:20,662 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:04:21,348 INFO L134 CoverageAnalysis]: Checked inductivity of 436 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 370 trivial. 0 not checked. [2024-11-10 19:04:21,348 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:04:21,768 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:04:21,768 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [954393462] [2024-11-10 19:04:21,768 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:04:21,768 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [56171377] [2024-11-10 19:04:21,768 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [56171377] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:04:21,768 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-10 19:04:21,768 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2024-11-10 19:04:21,768 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [846295305] [2024-11-10 19:04:21,769 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-10 19:04:21,769 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-10 19:04:21,769 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:04:21,770 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-10 19:04:21,770 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=223, Unknown=0, NotChecked=0, Total=272 [2024-11-10 19:04:21,770 INFO L87 Difference]: Start difference. First operand 736 states and 931 transitions. Second operand has 14 states, 13 states have (on average 6.6923076923076925) internal successors, (87), 14 states have internal predecessors, (87), 8 states have call successors, (17), 1 states have call predecessors, (17), 2 states have return successors, (17), 7 states have call predecessors, (17), 8 states have call successors, (17) [2024-11-10 19:04:22,526 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:04:22,527 INFO L93 Difference]: Finished difference Result 759 states and 949 transitions. [2024-11-10 19:04:22,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-10 19:04:22,527 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 6.6923076923076925) internal successors, (87), 14 states have internal predecessors, (87), 8 states have call successors, (17), 1 states have call predecessors, (17), 2 states have return successors, (17), 7 states have call predecessors, (17), 8 states have call successors, (17) Word has length 163 [2024-11-10 19:04:22,528 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:04:22,530 INFO L225 Difference]: With dead ends: 759 [2024-11-10 19:04:22,530 INFO L226 Difference]: Without dead ends: 756 [2024-11-10 19:04:22,531 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 193 GetRequests, 168 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 102 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=126, Invalid=576, Unknown=0, NotChecked=0, Total=702 [2024-11-10 19:04:22,531 INFO L432 NwaCegarLoop]: 90 mSDtfsCounter, 234 mSDsluCounter, 399 mSDsCounter, 0 mSdLazyCounter, 959 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 240 SdHoareTripleChecker+Valid, 489 SdHoareTripleChecker+Invalid, 986 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 959 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-10 19:04:22,532 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [240 Valid, 489 Invalid, 986 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 959 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-10 19:04:22,532 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 756 states. [2024-11-10 19:04:22,605 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 756 to 738. [2024-11-10 19:04:22,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 738 states, 611 states have (on average 1.1505728314238952) internal successors, (703), 623 states have internal predecessors, (703), 112 states have call successors, (112), 2 states have call predecessors, (112), 2 states have return successors, (112), 112 states have call predecessors, (112), 112 states have call successors, (112) [2024-11-10 19:04:22,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 738 states to 738 states and 927 transitions. [2024-11-10 19:04:22,613 INFO L78 Accepts]: Start accepts. Automaton has 738 states and 927 transitions. Word has length 163 [2024-11-10 19:04:22,613 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:04:22,613 INFO L471 AbstractCegarLoop]: Abstraction has 738 states and 927 transitions. [2024-11-10 19:04:22,613 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 6.6923076923076925) internal successors, (87), 14 states have internal predecessors, (87), 8 states have call successors, (17), 1 states have call predecessors, (17), 2 states have return successors, (17), 7 states have call predecessors, (17), 8 states have call successors, (17) [2024-11-10 19:04:22,613 INFO L276 IsEmpty]: Start isEmpty. Operand 738 states and 927 transitions. [2024-11-10 19:04:22,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2024-11-10 19:04:22,615 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:04:22,615 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:04:22,622 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Ended with exit code 0 [2024-11-10 19:04:22,815 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31,22 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:04:22,816 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-10 19:04:22,816 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:04:22,816 INFO L85 PathProgramCache]: Analyzing trace with hash -1265990783, now seen corresponding path program 2 times [2024-11-10 19:04:22,816 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:04:22,816 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1992972369] [2024-11-10 19:04:22,816 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:04:22,816 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:04:22,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:04:22,845 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [774596340] [2024-11-10 19:04:22,845 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-10 19:04:22,845 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:04:22,846 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:04:22,848 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:04:22,850 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2024-11-10 19:04:22,914 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-10 19:04:22,914 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-10 19:04:22,915 INFO L255 TraceCheckSpWp]: Trace formula consists of 272 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-11-10 19:04:22,918 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:04:23,623 INFO L134 CoverageAnalysis]: Checked inductivity of 438 backedges. 0 proven. 68 refuted. 0 times theorem prover too weak. 370 trivial. 0 not checked. [2024-11-10 19:04:23,623 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:04:25,224 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:04:25,224 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1992972369] [2024-11-10 19:04:25,224 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:04:25,224 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [774596340] [2024-11-10 19:04:25,224 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [774596340] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:04:25,225 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-10 19:04:25,225 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2024-11-10 19:04:25,225 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [224019669] [2024-11-10 19:04:25,225 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-10 19:04:25,225 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-10 19:04:25,225 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:04:25,226 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-10 19:04:25,226 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=124, Invalid=476, Unknown=0, NotChecked=0, Total=600 [2024-11-10 19:04:25,226 INFO L87 Difference]: Start difference. First operand 738 states and 927 transitions. Second operand has 15 states, 14 states have (on average 6.357142857142857) internal successors, (89), 15 states have internal predecessors, (89), 7 states have call successors, (17), 1 states have call predecessors, (17), 2 states have return successors, (17), 6 states have call predecessors, (17), 7 states have call successors, (17) [2024-11-10 19:04:26,028 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:04:26,028 INFO L93 Difference]: Finished difference Result 753 states and 935 transitions. [2024-11-10 19:04:26,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-10 19:04:26,029 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 6.357142857142857) internal successors, (89), 15 states have internal predecessors, (89), 7 states have call successors, (17), 1 states have call predecessors, (17), 2 states have return successors, (17), 6 states have call predecessors, (17), 7 states have call successors, (17) Word has length 165 [2024-11-10 19:04:26,029 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:04:26,032 INFO L225 Difference]: With dead ends: 753 [2024-11-10 19:04:26,032 INFO L226 Difference]: Without dead ends: 746 [2024-11-10 19:04:26,033 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 305 GetRequests, 270 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 227 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=285, Invalid=1047, Unknown=0, NotChecked=0, Total=1332 [2024-11-10 19:04:26,033 INFO L432 NwaCegarLoop]: 91 mSDtfsCounter, 256 mSDsluCounter, 406 mSDsCounter, 0 mSdLazyCounter, 1055 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 262 SdHoareTripleChecker+Valid, 497 SdHoareTripleChecker+Invalid, 1089 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 1055 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-10 19:04:26,034 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [262 Valid, 497 Invalid, 1089 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 1055 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-10 19:04:26,034 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 746 states. [2024-11-10 19:04:26,108 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 746 to 736. [2024-11-10 19:04:26,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 736 states, 609 states have (on average 1.1395730706075533) internal successors, (694), 621 states have internal predecessors, (694), 112 states have call successors, (112), 2 states have call predecessors, (112), 2 states have return successors, (112), 112 states have call predecessors, (112), 112 states have call successors, (112) [2024-11-10 19:04:26,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 736 states to 736 states and 918 transitions. [2024-11-10 19:04:26,111 INFO L78 Accepts]: Start accepts. Automaton has 736 states and 918 transitions. Word has length 165 [2024-11-10 19:04:26,112 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:04:26,112 INFO L471 AbstractCegarLoop]: Abstraction has 736 states and 918 transitions. [2024-11-10 19:04:26,112 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 6.357142857142857) internal successors, (89), 15 states have internal predecessors, (89), 7 states have call successors, (17), 1 states have call predecessors, (17), 2 states have return successors, (17), 6 states have call predecessors, (17), 7 states have call successors, (17) [2024-11-10 19:04:26,112 INFO L276 IsEmpty]: Start isEmpty. Operand 736 states and 918 transitions. [2024-11-10 19:04:26,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2024-11-10 19:04:26,113 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:04:26,113 INFO L215 NwaCegarLoop]: trace histogram [15, 15, 15, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:04:26,131 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Ended with exit code 0 [2024-11-10 19:04:26,317 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32,23 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:04:26,319 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-10 19:04:26,319 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:04:26,319 INFO L85 PathProgramCache]: Analyzing trace with hash 1705453987, now seen corresponding path program 3 times [2024-11-10 19:04:26,319 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:04:26,319 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2094203903] [2024-11-10 19:04:26,319 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:04:26,320 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:04:26,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:04:26,342 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [871958485] [2024-11-10 19:04:26,342 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-10 19:04:26,342 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:04:26,342 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:04:26,346 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:04:26,347 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2024-11-10 19:04:26,464 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2024-11-10 19:04:26,465 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-10 19:04:26,466 INFO L255 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-10 19:04:26,469 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:04:27,340 INFO L134 CoverageAnalysis]: Checked inductivity of 505 backedges. 67 proven. 71 refuted. 0 times theorem prover too weak. 367 trivial. 0 not checked. [2024-11-10 19:04:27,340 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:04:28,207 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:04:28,207 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2094203903] [2024-11-10 19:04:28,207 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:04:28,208 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [871958485] [2024-11-10 19:04:28,208 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [871958485] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:04:28,208 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-10 19:04:28,208 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2024-11-10 19:04:28,208 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2072291078] [2024-11-10 19:04:28,208 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-10 19:04:28,209 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-10 19:04:28,209 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:04:28,209 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-10 19:04:28,209 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=178, Unknown=0, NotChecked=0, Total=240 [2024-11-10 19:04:28,210 INFO L87 Difference]: Start difference. First operand 736 states and 918 transitions. Second operand has 11 states, 10 states have (on average 8.3) internal successors, (83), 11 states have internal predecessors, (83), 5 states have call successors, (15), 1 states have call predecessors, (15), 2 states have return successors, (15), 4 states have call predecessors, (15), 5 states have call successors, (15) [2024-11-10 19:04:34,343 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-10 19:04:34,580 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:04:34,581 INFO L93 Difference]: Finished difference Result 1197 states and 1531 transitions. [2024-11-10 19:04:34,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-10 19:04:34,581 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 8.3) internal successors, (83), 11 states have internal predecessors, (83), 5 states have call successors, (15), 1 states have call predecessors, (15), 2 states have return successors, (15), 4 states have call predecessors, (15), 5 states have call successors, (15) Word has length 173 [2024-11-10 19:04:34,582 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:04:34,585 INFO L225 Difference]: With dead ends: 1197 [2024-11-10 19:04:34,585 INFO L226 Difference]: Without dead ends: 1194 [2024-11-10 19:04:34,586 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 196 GetRequests, 179 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=95, Invalid=247, Unknown=0, NotChecked=0, Total=342 [2024-11-10 19:04:34,586 INFO L432 NwaCegarLoop]: 43 mSDtfsCounter, 143 mSDsluCounter, 184 mSDsCounter, 0 mSdLazyCounter, 385 mSolverCounterSat, 24 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 151 SdHoareTripleChecker+Valid, 227 SdHoareTripleChecker+Invalid, 410 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 385 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.2s IncrementalHoareTripleChecker+Time [2024-11-10 19:04:34,587 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [151 Valid, 227 Invalid, 410 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 385 Invalid, 1 Unknown, 0 Unchecked, 6.2s Time] [2024-11-10 19:04:34,587 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1194 states. [2024-11-10 19:04:34,724 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1194 to 1158. [2024-11-10 19:04:34,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1158 states, 964 states have (on average 1.157676348547718) internal successors, (1116), 976 states have internal predecessors, (1116), 179 states have call successors, (179), 2 states have call predecessors, (179), 2 states have return successors, (179), 179 states have call predecessors, (179), 179 states have call successors, (179) [2024-11-10 19:04:34,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1158 states to 1158 states and 1474 transitions. [2024-11-10 19:04:34,730 INFO L78 Accepts]: Start accepts. Automaton has 1158 states and 1474 transitions. Word has length 173 [2024-11-10 19:04:34,730 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:04:34,730 INFO L471 AbstractCegarLoop]: Abstraction has 1158 states and 1474 transitions. [2024-11-10 19:04:34,730 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 8.3) internal successors, (83), 11 states have internal predecessors, (83), 5 states have call successors, (15), 1 states have call predecessors, (15), 2 states have return successors, (15), 4 states have call predecessors, (15), 5 states have call successors, (15) [2024-11-10 19:04:34,731 INFO L276 IsEmpty]: Start isEmpty. Operand 1158 states and 1474 transitions. [2024-11-10 19:04:34,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2024-11-10 19:04:34,731 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:04:34,732 INFO L215 NwaCegarLoop]: trace histogram [15, 15, 15, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:04:34,740 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Forceful destruction successful, exit code 0 [2024-11-10 19:04:34,936 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33,24 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:04:34,936 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-10 19:04:34,936 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:04:34,937 INFO L85 PathProgramCache]: Analyzing trace with hash -1736224191, now seen corresponding path program 3 times [2024-11-10 19:04:34,937 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:04:34,937 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [111108184] [2024-11-10 19:04:34,937 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:04:34,937 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:04:34,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:04:34,967 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [30705918] [2024-11-10 19:04:34,967 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-10 19:04:34,967 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:04:34,967 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:04:34,969 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:04:34,970 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2024-11-10 19:04:35,038 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2024-11-10 19:04:35,038 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-10 19:04:35,040 INFO L255 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-10 19:04:35,042 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:04:35,612 INFO L134 CoverageAnalysis]: Checked inductivity of 509 backedges. 82 proven. 66 refuted. 0 times theorem prover too weak. 361 trivial. 0 not checked. [2024-11-10 19:04:35,612 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:04:35,933 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:04:35,933 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [111108184] [2024-11-10 19:04:35,933 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:04:35,933 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [30705918] [2024-11-10 19:04:35,933 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [30705918] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:04:35,933 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-10 19:04:35,933 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2024-11-10 19:04:35,934 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1503683194] [2024-11-10 19:04:35,934 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-10 19:04:35,934 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-10 19:04:35,934 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:04:35,934 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-10 19:04:35,935 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=318, Unknown=0, NotChecked=0, Total=380 [2024-11-10 19:04:35,935 INFO L87 Difference]: Start difference. First operand 1158 states and 1474 transitions. Second operand has 15 states, 14 states have (on average 6.285714285714286) internal successors, (88), 14 states have internal predecessors, (88), 5 states have call successors, (15), 1 states have call predecessors, (15), 3 states have return successors, (15), 6 states have call predecessors, (15), 5 states have call successors, (15) [2024-11-10 19:04:37,793 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:04:37,793 INFO L93 Difference]: Finished difference Result 1184 states and 1493 transitions. [2024-11-10 19:04:37,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-10 19:04:37,794 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 6.285714285714286) internal successors, (88), 14 states have internal predecessors, (88), 5 states have call successors, (15), 1 states have call predecessors, (15), 3 states have return successors, (15), 6 states have call predecessors, (15), 5 states have call successors, (15) Word has length 175 [2024-11-10 19:04:37,794 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:04:37,798 INFO L225 Difference]: With dead ends: 1184 [2024-11-10 19:04:37,798 INFO L226 Difference]: Without dead ends: 1157 [2024-11-10 19:04:37,799 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 199 GetRequests, 179 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 74 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=79, Invalid=383, Unknown=0, NotChecked=0, Total=462 [2024-11-10 19:04:37,799 INFO L432 NwaCegarLoop]: 54 mSDtfsCounter, 154 mSDsluCounter, 448 mSDsCounter, 0 mSdLazyCounter, 1117 mSolverCounterSat, 13 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 168 SdHoareTripleChecker+Valid, 502 SdHoareTripleChecker+Invalid, 1131 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 1117 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2024-11-10 19:04:37,800 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [168 Valid, 502 Invalid, 1131 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 1117 Invalid, 1 Unknown, 0 Unchecked, 1.6s Time] [2024-11-10 19:04:37,800 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1157 states. [2024-11-10 19:04:37,938 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1157 to 1139. [2024-11-10 19:04:37,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1139 states, 947 states have (on average 1.1372756071805703) internal successors, (1077), 959 states have internal predecessors, (1077), 177 states have call successors, (177), 2 states have call predecessors, (177), 2 states have return successors, (177), 177 states have call predecessors, (177), 177 states have call successors, (177) [2024-11-10 19:04:37,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1139 states to 1139 states and 1431 transitions. [2024-11-10 19:04:37,946 INFO L78 Accepts]: Start accepts. Automaton has 1139 states and 1431 transitions. Word has length 175 [2024-11-10 19:04:37,946 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:04:37,946 INFO L471 AbstractCegarLoop]: Abstraction has 1139 states and 1431 transitions. [2024-11-10 19:04:37,946 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 6.285714285714286) internal successors, (88), 14 states have internal predecessors, (88), 5 states have call successors, (15), 1 states have call predecessors, (15), 3 states have return successors, (15), 6 states have call predecessors, (15), 5 states have call successors, (15) [2024-11-10 19:04:37,947 INFO L276 IsEmpty]: Start isEmpty. Operand 1139 states and 1431 transitions. [2024-11-10 19:04:37,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2024-11-10 19:04:37,949 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:04:37,950 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 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] [2024-11-10 19:04:37,966 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Ended with exit code 0 [2024-11-10 19:04:38,153 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34,25 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:04:38,154 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-10 19:04:38,154 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:04:38,154 INFO L85 PathProgramCache]: Analyzing trace with hash 1386488406, now seen corresponding path program 1 times [2024-11-10 19:04:38,154 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:04:38,154 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [447198387] [2024-11-10 19:04:38,154 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:04:38,154 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:04:38,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:04:38,280 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 19:04:38,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:04:38,282 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-10 19:04:38,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:04:38,283 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-10 19:04:38,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:04:38,285 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-10 19:04:38,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:04:38,287 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-10 19:04:38,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:04:38,288 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 19:04:38,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:04:38,292 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-10 19:04:38,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:04:38,294 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-10 19:04:38,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:04:38,297 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-10 19:04:38,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:04:38,299 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-10 19:04:38,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:04:38,300 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-10 19:04:38,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:04:38,302 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-11-10 19:04:38,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:04:38,304 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-10 19:04:38,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:04:38,307 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-11-10 19:04:38,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:04:38,310 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-10 19:04:38,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:04:38,312 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-10 19:04:38,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:04:38,313 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-10 19:04:38,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:04:38,316 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-10 19:04:38,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:04:38,318 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-11-10 19:04:38,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:04:38,320 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-11-10 19:04:38,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:04:38,321 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2024-11-10 19:04:38,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:04:38,323 INFO L134 CoverageAnalysis]: Checked inductivity of 762 backedges. 0 proven. 138 refuted. 0 times theorem prover too weak. 624 trivial. 0 not checked. [2024-11-10 19:04:38,324 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:04:38,324 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [447198387] [2024-11-10 19:04:38,324 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [447198387] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:04:38,324 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1083325770] [2024-11-10 19:04:38,324 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:04:38,324 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:04:38,324 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:04:38,327 INFO L229 MonitoredProcess]: Starting monitored process 26 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:04:38,329 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process [2024-11-10 19:04:38,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:04:38,397 INFO L255 TraceCheckSpWp]: Trace formula consists of 321 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-10 19:04:38,400 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:04:38,509 INFO L134 CoverageAnalysis]: Checked inductivity of 762 backedges. 0 proven. 138 refuted. 0 times theorem prover too weak. 624 trivial. 0 not checked. [2024-11-10 19:04:38,509 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:04:38,708 INFO L134 CoverageAnalysis]: Checked inductivity of 762 backedges. 0 proven. 138 refuted. 0 times theorem prover too weak. 624 trivial. 0 not checked. [2024-11-10 19:04:38,708 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1083325770] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 19:04:38,708 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 19:04:38,709 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2024-11-10 19:04:38,709 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [494618953] [2024-11-10 19:04:38,709 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 19:04:38,709 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-10 19:04:38,710 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:04:38,710 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-10 19:04:38,710 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=55, Unknown=0, NotChecked=0, Total=110 [2024-11-10 19:04:38,711 INFO L87 Difference]: Start difference. First operand 1139 states and 1431 transitions. Second operand has 11 states, 10 states have (on average 19.9) internal successors, (199), 11 states have internal predecessors, (199), 10 states have call successors, (41), 1 states have call predecessors, (41), 1 states have return successors, (41), 10 states have call predecessors, (41), 10 states have call successors, (41) [2024-11-10 19:04:39,255 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:04:39,255 INFO L93 Difference]: Finished difference Result 2679 states and 3391 transitions. [2024-11-10 19:04:39,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-10 19:04:39,256 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 19.9) internal successors, (199), 11 states have internal predecessors, (199), 10 states have call successors, (41), 1 states have call predecessors, (41), 1 states have return successors, (41), 10 states have call predecessors, (41), 10 states have call successors, (41) Word has length 198 [2024-11-10 19:04:39,256 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:04:39,263 INFO L225 Difference]: With dead ends: 2679 [2024-11-10 19:04:39,263 INFO L226 Difference]: Without dead ends: 2678 [2024-11-10 19:04:39,263 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 441 GetRequests, 432 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=55, Invalid=55, Unknown=0, NotChecked=0, Total=110 [2024-11-10 19:04:39,264 INFO L432 NwaCegarLoop]: 86 mSDtfsCounter, 448 mSDsluCounter, 401 mSDsCounter, 0 mSdLazyCounter, 189 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 466 SdHoareTripleChecker+Valid, 487 SdHoareTripleChecker+Invalid, 212 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 189 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-10 19:04:39,264 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [466 Valid, 487 Invalid, 212 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 189 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-10 19:04:39,265 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2678 states. [2024-11-10 19:04:39,445 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2678 to 1998. [2024-11-10 19:04:39,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1998 states, 1670 states have (on average 1.1538922155688622) internal successors, (1927), 1682 states have internal predecessors, (1927), 313 states have call successors, (313), 2 states have call predecessors, (313), 2 states have return successors, (313), 313 states have call predecessors, (313), 313 states have call successors, (313) [2024-11-10 19:04:39,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1998 states to 1998 states and 2553 transitions. [2024-11-10 19:04:39,450 INFO L78 Accepts]: Start accepts. Automaton has 1998 states and 2553 transitions. Word has length 198 [2024-11-10 19:04:39,450 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:04:39,450 INFO L471 AbstractCegarLoop]: Abstraction has 1998 states and 2553 transitions. [2024-11-10 19:04:39,450 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 19.9) internal successors, (199), 11 states have internal predecessors, (199), 10 states have call successors, (41), 1 states have call predecessors, (41), 1 states have return successors, (41), 10 states have call predecessors, (41), 10 states have call successors, (41) [2024-11-10 19:04:39,450 INFO L276 IsEmpty]: Start isEmpty. Operand 1998 states and 2553 transitions. [2024-11-10 19:04:39,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2024-11-10 19:04:39,451 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:04:39,451 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2024-11-10 19:04:39,467 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Forceful destruction successful, exit code 0 [2024-11-10 19:04:39,652 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,SelfDestructingSolverStorable35 [2024-11-10 19:04:39,652 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-10 19:04:39,652 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:04:39,652 INFO L85 PathProgramCache]: Analyzing trace with hash -1116185602, now seen corresponding path program 3 times [2024-11-10 19:04:39,652 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:04:39,653 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [596626855] [2024-11-10 19:04:39,653 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:04:39,653 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:04:39,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:04:39,680 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [13000942] [2024-11-10 19:04:39,680 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-10 19:04:39,680 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:04:39,680 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:04:39,682 INFO L229 MonitoredProcess]: Starting monitored process 27 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:04:39,683 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Waiting until timeout for monitored process [2024-11-10 19:04:39,791 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-11-10 19:04:39,791 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-10 19:04:39,792 INFO L255 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-10 19:04:39,795 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:04:40,166 INFO L134 CoverageAnalysis]: Checked inductivity of 747 backedges. 51 proven. 6 refuted. 0 times theorem prover too weak. 690 trivial. 0 not checked. [2024-11-10 19:04:40,166 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:04:40,288 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:04:40,288 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [596626855] [2024-11-10 19:04:40,288 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:04:40,288 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [13000942] [2024-11-10 19:04:40,289 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [13000942] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:04:40,289 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-10 19:04:40,289 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2024-11-10 19:04:40,289 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1489146384] [2024-11-10 19:04:40,289 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-10 19:04:40,289 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-10 19:04:40,289 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:04:40,290 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-10 19:04:40,290 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2024-11-10 19:04:40,290 INFO L87 Difference]: Start difference. First operand 1998 states and 2553 transitions. Second operand has 9 states, 8 states have (on average 6.875) internal successors, (55), 8 states have internal predecessors, (55), 3 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2024-11-10 19:04:41,214 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:04:41,214 INFO L93 Difference]: Finished difference Result 2006 states and 2554 transitions. [2024-11-10 19:04:41,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-10 19:04:41,214 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 6.875) internal successors, (55), 8 states have internal predecessors, (55), 3 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) Word has length 203 [2024-11-10 19:04:41,214 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:04:41,220 INFO L225 Difference]: With dead ends: 2006 [2024-11-10 19:04:41,220 INFO L226 Difference]: Without dead ends: 2002 [2024-11-10 19:04:41,221 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 211 GetRequests, 195 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=88, Invalid=218, Unknown=0, NotChecked=0, Total=306 [2024-11-10 19:04:41,221 INFO L432 NwaCegarLoop]: 52 mSDtfsCounter, 196 mSDsluCounter, 213 mSDsCounter, 0 mSdLazyCounter, 278 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 202 SdHoareTripleChecker+Valid, 265 SdHoareTripleChecker+Invalid, 305 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 278 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-10 19:04:41,222 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [202 Valid, 265 Invalid, 305 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 278 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-10 19:04:41,223 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2002 states. [2024-11-10 19:04:41,382 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2002 to 1816. [2024-11-10 19:04:41,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1816 states, 1517 states have (on average 1.1489782465392222) internal successors, (1743), 1529 states have internal predecessors, (1743), 284 states have call successors, (284), 2 states have call predecessors, (284), 2 states have return successors, (284), 284 states have call predecessors, (284), 284 states have call successors, (284) [2024-11-10 19:04:41,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1816 states to 1816 states and 2311 transitions. [2024-11-10 19:04:41,386 INFO L78 Accepts]: Start accepts. Automaton has 1816 states and 2311 transitions. Word has length 203 [2024-11-10 19:04:41,386 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:04:41,387 INFO L471 AbstractCegarLoop]: Abstraction has 1816 states and 2311 transitions. [2024-11-10 19:04:41,387 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 6.875) internal successors, (55), 8 states have internal predecessors, (55), 3 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2024-11-10 19:04:41,387 INFO L276 IsEmpty]: Start isEmpty. Operand 1816 states and 2311 transitions. [2024-11-10 19:04:41,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2024-11-10 19:04:41,388 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:04:41,388 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:04:41,395 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Ended with exit code 0 [2024-11-10 19:04:41,588 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,SelfDestructingSolverStorable36 [2024-11-10 19:04:41,589 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-10 19:04:41,589 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:04:41,589 INFO L85 PathProgramCache]: Analyzing trace with hash -648418931, now seen corresponding path program 4 times [2024-11-10 19:04:41,589 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:04:41,589 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1696568743] [2024-11-10 19:04:41,589 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:04:41,589 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:04:41,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:04:41,610 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [809999345] [2024-11-10 19:04:41,610 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-10 19:04:41,610 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:04:41,610 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:04:41,615 INFO L229 MonitoredProcess]: Starting monitored process 28 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:04:41,621 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Waiting until timeout for monitored process [2024-11-10 19:04:41,691 INFO L227 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-10 19:04:41,692 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-10 19:04:41,693 INFO L255 TraceCheckSpWp]: Trace formula consists of 331 conjuncts, 30 conjuncts are in the unsatisfiable core [2024-11-10 19:04:41,697 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:04:42,667 INFO L134 CoverageAnalysis]: Checked inductivity of 750 backedges. 0 proven. 132 refuted. 0 times theorem prover too weak. 618 trivial. 0 not checked. [2024-11-10 19:04:42,667 INFO L311 TraceCheckSpWp]: Computing backward predicates...