./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/nla-digbench-scaling/egcd-ll_valuebound10.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 3289d67d Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/nla-digbench-scaling/egcd-ll_valuebound10.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 3d9847fe213bf8df5d23c53d2bc8b53fb384c85820b87c09591484702dabefc3 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-17 04:24:07,250 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-17 04:24:07,320 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-17 04:24:07,326 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-17 04:24:07,327 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-17 04:24:07,346 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-17 04:24:07,347 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-17 04:24:07,348 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-17 04:24:07,348 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-17 04:24:07,349 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-17 04:24:07,350 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-17 04:24:07,350 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-17 04:24:07,351 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-17 04:24:07,352 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-17 04:24:07,352 INFO L153 SettingsManager]: * Use SBE=true [2024-11-17 04:24:07,352 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-17 04:24:07,353 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-17 04:24:07,353 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-17 04:24:07,355 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-17 04:24:07,355 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-17 04:24:07,355 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-17 04:24:07,356 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-17 04:24:07,356 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-17 04:24:07,356 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-17 04:24:07,356 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-17 04:24:07,357 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-17 04:24:07,357 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-17 04:24:07,357 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-17 04:24:07,358 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-17 04:24:07,358 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-17 04:24:07,358 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-17 04:24:07,358 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-17 04:24:07,358 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-17 04:24:07,359 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-17 04:24:07,359 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-17 04:24:07,359 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-17 04:24:07,359 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-17 04:24:07,359 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-17 04:24:07,359 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-17 04:24:07,360 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-17 04:24:07,360 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-17 04:24:07,360 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-17 04:24:07,360 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-17 04:24:07,360 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-17 04:24:07,361 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3d9847fe213bf8df5d23c53d2bc8b53fb384c85820b87c09591484702dabefc3 [2024-11-17 04:24:07,594 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-17 04:24:07,615 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-17 04:24:07,617 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-17 04:24:07,618 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-17 04:24:07,619 INFO L274 PluginConnector]: CDTParser initialized [2024-11-17 04:24:07,620 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench-scaling/egcd-ll_valuebound10.c [2024-11-17 04:24:08,868 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-17 04:24:09,035 INFO L384 CDTParser]: Found 1 translation units. [2024-11-17 04:24:09,036 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/egcd-ll_valuebound10.c [2024-11-17 04:24:09,042 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/87aeb9be0/5800481a428d46069e709499632dac2f/FLAGde5b19aa4 [2024-11-17 04:24:09,064 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/87aeb9be0/5800481a428d46069e709499632dac2f [2024-11-17 04:24:09,066 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-17 04:24:09,070 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-17 04:24:09,072 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-17 04:24:09,072 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-17 04:24:09,076 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-17 04:24:09,077 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 04:24:09" (1/1) ... [2024-11-17 04:24:09,078 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7f01fb0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:24:09, skipping insertion in model container [2024-11-17 04:24:09,078 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 04:24:09" (1/1) ... [2024-11-17 04:24:09,094 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-17 04:24:09,279 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-17 04:24:09,292 INFO L200 MainTranslator]: Completed pre-run [2024-11-17 04:24:09,317 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-17 04:24:09,335 INFO L204 MainTranslator]: Completed translation [2024-11-17 04:24:09,335 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:24:09 WrapperNode [2024-11-17 04:24:09,336 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-17 04:24:09,337 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-17 04:24:09,337 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-17 04:24:09,337 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-17 04:24:09,342 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:24:09" (1/1) ... [2024-11-17 04:24:09,348 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:24:09" (1/1) ... [2024-11-17 04:24:09,366 INFO L138 Inliner]: procedures = 14, calls = 19, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 118 [2024-11-17 04:24:09,367 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-17 04:24:09,367 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-17 04:24:09,367 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-17 04:24:09,367 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-17 04:24:09,376 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:24:09" (1/1) ... [2024-11-17 04:24:09,377 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:24:09" (1/1) ... [2024-11-17 04:24:09,378 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:24:09" (1/1) ... [2024-11-17 04:24:09,396 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-17 04:24:09,396 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:24:09" (1/1) ... [2024-11-17 04:24:09,396 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:24:09" (1/1) ... [2024-11-17 04:24:09,400 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:24:09" (1/1) ... [2024-11-17 04:24:09,404 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:24:09" (1/1) ... [2024-11-17 04:24:09,409 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:24:09" (1/1) ... [2024-11-17 04:24:09,410 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:24:09" (1/1) ... [2024-11-17 04:24:09,411 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-17 04:24:09,413 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-17 04:24:09,413 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-17 04:24:09,413 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-17 04:24:09,413 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:24:09" (1/1) ... [2024-11-17 04:24:09,423 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-17 04:24:09,433 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:24:09,447 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-17 04:24:09,451 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-17 04:24:09,489 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-17 04:24:09,490 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-17 04:24:09,490 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-17 04:24:09,490 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-17 04:24:09,490 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-17 04:24:09,490 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-17 04:24:09,490 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-17 04:24:09,490 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-17 04:24:09,536 INFO L256 CfgBuilder]: Building ICFG [2024-11-17 04:24:09,537 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-17 04:24:09,985 INFO L? ?]: Removed 157 outVars from TransFormulas that were not future-live. [2024-11-17 04:24:09,985 INFO L307 CfgBuilder]: Performing block encoding [2024-11-17 04:24:10,003 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-17 04:24:10,003 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-17 04:24:10,004 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 04:24:10 BoogieIcfgContainer [2024-11-17 04:24:10,004 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-17 04:24:10,005 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-17 04:24:10,006 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-17 04:24:10,009 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-17 04:24:10,010 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.11 04:24:09" (1/3) ... [2024-11-17 04:24:10,010 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51969644 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 04:24:10, skipping insertion in model container [2024-11-17 04:24:10,010 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:24:09" (2/3) ... [2024-11-17 04:24:10,011 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51969644 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 04:24:10, skipping insertion in model container [2024-11-17 04:24:10,011 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 04:24:10" (3/3) ... [2024-11-17 04:24:10,012 INFO L112 eAbstractionObserver]: Analyzing ICFG egcd-ll_valuebound10.c [2024-11-17 04:24:10,026 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-17 04:24:10,026 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 56 error locations. [2024-11-17 04:24:10,100 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-17 04:24:10,107 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;@1e1ff927, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-17 04:24:10,107 INFO L334 AbstractCegarLoop]: Starting to check reachability of 56 error locations. [2024-11-17 04:24:10,111 INFO L276 IsEmpty]: Start isEmpty. Operand has 151 states, 81 states have (on average 1.7654320987654322) internal successors, (143), 137 states have internal predecessors, (143), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-17 04:24:10,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-17 04:24:10,116 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:24:10,117 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:24:10,117 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-17 04:24:10,122 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:24:10,122 INFO L85 PathProgramCache]: Analyzing trace with hash -398421411, now seen corresponding path program 1 times [2024-11-17 04:24:10,129 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:24:10,130 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [148427341] [2024-11-17 04:24:10,130 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:24:10,130 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:24:10,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:24:10,236 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-17 04:24:10,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:24:10,245 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-17 04:24:10,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:24:10,253 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-17 04:24:10,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:24:10,259 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-17 04:24:10,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:24:10,268 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-17 04:24:10,269 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:24:10,269 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [148427341] [2024-11-17 04:24:10,270 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [148427341] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:24:10,270 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:24:10,270 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-17 04:24:10,271 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [915275762] [2024-11-17 04:24:10,272 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:24:10,275 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-17 04:24:10,276 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:24:10,296 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-17 04:24:10,296 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-17 04:24:10,298 INFO L87 Difference]: Start difference. First operand has 151 states, 81 states have (on average 1.7654320987654322) internal successors, (143), 137 states have internal predecessors, (143), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) 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, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-17 04:24:10,319 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:24:10,320 INFO L93 Difference]: Finished difference Result 298 states and 336 transitions. [2024-11-17 04:24:10,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-17 04:24:10,322 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, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) Word has length 26 [2024-11-17 04:24:10,322 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:24:10,327 INFO L225 Difference]: With dead ends: 298 [2024-11-17 04:24:10,328 INFO L226 Difference]: Without dead ends: 144 [2024-11-17 04:24:10,330 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-17 04:24:10,333 INFO L432 NwaCegarLoop]: 160 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, 160 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-17 04:24:10,334 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 160 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-17 04:24:10,346 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 144 states. [2024-11-17 04:24:10,368 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 144 to 144. [2024-11-17 04:24:10,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 144 states, 76 states have (on average 1.75) internal successors, (133), 131 states have internal predecessors, (133), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-17 04:24:10,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 153 transitions. [2024-11-17 04:24:10,373 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 153 transitions. Word has length 26 [2024-11-17 04:24:10,373 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:24:10,373 INFO L471 AbstractCegarLoop]: Abstraction has 144 states and 153 transitions. [2024-11-17 04:24:10,374 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, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-17 04:24:10,374 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 153 transitions. [2024-11-17 04:24:10,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-17 04:24:10,375 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:24:10,375 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:24:10,375 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-17 04:24:10,375 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr55ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-17 04:24:10,375 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:24:10,375 INFO L85 PathProgramCache]: Analyzing trace with hash -146467076, now seen corresponding path program 1 times [2024-11-17 04:24:10,376 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:24:10,376 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [778226385] [2024-11-17 04:24:10,376 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:24:10,376 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:24:10,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:24:10,403 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [938895725] [2024-11-17 04:24:10,403 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:24:10,403 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:24:10,403 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:24:10,405 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 04:24:10,406 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-17 04:24:10,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:24:10,461 INFO L255 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-17 04:24:10,469 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:24:10,508 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-17 04:24:10,509 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 04:24:10,510 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:24:10,510 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [778226385] [2024-11-17 04:24:10,510 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:24:10,510 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [938895725] [2024-11-17 04:24:10,511 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [938895725] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:24:10,511 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:24:10,511 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-17 04:24:10,513 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [60987333] [2024-11-17 04:24:10,514 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:24:10,514 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-17 04:24:10,514 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:24:10,515 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-17 04:24:10,515 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 04:24:10,515 INFO L87 Difference]: Start difference. First operand 144 states and 153 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, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-17 04:24:10,819 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:24:10,820 INFO L93 Difference]: Finished difference Result 235 states and 283 transitions. [2024-11-17 04:24:10,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-17 04:24:10,820 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, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 27 [2024-11-17 04:24:10,820 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:24:10,822 INFO L225 Difference]: With dead ends: 235 [2024-11-17 04:24:10,822 INFO L226 Difference]: Without dead ends: 231 [2024-11-17 04:24:10,822 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 04:24:10,823 INFO L432 NwaCegarLoop]: 83 mSDtfsCounter, 78 mSDsluCounter, 72 mSDsCounter, 0 mSdLazyCounter, 150 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 84 SdHoareTripleChecker+Valid, 155 SdHoareTripleChecker+Invalid, 153 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 150 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-17 04:24:10,823 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [84 Valid, 155 Invalid, 153 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 150 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-17 04:24:10,824 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 231 states. [2024-11-17 04:24:10,834 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 231 to 184. [2024-11-17 04:24:10,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 184 states, 111 states have (on average 1.7747747747747749) internal successors, (197), 166 states have internal predecessors, (197), 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) [2024-11-17 04:24:10,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 184 states and 227 transitions. [2024-11-17 04:24:10,836 INFO L78 Accepts]: Start accepts. Automaton has 184 states and 227 transitions. Word has length 27 [2024-11-17 04:24:10,836 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:24:10,836 INFO L471 AbstractCegarLoop]: Abstraction has 184 states and 227 transitions. [2024-11-17 04:24:10,836 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, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-17 04:24:10,836 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 227 transitions. [2024-11-17 04:24:10,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-17 04:24:10,837 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:24:10,837 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:24:10,850 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-17 04:24:11,041 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:24:11,042 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr53ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-17 04:24:11,042 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:24:11,042 INFO L85 PathProgramCache]: Analyzing trace with hash 979063866, now seen corresponding path program 1 times [2024-11-17 04:24:11,042 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:24:11,042 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [16199872] [2024-11-17 04:24:11,043 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:24:11,043 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:24:11,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:24:11,071 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1778378049] [2024-11-17 04:24:11,071 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:24:11,072 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:24:11,072 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:24:11,073 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 04:24:11,075 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-17 04:24:11,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:24:11,112 INFO L255 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-17 04:24:11,113 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:24:11,123 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-17 04:24:11,123 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 04:24:11,123 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:24:11,123 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [16199872] [2024-11-17 04:24:11,123 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:24:11,124 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1778378049] [2024-11-17 04:24:11,124 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1778378049] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:24:11,124 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:24:11,124 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-17 04:24:11,124 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1778180760] [2024-11-17 04:24:11,124 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:24:11,124 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-17 04:24:11,124 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:24:11,125 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-17 04:24:11,125 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 04:24:11,125 INFO L87 Difference]: Start difference. First operand 184 states and 227 transitions. Second operand has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-17 04:24:11,538 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:24:11,538 INFO L93 Difference]: Finished difference Result 291 states and 357 transitions. [2024-11-17 04:24:11,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-17 04:24:11,539 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 29 [2024-11-17 04:24:11,539 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:24:11,540 INFO L225 Difference]: With dead ends: 291 [2024-11-17 04:24:11,540 INFO L226 Difference]: Without dead ends: 283 [2024-11-17 04:24:11,541 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 [2024-11-17 04:24:11,543 INFO L432 NwaCegarLoop]: 112 mSDtfsCounter, 89 mSDsluCounter, 102 mSDsCounter, 0 mSdLazyCounter, 91 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 95 SdHoareTripleChecker+Valid, 214 SdHoareTripleChecker+Invalid, 98 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 91 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-17 04:24:11,543 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [95 Valid, 214 Invalid, 98 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 91 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-17 04:24:11,544 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 283 states. [2024-11-17 04:24:11,558 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 283 to 241. [2024-11-17 04:24:11,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 241 states, 162 states have (on average 1.728395061728395) internal successors, (280), 217 states have internal predecessors, (280), 21 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2024-11-17 04:24:11,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 241 states and 322 transitions. [2024-11-17 04:24:11,564 INFO L78 Accepts]: Start accepts. Automaton has 241 states and 322 transitions. Word has length 29 [2024-11-17 04:24:11,564 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:24:11,564 INFO L471 AbstractCegarLoop]: Abstraction has 241 states and 322 transitions. [2024-11-17 04:24:11,564 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-17 04:24:11,565 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 322 transitions. [2024-11-17 04:24:11,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-17 04:24:11,565 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:24:11,565 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:24:11,578 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-17 04:24:11,765 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2024-11-17 04:24:11,766 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr51ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-17 04:24:11,766 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:24:11,767 INFO L85 PathProgramCache]: Analyzing trace with hash 282540408, now seen corresponding path program 1 times [2024-11-17 04:24:11,767 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:24:11,767 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1689986311] [2024-11-17 04:24:11,767 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:24:11,767 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:24:11,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:24:11,793 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1630814405] [2024-11-17 04:24:11,794 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:24:11,794 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:24:11,794 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:24:11,795 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 04:24:11,797 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-17 04:24:11,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:24:11,830 INFO L255 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-17 04:24:11,831 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:24:11,915 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-17 04:24:11,915 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 04:24:11,915 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:24:11,916 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1689986311] [2024-11-17 04:24:11,917 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:24:11,917 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1630814405] [2024-11-17 04:24:11,917 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1630814405] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:24:11,917 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:24:11,917 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-17 04:24:11,917 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1198447160] [2024-11-17 04:24:11,917 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:24:11,917 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-17 04:24:11,918 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:24:11,918 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-17 04:24:11,918 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 04:24:11,918 INFO L87 Difference]: Start difference. First operand 241 states and 322 transitions. Second operand has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-17 04:24:12,313 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:24:12,313 INFO L93 Difference]: Finished difference Result 277 states and 343 transitions. [2024-11-17 04:24:12,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-17 04:24:12,313 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 31 [2024-11-17 04:24:12,314 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:24:12,315 INFO L225 Difference]: With dead ends: 277 [2024-11-17 04:24:12,315 INFO L226 Difference]: Without dead ends: 263 [2024-11-17 04:24:12,315 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 04:24:12,316 INFO L432 NwaCegarLoop]: 85 mSDtfsCounter, 66 mSDsluCounter, 56 mSDsCounter, 0 mSdLazyCounter, 164 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 72 SdHoareTripleChecker+Valid, 141 SdHoareTripleChecker+Invalid, 178 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 164 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-17 04:24:12,316 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [72 Valid, 141 Invalid, 178 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 164 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-17 04:24:12,317 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 263 states. [2024-11-17 04:24:12,327 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 263 to 206. [2024-11-17 04:24:12,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 206 states, 132 states have (on average 1.643939393939394) internal successors, (217), 187 states have internal predecessors, (217), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-17 04:24:12,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 206 states and 249 transitions. [2024-11-17 04:24:12,329 INFO L78 Accepts]: Start accepts. Automaton has 206 states and 249 transitions. Word has length 31 [2024-11-17 04:24:12,329 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:24:12,329 INFO L471 AbstractCegarLoop]: Abstraction has 206 states and 249 transitions. [2024-11-17 04:24:12,330 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-17 04:24:12,330 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 249 transitions. [2024-11-17 04:24:12,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-11-17 04:24:12,330 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:24:12,331 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:24:12,344 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-17 04:24:12,531 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:24:12,531 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr49ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-17 04:24:12,532 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:24:12,532 INFO L85 PathProgramCache]: Analyzing trace with hash -41216957, now seen corresponding path program 1 times [2024-11-17 04:24:12,532 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:24:12,532 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1192747400] [2024-11-17 04:24:12,532 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:24:12,532 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:24:12,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:24:12,554 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [173942696] [2024-11-17 04:24:12,554 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:24:12,555 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:24:12,555 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:24:12,556 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 04:24:12,559 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-17 04:24:12,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:24:12,602 INFO L255 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-17 04:24:12,603 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:24:12,635 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-17 04:24:12,636 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 04:24:12,636 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:24:12,636 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1192747400] [2024-11-17 04:24:12,636 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:24:12,636 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [173942696] [2024-11-17 04:24:12,636 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [173942696] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:24:12,636 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:24:12,636 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-17 04:24:12,636 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1427313958] [2024-11-17 04:24:12,636 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:24:12,636 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-17 04:24:12,637 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:24:12,637 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-17 04:24:12,637 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 04:24:12,637 INFO L87 Difference]: Start difference. First operand 206 states and 249 transitions. Second operand has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-17 04:24:12,954 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:24:12,954 INFO L93 Difference]: Finished difference Result 380 states and 480 transitions. [2024-11-17 04:24:12,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-17 04:24:12,955 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 2 states have call successors, (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 38 [2024-11-17 04:24:12,955 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:24:12,957 INFO L225 Difference]: With dead ends: 380 [2024-11-17 04:24:12,957 INFO L226 Difference]: Without dead ends: 372 [2024-11-17 04:24:12,957 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 04:24:12,958 INFO L432 NwaCegarLoop]: 111 mSDtfsCounter, 90 mSDsluCounter, 101 mSDsCounter, 0 mSdLazyCounter, 93 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 95 SdHoareTripleChecker+Valid, 212 SdHoareTripleChecker+Invalid, 100 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 93 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-17 04:24:12,958 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [95 Valid, 212 Invalid, 100 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 93 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-17 04:24:12,959 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 372 states. [2024-11-17 04:24:12,968 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 372 to 291. [2024-11-17 04:24:12,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 291 states, 208 states have (on average 1.6298076923076923) internal successors, (339), 263 states have internal predecessors, (339), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-17 04:24:12,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 291 states and 389 transitions. [2024-11-17 04:24:12,970 INFO L78 Accepts]: Start accepts. Automaton has 291 states and 389 transitions. Word has length 38 [2024-11-17 04:24:12,971 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:24:12,971 INFO L471 AbstractCegarLoop]: Abstraction has 291 states and 389 transitions. [2024-11-17 04:24:12,971 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-17 04:24:12,971 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 389 transitions. [2024-11-17 04:24:12,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-17 04:24:12,972 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:24:12,972 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:24:12,985 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-17 04:24:13,173 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 [2024-11-17 04:24:13,173 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr47ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-17 04:24:13,174 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:24:13,174 INFO L85 PathProgramCache]: Analyzing trace with hash -954787295, now seen corresponding path program 1 times [2024-11-17 04:24:13,174 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:24:13,174 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1635430286] [2024-11-17 04:24:13,174 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:24:13,174 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:24:13,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:24:13,209 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1652796643] [2024-11-17 04:24:13,209 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:24:13,209 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:24:13,209 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:24:13,212 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 04:24:13,214 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-17 04:24:13,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:24:13,244 INFO L255 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-17 04:24:13,245 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:24:13,302 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-17 04:24:13,303 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 04:24:13,303 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:24:13,303 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1635430286] [2024-11-17 04:24:13,303 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:24:13,303 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1652796643] [2024-11-17 04:24:13,303 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1652796643] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:24:13,303 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:24:13,303 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-17 04:24:13,303 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [879397777] [2024-11-17 04:24:13,303 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:24:13,303 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 04:24:13,303 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:24:13,304 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 04:24:13,304 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-17 04:24:13,304 INFO L87 Difference]: Start difference. First operand 291 states and 389 transitions. Second operand has 4 states, 3 states have (on average 7.0) internal successors, (21), 4 states have internal predecessors, (21), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-17 04:24:13,593 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:24:13,594 INFO L93 Difference]: Finished difference Result 348 states and 458 transitions. [2024-11-17 04:24:13,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 04:24:13,595 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.0) internal successors, (21), 4 states have internal predecessors, (21), 2 states have call successors, (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 40 [2024-11-17 04:24:13,595 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:24:13,597 INFO L225 Difference]: With dead ends: 348 [2024-11-17 04:24:13,597 INFO L226 Difference]: Without dead ends: 346 [2024-11-17 04:24:13,597 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-17 04:24:13,598 INFO L432 NwaCegarLoop]: 83 mSDtfsCounter, 183 mSDsluCounter, 89 mSDsCounter, 0 mSdLazyCounter, 170 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 194 SdHoareTripleChecker+Valid, 172 SdHoareTripleChecker+Invalid, 171 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 170 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-17 04:24:13,598 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [194 Valid, 172 Invalid, 171 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 170 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-17 04:24:13,599 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 346 states. [2024-11-17 04:24:13,612 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 346 to 291. [2024-11-17 04:24:13,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 291 states, 208 states have (on average 1.6105769230769231) internal successors, (335), 263 states have internal predecessors, (335), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-17 04:24:13,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 291 states and 385 transitions. [2024-11-17 04:24:13,614 INFO L78 Accepts]: Start accepts. Automaton has 291 states and 385 transitions. Word has length 40 [2024-11-17 04:24:13,614 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:24:13,614 INFO L471 AbstractCegarLoop]: Abstraction has 291 states and 385 transitions. [2024-11-17 04:24:13,614 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.0) internal successors, (21), 4 states have internal predecessors, (21), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-17 04:24:13,615 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 385 transitions. [2024-11-17 04:24:13,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-11-17 04:24:13,615 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:24:13,615 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:24:13,629 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-17 04:24:13,816 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 [2024-11-17 04:24:13,816 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr46ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-17 04:24:13,817 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:24:13,817 INFO L85 PathProgramCache]: Analyzing trace with hash 466365008, now seen corresponding path program 1 times [2024-11-17 04:24:13,817 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:24:13,817 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [885983359] [2024-11-17 04:24:13,817 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:24:13,817 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:24:13,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:24:13,834 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1724399] [2024-11-17 04:24:13,834 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:24:13,834 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:24:13,834 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:24:13,836 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 04:24:13,840 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-17 04:24:13,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:24:13,879 INFO L255 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-17 04:24:13,880 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:24:13,946 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-17 04:24:13,947 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 04:24:13,947 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:24:13,947 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [885983359] [2024-11-17 04:24:13,947 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:24:13,947 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1724399] [2024-11-17 04:24:13,947 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1724399] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:24:13,947 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:24:13,947 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-17 04:24:13,947 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [686036065] [2024-11-17 04:24:13,947 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:24:13,947 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 04:24:13,947 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:24:13,948 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 04:24:13,948 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-17 04:24:13,948 INFO L87 Difference]: Start difference. First operand 291 states and 385 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) [2024-11-17 04:24:14,214 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:24:14,214 INFO L93 Difference]: Finished difference Result 348 states and 454 transitions. [2024-11-17 04:24:14,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 04:24:14,215 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 [2024-11-17 04:24:14,215 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:24:14,216 INFO L225 Difference]: With dead ends: 348 [2024-11-17 04:24:14,216 INFO L226 Difference]: Without dead ends: 346 [2024-11-17 04:24:14,216 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 [2024-11-17 04:24:14,217 INFO L432 NwaCegarLoop]: 83 mSDtfsCounter, 246 mSDsluCounter, 72 mSDsCounter, 0 mSdLazyCounter, 150 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 257 SdHoareTripleChecker+Valid, 155 SdHoareTripleChecker+Invalid, 156 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 150 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-17 04:24:14,217 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [257 Valid, 155 Invalid, 156 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 150 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-17 04:24:14,218 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 346 states. [2024-11-17 04:24:14,225 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 346 to 291. [2024-11-17 04:24:14,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 291 states, 208 states have (on average 1.5913461538461537) internal successors, (331), 263 states have internal predecessors, (331), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-17 04:24:14,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 291 states and 381 transitions. [2024-11-17 04:24:14,226 INFO L78 Accepts]: Start accepts. Automaton has 291 states and 381 transitions. Word has length 41 [2024-11-17 04:24:14,227 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:24:14,227 INFO L471 AbstractCegarLoop]: Abstraction has 291 states and 381 transitions. [2024-11-17 04:24:14,227 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) [2024-11-17 04:24:14,227 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 381 transitions. [2024-11-17 04:24:14,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-11-17 04:24:14,227 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:24:14,228 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:24:14,241 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-11-17 04:24:14,428 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 [2024-11-17 04:24:14,428 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr45ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-17 04:24:14,429 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:24:14,429 INFO L85 PathProgramCache]: Analyzing trace with hash 1572413439, now seen corresponding path program 1 times [2024-11-17 04:24:14,429 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:24:14,429 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1113137163] [2024-11-17 04:24:14,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:24:14,429 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:24:14,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:24:14,442 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1409656908] [2024-11-17 04:24:14,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:24:14,442 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:24:14,442 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:24:14,443 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 04:24:14,463 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-17 04:24:14,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:24:14,504 INFO L255 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-17 04:24:14,505 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:24:14,529 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-17 04:24:14,529 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 04:24:14,529 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:24:14,529 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1113137163] [2024-11-17 04:24:14,529 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:24:14,529 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1409656908] [2024-11-17 04:24:14,529 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1409656908] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:24:14,530 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:24:14,530 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-17 04:24:14,530 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [442123929] [2024-11-17 04:24:14,530 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:24:14,530 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 04:24:14,530 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:24:14,531 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 04:24:14,531 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-17 04:24:14,531 INFO L87 Difference]: Start difference. First operand 291 states and 381 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) [2024-11-17 04:24:15,213 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:24:15,213 INFO L93 Difference]: Finished difference Result 370 states and 460 transitions. [2024-11-17 04:24:15,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 04:24:15,214 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 [2024-11-17 04:24:15,214 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:24:15,215 INFO L225 Difference]: With dead ends: 370 [2024-11-17 04:24:15,215 INFO L226 Difference]: Without dead ends: 368 [2024-11-17 04:24:15,216 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 [2024-11-17 04:24:15,216 INFO L432 NwaCegarLoop]: 79 mSDtfsCounter, 153 mSDsluCounter, 104 mSDsCounter, 0 mSdLazyCounter, 169 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 159 SdHoareTripleChecker+Valid, 183 SdHoareTripleChecker+Invalid, 175 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 169 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-17 04:24:15,217 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [159 Valid, 183 Invalid, 175 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 169 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-17 04:24:15,217 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 368 states. [2024-11-17 04:24:15,228 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 368 to 292. [2024-11-17 04:24:15,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 292 states, 209 states have (on average 1.5741626794258374) internal successors, (329), 264 states have internal predecessors, (329), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-17 04:24:15,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 292 states and 379 transitions. [2024-11-17 04:24:15,229 INFO L78 Accepts]: Start accepts. Automaton has 292 states and 379 transitions. Word has length 42 [2024-11-17 04:24:15,230 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:24:15,230 INFO L471 AbstractCegarLoop]: Abstraction has 292 states and 379 transitions. [2024-11-17 04:24:15,230 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) [2024-11-17 04:24:15,230 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 379 transitions. [2024-11-17 04:24:15,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-17 04:24:15,231 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:24:15,231 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:24:15,244 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-17 04:24:15,432 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:24:15,433 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr44ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-17 04:24:15,433 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:24:15,433 INFO L85 PathProgramCache]: Analyzing trace with hash 1500176430, now seen corresponding path program 1 times [2024-11-17 04:24:15,433 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:24:15,433 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [295031589] [2024-11-17 04:24:15,433 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:24:15,433 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:24:15,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:24:15,449 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1916599770] [2024-11-17 04:24:15,450 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:24:15,450 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:24:15,450 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:24:15,451 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 04:24:15,453 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-17 04:24:15,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:24:15,484 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-17 04:24:15,485 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:24:15,598 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-17 04:24:15,598 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 04:24:15,598 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:24:15,598 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [295031589] [2024-11-17 04:24:15,598 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:24:15,598 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1916599770] [2024-11-17 04:24:15,599 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1916599770] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:24:15,599 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:24:15,599 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-17 04:24:15,599 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1021462120] [2024-11-17 04:24:15,599 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:24:15,599 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 04:24:15,599 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:24:15,600 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 04:24:15,600 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-17 04:24:15,600 INFO L87 Difference]: Start difference. First operand 292 states and 379 transitions. Second operand has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-17 04:24:16,771 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:24:16,772 INFO L93 Difference]: Finished difference Result 370 states and 456 transitions. [2024-11-17 04:24:16,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 04:24:16,772 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 2 states have call successors, (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 43 [2024-11-17 04:24:16,772 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:24:16,773 INFO L225 Difference]: With dead ends: 370 [2024-11-17 04:24:16,773 INFO L226 Difference]: Without dead ends: 368 [2024-11-17 04:24:16,774 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-17 04:24:16,775 INFO L432 NwaCegarLoop]: 82 mSDtfsCounter, 92 mSDsluCounter, 158 mSDsCounter, 0 mSdLazyCounter, 234 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 98 SdHoareTripleChecker+Valid, 240 SdHoareTripleChecker+Invalid, 235 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 234 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-17 04:24:16,776 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [98 Valid, 240 Invalid, 235 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 234 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-17 04:24:16,776 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 368 states. [2024-11-17 04:24:16,784 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 368 to 293. [2024-11-17 04:24:16,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 293 states, 210 states have (on average 1.5571428571428572) internal successors, (327), 265 states have internal predecessors, (327), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-17 04:24:16,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 293 states and 377 transitions. [2024-11-17 04:24:16,788 INFO L78 Accepts]: Start accepts. Automaton has 293 states and 377 transitions. Word has length 43 [2024-11-17 04:24:16,788 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:24:16,789 INFO L471 AbstractCegarLoop]: Abstraction has 293 states and 377 transitions. [2024-11-17 04:24:16,789 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-17 04:24:16,789 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 377 transitions. [2024-11-17 04:24:16,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-11-17 04:24:16,789 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:24:16,789 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:24:16,802 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-11-17 04:24:16,990 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,SelfDestructingSolverStorable8 [2024-11-17 04:24:16,991 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr41ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-17 04:24:16,991 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:24:16,991 INFO L85 PathProgramCache]: Analyzing trace with hash -562723964, now seen corresponding path program 1 times [2024-11-17 04:24:16,991 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:24:16,991 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [338123699] [2024-11-17 04:24:16,991 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:24:16,991 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:24:17,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:24:17,010 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [227838190] [2024-11-17 04:24:17,010 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:24:17,010 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:24:17,010 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:24:17,013 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 04:24:17,014 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-17 04:24:17,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:24:17,048 INFO L255 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-17 04:24:17,049 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:24:17,119 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-17 04:24:17,119 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 04:24:17,119 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:24:17,119 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [338123699] [2024-11-17 04:24:17,119 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:24:17,120 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [227838190] [2024-11-17 04:24:17,120 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [227838190] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:24:17,120 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:24:17,120 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-17 04:24:17,120 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2066787838] [2024-11-17 04:24:17,120 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:24:17,120 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 04:24:17,120 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:24:17,120 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 04:24:17,121 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-17 04:24:17,121 INFO L87 Difference]: Start difference. First operand 293 states and 377 transitions. Second operand has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-17 04:24:17,461 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:24:17,461 INFO L93 Difference]: Finished difference Result 319 states and 400 transitions. [2024-11-17 04:24:17,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 04:24:17,461 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 51 [2024-11-17 04:24:17,462 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:24:17,463 INFO L225 Difference]: With dead ends: 319 [2024-11-17 04:24:17,463 INFO L226 Difference]: Without dead ends: 317 [2024-11-17 04:24:17,463 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-17 04:24:17,464 INFO L432 NwaCegarLoop]: 93 mSDtfsCounter, 228 mSDsluCounter, 72 mSDsCounter, 0 mSdLazyCounter, 140 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 238 SdHoareTripleChecker+Valid, 165 SdHoareTripleChecker+Invalid, 145 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 140 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-17 04:24:17,465 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [238 Valid, 165 Invalid, 145 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 140 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-17 04:24:17,465 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 317 states. [2024-11-17 04:24:17,473 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 317 to 294. [2024-11-17 04:24:17,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 294 states, 211 states have (on average 1.5450236966824644) internal successors, (326), 266 states have internal predecessors, (326), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-17 04:24:17,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 294 states and 376 transitions. [2024-11-17 04:24:17,475 INFO L78 Accepts]: Start accepts. Automaton has 294 states and 376 transitions. Word has length 51 [2024-11-17 04:24:17,475 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:24:17,475 INFO L471 AbstractCegarLoop]: Abstraction has 294 states and 376 transitions. [2024-11-17 04:24:17,475 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-17 04:24:17,476 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 376 transitions. [2024-11-17 04:24:17,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2024-11-17 04:24:17,477 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:24:17,496 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:24:17,508 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-11-17 04:24:17,696 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,SelfDestructingSolverStorable9 [2024-11-17 04:24:17,697 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-17 04:24:17,697 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:24:17,697 INFO L85 PathProgramCache]: Analyzing trace with hash -264573632, now seen corresponding path program 1 times [2024-11-17 04:24:17,697 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:24:17,697 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [368682029] [2024-11-17 04:24:17,697 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:24:17,697 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:24:17,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:24:17,724 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1889680222] [2024-11-17 04:24:17,727 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:24:17,727 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:24:17,727 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:24:17,728 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 04:24:17,729 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-17 04:24:17,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:24:17,761 INFO L255 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-17 04:24:17,762 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:24:17,839 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-17 04:24:17,839 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 04:24:17,839 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:24:17,839 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [368682029] [2024-11-17 04:24:17,839 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:24:17,839 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1889680222] [2024-11-17 04:24:17,839 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1889680222] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:24:17,839 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:24:17,839 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-17 04:24:17,840 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [300309486] [2024-11-17 04:24:17,840 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:24:17,840 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 04:24:17,840 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:24:17,840 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 04:24:17,840 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-17 04:24:17,841 INFO L87 Difference]: Start difference. First operand 294 states and 376 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, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-17 04:24:18,135 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:24:18,135 INFO L93 Difference]: Finished difference Result 319 states and 397 transitions. [2024-11-17 04:24:18,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 04:24:18,136 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, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 52 [2024-11-17 04:24:18,136 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:24:18,137 INFO L225 Difference]: With dead ends: 319 [2024-11-17 04:24:18,137 INFO L226 Difference]: Without dead ends: 317 [2024-11-17 04:24:18,137 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-17 04:24:18,138 INFO L432 NwaCegarLoop]: 93 mSDtfsCounter, 226 mSDsluCounter, 72 mSDsCounter, 0 mSdLazyCounter, 140 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 236 SdHoareTripleChecker+Valid, 165 SdHoareTripleChecker+Invalid, 145 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 140 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-17 04:24:18,138 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [236 Valid, 165 Invalid, 145 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 140 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-17 04:24:18,138 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 317 states. [2024-11-17 04:24:18,159 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 317 to 295. [2024-11-17 04:24:18,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 295 states, 212 states have (on average 1.5330188679245282) internal successors, (325), 267 states have internal predecessors, (325), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-17 04:24:18,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 295 states and 375 transitions. [2024-11-17 04:24:18,161 INFO L78 Accepts]: Start accepts. Automaton has 295 states and 375 transitions. Word has length 52 [2024-11-17 04:24:18,161 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:24:18,161 INFO L471 AbstractCegarLoop]: Abstraction has 295 states and 375 transitions. [2024-11-17 04:24:18,161 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, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-17 04:24:18,162 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 375 transitions. [2024-11-17 04:24:18,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-17 04:24:18,162 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:24:18,162 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:24:18,179 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2024-11-17 04:24:18,366 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,SelfDestructingSolverStorable10 [2024-11-17 04:24:18,367 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr39ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-17 04:24:18,367 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:24:18,367 INFO L85 PathProgramCache]: Analyzing trace with hash 388152066, now seen corresponding path program 1 times [2024-11-17 04:24:18,367 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:24:18,367 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [723653585] [2024-11-17 04:24:18,367 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:24:18,368 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:24:18,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:24:18,394 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1611195990] [2024-11-17 04:24:18,394 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:24:18,394 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:24:18,395 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:24:18,396 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 04:24:18,397 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-11-17 04:24:18,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:24:18,432 INFO L255 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-17 04:24:18,433 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:24:18,471 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-17 04:24:18,471 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 04:24:18,471 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:24:18,472 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [723653585] [2024-11-17 04:24:18,472 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:24:18,472 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1611195990] [2024-11-17 04:24:18,472 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1611195990] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:24:18,472 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:24:18,472 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-17 04:24:18,472 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [59214598] [2024-11-17 04:24:18,472 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:24:18,472 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 04:24:18,472 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:24:18,472 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 04:24:18,473 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-17 04:24:18,473 INFO L87 Difference]: Start difference. First operand 295 states and 375 transitions. Second operand has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-17 04:24:19,054 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:24:19,055 INFO L93 Difference]: Finished difference Result 325 states and 384 transitions. [2024-11-17 04:24:19,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 04:24:19,055 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 53 [2024-11-17 04:24:19,056 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:24:19,057 INFO L225 Difference]: With dead ends: 325 [2024-11-17 04:24:19,057 INFO L226 Difference]: Without dead ends: 323 [2024-11-17 04:24:19,057 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-17 04:24:19,058 INFO L432 NwaCegarLoop]: 106 mSDtfsCounter, 138 mSDsluCounter, 108 mSDsCounter, 0 mSdLazyCounter, 145 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 144 SdHoareTripleChecker+Valid, 214 SdHoareTripleChecker+Invalid, 150 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 145 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-17 04:24:19,058 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [144 Valid, 214 Invalid, 150 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 145 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-17 04:24:19,058 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 323 states. [2024-11-17 04:24:19,066 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 323 to 296. [2024-11-17 04:24:19,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 296 states, 213 states have (on average 1.5211267605633803) internal successors, (324), 268 states have internal predecessors, (324), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-17 04:24:19,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 296 states and 374 transitions. [2024-11-17 04:24:19,067 INFO L78 Accepts]: Start accepts. Automaton has 296 states and 374 transitions. Word has length 53 [2024-11-17 04:24:19,068 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:24:19,068 INFO L471 AbstractCegarLoop]: Abstraction has 296 states and 374 transitions. [2024-11-17 04:24:19,068 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-17 04:24:19,068 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 374 transitions. [2024-11-17 04:24:19,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2024-11-17 04:24:19,068 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:24:19,069 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:24:19,082 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-11-17 04:24:19,272 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2024-11-17 04:24:19,272 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-17 04:24:19,273 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:24:19,273 INFO L85 PathProgramCache]: Analyzing trace with hash -852187778, now seen corresponding path program 1 times [2024-11-17 04:24:19,273 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:24:19,273 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [830736975] [2024-11-17 04:24:19,273 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:24:19,273 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:24:19,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:24:19,294 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [113801745] [2024-11-17 04:24:19,296 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:24:19,296 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:24:19,296 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:24:19,297 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 04:24:19,299 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-11-17 04:24:19,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:24:19,334 INFO L255 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-17 04:24:19,337 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:24:19,458 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-17 04:24:19,459 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 04:24:19,459 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:24:19,459 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [830736975] [2024-11-17 04:24:19,459 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:24:19,459 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [113801745] [2024-11-17 04:24:19,459 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [113801745] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:24:19,459 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:24:19,459 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-17 04:24:19,459 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1295932239] [2024-11-17 04:24:19,459 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:24:19,459 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 04:24:19,460 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:24:19,460 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 04:24:19,460 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-17 04:24:19,460 INFO L87 Difference]: Start difference. First operand 296 states and 374 transitions. Second operand has 4 states, 3 states have (on average 10.0) internal successors, (30), 4 states have internal predecessors, (30), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-17 04:24:20,493 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:24:20,494 INFO L93 Difference]: Finished difference Result 325 states and 381 transitions. [2024-11-17 04:24:20,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 04:24:20,494 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 10.0) internal successors, (30), 4 states have internal predecessors, (30), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 54 [2024-11-17 04:24:20,494 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:24:20,495 INFO L225 Difference]: With dead ends: 325 [2024-11-17 04:24:20,495 INFO L226 Difference]: Without dead ends: 323 [2024-11-17 04:24:20,495 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-17 04:24:20,496 INFO L432 NwaCegarLoop]: 109 mSDtfsCounter, 83 mSDsluCounter, 159 mSDsCounter, 0 mSdLazyCounter, 216 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 89 SdHoareTripleChecker+Valid, 268 SdHoareTripleChecker+Invalid, 217 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 216 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-17 04:24:20,496 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [89 Valid, 268 Invalid, 217 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 216 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-17 04:24:20,496 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 323 states. [2024-11-17 04:24:20,502 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 323 to 297. [2024-11-17 04:24:20,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 297 states, 214 states have (on average 1.5093457943925233) internal successors, (323), 269 states have internal predecessors, (323), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-17 04:24:20,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 297 states and 373 transitions. [2024-11-17 04:24:20,504 INFO L78 Accepts]: Start accepts. Automaton has 297 states and 373 transitions. Word has length 54 [2024-11-17 04:24:20,504 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:24:20,504 INFO L471 AbstractCegarLoop]: Abstraction has 297 states and 373 transitions. [2024-11-17 04:24:20,505 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 10.0) internal successors, (30), 4 states have internal predecessors, (30), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-17 04:24:20,505 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 373 transitions. [2024-11-17 04:24:20,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2024-11-17 04:24:20,506 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:24:20,506 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:24:20,518 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2024-11-17 04:24:20,706 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2024-11-17 04:24:20,706 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-17 04:24:20,707 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:24:20,707 INFO L85 PathProgramCache]: Analyzing trace with hash 1199455726, now seen corresponding path program 1 times [2024-11-17 04:24:20,707 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:24:20,707 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [987548973] [2024-11-17 04:24:20,707 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:24:20,707 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:24:20,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:24:20,753 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-17 04:24:20,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:24:20,768 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-17 04:24:20,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:24:20,773 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-17 04:24:20,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:24:20,777 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-17 04:24:20,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:24:20,780 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-17 04:24:20,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:24:20,785 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-17 04:24:20,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:24:20,788 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-17 04:24:20,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:24:20,790 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-17 04:24:20,791 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:24:20,791 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [987548973] [2024-11-17 04:24:20,791 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [987548973] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:24:20,791 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:24:20,791 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-17 04:24:20,791 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [375389251] [2024-11-17 04:24:20,791 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:24:20,792 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-17 04:24:20,792 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:24:20,792 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-17 04:24:20,792 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 04:24:20,792 INFO L87 Difference]: Start difference. First operand 297 states and 373 transitions. Second operand has 3 states, 2 states have (on average 16.0) internal successors, (32), 3 states have internal predecessors, (32), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-11-17 04:24:20,834 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:24:20,834 INFO L93 Difference]: Finished difference Result 297 states and 373 transitions. [2024-11-17 04:24:20,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-17 04:24:20,835 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 16.0) internal successors, (32), 3 states have internal predecessors, (32), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 61 [2024-11-17 04:24:20,835 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:24:20,836 INFO L225 Difference]: With dead ends: 297 [2024-11-17 04:24:20,836 INFO L226 Difference]: Without dead ends: 295 [2024-11-17 04:24:20,836 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 04:24:20,837 INFO L432 NwaCegarLoop]: 137 mSDtfsCounter, 47 mSDsluCounter, 83 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 220 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-17 04:24:20,837 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [50 Valid, 220 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-17 04:24:20,837 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 295 states. [2024-11-17 04:24:20,844 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 295 to 295. [2024-11-17 04:24:20,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 295 states, 214 states have (on average 1.4813084112149533) internal successors, (317), 267 states have internal predecessors, (317), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-17 04:24:20,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 295 states and 367 transitions. [2024-11-17 04:24:20,846 INFO L78 Accepts]: Start accepts. Automaton has 295 states and 367 transitions. Word has length 61 [2024-11-17 04:24:20,846 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:24:20,846 INFO L471 AbstractCegarLoop]: Abstraction has 295 states and 367 transitions. [2024-11-17 04:24:20,846 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 16.0) internal successors, (32), 3 states have internal predecessors, (32), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-11-17 04:24:20,846 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 367 transitions. [2024-11-17 04:24:20,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2024-11-17 04:24:20,847 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:24:20,847 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:24:20,847 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-17 04:24:20,847 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-17 04:24:20,847 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:24:20,847 INFO L85 PathProgramCache]: Analyzing trace with hash -1471578133, now seen corresponding path program 1 times [2024-11-17 04:24:20,848 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:24:20,848 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [22534121] [2024-11-17 04:24:20,848 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:24:20,848 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:24:20,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:24:20,885 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-17 04:24:20,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:24:20,887 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-17 04:24:20,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:24:20,889 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-17 04:24:20,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:24:20,891 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-17 04:24:20,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:24:20,893 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-17 04:24:20,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:24:20,894 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-17 04:24:20,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:24:20,896 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-17 04:24:20,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:24:20,898 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-17 04:24:20,899 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:24:20,899 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [22534121] [2024-11-17 04:24:20,899 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [22534121] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:24:20,899 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:24:20,899 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-17 04:24:20,899 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [626134763] [2024-11-17 04:24:20,899 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:24:20,900 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-17 04:24:20,900 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:24:20,900 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-17 04:24:20,900 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 04:24:20,900 INFO L87 Difference]: Start difference. First operand 295 states and 367 transitions. Second operand has 3 states, 2 states have (on average 16.5) internal successors, (33), 3 states have internal predecessors, (33), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-11-17 04:24:20,938 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:24:20,938 INFO L93 Difference]: Finished difference Result 295 states and 367 transitions. [2024-11-17 04:24:20,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-17 04:24:20,939 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 16.5) internal successors, (33), 3 states have internal predecessors, (33), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 62 [2024-11-17 04:24:20,939 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:24:20,940 INFO L225 Difference]: With dead ends: 295 [2024-11-17 04:24:20,941 INFO L226 Difference]: Without dead ends: 293 [2024-11-17 04:24:20,941 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 04:24:20,941 INFO L432 NwaCegarLoop]: 136 mSDtfsCounter, 46 mSDsluCounter, 83 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 49 SdHoareTripleChecker+Valid, 219 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-17 04:24:20,942 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [49 Valid, 219 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-17 04:24:20,942 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 293 states. [2024-11-17 04:24:20,950 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 293 to 293. [2024-11-17 04:24:20,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 293 states, 214 states have (on average 1.4439252336448598) internal successors, (309), 265 states have internal predecessors, (309), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-17 04:24:20,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 293 states and 359 transitions. [2024-11-17 04:24:20,952 INFO L78 Accepts]: Start accepts. Automaton has 293 states and 359 transitions. Word has length 62 [2024-11-17 04:24:20,952 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:24:20,952 INFO L471 AbstractCegarLoop]: Abstraction has 293 states and 359 transitions. [2024-11-17 04:24:20,952 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 16.5) internal successors, (33), 3 states have internal predecessors, (33), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-11-17 04:24:20,952 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 359 transitions. [2024-11-17 04:24:20,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-11-17 04:24:20,953 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:24:20,953 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:24:20,953 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-17 04:24:20,953 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-17 04:24:20,953 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:24:20,954 INFO L85 PathProgramCache]: Analyzing trace with hash 1625779243, now seen corresponding path program 1 times [2024-11-17 04:24:20,954 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:24:20,954 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [243775036] [2024-11-17 04:24:20,954 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:24:20,954 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:24:20,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:24:21,037 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-17 04:24:21,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:24:21,041 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-17 04:24:21,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:24:21,046 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-17 04:24:21,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:24:21,054 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-17 04:24:21,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:24:21,059 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-17 04:24:21,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:24:21,063 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-17 04:24:21,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:24:21,067 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-17 04:24:21,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:24:21,071 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-17 04:24:21,073 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:24:21,073 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [243775036] [2024-11-17 04:24:21,073 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [243775036] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:24:21,073 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:24:21,074 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-17 04:24:21,074 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [943372367] [2024-11-17 04:24:21,074 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:24:21,074 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-17 04:24:21,074 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:24:21,075 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-17 04:24:21,075 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-17 04:24:21,075 INFO L87 Difference]: Start difference. First operand 293 states and 359 transitions. Second operand has 5 states, 4 states have (on average 8.5) internal successors, (34), 5 states have internal predecessors, (34), 3 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2024-11-17 04:24:21,485 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:24:21,486 INFO L93 Difference]: Finished difference Result 297 states and 363 transitions. [2024-11-17 04:24:21,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-17 04:24:21,486 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), 3 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) Word has length 63 [2024-11-17 04:24:21,486 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:24:21,487 INFO L225 Difference]: With dead ends: 297 [2024-11-17 04:24:21,487 INFO L226 Difference]: Without dead ends: 296 [2024-11-17 04:24:21,488 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-17 04:24:21,488 INFO L432 NwaCegarLoop]: 80 mSDtfsCounter, 297 mSDsluCounter, 93 mSDsCounter, 0 mSdLazyCounter, 156 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 297 SdHoareTripleChecker+Valid, 173 SdHoareTripleChecker+Invalid, 182 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 156 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-17 04:24:21,488 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [297 Valid, 173 Invalid, 182 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 156 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-17 04:24:21,489 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 296 states. [2024-11-17 04:24:21,495 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 296 to 295. [2024-11-17 04:24:21,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 295 states, 216 states have (on average 1.4398148148148149) internal successors, (311), 267 states have internal predecessors, (311), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-17 04:24:21,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 295 states and 361 transitions. [2024-11-17 04:24:21,497 INFO L78 Accepts]: Start accepts. Automaton has 295 states and 361 transitions. Word has length 63 [2024-11-17 04:24:21,497 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:24:21,498 INFO L471 AbstractCegarLoop]: Abstraction has 295 states and 361 transitions. [2024-11-17 04:24:21,498 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), 3 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2024-11-17 04:24:21,498 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 361 transitions. [2024-11-17 04:24:21,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-11-17 04:24:21,498 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:24:21,498 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:24:21,498 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-17 04:24:21,499 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-17 04:24:21,499 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:24:21,499 INFO L85 PathProgramCache]: Analyzing trace with hash 1625780684, now seen corresponding path program 1 times [2024-11-17 04:24:21,499 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:24:21,499 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1128484847] [2024-11-17 04:24:21,499 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:24:21,499 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:24:21,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:24:21,550 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-17 04:24:21,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:24:21,554 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-17 04:24:21,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:24:21,559 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-17 04:24:21,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:24:21,564 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-17 04:24:21,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:24:21,567 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-17 04:24:21,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:24:21,572 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-17 04:24:21,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:24:21,575 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-17 04:24:21,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:24:21,579 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-17 04:24:21,579 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:24:21,579 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1128484847] [2024-11-17 04:24:21,580 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1128484847] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:24:21,580 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:24:21,580 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-17 04:24:21,580 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [768611282] [2024-11-17 04:24:21,580 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:24:21,580 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-17 04:24:21,580 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:24:21,580 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-17 04:24:21,580 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-17 04:24:21,580 INFO L87 Difference]: Start difference. First operand 295 states and 361 transitions. Second operand has 5 states, 4 states have (on average 8.5) internal successors, (34), 5 states have internal predecessors, (34), 3 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2024-11-17 04:24:22,015 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:24:22,015 INFO L93 Difference]: Finished difference Result 296 states and 361 transitions. [2024-11-17 04:24:22,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-17 04:24:22,016 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), 3 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) Word has length 63 [2024-11-17 04:24:22,016 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:24:22,017 INFO L225 Difference]: With dead ends: 296 [2024-11-17 04:24:22,017 INFO L226 Difference]: Without dead ends: 295 [2024-11-17 04:24:22,017 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-17 04:24:22,018 INFO L432 NwaCegarLoop]: 80 mSDtfsCounter, 297 mSDsluCounter, 93 mSDsCounter, 0 mSdLazyCounter, 156 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 297 SdHoareTripleChecker+Valid, 173 SdHoareTripleChecker+Invalid, 182 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 156 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-17 04:24:22,018 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [297 Valid, 173 Invalid, 182 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 156 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-17 04:24:22,018 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 295 states. [2024-11-17 04:24:22,026 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 295 to 295. [2024-11-17 04:24:22,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 295 states, 216 states have (on average 1.4351851851851851) internal successors, (310), 267 states have internal predecessors, (310), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-17 04:24:22,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 295 states and 360 transitions. [2024-11-17 04:24:22,027 INFO L78 Accepts]: Start accepts. Automaton has 295 states and 360 transitions. Word has length 63 [2024-11-17 04:24:22,027 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:24:22,028 INFO L471 AbstractCegarLoop]: Abstraction has 295 states and 360 transitions. [2024-11-17 04:24:22,028 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), 3 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2024-11-17 04:24:22,028 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 360 transitions. [2024-11-17 04:24:22,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2024-11-17 04:24:22,028 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:24:22,028 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:24:22,029 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-17 04:24:22,029 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-17 04:24:22,029 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:24:22,029 INFO L85 PathProgramCache]: Analyzing trace with hash -1368169288, now seen corresponding path program 1 times [2024-11-17 04:24:22,029 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:24:22,029 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1197506173] [2024-11-17 04:24:22,029 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:24:22,029 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:24:22,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:24:22,081 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-17 04:24:22,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:24:22,083 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-17 04:24:22,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:24:22,085 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-17 04:24:22,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:24:22,086 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-17 04:24:22,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:24:22,088 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-17 04:24:22,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:24:22,091 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-17 04:24:22,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:24:22,094 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-17 04:24:22,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:24:22,102 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-17 04:24:22,102 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:24:22,102 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1197506173] [2024-11-17 04:24:22,102 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1197506173] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:24:22,102 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:24:22,102 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-17 04:24:22,103 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2011985812] [2024-11-17 04:24:22,103 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:24:22,103 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-17 04:24:22,103 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:24:22,103 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-17 04:24:22,103 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 04:24:22,104 INFO L87 Difference]: Start difference. First operand 295 states and 360 transitions. Second operand has 3 states, 2 states have (on average 19.5) internal successors, (39), 3 states have internal predecessors, (39), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-17 04:24:22,249 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:24:22,249 INFO L93 Difference]: Finished difference Result 358 states and 434 transitions. [2024-11-17 04:24:22,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-17 04:24:22,249 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 19.5) internal successors, (39), 3 states have internal predecessors, (39), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 68 [2024-11-17 04:24:22,249 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:24:22,251 INFO L225 Difference]: With dead ends: 358 [2024-11-17 04:24:22,251 INFO L226 Difference]: Without dead ends: 354 [2024-11-17 04:24:22,252 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 04:24:22,252 INFO L432 NwaCegarLoop]: 88 mSDtfsCounter, 47 mSDsluCounter, 70 mSDsCounter, 0 mSdLazyCounter, 139 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 158 SdHoareTripleChecker+Invalid, 143 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 139 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 04:24:22,252 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [50 Valid, 158 Invalid, 143 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 139 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 04:24:22,253 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 354 states. [2024-11-17 04:24:22,261 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 354 to 309. [2024-11-17 04:24:22,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 309 states, 230 states have (on average 1.4130434782608696) internal successors, (325), 281 states have internal predecessors, (325), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-17 04:24:22,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 309 states and 375 transitions. [2024-11-17 04:24:22,263 INFO L78 Accepts]: Start accepts. Automaton has 309 states and 375 transitions. Word has length 68 [2024-11-17 04:24:22,263 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:24:22,263 INFO L471 AbstractCegarLoop]: Abstraction has 309 states and 375 transitions. [2024-11-17 04:24:22,263 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 19.5) internal successors, (39), 3 states have internal predecessors, (39), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-17 04:24:22,263 INFO L276 IsEmpty]: Start isEmpty. Operand 309 states and 375 transitions. [2024-11-17 04:24:22,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2024-11-17 04:24:22,264 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:24:22,264 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:24:22,264 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-17 04:24:22,264 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-17 04:24:22,264 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:24:22,265 INFO L85 PathProgramCache]: Analyzing trace with hash 1782804753, now seen corresponding path program 1 times [2024-11-17 04:24:22,265 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:24:22,265 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [116314399] [2024-11-17 04:24:22,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:24:22,265 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:24:22,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:24:22,353 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-17 04:24:22,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:24:22,356 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-17 04:24:22,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:24:22,358 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-17 04:24:22,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:24:22,362 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-17 04:24:22,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:24:22,363 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-17 04:24:22,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:24:22,366 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-17 04:24:22,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:24:22,384 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-17 04:24:22,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:24:22,388 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-17 04:24:22,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:24:22,391 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2024-11-17 04:24:22,391 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:24:22,392 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [116314399] [2024-11-17 04:24:22,392 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [116314399] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:24:22,392 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1075153000] [2024-11-17 04:24:22,392 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:24:22,392 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:24:22,392 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:24:22,394 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 04:24:22,395 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-11-17 04:24:22,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:24:22,442 INFO L255 TraceCheckSpWp]: Trace formula consists of 140 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-17 04:24:22,444 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:24:22,618 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-11-17 04:24:22,618 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 04:24:22,618 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1075153000] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:24:22,618 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-17 04:24:22,618 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 7 [2024-11-17 04:24:22,619 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1700067144] [2024-11-17 04:24:22,619 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:24:22,619 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 04:24:22,619 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:24:22,619 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 04:24:22,619 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-17 04:24:22,620 INFO L87 Difference]: Start difference. First operand 309 states and 375 transitions. Second operand has 4 states, 3 states have (on average 13.333333333333334) internal successors, (40), 4 states have internal predecessors, (40), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-11-17 04:24:23,015 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:24:23,015 INFO L93 Difference]: Finished difference Result 347 states and 426 transitions. [2024-11-17 04:24:23,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-17 04:24:23,015 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 13.333333333333334) internal successors, (40), 4 states have internal predecessors, (40), 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 74 [2024-11-17 04:24:23,015 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:24:23,016 INFO L225 Difference]: With dead ends: 347 [2024-11-17 04:24:23,016 INFO L226 Difference]: Without dead ends: 346 [2024-11-17 04:24:23,017 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 87 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-17 04:24:23,017 INFO L432 NwaCegarLoop]: 64 mSDtfsCounter, 68 mSDsluCounter, 73 mSDsCounter, 0 mSdLazyCounter, 309 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 68 SdHoareTripleChecker+Valid, 137 SdHoareTripleChecker+Invalid, 315 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 309 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-17 04:24:23,017 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [68 Valid, 137 Invalid, 315 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 309 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-17 04:24:23,018 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 346 states. [2024-11-17 04:24:23,025 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 346 to 310. [2024-11-17 04:24:23,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 310 states, 231 states have (on average 1.406926406926407) internal successors, (325), 282 states have internal predecessors, (325), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-17 04:24:23,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 310 states and 375 transitions. [2024-11-17 04:24:23,027 INFO L78 Accepts]: Start accepts. Automaton has 310 states and 375 transitions. Word has length 74 [2024-11-17 04:24:23,027 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:24:23,027 INFO L471 AbstractCegarLoop]: Abstraction has 310 states and 375 transitions. [2024-11-17 04:24:23,027 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 13.333333333333334) internal successors, (40), 4 states have internal predecessors, (40), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-11-17 04:24:23,027 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 375 transitions. [2024-11-17 04:24:23,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2024-11-17 04:24:23,028 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:24:23,028 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 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] [2024-11-17 04:24:23,041 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2024-11-17 04:24:23,228 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:24:23,229 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr55ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-17 04:24:23,229 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:24:23,229 INFO L85 PathProgramCache]: Analyzing trace with hash -1484742400, now seen corresponding path program 1 times [2024-11-17 04:24:23,229 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:24:23,229 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [572955807] [2024-11-17 04:24:23,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:24:23,230 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:24:23,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:24:23,244 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [647155646] [2024-11-17 04:24:23,244 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:24:23,245 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:24:23,245 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:24:23,246 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 04:24:23,251 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-11-17 04:24:23,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:24:23,290 INFO L255 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-17 04:24:23,291 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:24:23,444 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-17 04:24:23,444 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:24:24,949 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:24:24,949 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [572955807] [2024-11-17 04:24:24,949 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:24:24,949 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [647155646] [2024-11-17 04:24:24,949 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [647155646] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:24:24,950 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-17 04:24:24,950 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3] total 3 [2024-11-17 04:24:24,950 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2126451863] [2024-11-17 04:24:24,950 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-17 04:24:24,950 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 04:24:24,950 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:24:24,951 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 04:24:24,951 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=16, Unknown=1, NotChecked=0, Total=30 [2024-11-17 04:24:24,951 INFO L87 Difference]: Start difference. First operand 310 states and 375 transitions. Second operand has 4 states, 3 states have (on average 14.666666666666666) internal successors, (44), 4 states have internal predecessors, (44), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-17 04:24:25,286 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:24:25,286 INFO L93 Difference]: Finished difference Result 350 states and 424 transitions. [2024-11-17 04:24:25,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-17 04:24:25,287 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 14.666666666666666) internal successors, (44), 4 states have internal predecessors, (44), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 73 [2024-11-17 04:24:25,287 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:24:25,288 INFO L225 Difference]: With dead ends: 350 [2024-11-17 04:24:25,288 INFO L226 Difference]: Without dead ends: 348 [2024-11-17 04:24:25,289 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 83 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=13, Invalid=16, Unknown=1, NotChecked=0, Total=30 [2024-11-17 04:24:25,289 INFO L432 NwaCegarLoop]: 82 mSDtfsCounter, 76 mSDsluCounter, 68 mSDsCounter, 0 mSdLazyCounter, 149 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 79 SdHoareTripleChecker+Valid, 150 SdHoareTripleChecker+Invalid, 154 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 149 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-17 04:24:25,289 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [79 Valid, 150 Invalid, 154 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 149 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-17 04:24:25,290 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 348 states. [2024-11-17 04:24:25,300 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 348 to 311. [2024-11-17 04:24:25,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 311 states, 232 states have (on average 1.4008620689655173) internal successors, (325), 283 states have internal predecessors, (325), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-17 04:24:25,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 311 states to 311 states and 375 transitions. [2024-11-17 04:24:25,301 INFO L78 Accepts]: Start accepts. Automaton has 311 states and 375 transitions. Word has length 73 [2024-11-17 04:24:25,302 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:24:25,302 INFO L471 AbstractCegarLoop]: Abstraction has 311 states and 375 transitions. [2024-11-17 04:24:25,302 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 14.666666666666666) internal successors, (44), 4 states have internal predecessors, (44), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-17 04:24:25,302 INFO L276 IsEmpty]: Start isEmpty. Operand 311 states and 375 transitions. [2024-11-17 04:24:25,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2024-11-17 04:24:25,302 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:24:25,303 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:24:25,319 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2024-11-17 04:24:25,506 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:24:25,506 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-17 04:24:25,507 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:24:25,507 INFO L85 PathProgramCache]: Analyzing trace with hash -567627497, now seen corresponding path program 1 times [2024-11-17 04:24:25,507 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:24:25,507 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [811680236] [2024-11-17 04:24:25,507 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:24:25,507 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:24:25,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:24:25,671 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-17 04:24:25,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:24:25,694 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-17 04:24:25,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:24:25,697 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-17 04:24:25,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:24:25,699 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-17 04:24:25,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:24:25,703 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-17 04:24:25,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:24:25,708 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-17 04:24:25,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:24:25,712 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-17 04:24:25,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:24:25,717 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-17 04:24:25,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:24:25,721 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2024-11-17 04:24:25,722 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:24:25,722 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [811680236] [2024-11-17 04:24:25,722 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [811680236] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:24:25,722 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [359955013] [2024-11-17 04:24:25,722 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:24:25,722 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:24:25,723 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:24:25,724 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 04:24:25,726 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-11-17 04:24:25,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:24:25,765 INFO L255 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-17 04:24:25,766 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:24:25,947 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-11-17 04:24:25,947 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 04:24:25,947 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [359955013] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:24:25,947 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-17 04:24:25,947 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 9 [2024-11-17 04:24:25,947 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [395690229] [2024-11-17 04:24:25,948 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:24:25,948 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 04:24:25,948 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:24:25,948 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 04:24:25,948 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2024-11-17 04:24:25,949 INFO L87 Difference]: Start difference. First operand 311 states and 375 transitions. Second operand has 4 states, 3 states have (on average 13.666666666666666) internal successors, (41), 4 states have internal predecessors, (41), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-11-17 04:24:26,436 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:24:26,436 INFO L93 Difference]: Finished difference Result 347 states and 422 transitions. [2024-11-17 04:24:26,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 04:24:26,437 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 13.666666666666666) internal successors, (41), 4 states have internal predecessors, (41), 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 75 [2024-11-17 04:24:26,437 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:24:26,438 INFO L225 Difference]: With dead ends: 347 [2024-11-17 04:24:26,438 INFO L226 Difference]: Without dead ends: 346 [2024-11-17 04:24:26,439 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2024-11-17 04:24:26,439 INFO L432 NwaCegarLoop]: 72 mSDtfsCounter, 64 mSDsluCounter, 73 mSDsCounter, 0 mSdLazyCounter, 301 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 64 SdHoareTripleChecker+Valid, 145 SdHoareTripleChecker+Invalid, 307 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 301 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-17 04:24:26,439 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [64 Valid, 145 Invalid, 307 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 301 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-17 04:24:26,440 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 346 states. [2024-11-17 04:24:26,449 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 346 to 312. [2024-11-17 04:24:26,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 312 states, 233 states have (on average 1.3948497854077253) internal successors, (325), 284 states have internal predecessors, (325), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-17 04:24:26,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 312 states and 375 transitions. [2024-11-17 04:24:26,450 INFO L78 Accepts]: Start accepts. Automaton has 312 states and 375 transitions. Word has length 75 [2024-11-17 04:24:26,450 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:24:26,450 INFO L471 AbstractCegarLoop]: Abstraction has 312 states and 375 transitions. [2024-11-17 04:24:26,451 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 13.666666666666666) internal successors, (41), 4 states have internal predecessors, (41), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-11-17 04:24:26,451 INFO L276 IsEmpty]: Start isEmpty. Operand 312 states and 375 transitions. [2024-11-17 04:24:26,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2024-11-17 04:24:26,451 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:24:26,451 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 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] [2024-11-17 04:24:26,464 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2024-11-17 04:24:26,652 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:24:26,652 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr54ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-17 04:24:26,652 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:24:26,653 INFO L85 PathProgramCache]: Analyzing trace with hash 1217625954, now seen corresponding path program 1 times [2024-11-17 04:24:26,653 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:24:26,653 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1878851091] [2024-11-17 04:24:26,653 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:24:26,653 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:24:26,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:24:26,679 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [712337475] [2024-11-17 04:24:26,679 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:24:26,679 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:24:26,680 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:24:26,681 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 04:24:26,684 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-11-17 04:24:26,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:24:26,722 INFO L255 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-17 04:24:26,723 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:24:26,875 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-17 04:24:26,875 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:24:27,464 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:24:27,465 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1878851091] [2024-11-17 04:24:27,465 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:24:27,465 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [712337475] [2024-11-17 04:24:27,465 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [712337475] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:24:27,465 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-17 04:24:27,465 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3] total 3 [2024-11-17 04:24:27,465 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1141375306] [2024-11-17 04:24:27,465 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-17 04:24:27,465 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 04:24:27,466 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:24:27,466 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 04:24:27,466 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-17 04:24:27,466 INFO L87 Difference]: Start difference. First operand 312 states and 375 transitions. Second operand has 4 states, 3 states have (on average 15.0) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-17 04:24:27,727 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:24:27,728 INFO L93 Difference]: Finished difference Result 350 states and 420 transitions. [2024-11-17 04:24:27,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-17 04:24:27,729 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 15.0) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 74 [2024-11-17 04:24:27,730 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:24:27,731 INFO L225 Difference]: With dead ends: 350 [2024-11-17 04:24:27,731 INFO L226 Difference]: Without dead ends: 348 [2024-11-17 04:24:27,731 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 85 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-17 04:24:27,732 INFO L432 NwaCegarLoop]: 85 mSDtfsCounter, 38 mSDsluCounter, 120 mSDsCounter, 0 mSdLazyCounter, 242 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 205 SdHoareTripleChecker+Invalid, 244 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 242 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-17 04:24:27,732 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [41 Valid, 205 Invalid, 244 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 242 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-17 04:24:27,733 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 348 states. [2024-11-17 04:24:27,741 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 348 to 313. [2024-11-17 04:24:27,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 313 states, 234 states have (on average 1.3888888888888888) internal successors, (325), 285 states have internal predecessors, (325), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-17 04:24:27,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 313 states and 375 transitions. [2024-11-17 04:24:27,743 INFO L78 Accepts]: Start accepts. Automaton has 313 states and 375 transitions. Word has length 74 [2024-11-17 04:24:27,743 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:24:27,743 INFO L471 AbstractCegarLoop]: Abstraction has 313 states and 375 transitions. [2024-11-17 04:24:27,743 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 15.0) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-17 04:24:27,743 INFO L276 IsEmpty]: Start isEmpty. Operand 313 states and 375 transitions. [2024-11-17 04:24:27,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2024-11-17 04:24:27,744 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:24:27,744 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 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, 1, 1, 1] [2024-11-17 04:24:27,756 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2024-11-17 04:24:27,947 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,SelfDestructingSolverStorable21 [2024-11-17 04:24:27,948 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr51ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-17 04:24:27,948 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:24:27,948 INFO L85 PathProgramCache]: Analyzing trace with hash -998891140, now seen corresponding path program 1 times [2024-11-17 04:24:27,948 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:24:27,948 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [440529086] [2024-11-17 04:24:27,948 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:24:27,948 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:24:27,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:24:27,958 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [877049735] [2024-11-17 04:24:27,958 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:24:27,958 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:24:27,958 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:24:27,959 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 04:24:27,960 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2024-11-17 04:24:27,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:24:27,996 INFO L255 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-17 04:24:27,997 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:24:28,063 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2024-11-17 04:24:28,064 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 04:24:28,064 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:24:28,064 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [440529086] [2024-11-17 04:24:28,064 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:24:28,064 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [877049735] [2024-11-17 04:24:28,064 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [877049735] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:24:28,064 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:24:28,064 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-17 04:24:28,064 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1462848523] [2024-11-17 04:24:28,065 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:24:28,065 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 04:24:28,065 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:24:28,065 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 04:24:28,065 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-17 04:24:28,065 INFO L87 Difference]: Start difference. First operand 313 states and 375 transitions. Second operand has 4 states, 3 states have (on average 15.333333333333334) internal successors, (46), 4 states have internal predecessors, (46), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-17 04:24:28,869 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:24:28,869 INFO L93 Difference]: Finished difference Result 365 states and 420 transitions. [2024-11-17 04:24:28,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 04:24:28,872 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 15.333333333333334) internal successors, (46), 4 states have internal predecessors, (46), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 77 [2024-11-17 04:24:28,873 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:24:28,874 INFO L225 Difference]: With dead ends: 365 [2024-11-17 04:24:28,874 INFO L226 Difference]: Without dead ends: 364 [2024-11-17 04:24:28,874 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-17 04:24:28,874 INFO L432 NwaCegarLoop]: 81 mSDtfsCounter, 81 mSDsluCounter, 149 mSDsCounter, 0 mSdLazyCounter, 215 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 87 SdHoareTripleChecker+Valid, 230 SdHoareTripleChecker+Invalid, 217 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 215 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-17 04:24:28,875 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [87 Valid, 230 Invalid, 217 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 215 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-17 04:24:28,875 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 364 states. [2024-11-17 04:24:28,894 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 364 to 313. [2024-11-17 04:24:28,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 313 states, 234 states have (on average 1.3846153846153846) internal successors, (324), 285 states have internal predecessors, (324), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-17 04:24:28,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 313 states and 374 transitions. [2024-11-17 04:24:28,895 INFO L78 Accepts]: Start accepts. Automaton has 313 states and 374 transitions. Word has length 77 [2024-11-17 04:24:28,896 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:24:28,896 INFO L471 AbstractCegarLoop]: Abstraction has 313 states and 374 transitions. [2024-11-17 04:24:28,896 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 15.333333333333334) internal successors, (46), 4 states have internal predecessors, (46), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-17 04:24:28,896 INFO L276 IsEmpty]: Start isEmpty. Operand 313 states and 374 transitions. [2024-11-17 04:24:28,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2024-11-17 04:24:28,896 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:24:28,897 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 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, 1, 1, 1] [2024-11-17 04:24:28,916 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Ended with exit code 0 [2024-11-17 04:24:29,097 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,18 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:24:29,097 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr50ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-17 04:24:29,097 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:24:29,097 INFO L85 PathProgramCache]: Analyzing trace with hash -900854178, now seen corresponding path program 1 times [2024-11-17 04:24:29,098 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:24:29,098 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1235941213] [2024-11-17 04:24:29,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:24:29,098 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:24:29,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:24:29,111 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1096957022] [2024-11-17 04:24:29,111 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:24:29,111 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:24:29,111 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:24:29,112 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 04:24:29,114 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2024-11-17 04:24:29,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:24:29,151 INFO L255 TraceCheckSpWp]: Trace formula consists of 142 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-17 04:24:29,152 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:24:29,327 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-17 04:24:29,328 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 04:24:29,328 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:24:29,328 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1235941213] [2024-11-17 04:24:29,328 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:24:29,328 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1096957022] [2024-11-17 04:24:29,328 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1096957022] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:24:29,328 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:24:29,328 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-17 04:24:29,328 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1215928392] [2024-11-17 04:24:29,328 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:24:29,328 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 04:24:29,328 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:24:29,329 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 04:24:29,329 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-17 04:24:29,329 INFO L87 Difference]: Start difference. First operand 313 states and 374 transitions. Second operand has 4 states, 3 states have (on average 15.333333333333334) internal successors, (46), 4 states have internal predecessors, (46), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-17 04:24:29,804 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:24:29,804 INFO L93 Difference]: Finished difference Result 367 states and 419 transitions. [2024-11-17 04:24:29,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 04:24:29,804 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 15.333333333333334) internal successors, (46), 4 states have internal predecessors, (46), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 78 [2024-11-17 04:24:29,804 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:24:29,805 INFO L225 Difference]: With dead ends: 367 [2024-11-17 04:24:29,805 INFO L226 Difference]: Without dead ends: 364 [2024-11-17 04:24:29,806 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 75 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-17 04:24:29,806 INFO L432 NwaCegarLoop]: 84 mSDtfsCounter, 119 mSDsluCounter, 97 mSDsCounter, 0 mSdLazyCounter, 133 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 125 SdHoareTripleChecker+Valid, 181 SdHoareTripleChecker+Invalid, 140 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 133 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-17 04:24:29,806 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [125 Valid, 181 Invalid, 140 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 133 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-17 04:24:29,807 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 364 states. [2024-11-17 04:24:29,814 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 364 to 316. [2024-11-17 04:24:29,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 316 states, 237 states have (on average 1.379746835443038) internal successors, (327), 288 states have internal predecessors, (327), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-17 04:24:29,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 316 states and 377 transitions. [2024-11-17 04:24:29,816 INFO L78 Accepts]: Start accepts. Automaton has 316 states and 377 transitions. Word has length 78 [2024-11-17 04:24:29,816 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:24:29,816 INFO L471 AbstractCegarLoop]: Abstraction has 316 states and 377 transitions. [2024-11-17 04:24:29,816 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 15.333333333333334) internal successors, (46), 4 states have internal predecessors, (46), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-17 04:24:29,816 INFO L276 IsEmpty]: Start isEmpty. Operand 316 states and 377 transitions. [2024-11-17 04:24:29,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2024-11-17 04:24:29,817 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:24:29,817 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:24:29,829 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Forceful destruction successful, exit code 0 [2024-11-17 04:24:30,017 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23,19 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:24:30,017 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr49ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-17 04:24:30,018 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:24:30,018 INFO L85 PathProgramCache]: Analyzing trace with hash -12108143, now seen corresponding path program 1 times [2024-11-17 04:24:30,018 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:24:30,018 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [864448107] [2024-11-17 04:24:30,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:24:30,018 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:24:30,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:24:30,034 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2042075644] [2024-11-17 04:24:30,034 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:24:30,034 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:24:30,034 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:24:30,036 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 04:24:30,037 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2024-11-17 04:24:30,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:24:30,073 INFO L255 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-17 04:24:30,074 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:24:30,341 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 3 proven. 16 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2024-11-17 04:24:30,341 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:24:30,473 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:24:30,473 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [864448107] [2024-11-17 04:24:30,473 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:24:30,473 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2042075644] [2024-11-17 04:24:30,474 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2042075644] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:24:30,474 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-17 04:24:30,474 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2024-11-17 04:24:30,474 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [329827311] [2024-11-17 04:24:30,474 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-17 04:24:30,474 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-17 04:24:30,474 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:24:30,475 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-17 04:24:30,475 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-17 04:24:30,475 INFO L87 Difference]: Start difference. First operand 316 states and 377 transitions. Second operand has 7 states, 6 states have (on average 8.833333333333334) internal successors, (53), 6 states have internal predecessors, (53), 4 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 4 states have call successors, (8) [2024-11-17 04:24:31,098 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:24:31,098 INFO L93 Difference]: Finished difference Result 514 states and 639 transitions. [2024-11-17 04:24:31,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-17 04:24:31,098 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 8.833333333333334) internal successors, (53), 6 states have internal predecessors, (53), 4 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 4 states have call successors, (8) Word has length 84 [2024-11-17 04:24:31,099 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:24:31,100 INFO L225 Difference]: With dead ends: 514 [2024-11-17 04:24:31,100 INFO L226 Difference]: Without dead ends: 510 [2024-11-17 04:24:31,100 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 102 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-17 04:24:31,101 INFO L432 NwaCegarLoop]: 70 mSDtfsCounter, 237 mSDsluCounter, 269 mSDsCounter, 0 mSdLazyCounter, 441 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 251 SdHoareTripleChecker+Valid, 339 SdHoareTripleChecker+Invalid, 445 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 441 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-17 04:24:31,101 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [251 Valid, 339 Invalid, 445 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 441 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-17 04:24:31,101 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 510 states. [2024-11-17 04:24:31,113 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 510 to 400. [2024-11-17 04:24:31,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 400 states, 312 states have (on average 1.4134615384615385) internal successors, (441), 363 states have internal predecessors, (441), 34 states have call successors, (34), 2 states have call predecessors, (34), 2 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) [2024-11-17 04:24:31,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 400 states to 400 states and 509 transitions. [2024-11-17 04:24:31,119 INFO L78 Accepts]: Start accepts. Automaton has 400 states and 509 transitions. Word has length 84 [2024-11-17 04:24:31,120 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:24:31,120 INFO L471 AbstractCegarLoop]: Abstraction has 400 states and 509 transitions. [2024-11-17 04:24:31,123 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 8.833333333333334) internal successors, (53), 6 states have internal predecessors, (53), 4 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 4 states have call successors, (8) [2024-11-17 04:24:31,123 INFO L276 IsEmpty]: Start isEmpty. Operand 400 states and 509 transitions. [2024-11-17 04:24:31,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2024-11-17 04:24:31,124 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:24:31,124 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:24:31,137 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Forceful destruction successful, exit code 0 [2024-11-17 04:24:31,324 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24,20 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:24:31,325 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr48ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-17 04:24:31,325 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:24:31,325 INFO L85 PathProgramCache]: Analyzing trace with hash -375352348, now seen corresponding path program 1 times [2024-11-17 04:24:31,325 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:24:31,325 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1616065693] [2024-11-17 04:24:31,325 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:24:31,326 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:24:31,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:24:31,335 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2073587831] [2024-11-17 04:24:31,335 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:24:31,336 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:24:31,336 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:24:31,337 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 04:24:31,338 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2024-11-17 04:24:31,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:24:31,375 INFO L255 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-17 04:24:31,376 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:24:31,641 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 3 proven. 17 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2024-11-17 04:24:31,641 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:24:32,328 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:24:32,328 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1616065693] [2024-11-17 04:24:32,328 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:24:32,328 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2073587831] [2024-11-17 04:24:32,328 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2073587831] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:24:32,329 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-17 04:24:32,329 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2024-11-17 04:24:32,329 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [340556210] [2024-11-17 04:24:32,329 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-17 04:24:32,329 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-17 04:24:32,329 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:24:32,329 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-17 04:24:32,348 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2024-11-17 04:24:32,348 INFO L87 Difference]: Start difference. First operand 400 states and 509 transitions. Second operand has 7 states, 6 states have (on average 9.0) internal successors, (54), 6 states have internal predecessors, (54), 4 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 4 states have call successors, (8) [2024-11-17 04:24:32,869 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:24:32,869 INFO L93 Difference]: Finished difference Result 430 states and 534 transitions. [2024-11-17 04:24:32,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-17 04:24:32,869 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 9.0) internal successors, (54), 6 states have internal predecessors, (54), 4 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 4 states have call successors, (8) Word has length 85 [2024-11-17 04:24:32,870 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:24:32,871 INFO L225 Difference]: With dead ends: 430 [2024-11-17 04:24:32,871 INFO L226 Difference]: Without dead ends: 424 [2024-11-17 04:24:32,871 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2024-11-17 04:24:32,872 INFO L432 NwaCegarLoop]: 114 mSDtfsCounter, 194 mSDsluCounter, 277 mSDsCounter, 0 mSdLazyCounter, 489 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 197 SdHoareTripleChecker+Valid, 391 SdHoareTripleChecker+Invalid, 504 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 489 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-17 04:24:32,872 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [197 Valid, 391 Invalid, 504 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 489 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-17 04:24:32,872 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 424 states. [2024-11-17 04:24:32,886 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 424 to 394. [2024-11-17 04:24:32,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 394 states, 312 states have (on average 1.3653846153846154) internal successors, (426), 357 states have internal predecessors, (426), 34 states have call successors, (34), 2 states have call predecessors, (34), 2 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) [2024-11-17 04:24:32,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 394 states to 394 states and 494 transitions. [2024-11-17 04:24:32,888 INFO L78 Accepts]: Start accepts. Automaton has 394 states and 494 transitions. Word has length 85 [2024-11-17 04:24:32,889 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:24:32,890 INFO L471 AbstractCegarLoop]: Abstraction has 394 states and 494 transitions. [2024-11-17 04:24:32,890 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 9.0) internal successors, (54), 6 states have internal predecessors, (54), 4 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 4 states have call successors, (8) [2024-11-17 04:24:32,890 INFO L276 IsEmpty]: Start isEmpty. Operand 394 states and 494 transitions. [2024-11-17 04:24:32,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2024-11-17 04:24:32,892 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:24:32,892 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 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] [2024-11-17 04:24:32,905 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Forceful destruction successful, exit code 0 [2024-11-17 04:24:33,095 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,SelfDestructingSolverStorable25 [2024-11-17 04:24:33,096 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr47ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-17 04:24:33,096 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:24:33,096 INFO L85 PathProgramCache]: Analyzing trace with hash 1248979183, now seen corresponding path program 1 times [2024-11-17 04:24:33,096 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:24:33,096 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1257273839] [2024-11-17 04:24:33,096 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:24:33,096 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:24:33,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:24:33,108 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [830430022] [2024-11-17 04:24:33,108 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:24:33,108 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:24:33,108 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:24:33,109 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 04:24:33,110 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2024-11-17 04:24:33,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:24:33,150 INFO L255 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-17 04:24:33,152 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:24:33,547 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-17 04:24:33,548 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:24:35,166 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:24:35,166 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1257273839] [2024-11-17 04:24:35,166 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:24:35,166 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [830430022] [2024-11-17 04:24:35,166 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [830430022] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:24:35,167 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-17 04:24:35,167 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2024-11-17 04:24:35,167 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [177814898] [2024-11-17 04:24:35,167 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-17 04:24:35,167 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-17 04:24:35,167 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:24:35,168 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-17 04:24:35,168 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=97, Unknown=1, NotChecked=0, Total=132 [2024-11-17 04:24:35,168 INFO L87 Difference]: Start difference. First operand 394 states and 494 transitions. Second operand has 9 states, 8 states have (on average 6.875) internal successors, (55), 8 states have internal predecessors, (55), 5 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 5 states have call successors, (8) [2024-11-17 04:24:36,091 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:24:36,091 INFO L93 Difference]: Finished difference Result 548 states and 710 transitions. [2024-11-17 04:24:36,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-17 04:24:36,092 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), 5 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 5 states have call successors, (8) Word has length 86 [2024-11-17 04:24:36,092 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:24:36,095 INFO L225 Difference]: With dead ends: 548 [2024-11-17 04:24:36,095 INFO L226 Difference]: Without dead ends: 541 [2024-11-17 04:24:36,095 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=81, Invalid=190, Unknown=1, NotChecked=0, Total=272 [2024-11-17 04:24:36,096 INFO L432 NwaCegarLoop]: 69 mSDtfsCounter, 333 mSDsluCounter, 295 mSDsCounter, 0 mSdLazyCounter, 1028 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 339 SdHoareTripleChecker+Valid, 364 SdHoareTripleChecker+Invalid, 1061 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 1028 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-17 04:24:36,097 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [339 Valid, 364 Invalid, 1061 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 1028 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-17 04:24:36,097 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 541 states. [2024-11-17 04:24:36,114 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 541 to 498. [2024-11-17 04:24:36,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 498 states, 406 states have (on average 1.4064039408866995) internal successors, (571), 451 states have internal predecessors, (571), 44 states have call successors, (44), 2 states have call predecessors, (44), 2 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) [2024-11-17 04:24:36,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 498 states to 498 states and 659 transitions. [2024-11-17 04:24:36,116 INFO L78 Accepts]: Start accepts. Automaton has 498 states and 659 transitions. Word has length 86 [2024-11-17 04:24:36,116 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:24:36,116 INFO L471 AbstractCegarLoop]: Abstraction has 498 states and 659 transitions. [2024-11-17 04:24:36,116 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), 5 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 5 states have call successors, (8) [2024-11-17 04:24:36,116 INFO L276 IsEmpty]: Start isEmpty. Operand 498 states and 659 transitions. [2024-11-17 04:24:36,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2024-11-17 04:24:36,117 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:24:36,117 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:24:36,131 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Forceful destruction successful, exit code 0 [2024-11-17 04:24:36,321 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2024-11-17 04:24:36,322 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr46ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-17 04:24:36,322 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:24:36,322 INFO L85 PathProgramCache]: Analyzing trace with hash 63649090, now seen corresponding path program 1 times [2024-11-17 04:24:36,322 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:24:36,322 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [373728043] [2024-11-17 04:24:36,322 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:24:36,322 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:24:36,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:24:36,338 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [351754212] [2024-11-17 04:24:36,338 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:24:36,338 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:24:36,338 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:24:36,340 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 04:24:36,342 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2024-11-17 04:24:36,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:24:36,383 INFO L255 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-17 04:24:36,385 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:24:36,756 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-17 04:24:36,756 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:24:40,504 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:24:40,504 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [373728043] [2024-11-17 04:24:40,504 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:24:40,504 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [351754212] [2024-11-17 04:24:40,504 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [351754212] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:24:40,504 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-17 04:24:40,504 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2024-11-17 04:24:40,504 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1736938686] [2024-11-17 04:24:40,504 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-17 04:24:40,506 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-17 04:24:40,506 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:24:40,506 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-17 04:24:40,506 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=96, Unknown=2, NotChecked=0, Total=132 [2024-11-17 04:24:40,506 INFO L87 Difference]: Start difference. First operand 498 states and 659 transitions. Second operand has 9 states, 8 states have (on average 7.0) internal successors, (56), 8 states have internal predecessors, (56), 5 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 5 states have call successors, (8) [2024-11-17 04:24:41,282 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:24:41,282 INFO L93 Difference]: Finished difference Result 608 states and 802 transitions. [2024-11-17 04:24:41,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-17 04:24:41,282 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 7.0) internal successors, (56), 8 states have internal predecessors, (56), 5 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 5 states have call successors, (8) Word has length 87 [2024-11-17 04:24:41,282 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:24:41,284 INFO L225 Difference]: With dead ends: 608 [2024-11-17 04:24:41,284 INFO L226 Difference]: Without dead ends: 606 [2024-11-17 04:24:41,284 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 105 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 3.5s TimeCoverageRelationStatistics Valid=81, Invalid=189, Unknown=2, NotChecked=0, Total=272 [2024-11-17 04:24:41,284 INFO L432 NwaCegarLoop]: 66 mSDtfsCounter, 474 mSDsluCounter, 216 mSDsCounter, 0 mSdLazyCounter, 921 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 480 SdHoareTripleChecker+Valid, 282 SdHoareTripleChecker+Invalid, 955 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 921 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-17 04:24:41,284 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [480 Valid, 282 Invalid, 955 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 921 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-17 04:24:41,285 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 606 states. [2024-11-17 04:24:41,301 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 606 to 537. [2024-11-17 04:24:41,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 537 states, 441 states have (on average 1.401360544217687) internal successors, (618), 486 states have internal predecessors, (618), 48 states have call successors, (48), 2 states have call predecessors, (48), 2 states have return successors, (48), 48 states have call predecessors, (48), 48 states have call successors, (48) [2024-11-17 04:24:41,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 537 states to 537 states and 714 transitions. [2024-11-17 04:24:41,303 INFO L78 Accepts]: Start accepts. Automaton has 537 states and 714 transitions. Word has length 87 [2024-11-17 04:24:41,303 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:24:41,303 INFO L471 AbstractCegarLoop]: Abstraction has 537 states and 714 transitions. [2024-11-17 04:24:41,303 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 7.0) internal successors, (56), 8 states have internal predecessors, (56), 5 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 5 states have call successors, (8) [2024-11-17 04:24:41,303 INFO L276 IsEmpty]: Start isEmpty. Operand 537 states and 714 transitions. [2024-11-17 04:24:41,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2024-11-17 04:24:41,304 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:24:41,304 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:24:41,320 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Ended with exit code 0 [2024-11-17 04:24:41,504 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2024-11-17 04:24:41,505 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr45ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-17 04:24:41,505 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:24:41,505 INFO L85 PathProgramCache]: Analyzing trace with hash 1973121869, now seen corresponding path program 1 times [2024-11-17 04:24:41,505 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:24:41,505 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [494181817] [2024-11-17 04:24:41,505 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:24:41,505 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:24:41,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:24:41,513 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [310346546] [2024-11-17 04:24:41,514 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:24:41,514 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:24:41,514 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:24:41,515 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 04:24:41,516 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2024-11-17 04:24:41,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:24:41,555 INFO L255 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-17 04:24:41,556 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:24:42,023 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 6 proven. 26 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-17 04:24:42,023 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:24:42,226 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:24:42,227 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [494181817] [2024-11-17 04:24:42,227 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:24:42,227 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [310346546] [2024-11-17 04:24:42,227 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [310346546] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:24:42,227 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-17 04:24:42,227 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2024-11-17 04:24:42,227 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1865693718] [2024-11-17 04:24:42,227 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-17 04:24:42,228 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-17 04:24:42,228 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:24:42,228 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-17 04:24:42,228 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=145, Unknown=0, NotChecked=0, Total=182 [2024-11-17 04:24:42,228 INFO L87 Difference]: Start difference. First operand 537 states and 714 transitions. Second operand has 12 states, 11 states have (on average 5.454545454545454) internal successors, (60), 11 states have internal predecessors, (60), 5 states have call successors, (8), 1 states have call predecessors, (8), 3 states have return successors, (8), 5 states have call predecessors, (8), 5 states have call successors, (8) [2024-11-17 04:24:43,377 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:24:43,378 INFO L93 Difference]: Finished difference Result 606 states and 796 transitions. [2024-11-17 04:24:43,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-17 04:24:43,378 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 5.454545454545454) internal successors, (60), 11 states have internal predecessors, (60), 5 states have call successors, (8), 1 states have call predecessors, (8), 3 states have return successors, (8), 5 states have call predecessors, (8), 5 states have call successors, (8) Word has length 88 [2024-11-17 04:24:43,378 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:24:43,380 INFO L225 Difference]: With dead ends: 606 [2024-11-17 04:24:43,380 INFO L226 Difference]: Without dead ends: 602 [2024-11-17 04:24:43,380 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 81 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=60, Invalid=212, Unknown=0, NotChecked=0, Total=272 [2024-11-17 04:24:43,380 INFO L432 NwaCegarLoop]: 68 mSDtfsCounter, 428 mSDsluCounter, 318 mSDsCounter, 0 mSdLazyCounter, 1531 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 446 SdHoareTripleChecker+Valid, 386 SdHoareTripleChecker+Invalid, 1560 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 1531 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-17 04:24:43,380 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [446 Valid, 386 Invalid, 1560 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 1531 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-17 04:24:43,381 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 602 states. [2024-11-17 04:24:43,397 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 602 to 475. [2024-11-17 04:24:43,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 475 states, 386 states have (on average 1.38860103626943) internal successors, (536), 431 states have internal predecessors, (536), 41 states have call successors, (41), 2 states have call predecessors, (41), 2 states have return successors, (41), 41 states have call predecessors, (41), 41 states have call successors, (41) [2024-11-17 04:24:43,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 475 states to 475 states and 618 transitions. [2024-11-17 04:24:43,399 INFO L78 Accepts]: Start accepts. Automaton has 475 states and 618 transitions. Word has length 88 [2024-11-17 04:24:43,399 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:24:43,399 INFO L471 AbstractCegarLoop]: Abstraction has 475 states and 618 transitions. [2024-11-17 04:24:43,399 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 5.454545454545454) internal successors, (60), 11 states have internal predecessors, (60), 5 states have call successors, (8), 1 states have call predecessors, (8), 3 states have return successors, (8), 5 states have call predecessors, (8), 5 states have call successors, (8) [2024-11-17 04:24:43,399 INFO L276 IsEmpty]: Start isEmpty. Operand 475 states and 618 transitions. [2024-11-17 04:24:43,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2024-11-17 04:24:43,400 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:24:43,400 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2024-11-17 04:24:43,413 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Forceful destruction successful, exit code 0 [2024-11-17 04:24:43,604 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28,24 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:24:43,605 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr44ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-17 04:24:43,605 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:24:43,605 INFO L85 PathProgramCache]: Analyzing trace with hash 1037235872, now seen corresponding path program 1 times [2024-11-17 04:24:43,605 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:24:43,605 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [426264630] [2024-11-17 04:24:43,605 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:24:43,606 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:24:43,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:24:43,616 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [796410468] [2024-11-17 04:24:43,616 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:24:43,616 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:24:43,617 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:24:43,619 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 04:24:43,621 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2024-11-17 04:24:43,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:24:43,662 INFO L255 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-17 04:24:43,664 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:24:43,911 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 9 proven. 15 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2024-11-17 04:24:43,911 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:24:44,289 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:24:44,289 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [426264630] [2024-11-17 04:24:44,289 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:24:44,289 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [796410468] [2024-11-17 04:24:44,289 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [796410468] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:24:44,290 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-17 04:24:44,290 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2024-11-17 04:24:44,291 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [589061621] [2024-11-17 04:24:44,291 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-17 04:24:44,291 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-17 04:24:44,291 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:24:44,291 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-17 04:24:44,291 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2024-11-17 04:24:44,292 INFO L87 Difference]: Start difference. First operand 475 states and 618 transitions. Second operand has 8 states, 7 states have (on average 8.285714285714286) internal successors, (58), 7 states have internal predecessors, (58), 3 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 3 states have call successors, (8) [2024-11-17 04:24:45,159 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:24:45,159 INFO L93 Difference]: Finished difference Result 545 states and 710 transitions. [2024-11-17 04:24:45,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-17 04:24:45,159 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 8.285714285714286) internal successors, (58), 7 states have internal predecessors, (58), 3 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 3 states have call successors, (8) Word has length 89 [2024-11-17 04:24:45,160 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:24:45,161 INFO L225 Difference]: With dead ends: 545 [2024-11-17 04:24:45,161 INFO L226 Difference]: Without dead ends: 541 [2024-11-17 04:24:45,161 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 87 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2024-11-17 04:24:45,162 INFO L432 NwaCegarLoop]: 97 mSDtfsCounter, 246 mSDsluCounter, 269 mSDsCounter, 0 mSdLazyCounter, 637 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 249 SdHoareTripleChecker+Valid, 366 SdHoareTripleChecker+Invalid, 656 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 637 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-17 04:24:45,162 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [249 Valid, 366 Invalid, 656 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 637 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-17 04:24:45,162 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 541 states. [2024-11-17 04:24:45,179 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 541 to 511. [2024-11-17 04:24:45,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 511 states, 422 states have (on average 1.3815165876777251) internal successors, (583), 464 states have internal predecessors, (583), 44 states have call successors, (44), 2 states have call predecessors, (44), 2 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) [2024-11-17 04:24:45,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 511 states to 511 states and 671 transitions. [2024-11-17 04:24:45,180 INFO L78 Accepts]: Start accepts. Automaton has 511 states and 671 transitions. Word has length 89 [2024-11-17 04:24:45,181 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:24:45,181 INFO L471 AbstractCegarLoop]: Abstraction has 511 states and 671 transitions. [2024-11-17 04:24:45,181 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 8.285714285714286) internal successors, (58), 7 states have internal predecessors, (58), 3 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 3 states have call successors, (8) [2024-11-17 04:24:45,181 INFO L276 IsEmpty]: Start isEmpty. Operand 511 states and 671 transitions. [2024-11-17 04:24:45,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2024-11-17 04:24:45,181 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:24:45,182 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:24:45,194 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Forceful destruction successful, exit code 0 [2024-11-17 04:24:45,382 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,25 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:24:45,383 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr43ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-17 04:24:45,384 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:24:45,384 INFO L85 PathProgramCache]: Analyzing trace with hash -337849590, now seen corresponding path program 1 times [2024-11-17 04:24:45,384 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:24:45,384 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1786187537] [2024-11-17 04:24:45,384 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:24:45,384 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:24:45,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:24:45,394 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [679405162] [2024-11-17 04:24:45,394 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:24:45,395 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:24:45,395 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:24:45,400 INFO L229 MonitoredProcess]: Starting monitored process 26 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 04:24:45,402 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process [2024-11-17 04:24:45,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:24:45,439 INFO L255 TraceCheckSpWp]: Trace formula consists of 167 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-17 04:24:45,440 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:24:45,653 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 3 proven. 26 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2024-11-17 04:24:45,653 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:24:45,770 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:24:45,770 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1786187537] [2024-11-17 04:24:45,770 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:24:45,770 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [679405162] [2024-11-17 04:24:45,770 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [679405162] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:24:45,770 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-17 04:24:45,770 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2024-11-17 04:24:45,770 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2107128182] [2024-11-17 04:24:45,771 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-17 04:24:45,771 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-17 04:24:45,771 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:24:45,771 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-17 04:24:45,771 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2024-11-17 04:24:45,771 INFO L87 Difference]: Start difference. First operand 511 states and 671 transitions. Second operand has 8 states, 7 states have (on average 8.428571428571429) internal successors, (59), 7 states have internal predecessors, (59), 5 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 4 states have call predecessors, (9), 5 states have call successors, (9) [2024-11-17 04:24:46,214 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:24:46,214 INFO L93 Difference]: Finished difference Result 812 states and 1109 transitions. [2024-11-17 04:24:46,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-17 04:24:46,214 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 8.428571428571429) internal successors, (59), 7 states have internal predecessors, (59), 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 95 [2024-11-17 04:24:46,214 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:24:46,216 INFO L225 Difference]: With dead ends: 812 [2024-11-17 04:24:46,216 INFO L226 Difference]: Without dead ends: 810 [2024-11-17 04:24:46,217 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 131 GetRequests, 123 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2024-11-17 04:24:46,217 INFO L432 NwaCegarLoop]: 64 mSDtfsCounter, 207 mSDsluCounter, 264 mSDsCounter, 0 mSdLazyCounter, 440 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 220 SdHoareTripleChecker+Valid, 328 SdHoareTripleChecker+Invalid, 442 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 440 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-17 04:24:46,217 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [220 Valid, 328 Invalid, 442 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 440 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-17 04:24:46,222 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 810 states. [2024-11-17 04:24:46,248 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 810 to 752. [2024-11-17 04:24:46,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 752 states, 637 states have (on average 1.4097331240188382) internal successors, (898), 679 states have internal predecessors, (898), 70 states have call successors, (70), 2 states have call predecessors, (70), 2 states have return successors, (70), 70 states have call predecessors, (70), 70 states have call successors, (70) [2024-11-17 04:24:46,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 752 states to 752 states and 1038 transitions. [2024-11-17 04:24:46,251 INFO L78 Accepts]: Start accepts. Automaton has 752 states and 1038 transitions. Word has length 95 [2024-11-17 04:24:46,251 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:24:46,251 INFO L471 AbstractCegarLoop]: Abstraction has 752 states and 1038 transitions. [2024-11-17 04:24:46,251 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 8.428571428571429) internal successors, (59), 7 states have internal predecessors, (59), 5 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 4 states have call predecessors, (9), 5 states have call successors, (9) [2024-11-17 04:24:46,251 INFO L276 IsEmpty]: Start isEmpty. Operand 752 states and 1038 transitions. [2024-11-17 04:24:46,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-11-17 04:24:46,252 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:24:46,252 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:24:46,264 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Ended with exit code 0 [2024-11-17 04:24:46,456 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,SelfDestructingSolverStorable30 [2024-11-17 04:24:46,456 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr42ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-17 04:24:46,457 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:24:46,457 INFO L85 PathProgramCache]: Analyzing trace with hash -1883402626, now seen corresponding path program 1 times [2024-11-17 04:24:46,457 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:24:46,457 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1112559250] [2024-11-17 04:24:46,457 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:24:46,457 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:24:46,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:24:46,465 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [723055236] [2024-11-17 04:24:46,465 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:24:46,465 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:24:46,465 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:24:46,467 INFO L229 MonitoredProcess]: Starting monitored process 27 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 04:24:46,468 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Waiting until timeout for monitored process [2024-11-17 04:24:46,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:24:46,507 INFO L255 TraceCheckSpWp]: Trace formula consists of 168 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-17 04:24:46,509 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:24:46,756 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 3 proven. 27 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2024-11-17 04:24:46,756 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:24:47,496 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:24:47,497 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1112559250] [2024-11-17 04:24:47,497 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:24:47,497 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [723055236] [2024-11-17 04:24:47,497 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [723055236] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:24:47,497 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-17 04:24:47,497 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2024-11-17 04:24:47,497 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2016535551] [2024-11-17 04:24:47,497 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-17 04:24:47,497 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-17 04:24:47,497 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:24:47,499 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-17 04:24:47,499 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2024-11-17 04:24:47,499 INFO L87 Difference]: Start difference. First operand 752 states and 1038 transitions. Second operand has 8 states, 7 states have (on average 8.571428571428571) internal successors, (60), 7 states have internal predecessors, (60), 5 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 4 states have call predecessors, (9), 5 states have call successors, (9) [2024-11-17 04:24:47,783 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:24:47,785 INFO L93 Difference]: Finished difference Result 757 states and 1041 transitions. [2024-11-17 04:24:47,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-17 04:24:47,786 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 8.571428571428571) internal successors, (60), 7 states have internal predecessors, (60), 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 96 [2024-11-17 04:24:47,786 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:24:47,788 INFO L225 Difference]: With dead ends: 757 [2024-11-17 04:24:47,788 INFO L226 Difference]: Without dead ends: 751 [2024-11-17 04:24:47,789 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 125 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2024-11-17 04:24:47,789 INFO L432 NwaCegarLoop]: 99 mSDtfsCounter, 131 mSDsluCounter, 284 mSDsCounter, 0 mSdLazyCounter, 499 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 134 SdHoareTripleChecker+Valid, 383 SdHoareTripleChecker+Invalid, 510 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 499 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-17 04:24:47,789 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [134 Valid, 383 Invalid, 510 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 499 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-17 04:24:47,790 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 751 states. [2024-11-17 04:24:47,817 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 751 to 611. [2024-11-17 04:24:47,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 611 states, 515 states have (on average 1.3223300970873786) internal successors, (681), 551 states have internal predecessors, (681), 57 states have call successors, (57), 2 states have call predecessors, (57), 2 states have return successors, (57), 57 states have call predecessors, (57), 57 states have call successors, (57) [2024-11-17 04:24:47,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 611 states to 611 states and 795 transitions. [2024-11-17 04:24:47,820 INFO L78 Accepts]: Start accepts. Automaton has 611 states and 795 transitions. Word has length 96 [2024-11-17 04:24:47,821 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:24:47,821 INFO L471 AbstractCegarLoop]: Abstraction has 611 states and 795 transitions. [2024-11-17 04:24:47,821 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 8.571428571428571) internal successors, (60), 7 states have internal predecessors, (60), 5 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 4 states have call predecessors, (9), 5 states have call successors, (9) [2024-11-17 04:24:47,821 INFO L276 IsEmpty]: Start isEmpty. Operand 611 states and 795 transitions. [2024-11-17 04:24:47,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-11-17 04:24:47,822 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:24:47,822 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:24:47,836 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Forceful destruction successful, exit code 0 [2024-11-17 04:24:48,022 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,SelfDestructingSolverStorable31 [2024-11-17 04:24:48,023 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-17 04:24:48,023 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:24:48,023 INFO L85 PathProgramCache]: Analyzing trace with hash -288500045, now seen corresponding path program 1 times [2024-11-17 04:24:48,023 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:24:48,023 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [156428393] [2024-11-17 04:24:48,023 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:24:48,024 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:24:48,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:24:48,097 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-17 04:24:48,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:24:48,100 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-17 04:24:48,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:24:48,103 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-17 04:24:48,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:24:48,104 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-17 04:24:48,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:24:48,106 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-17 04:24:48,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:24:48,107 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-17 04:24:48,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:24:48,108 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-17 04:24:48,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:24:48,124 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-17 04:24:48,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:24:48,127 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-11-17 04:24:48,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:24:48,130 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-17 04:24:48,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:24:48,139 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 6 proven. 9 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2024-11-17 04:24:48,139 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:24:48,140 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [156428393] [2024-11-17 04:24:48,140 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [156428393] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:24:48,140 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1475157495] [2024-11-17 04:24:48,140 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:24:48,140 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:24:48,140 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:24:48,143 INFO L229 MonitoredProcess]: Starting monitored process 28 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 04:24:48,145 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Waiting until timeout for monitored process [2024-11-17 04:24:48,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:24:48,183 INFO L255 TraceCheckSpWp]: Trace formula consists of 174 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-17 04:24:48,184 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:24:48,381 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-17 04:24:48,382 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 04:24:48,382 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1475157495] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:24:48,382 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-17 04:24:48,382 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2024-11-17 04:24:48,382 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1832777639] [2024-11-17 04:24:48,382 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:24:48,382 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-17 04:24:48,382 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:24:48,383 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-17 04:24:48,383 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-17 04:24:48,383 INFO L87 Difference]: Start difference. First operand 611 states and 795 transitions. Second operand has 3 states, 2 states have (on average 28.0) internal successors, (56), 3 states have internal predecessors, (56), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-11-17 04:24:48,660 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:24:48,661 INFO L93 Difference]: Finished difference Result 614 states and 798 transitions. [2024-11-17 04:24:48,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-17 04:24:48,661 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 28.0) internal successors, (56), 3 states have internal predecessors, (56), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 100 [2024-11-17 04:24:48,661 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:24:48,663 INFO L225 Difference]: With dead ends: 614 [2024-11-17 04:24:48,663 INFO L226 Difference]: Without dead ends: 613 [2024-11-17 04:24:48,663 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 118 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-17 04:24:48,663 INFO L432 NwaCegarLoop]: 73 mSDtfsCounter, 15 mSDsluCounter, 34 mSDsCounter, 0 mSdLazyCounter, 160 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 107 SdHoareTripleChecker+Invalid, 160 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 160 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-17 04:24:48,663 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 107 Invalid, 160 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 160 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-17 04:24:48,664 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 613 states. [2024-11-17 04:24:48,687 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 613 to 612. [2024-11-17 04:24:48,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 612 states, 516 states have (on average 1.321705426356589) internal successors, (682), 552 states have internal predecessors, (682), 57 states have call successors, (57), 2 states have call predecessors, (57), 2 states have return successors, (57), 57 states have call predecessors, (57), 57 states have call successors, (57) [2024-11-17 04:24:48,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 612 states to 612 states and 796 transitions. [2024-11-17 04:24:48,689 INFO L78 Accepts]: Start accepts. Automaton has 612 states and 796 transitions. Word has length 100 [2024-11-17 04:24:48,691 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:24:48,691 INFO L471 AbstractCegarLoop]: Abstraction has 612 states and 796 transitions. [2024-11-17 04:24:48,691 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 28.0) internal successors, (56), 3 states have internal predecessors, (56), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-11-17 04:24:48,692 INFO L276 IsEmpty]: Start isEmpty. Operand 612 states and 796 transitions. [2024-11-17 04:24:48,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-11-17 04:24:48,692 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:24:48,692 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:24:48,705 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Forceful destruction successful, exit code 0 [2024-11-17 04:24:48,893 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32,28 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:24:48,893 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr39ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-17 04:24:48,893 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:24:48,894 INFO L85 PathProgramCache]: Analyzing trace with hash 1005193222, now seen corresponding path program 1 times [2024-11-17 04:24:48,894 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:24:48,894 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1292033555] [2024-11-17 04:24:48,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:24:48,894 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:24:48,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:24:48,909 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1451799837] [2024-11-17 04:24:48,910 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:24:48,910 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:24:48,910 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:24:48,911 INFO L229 MonitoredProcess]: Starting monitored process 29 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 04:24:48,913 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Waiting until timeout for monitored process [2024-11-17 04:24:48,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:24:48,958 INFO L255 TraceCheckSpWp]: Trace formula consists of 171 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-11-17 04:24:48,966 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:24:49,435 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2024-11-17 04:24:49,435 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:24:49,590 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:24:49,591 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1292033555] [2024-11-17 04:24:49,591 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:24:49,591 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1451799837] [2024-11-17 04:24:49,591 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1451799837] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:24:49,591 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-17 04:24:49,591 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2024-11-17 04:24:49,591 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [412890831] [2024-11-17 04:24:49,591 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-17 04:24:49,591 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-17 04:24:49,591 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:24:49,592 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-17 04:24:49,592 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=169, Unknown=0, NotChecked=0, Total=210 [2024-11-17 04:24:49,592 INFO L87 Difference]: Start difference. First operand 612 states and 796 transitions. Second operand has 13 states, 12 states have (on average 5.5) internal successors, (66), 13 states have internal predecessors, (66), 5 states have call successors, (9), 1 states have call predecessors, (9), 3 states have return successors, (9), 3 states have call predecessors, (9), 5 states have call successors, (9) [2024-11-17 04:24:50,664 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:24:50,664 INFO L93 Difference]: Finished difference Result 808 states and 1072 transitions. [2024-11-17 04:24:50,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-17 04:24:50,665 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 5.5) internal successors, (66), 13 states have internal predecessors, (66), 5 states have call successors, (9), 1 states have call predecessors, (9), 3 states have return successors, (9), 3 states have call predecessors, (9), 5 states have call successors, (9) Word has length 99 [2024-11-17 04:24:50,665 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:24:50,667 INFO L225 Difference]: With dead ends: 808 [2024-11-17 04:24:50,667 INFO L226 Difference]: Without dead ends: 803 [2024-11-17 04:24:50,667 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 91 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 62 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=120, Invalid=386, Unknown=0, NotChecked=0, Total=506 [2024-11-17 04:24:50,667 INFO L432 NwaCegarLoop]: 36 mSDtfsCounter, 464 mSDsluCounter, 286 mSDsCounter, 0 mSdLazyCounter, 1767 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 482 SdHoareTripleChecker+Valid, 322 SdHoareTripleChecker+Invalid, 1808 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 1767 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-17 04:24:50,667 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [482 Valid, 322 Invalid, 1808 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 1767 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-17 04:24:50,668 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 803 states. [2024-11-17 04:24:50,697 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 803 to 622. [2024-11-17 04:24:50,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 622 states, 525 states have (on average 1.339047619047619) internal successors, (703), 561 states have internal predecessors, (703), 58 states have call successors, (58), 2 states have call predecessors, (58), 2 states have return successors, (58), 58 states have call predecessors, (58), 58 states have call successors, (58) [2024-11-17 04:24:50,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 622 states to 622 states and 819 transitions. [2024-11-17 04:24:50,699 INFO L78 Accepts]: Start accepts. Automaton has 622 states and 819 transitions. Word has length 99 [2024-11-17 04:24:50,699 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:24:50,699 INFO L471 AbstractCegarLoop]: Abstraction has 622 states and 819 transitions. [2024-11-17 04:24:50,699 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 5.5) internal successors, (66), 13 states have internal predecessors, (66), 5 states have call successors, (9), 1 states have call predecessors, (9), 3 states have return successors, (9), 3 states have call predecessors, (9), 5 states have call successors, (9) [2024-11-17 04:24:50,700 INFO L276 IsEmpty]: Start isEmpty. Operand 622 states and 819 transitions. [2024-11-17 04:24:50,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2024-11-17 04:24:50,700 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:24:50,700 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:24:50,713 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Ended with exit code 0 [2024-11-17 04:24:50,904 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33,29 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:24:50,904 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-17 04:24:50,905 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:24:50,905 INFO L85 PathProgramCache]: Analyzing trace with hash -353566829, now seen corresponding path program 1 times [2024-11-17 04:24:50,905 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:24:50,905 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [36671282] [2024-11-17 04:24:50,905 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:24:50,905 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:24:50,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:24:51,023 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-17 04:24:51,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:24:51,040 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-17 04:24:51,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:24:51,043 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-17 04:24:51,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:24:51,046 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-17 04:24:51,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:24:51,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-17 04:24:51,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:24:51,050 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-17 04:24:51,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:24:51,053 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-17 04:24:51,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:24:51,056 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-17 04:24:51,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:24:51,058 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-11-17 04:24:51,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:24:51,061 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-17 04:24:51,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:24:51,064 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2024-11-17 04:24:51,064 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:24:51,064 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [36671282] [2024-11-17 04:24:51,064 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [36671282] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:24:51,064 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [579761010] [2024-11-17 04:24:51,064 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:24:51,065 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:24:51,065 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:24:51,067 INFO L229 MonitoredProcess]: Starting monitored process 30 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 04:24:51,069 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Waiting until timeout for monitored process [2024-11-17 04:24:51,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:24:51,113 INFO L255 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-17 04:24:51,115 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:24:51,362 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-17 04:24:51,363 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 04:24:51,363 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [579761010] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:24:51,363 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-17 04:24:51,363 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [7] total 8 [2024-11-17 04:24:51,363 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2145770063] [2024-11-17 04:24:51,363 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:24:51,363 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-17 04:24:51,364 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:24:51,364 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-17 04:24:51,364 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-11-17 04:24:51,364 INFO L87 Difference]: Start difference. First operand 622 states and 819 transitions. Second operand has 3 states, 2 states have (on average 28.5) internal successors, (57), 3 states have internal predecessors, (57), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-11-17 04:24:51,675 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:24:51,676 INFO L93 Difference]: Finished difference Result 625 states and 821 transitions. [2024-11-17 04:24:51,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-17 04:24:51,676 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 28.5) internal successors, (57), 3 states have internal predecessors, (57), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 101 [2024-11-17 04:24:51,676 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:24:51,678 INFO L225 Difference]: With dead ends: 625 [2024-11-17 04:24:51,678 INFO L226 Difference]: Without dead ends: 595 [2024-11-17 04:24:51,678 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 126 GetRequests, 119 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-11-17 04:24:51,679 INFO L432 NwaCegarLoop]: 75 mSDtfsCounter, 14 mSDsluCounter, 34 mSDsCounter, 0 mSdLazyCounter, 160 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 109 SdHoareTripleChecker+Invalid, 160 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 160 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-17 04:24:51,679 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 109 Invalid, 160 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 160 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-17 04:24:51,679 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 595 states. [2024-11-17 04:24:51,702 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 595 to 595. [2024-11-17 04:24:51,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 595 states, 501 states have (on average 1.3512974051896207) internal successors, (677), 537 states have internal predecessors, (677), 55 states have call successors, (55), 2 states have call predecessors, (55), 2 states have return successors, (55), 55 states have call predecessors, (55), 55 states have call successors, (55) [2024-11-17 04:24:51,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 595 states to 595 states and 787 transitions. [2024-11-17 04:24:51,704 INFO L78 Accepts]: Start accepts. Automaton has 595 states and 787 transitions. Word has length 101 [2024-11-17 04:24:51,704 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:24:51,704 INFO L471 AbstractCegarLoop]: Abstraction has 595 states and 787 transitions. [2024-11-17 04:24:51,704 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 28.5) internal successors, (57), 3 states have internal predecessors, (57), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-11-17 04:24:51,704 INFO L276 IsEmpty]: Start isEmpty. Operand 595 states and 787 transitions. [2024-11-17 04:24:51,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-11-17 04:24:51,705 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:24:51,705 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2024-11-17 04:24:51,717 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Forceful destruction successful, exit code 0 [2024-11-17 04:24:51,905 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34,30 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:24:51,905 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-17 04:24:51,906 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:24:51,906 INFO L85 PathProgramCache]: Analyzing trace with hash 1096218874, now seen corresponding path program 1 times [2024-11-17 04:24:51,906 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:24:51,906 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1439822602] [2024-11-17 04:24:51,906 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:24:51,906 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:24:51,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:24:51,917 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1728854186] [2024-11-17 04:24:51,918 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:24:51,920 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:24:51,920 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:24:51,921 INFO L229 MonitoredProcess]: Starting monitored process 31 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 04:24:51,923 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Waiting until timeout for monitored process [2024-11-17 04:24:51,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:24:51,961 INFO L255 TraceCheckSpWp]: Trace formula consists of 172 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-17 04:24:51,962 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:24:52,167 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 6 proven. 25 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-11-17 04:24:52,167 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:24:52,578 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:24:52,579 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1439822602] [2024-11-17 04:24:52,579 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:24:52,579 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1728854186] [2024-11-17 04:24:52,579 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1728854186] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:24:52,579 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-17 04:24:52,579 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2024-11-17 04:24:52,579 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2050996823] [2024-11-17 04:24:52,579 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-17 04:24:52,579 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-17 04:24:52,579 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:24:52,580 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-17 04:24:52,580 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2024-11-17 04:24:52,580 INFO L87 Difference]: Start difference. First operand 595 states and 787 transitions. Second operand has 8 states, 7 states have (on average 9.142857142857142) internal successors, (64), 7 states have internal predecessors, (64), 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) [2024-11-17 04:24:53,675 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:24:53,676 INFO L93 Difference]: Finished difference Result 606 states and 798 transitions. [2024-11-17 04:24:53,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-17 04:24:53,676 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 9.142857142857142) internal successors, (64), 7 states have internal predecessors, (64), 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 100 [2024-11-17 04:24:53,676 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:24:53,678 INFO L225 Difference]: With dead ends: 606 [2024-11-17 04:24:53,678 INFO L226 Difference]: Without dead ends: 602 [2024-11-17 04:24:53,678 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 98 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2024-11-17 04:24:53,678 INFO L432 NwaCegarLoop]: 84 mSDtfsCounter, 148 mSDsluCounter, 265 mSDsCounter, 0 mSdLazyCounter, 600 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 149 SdHoareTripleChecker+Valid, 349 SdHoareTripleChecker+Invalid, 614 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 600 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-17 04:24:53,678 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [149 Valid, 349 Invalid, 614 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 600 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-17 04:24:53,679 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 602 states. [2024-11-17 04:24:53,701 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 602 to 599. [2024-11-17 04:24:53,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 599 states, 507 states have (on average 1.3214990138067062) internal successors, (670), 540 states have internal predecessors, (670), 56 states have call successors, (56), 2 states have call predecessors, (56), 2 states have return successors, (56), 56 states have call predecessors, (56), 56 states have call successors, (56) [2024-11-17 04:24:53,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 599 states to 599 states and 782 transitions. [2024-11-17 04:24:53,702 INFO L78 Accepts]: Start accepts. Automaton has 599 states and 782 transitions. Word has length 100 [2024-11-17 04:24:53,703 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:24:53,703 INFO L471 AbstractCegarLoop]: Abstraction has 599 states and 782 transitions. [2024-11-17 04:24:53,703 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 9.142857142857142) internal successors, (64), 7 states have internal predecessors, (64), 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) [2024-11-17 04:24:53,703 INFO L276 IsEmpty]: Start isEmpty. Operand 599 states and 782 transitions. [2024-11-17 04:24:53,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2024-11-17 04:24:53,703 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:24:53,703 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2024-11-17 04:24:53,717 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Forceful destruction successful, exit code 0 [2024-11-17 04:24:53,904 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 31 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable35 [2024-11-17 04:24:53,904 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-17 04:24:53,904 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:24:53,904 INFO L85 PathProgramCache]: Analyzing trace with hash -1031414978, now seen corresponding path program 1 times [2024-11-17 04:24:53,904 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:24:53,904 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1370734658] [2024-11-17 04:24:53,904 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:24:53,904 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:24:53,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:24:53,971 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-17 04:24:53,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:24:53,973 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-17 04:24:53,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:24:53,975 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-17 04:24:53,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:24:53,976 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-17 04:24:53,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:24:53,978 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-17 04:24:53,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:24:53,980 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-17 04:24:53,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:24:53,983 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-17 04:24:53,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:24:53,985 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-17 04:24:53,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:24:53,987 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-17 04:24:53,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:24:53,989 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-17 04:24:53,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:24:53,992 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-17 04:24:53,992 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:24:53,992 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1370734658] [2024-11-17 04:24:53,992 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1370734658] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:24:53,992 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [126305297] [2024-11-17 04:24:53,992 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:24:53,992 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:24:53,993 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:24:53,994 INFO L229 MonitoredProcess]: Starting monitored process 32 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 04:24:53,998 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Waiting until timeout for monitored process [2024-11-17 04:24:54,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:24:54,046 INFO L255 TraceCheckSpWp]: Trace formula consists of 185 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-17 04:24:54,047 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:24:54,184 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-17 04:24:54,184 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:24:54,313 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-17 04:24:54,313 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [126305297] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 04:24:54,313 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 04:24:54,313 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 13 [2024-11-17 04:24:54,313 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [218610515] [2024-11-17 04:24:54,313 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 04:24:54,314 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-17 04:24:54,314 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:24:54,314 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-17 04:24:54,314 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=142, Unknown=0, NotChecked=0, Total=182 [2024-11-17 04:24:54,314 INFO L87 Difference]: Start difference. First operand 599 states and 782 transitions. Second operand has 14 states, 13 states have (on average 13.923076923076923) internal successors, (181), 14 states have internal predecessors, (181), 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) [2024-11-17 04:24:55,191 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:24:55,191 INFO L93 Difference]: Finished difference Result 1007 states and 1300 transitions. [2024-11-17 04:24:55,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2024-11-17 04:24:55,191 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 13.923076923076923) internal successors, (181), 14 states have internal predecessors, (181), 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 109 [2024-11-17 04:24:55,191 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:24:55,194 INFO L225 Difference]: With dead ends: 1007 [2024-11-17 04:24:55,194 INFO L226 Difference]: Without dead ends: 1006 [2024-11-17 04:24:55,195 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 274 GetRequests, 229 SyntacticMatches, 0 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 610 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=582, Invalid=1580, Unknown=0, NotChecked=0, Total=2162 [2024-11-17 04:24:55,195 INFO L432 NwaCegarLoop]: 132 mSDtfsCounter, 1289 mSDsluCounter, 498 mSDsCounter, 0 mSdLazyCounter, 517 mSolverCounterSat, 95 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1289 SdHoareTripleChecker+Valid, 630 SdHoareTripleChecker+Invalid, 612 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 95 IncrementalHoareTripleChecker+Valid, 517 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-17 04:24:55,195 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1289 Valid, 630 Invalid, 612 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [95 Valid, 517 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-17 04:24:55,196 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1006 states. [2024-11-17 04:24:55,229 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1006 to 791. [2024-11-17 04:24:55,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 791 states, 681 states have (on average 1.3465491923641704) internal successors, (917), 714 states have internal predecessors, (917), 74 states have call successors, (74), 2 states have call predecessors, (74), 2 states have return successors, (74), 74 states have call predecessors, (74), 74 states have call successors, (74) [2024-11-17 04:24:55,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 791 states to 791 states and 1065 transitions. [2024-11-17 04:24:55,232 INFO L78 Accepts]: Start accepts. Automaton has 791 states and 1065 transitions. Word has length 109 [2024-11-17 04:24:55,232 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:24:55,232 INFO L471 AbstractCegarLoop]: Abstraction has 791 states and 1065 transitions. [2024-11-17 04:24:55,232 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 13.923076923076923) internal successors, (181), 14 states have internal predecessors, (181), 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) [2024-11-17 04:24:55,232 INFO L276 IsEmpty]: Start isEmpty. Operand 791 states and 1065 transitions. [2024-11-17 04:24:55,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2024-11-17 04:24:55,233 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:24:55,233 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2024-11-17 04:24:55,245 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Forceful destruction successful, exit code 0 [2024-11-17 04:24:55,433 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 32 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable36 [2024-11-17 04:24:55,433 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-17 04:24:55,434 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:24:55,434 INFO L85 PathProgramCache]: Analyzing trace with hash -1773845457, now seen corresponding path program 1 times [2024-11-17 04:24:55,434 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:24:55,434 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [668750406] [2024-11-17 04:24:55,434 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:24:55,434 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:24:55,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:24:55,488 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-17 04:24:55,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:24:55,490 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-17 04:24:55,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:24:55,493 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-17 04:24:55,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:24:55,495 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-17 04:24:55,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:24:55,496 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-17 04:24:55,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:24:55,500 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-17 04:24:55,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:24:55,502 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-17 04:24:55,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:24:55,504 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-17 04:24:55,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:24:55,505 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-17 04:24:55,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:24:55,510 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-17 04:24:55,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:24:55,513 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-17 04:24:55,515 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:24:55,516 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [668750406] [2024-11-17 04:24:55,516 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [668750406] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:24:55,516 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1562017505] [2024-11-17 04:24:55,516 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:24:55,516 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:24:55,516 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:24:55,521 INFO L229 MonitoredProcess]: Starting monitored process 33 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 04:24:55,523 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Waiting until timeout for monitored process [2024-11-17 04:24:55,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:24:55,561 INFO L255 TraceCheckSpWp]: Trace formula consists of 185 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-17 04:24:55,562 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:24:55,725 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-17 04:24:55,726 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:24:55,880 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-17 04:24:55,880 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1562017505] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 04:24:55,880 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 04:24:55,880 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 6, 6] total 15 [2024-11-17 04:24:55,880 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [479320176] [2024-11-17 04:24:55,880 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 04:24:55,881 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-17 04:24:55,881 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:24:55,881 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-17 04:24:55,881 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=186, Unknown=0, NotChecked=0, Total=240 [2024-11-17 04:24:55,881 INFO L87 Difference]: Start difference. First operand 791 states and 1065 transitions. Second operand has 16 states, 15 states have (on average 12.0) internal successors, (180), 16 states have internal predecessors, (180), 10 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 10 states have call predecessors, (29), 10 states have call successors, (29) [2024-11-17 04:24:56,841 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:24:56,842 INFO L93 Difference]: Finished difference Result 1225 states and 1608 transitions. [2024-11-17 04:24:56,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2024-11-17 04:24:56,842 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 12.0) internal successors, (180), 16 states have internal predecessors, (180), 10 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 10 states have call predecessors, (29), 10 states have call successors, (29) Word has length 109 [2024-11-17 04:24:56,842 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:24:56,845 INFO L225 Difference]: With dead ends: 1225 [2024-11-17 04:24:56,845 INFO L226 Difference]: Without dead ends: 1224 [2024-11-17 04:24:56,846 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 278 GetRequests, 227 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 791 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=731, Invalid=2025, Unknown=0, NotChecked=0, Total=2756 [2024-11-17 04:24:56,846 INFO L432 NwaCegarLoop]: 119 mSDtfsCounter, 1180 mSDsluCounter, 455 mSDsCounter, 0 mSdLazyCounter, 514 mSolverCounterSat, 98 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1180 SdHoareTripleChecker+Valid, 574 SdHoareTripleChecker+Invalid, 612 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 98 IncrementalHoareTripleChecker+Valid, 514 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-17 04:24:56,846 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1180 Valid, 574 Invalid, 612 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [98 Valid, 514 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-17 04:24:56,847 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1224 states. [2024-11-17 04:24:56,907 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1224 to 1035. [2024-11-17 04:24:56,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1035 states, 903 states have (on average 1.3676633444075303) internal successors, (1235), 936 states have internal predecessors, (1235), 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) [2024-11-17 04:24:56,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1035 states to 1035 states and 1427 transitions. [2024-11-17 04:24:56,910 INFO L78 Accepts]: Start accepts. Automaton has 1035 states and 1427 transitions. Word has length 109 [2024-11-17 04:24:56,911 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:24:56,912 INFO L471 AbstractCegarLoop]: Abstraction has 1035 states and 1427 transitions. [2024-11-17 04:24:56,912 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 12.0) internal successors, (180), 16 states have internal predecessors, (180), 10 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 10 states have call predecessors, (29), 10 states have call successors, (29) [2024-11-17 04:24:56,912 INFO L276 IsEmpty]: Start isEmpty. Operand 1035 states and 1427 transitions. [2024-11-17 04:24:56,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2024-11-17 04:24:56,913 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:24:56,913 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:24:56,930 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Forceful destruction successful, exit code 0 [2024-11-17 04:24:57,113 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 33 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable37 [2024-11-17 04:24:57,114 INFO L396 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-17 04:24:57,114 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:24:57,114 INFO L85 PathProgramCache]: Analyzing trace with hash -1773844016, now seen corresponding path program 1 times [2024-11-17 04:24:57,114 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:24:57,114 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [611473616] [2024-11-17 04:24:57,114 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:24:57,114 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:24:57,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:24:57,180 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-17 04:24:57,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:24:57,182 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-17 04:24:57,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:24:57,184 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-17 04:24:57,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:24:57,187 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-17 04:24:57,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:24:57,188 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-17 04:24:57,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:24:57,190 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-17 04:24:57,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:24:57,191 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-17 04:24:57,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:24:57,193 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-17 04:24:57,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:24:57,195 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-17 04:24:57,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:24:57,199 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-17 04:24:57,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:24:57,202 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-17 04:24:57,202 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:24:57,202 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [611473616] [2024-11-17 04:24:57,202 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [611473616] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:24:57,202 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [454116870] [2024-11-17 04:24:57,202 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:24:57,202 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:24:57,202 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:24:57,204 INFO L229 MonitoredProcess]: Starting monitored process 34 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 04:24:57,212 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Waiting until timeout for monitored process [2024-11-17 04:24:57,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:24:57,257 INFO L255 TraceCheckSpWp]: Trace formula consists of 185 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-17 04:24:57,259 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:24:57,425 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-17 04:24:57,426 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:24:57,546 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-17 04:24:57,547 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [454116870] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 04:24:57,547 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 04:24:57,547 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 12 [2024-11-17 04:24:57,547 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [81156936] [2024-11-17 04:24:57,547 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 04:24:57,547 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-17 04:24:57,547 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:24:57,548 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-17 04:24:57,548 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2024-11-17 04:24:57,548 INFO L87 Difference]: Start difference. First operand 1035 states and 1427 transitions. Second operand has 13 states, 12 states have (on average 15.0) internal successors, (180), 13 states have internal predecessors, (180), 11 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 11 states have call predecessors, (29), 11 states have call successors, (29) [2024-11-17 04:24:58,191 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:24:58,191 INFO L93 Difference]: Finished difference Result 1284 states and 1702 transitions. [2024-11-17 04:24:58,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-17 04:24:58,191 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 15.0) internal successors, (180), 13 states have internal predecessors, (180), 11 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 11 states have call predecessors, (29), 11 states have call successors, (29) Word has length 109 [2024-11-17 04:24:58,192 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:24:58,195 INFO L225 Difference]: With dead ends: 1284 [2024-11-17 04:24:58,195 INFO L226 Difference]: Without dead ends: 1283 [2024-11-17 04:24:58,196 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 252 GetRequests, 230 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 109 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=176, Invalid=376, Unknown=0, NotChecked=0, Total=552 [2024-11-17 04:24:58,196 INFO L432 NwaCegarLoop]: 104 mSDtfsCounter, 750 mSDsluCounter, 443 mSDsCounter, 0 mSdLazyCounter, 414 mSolverCounterSat, 70 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 753 SdHoareTripleChecker+Valid, 547 SdHoareTripleChecker+Invalid, 484 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 70 IncrementalHoareTripleChecker+Valid, 414 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-17 04:24:58,196 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [753 Valid, 547 Invalid, 484 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [70 Valid, 414 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-17 04:24:58,197 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1283 states. [2024-11-17 04:24:58,246 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1283 to 1105. [2024-11-17 04:24:58,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1105 states, 967 states have (on average 1.3516028955532575) internal successors, (1307), 1000 states have internal predecessors, (1307), 102 states have call successors, (102), 2 states have call predecessors, (102), 2 states have return successors, (102), 102 states have call predecessors, (102), 102 states have call successors, (102) [2024-11-17 04:24:58,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1105 states to 1105 states and 1511 transitions. [2024-11-17 04:24:58,249 INFO L78 Accepts]: Start accepts. Automaton has 1105 states and 1511 transitions. Word has length 109 [2024-11-17 04:24:58,249 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:24:58,249 INFO L471 AbstractCegarLoop]: Abstraction has 1105 states and 1511 transitions. [2024-11-17 04:24:58,250 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 15.0) internal successors, (180), 13 states have internal predecessors, (180), 11 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 11 states have call predecessors, (29), 11 states have call successors, (29) [2024-11-17 04:24:58,250 INFO L276 IsEmpty]: Start isEmpty. Operand 1105 states and 1511 transitions. [2024-11-17 04:24:58,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2024-11-17 04:24:58,250 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:24:58,250 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:24:58,263 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Forceful destruction successful, exit code 0 [2024-11-17 04:24:58,451 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 34 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable38 [2024-11-17 04:24:58,452 INFO L396 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-17 04:24:58,452 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:24:58,452 INFO L85 PathProgramCache]: Analyzing trace with hash 437918862, now seen corresponding path program 1 times [2024-11-17 04:24:58,452 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:24:58,452 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1500075491] [2024-11-17 04:24:58,452 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:24:58,453 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:24:58,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:24:58,500 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-17 04:24:58,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:24:58,501 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-17 04:24:58,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:24:58,504 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-17 04:24:58,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:24:58,505 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-17 04:24:58,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:24:58,506 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-17 04:24:58,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:24:58,508 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-17 04:24:58,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:24:58,510 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-17 04:24:58,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:24:58,512 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-17 04:24:58,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:24:58,515 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-17 04:24:58,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:24:58,518 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-17 04:24:58,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:24:58,521 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-17 04:24:58,521 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:24:58,521 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1500075491] [2024-11-17 04:24:58,521 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1500075491] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:24:58,521 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1226958587] [2024-11-17 04:24:58,522 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:24:58,522 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:24:58,522 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:24:58,523 INFO L229 MonitoredProcess]: Starting monitored process 35 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 04:24:58,524 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Waiting until timeout for monitored process [2024-11-17 04:24:58,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:24:58,566 INFO L255 TraceCheckSpWp]: Trace formula consists of 188 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-17 04:24:58,567 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:24:58,691 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-17 04:24:58,692 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:24:58,780 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-17 04:24:58,780 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1226958587] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 04:24:58,780 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 04:24:58,780 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 7 [2024-11-17 04:24:58,780 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1841603571] [2024-11-17 04:24:58,780 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 04:24:58,781 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-17 04:24:58,781 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:24:58,781 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-17 04:24:58,781 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=31, Unknown=0, NotChecked=0, Total=56 [2024-11-17 04:24:58,781 INFO L87 Difference]: Start difference. First operand 1105 states and 1511 transitions. Second operand has 8 states, 7 states have (on average 26.142857142857142) internal successors, (183), 8 states have internal predecessors, (183), 7 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 7 states have call predecessors, (22), 7 states have call successors, (22) [2024-11-17 04:24:59,253 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:24:59,254 INFO L93 Difference]: Finished difference Result 1609 states and 2205 transitions. [2024-11-17 04:24:59,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-17 04:24:59,254 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 26.142857142857142) internal successors, (183), 8 states have internal predecessors, (183), 7 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 7 states have call predecessors, (22), 7 states have call successors, (22) Word has length 111 [2024-11-17 04:24:59,254 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:24:59,258 INFO L225 Difference]: With dead ends: 1609 [2024-11-17 04:24:59,258 INFO L226 Difference]: Without dead ends: 1607 [2024-11-17 04:24:59,259 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 244 GetRequests, 237 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=39, Unknown=0, NotChecked=0, Total=72 [2024-11-17 04:24:59,259 INFO L432 NwaCegarLoop]: 70 mSDtfsCounter, 255 mSDsluCounter, 245 mSDsCounter, 0 mSdLazyCounter, 386 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 262 SdHoareTripleChecker+Valid, 315 SdHoareTripleChecker+Invalid, 406 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 386 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-17 04:24:59,260 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [262 Valid, 315 Invalid, 406 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 386 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-17 04:24:59,260 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1607 states. [2024-11-17 04:24:59,324 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1607 to 1327. [2024-11-17 04:24:59,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1327 states, 1171 states have (on average 1.3535439795046968) internal successors, (1585), 1204 states have internal predecessors, (1585), 120 states have call successors, (120), 2 states have call predecessors, (120), 2 states have return successors, (120), 120 states have call predecessors, (120), 120 states have call successors, (120) [2024-11-17 04:24:59,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1327 states to 1327 states and 1825 transitions. [2024-11-17 04:24:59,327 INFO L78 Accepts]: Start accepts. Automaton has 1327 states and 1825 transitions. Word has length 111 [2024-11-17 04:24:59,327 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:24:59,327 INFO L471 AbstractCegarLoop]: Abstraction has 1327 states and 1825 transitions. [2024-11-17 04:24:59,327 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 26.142857142857142) internal successors, (183), 8 states have internal predecessors, (183), 7 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 7 states have call predecessors, (22), 7 states have call successors, (22) [2024-11-17 04:24:59,328 INFO L276 IsEmpty]: Start isEmpty. Operand 1327 states and 1825 transitions. [2024-11-17 04:24:59,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2024-11-17 04:24:59,328 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:24:59,328 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2024-11-17 04:24:59,340 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Ended with exit code 0 [2024-11-17 04:24:59,529 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 35 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable39 [2024-11-17 04:24:59,529 INFO L396 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-17 04:24:59,529 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:24:59,529 INFO L85 PathProgramCache]: Analyzing trace with hash -1896410490, now seen corresponding path program 1 times [2024-11-17 04:24:59,529 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:24:59,530 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1192511382] [2024-11-17 04:24:59,530 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:24:59,530 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:24:59,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:24:59,584 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-17 04:24:59,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:24:59,586 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-17 04:24:59,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:24:59,588 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-17 04:24:59,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:24:59,588 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-17 04:24:59,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:24:59,589 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-17 04:24:59,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:24:59,591 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-17 04:24:59,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:24:59,593 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-17 04:24:59,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:24:59,596 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-17 04:24:59,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:24:59,599 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-17 04:24:59,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:24:59,601 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-17 04:24:59,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:24:59,604 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-17 04:24:59,604 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:24:59,604 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1192511382] [2024-11-17 04:24:59,604 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1192511382] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:24:59,604 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [220965183] [2024-11-17 04:24:59,604 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:24:59,605 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:24:59,605 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:24:59,606 INFO L229 MonitoredProcess]: Starting monitored process 36 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 04:24:59,609 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Waiting until timeout for monitored process [2024-11-17 04:24:59,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:24:59,654 INFO L255 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-17 04:24:59,655 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:24:59,830 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-17 04:24:59,830 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:24:59,941 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-17 04:24:59,942 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [220965183] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 04:24:59,942 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 04:24:59,942 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 7 [2024-11-17 04:24:59,942 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1275078448] [2024-11-17 04:24:59,942 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 04:24:59,943 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-17 04:24:59,943 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:24:59,943 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-17 04:24:59,943 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=31, Unknown=0, NotChecked=0, Total=56 [2024-11-17 04:24:59,943 INFO L87 Difference]: Start difference. First operand 1327 states and 1825 transitions. Second operand has 8 states, 7 states have (on average 27.428571428571427) internal successors, (192), 8 states have internal predecessors, (192), 7 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 7 states have call predecessors, (22), 7 states have call successors, (22) [2024-11-17 04:25:00,649 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:25:00,650 INFO L93 Difference]: Finished difference Result 1926 states and 2650 transitions. [2024-11-17 04:25:00,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-17 04:25:00,650 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 27.428571428571427) internal successors, (192), 8 states have internal predecessors, (192), 7 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 7 states have call predecessors, (22), 7 states have call successors, (22) Word has length 114 [2024-11-17 04:25:00,650 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:25:00,655 INFO L225 Difference]: With dead ends: 1926 [2024-11-17 04:25:00,655 INFO L226 Difference]: Without dead ends: 1924 [2024-11-17 04:25:00,656 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 250 GetRequests, 243 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=39, Unknown=0, NotChecked=0, Total=72 [2024-11-17 04:25:00,656 INFO L432 NwaCegarLoop]: 76 mSDtfsCounter, 275 mSDsluCounter, 290 mSDsCounter, 0 mSdLazyCounter, 481 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 284 SdHoareTripleChecker+Valid, 366 SdHoareTripleChecker+Invalid, 500 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 481 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-17 04:25:00,656 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [284 Valid, 366 Invalid, 500 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 481 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-17 04:25:00,657 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1924 states. [2024-11-17 04:25:00,738 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1924 to 1634. [2024-11-17 04:25:00,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1634 states, 1454 states have (on average 1.342503438789546) internal successors, (1952), 1487 states have internal predecessors, (1952), 144 states have call successors, (144), 2 states have call predecessors, (144), 2 states have return successors, (144), 144 states have call predecessors, (144), 144 states have call successors, (144) [2024-11-17 04:25:00,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1634 states to 1634 states and 2240 transitions. [2024-11-17 04:25:00,743 INFO L78 Accepts]: Start accepts. Automaton has 1634 states and 2240 transitions. Word has length 114 [2024-11-17 04:25:00,743 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:25:00,744 INFO L471 AbstractCegarLoop]: Abstraction has 1634 states and 2240 transitions. [2024-11-17 04:25:00,744 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 27.428571428571427) internal successors, (192), 8 states have internal predecessors, (192), 7 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 7 states have call predecessors, (22), 7 states have call successors, (22) [2024-11-17 04:25:00,744 INFO L276 IsEmpty]: Start isEmpty. Operand 1634 states and 2240 transitions. [2024-11-17 04:25:00,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2024-11-17 04:25:00,744 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:25:00,745 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2024-11-17 04:25:00,761 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Ended with exit code 0 [2024-11-17 04:25:00,945 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40,36 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:25:00,945 INFO L396 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-17 04:25:00,945 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:25:00,946 INFO L85 PathProgramCache]: Analyzing trace with hash -1009447841, now seen corresponding path program 1 times [2024-11-17 04:25:00,946 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:25:00,946 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [391414684] [2024-11-17 04:25:00,946 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:25:00,946 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:25:00,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:25:01,057 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-17 04:25:01,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:25:01,059 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-17 04:25:01,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:25:01,060 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-17 04:25:01,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:25:01,061 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-17 04:25:01,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:25:01,062 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-17 04:25:01,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:25:01,063 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-17 04:25:01,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:25:01,064 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-17 04:25:01,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:25:01,066 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-17 04:25:01,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:25:01,067 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-17 04:25:01,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:25:01,083 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-17 04:25:01,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:25:01,085 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-17 04:25:01,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:25:01,087 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 20 proven. 6 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2024-11-17 04:25:01,087 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:25:01,087 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [391414684] [2024-11-17 04:25:01,087 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [391414684] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:25:01,087 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1723462750] [2024-11-17 04:25:01,087 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:25:01,087 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:25:01,087 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:25:01,089 INFO L229 MonitoredProcess]: Starting monitored process 37 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 04:25:01,090 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Waiting until timeout for monitored process [2024-11-17 04:25:01,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:25:01,132 INFO L255 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-17 04:25:01,133 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:25:01,171 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 20 proven. 6 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2024-11-17 04:25:01,171 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:25:01,259 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 20 proven. 6 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2024-11-17 04:25:01,259 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1723462750] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 04:25:01,259 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 04:25:01,259 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 9 [2024-11-17 04:25:01,259 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1030143180] [2024-11-17 04:25:01,260 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 04:25:01,260 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-17 04:25:01,260 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:25:01,260 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-17 04:25:01,260 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2024-11-17 04:25:01,261 INFO L87 Difference]: Start difference. First operand 1634 states and 2240 transitions. Second operand has 10 states, 9 states have (on average 9.0) internal successors, (81), 10 states have internal predecessors, (81), 6 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (14), 5 states have call predecessors, (14), 6 states have call successors, (14) [2024-11-17 04:25:02,084 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:25:02,084 INFO L93 Difference]: Finished difference Result 1636 states and 2242 transitions. [2024-11-17 04:25:02,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-17 04:25:02,085 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 9.0) internal successors, (81), 10 states have internal predecessors, (81), 6 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (14), 5 states have call predecessors, (14), 6 states have call successors, (14) Word has length 120 [2024-11-17 04:25:02,085 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:25:02,089 INFO L225 Difference]: With dead ends: 1636 [2024-11-17 04:25:02,089 INFO L226 Difference]: Without dead ends: 1635 [2024-11-17 04:25:02,089 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 267 GetRequests, 257 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2024-11-17 04:25:02,090 INFO L432 NwaCegarLoop]: 38 mSDtfsCounter, 124 mSDsluCounter, 97 mSDsCounter, 0 mSdLazyCounter, 442 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 128 SdHoareTripleChecker+Valid, 135 SdHoareTripleChecker+Invalid, 455 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 442 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-17 04:25:02,090 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [128 Valid, 135 Invalid, 455 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 442 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-17 04:25:02,091 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1635 states. [2024-11-17 04:25:02,175 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1635 to 1633. [2024-11-17 04:25:02,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1633 states, 1454 states have (on average 1.3397524071526823) internal successors, (1948), 1486 states have internal predecessors, (1948), 144 states have call successors, (144), 2 states have call predecessors, (144), 2 states have return successors, (144), 144 states have call predecessors, (144), 144 states have call successors, (144) [2024-11-17 04:25:02,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1633 states to 1633 states and 2236 transitions. [2024-11-17 04:25:02,178 INFO L78 Accepts]: Start accepts. Automaton has 1633 states and 2236 transitions. Word has length 120 [2024-11-17 04:25:02,178 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:25:02,178 INFO L471 AbstractCegarLoop]: Abstraction has 1633 states and 2236 transitions. [2024-11-17 04:25:02,178 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 9.0) internal successors, (81), 10 states have internal predecessors, (81), 6 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (14), 5 states have call predecessors, (14), 6 states have call successors, (14) [2024-11-17 04:25:02,179 INFO L276 IsEmpty]: Start isEmpty. Operand 1633 states and 2236 transitions. [2024-11-17 04:25:02,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2024-11-17 04:25:02,179 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:25:02,179 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 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] [2024-11-17 04:25:02,191 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Ended with exit code 0 [2024-11-17 04:25:02,383 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41,37 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:25:02,384 INFO L396 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr55ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-17 04:25:02,384 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:25:02,384 INFO L85 PathProgramCache]: Analyzing trace with hash 919036914, now seen corresponding path program 1 times [2024-11-17 04:25:02,384 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:25:02,384 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [558372551] [2024-11-17 04:25:02,385 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:25:02,385 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:25:02,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:25:02,399 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1056484863] [2024-11-17 04:25:02,399 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:25:02,399 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:25:02,399 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:25:02,401 INFO L229 MonitoredProcess]: Starting monitored process 38 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 04:25:02,402 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (38)] Waiting until timeout for monitored process [2024-11-17 04:25:02,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:25:02,445 INFO L255 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-17 04:25:02,447 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:25:02,746 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-17 04:25:02,746 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:25:04,447 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:25:04,448 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [558372551] [2024-11-17 04:25:04,448 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:25:04,448 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1056484863] [2024-11-17 04:25:04,448 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1056484863] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:25:04,448 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-17 04:25:04,448 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2024-11-17 04:25:04,448 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [156078100] [2024-11-17 04:25:04,448 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-17 04:25:04,448 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-17 04:25:04,448 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:25:04,448 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-17 04:25:04,449 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=33, Unknown=1, NotChecked=0, Total=56 [2024-11-17 04:25:04,449 INFO L87 Difference]: Start difference. First operand 1633 states and 2236 transitions. Second operand has 6 states, 5 states have (on average 15.0) internal successors, (75), 6 states have internal predecessors, (75), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2024-11-17 04:25:05,152 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:25:05,157 INFO L93 Difference]: Finished difference Result 1698 states and 2323 transitions. [2024-11-17 04:25:05,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-17 04:25:05,158 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 15.0) internal successors, (75), 6 states have internal predecessors, (75), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) Word has length 119 [2024-11-17 04:25:05,158 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:25:05,164 INFO L225 Difference]: With dead ends: 1698 [2024-11-17 04:25:05,164 INFO L226 Difference]: Without dead ends: 1694 [2024-11-17 04:25:05,165 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 138 GetRequests, 127 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=63, Invalid=92, Unknown=1, NotChecked=0, Total=156 [2024-11-17 04:25:05,166 INFO L432 NwaCegarLoop]: 121 mSDtfsCounter, 154 mSDsluCounter, 212 mSDsCounter, 0 mSdLazyCounter, 816 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 157 SdHoareTripleChecker+Valid, 333 SdHoareTripleChecker+Invalid, 839 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 816 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-17 04:25:05,166 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [157 Valid, 333 Invalid, 839 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 816 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-17 04:25:05,167 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1694 states. [2024-11-17 04:25:05,248 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1694 to 1629. [2024-11-17 04:25:05,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1629 states, 1454 states have (on average 1.2916093535075652) internal successors, (1878), 1482 states have internal predecessors, (1878), 144 states have call successors, (144), 2 states have call predecessors, (144), 2 states have return successors, (144), 144 states have call predecessors, (144), 144 states have call successors, (144) [2024-11-17 04:25:05,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1629 states to 1629 states and 2166 transitions. [2024-11-17 04:25:05,253 INFO L78 Accepts]: Start accepts. Automaton has 1629 states and 2166 transitions. Word has length 119 [2024-11-17 04:25:05,253 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:25:05,254 INFO L471 AbstractCegarLoop]: Abstraction has 1629 states and 2166 transitions. [2024-11-17 04:25:05,254 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 15.0) internal successors, (75), 6 states have internal predecessors, (75), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2024-11-17 04:25:05,255 INFO L276 IsEmpty]: Start isEmpty. Operand 1629 states and 2166 transitions. [2024-11-17 04:25:05,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2024-11-17 04:25:05,255 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:25:05,255 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2024-11-17 04:25:05,274 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (38)] Forceful destruction successful, exit code 0 [2024-11-17 04:25:05,456 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42,38 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:25:05,456 INFO L396 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-17 04:25:05,456 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:25:05,456 INFO L85 PathProgramCache]: Analyzing trace with hash -1228111991, now seen corresponding path program 1 times [2024-11-17 04:25:05,456 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:25:05,456 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2057463802] [2024-11-17 04:25:05,457 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:25:05,457 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:25:05,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:25:05,510 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-17 04:25:05,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:25:05,512 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-17 04:25:05,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:25:05,513 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-17 04:25:05,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:25:05,514 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-17 04:25:05,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:25:05,514 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-17 04:25:05,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:25:05,515 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-17 04:25:05,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:25:05,516 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-17 04:25:05,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:25:05,517 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-17 04:25:05,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:25:05,519 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-17 04:25:05,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:25:05,521 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-17 04:25:05,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:25:05,524 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-17 04:25:05,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:25:05,526 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2024-11-17 04:25:05,527 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:25:05,527 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2057463802] [2024-11-17 04:25:05,527 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2057463802] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:25:05,527 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:25:05,527 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-17 04:25:05,527 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1814141687] [2024-11-17 04:25:05,527 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:25:05,527 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-17 04:25:05,527 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:25:05,528 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-17 04:25:05,528 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-17 04:25:05,528 INFO L87 Difference]: Start difference. First operand 1629 states and 2166 transitions. Second operand has 6 states, 5 states have (on average 14.4) internal successors, (72), 6 states have internal predecessors, (72), 4 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 4 states have call predecessors, (11), 4 states have call successors, (11) [2024-11-17 04:25:06,907 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:25:06,907 INFO L93 Difference]: Finished difference Result 1635 states and 2167 transitions. [2024-11-17 04:25:06,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-17 04:25:06,907 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 14.4) internal successors, (72), 6 states have internal predecessors, (72), 4 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 4 states have call predecessors, (11), 4 states have call successors, (11) Word has length 121 [2024-11-17 04:25:06,908 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:25:06,911 INFO L225 Difference]: With dead ends: 1635 [2024-11-17 04:25:06,911 INFO L226 Difference]: Without dead ends: 1623 [2024-11-17 04:25:06,912 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2024-11-17 04:25:06,912 INFO L432 NwaCegarLoop]: 71 mSDtfsCounter, 159 mSDsluCounter, 150 mSDsCounter, 0 mSdLazyCounter, 532 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 160 SdHoareTripleChecker+Valid, 221 SdHoareTripleChecker+Invalid, 545 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 532 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-17 04:25:06,912 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [160 Valid, 221 Invalid, 545 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 532 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-17 04:25:06,913 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1623 states. [2024-11-17 04:25:07,005 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1623 to 1617. [2024-11-17 04:25:07,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1617 states, 1444 states have (on average 1.2887811634349031) internal successors, (1861), 1471 states have internal predecessors, (1861), 143 states have call successors, (143), 2 states have call predecessors, (143), 2 states have return successors, (143), 143 states have call predecessors, (143), 143 states have call successors, (143) [2024-11-17 04:25:07,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1617 states to 1617 states and 2147 transitions. [2024-11-17 04:25:07,009 INFO L78 Accepts]: Start accepts. Automaton has 1617 states and 2147 transitions. Word has length 121 [2024-11-17 04:25:07,009 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:25:07,009 INFO L471 AbstractCegarLoop]: Abstraction has 1617 states and 2147 transitions. [2024-11-17 04:25:07,009 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 14.4) internal successors, (72), 6 states have internal predecessors, (72), 4 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 4 states have call predecessors, (11), 4 states have call successors, (11) [2024-11-17 04:25:07,009 INFO L276 IsEmpty]: Start isEmpty. Operand 1617 states and 2147 transitions. [2024-11-17 04:25:07,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2024-11-17 04:25:07,010 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:25:07,010 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 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] [2024-11-17 04:25:07,010 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43 [2024-11-17 04:25:07,010 INFO L396 AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr54ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-17 04:25:07,011 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:25:07,011 INFO L85 PathProgramCache]: Analyzing trace with hash -1574626640, now seen corresponding path program 1 times [2024-11-17 04:25:07,011 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:25:07,011 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [796855677] [2024-11-17 04:25:07,011 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:25:07,011 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:25:07,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:25:07,026 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [647621679] [2024-11-17 04:25:07,026 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:25:07,026 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:25:07,026 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:25:07,027 INFO L229 MonitoredProcess]: Starting monitored process 39 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 04:25:07,028 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (39)] Waiting until timeout for monitored process [2024-11-17 04:25:07,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:25:07,073 INFO L255 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-17 04:25:07,074 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:25:07,429 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-17 04:25:07,429 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:25:07,842 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:25:07,842 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [796855677] [2024-11-17 04:25:07,842 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:25:07,843 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [647621679] [2024-11-17 04:25:07,843 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [647621679] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:25:07,843 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-17 04:25:07,843 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2024-11-17 04:25:07,843 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2006729637] [2024-11-17 04:25:07,843 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-17 04:25:07,843 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-17 04:25:07,843 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:25:07,844 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-17 04:25:07,844 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=30, Unknown=0, NotChecked=0, Total=56 [2024-11-17 04:25:07,844 INFO L87 Difference]: Start difference. First operand 1617 states and 2147 transitions. Second operand has 6 states, 5 states have (on average 15.2) internal successors, (76), 6 states have internal predecessors, (76), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2024-11-17 04:25:08,288 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:25:08,289 INFO L93 Difference]: Finished difference Result 1678 states and 2220 transitions. [2024-11-17 04:25:08,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-17 04:25:08,289 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 15.2) internal successors, (76), 6 states have internal predecessors, (76), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) Word has length 120 [2024-11-17 04:25:08,289 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:25:08,292 INFO L225 Difference]: With dead ends: 1678 [2024-11-17 04:25:08,292 INFO L226 Difference]: Without dead ends: 1676 [2024-11-17 04:25:08,293 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 135 GetRequests, 129 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=26, Invalid=30, Unknown=0, NotChecked=0, Total=56 [2024-11-17 04:25:08,293 INFO L432 NwaCegarLoop]: 67 mSDtfsCounter, 90 mSDsluCounter, 124 mSDsCounter, 0 mSdLazyCounter, 266 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 96 SdHoareTripleChecker+Valid, 191 SdHoareTripleChecker+Invalid, 268 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 266 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-17 04:25:08,293 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [96 Valid, 191 Invalid, 268 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 266 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-17 04:25:08,294 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1676 states. [2024-11-17 04:25:08,381 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1676 to 1633. [2024-11-17 04:25:08,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1633 states, 1458 states have (on average 1.286008230452675) internal successors, (1875), 1485 states have internal predecessors, (1875), 145 states have call successors, (145), 2 states have call predecessors, (145), 2 states have return successors, (145), 145 states have call predecessors, (145), 145 states have call successors, (145) [2024-11-17 04:25:08,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1633 states to 1633 states and 2165 transitions. [2024-11-17 04:25:08,385 INFO L78 Accepts]: Start accepts. Automaton has 1633 states and 2165 transitions. Word has length 120 [2024-11-17 04:25:08,385 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:25:08,385 INFO L471 AbstractCegarLoop]: Abstraction has 1633 states and 2165 transitions. [2024-11-17 04:25:08,385 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 15.2) internal successors, (76), 6 states have internal predecessors, (76), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2024-11-17 04:25:08,385 INFO L276 IsEmpty]: Start isEmpty. Operand 1633 states and 2165 transitions. [2024-11-17 04:25:08,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2024-11-17 04:25:08,385 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:25:08,385 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 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] [2024-11-17 04:25:08,398 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (39)] Forceful destruction successful, exit code 0 [2024-11-17 04:25:08,586 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 39 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable44 [2024-11-17 04:25:08,586 INFO L396 AbstractCegarLoop]: === Iteration 46 === Targeting ULTIMATE.startErr54ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-17 04:25:08,586 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:25:08,586 INFO L85 PathProgramCache]: Analyzing trace with hash -1231054288, now seen corresponding path program 2 times [2024-11-17 04:25:08,586 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:25:08,586 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1047692846] [2024-11-17 04:25:08,587 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:25:08,587 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:25:08,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:25:08,598 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [346673326] [2024-11-17 04:25:08,598 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-17 04:25:08,598 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:25:08,598 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:25:08,601 INFO L229 MonitoredProcess]: Starting monitored process 40 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 04:25:08,602 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (40)] Waiting until timeout for monitored process [2024-11-17 04:25:08,645 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-17 04:25:08,646 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-17 04:25:08,647 INFO L255 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-17 04:25:08,648 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:25:08,964 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-17 04:25:08,964 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:25:09,519 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:25:09,520 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1047692846] [2024-11-17 04:25:09,520 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:25:09,520 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [346673326] [2024-11-17 04:25:09,520 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [346673326] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:25:09,520 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-17 04:25:09,521 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2024-11-17 04:25:09,521 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1216447272] [2024-11-17 04:25:09,521 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-17 04:25:09,521 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-17 04:25:09,521 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:25:09,521 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-17 04:25:09,521 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=30, Unknown=0, NotChecked=0, Total=56 [2024-11-17 04:25:09,521 INFO L87 Difference]: Start difference. First operand 1633 states and 2165 transitions. Second operand has 6 states, 5 states have (on average 15.2) internal successors, (76), 6 states have internal predecessors, (76), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2024-11-17 04:25:10,089 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:25:10,089 INFO L93 Difference]: Finished difference Result 1697 states and 2239 transitions. [2024-11-17 04:25:10,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-17 04:25:10,089 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 15.2) internal successors, (76), 6 states have internal predecessors, (76), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) Word has length 120 [2024-11-17 04:25:10,090 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:25:10,092 INFO L225 Difference]: With dead ends: 1697 [2024-11-17 04:25:10,092 INFO L226 Difference]: Without dead ends: 1693 [2024-11-17 04:25:10,093 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 135 GetRequests, 129 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=26, Invalid=30, Unknown=0, NotChecked=0, Total=56 [2024-11-17 04:25:10,093 INFO L432 NwaCegarLoop]: 64 mSDtfsCounter, 126 mSDsluCounter, 172 mSDsCounter, 0 mSdLazyCounter, 408 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 138 SdHoareTripleChecker+Valid, 236 SdHoareTripleChecker+Invalid, 412 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 408 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-17 04:25:10,093 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [138 Valid, 236 Invalid, 412 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 408 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-17 04:25:10,094 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1693 states. [2024-11-17 04:25:10,185 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1693 to 1669. [2024-11-17 04:25:10,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1669 states, 1490 states have (on average 1.280536912751678) internal successors, (1908), 1517 states have internal predecessors, (1908), 149 states have call successors, (149), 2 states have call predecessors, (149), 2 states have return successors, (149), 149 states have call predecessors, (149), 149 states have call successors, (149) [2024-11-17 04:25:10,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1669 states to 1669 states and 2206 transitions. [2024-11-17 04:25:10,190 INFO L78 Accepts]: Start accepts. Automaton has 1669 states and 2206 transitions. Word has length 120 [2024-11-17 04:25:10,190 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:25:10,190 INFO L471 AbstractCegarLoop]: Abstraction has 1669 states and 2206 transitions. [2024-11-17 04:25:10,190 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 15.2) internal successors, (76), 6 states have internal predecessors, (76), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2024-11-17 04:25:10,190 INFO L276 IsEmpty]: Start isEmpty. Operand 1669 states and 2206 transitions. [2024-11-17 04:25:10,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2024-11-17 04:25:10,191 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:25:10,191 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:25:10,204 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (40)] Forceful destruction successful, exit code 0 [2024-11-17 04:25:10,391 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 40 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable45 [2024-11-17 04:25:10,392 INFO L396 AbstractCegarLoop]: === Iteration 47 === Targeting ULTIMATE.startErr52ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-17 04:25:10,392 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:25:10,392 INFO L85 PathProgramCache]: Analyzing trace with hash -1387709778, now seen corresponding path program 1 times [2024-11-17 04:25:10,392 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:25:10,392 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [382960956] [2024-11-17 04:25:10,392 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:25:10,392 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:25:10,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:25:10,408 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2071251835] [2024-11-17 04:25:10,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:25:10,409 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:25:10,409 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:25:10,410 INFO L229 MonitoredProcess]: Starting monitored process 41 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 04:25:10,412 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (41)] Waiting until timeout for monitored process [2024-11-17 04:25:10,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:25:10,458 INFO L255 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-17 04:25:10,460 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:25:10,783 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 0 proven. 37 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-17 04:25:10,784 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:25:11,165 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:25:11,165 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [382960956] [2024-11-17 04:25:11,165 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:25:11,168 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2071251835] [2024-11-17 04:25:11,168 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2071251835] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:25:11,168 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-17 04:25:11,168 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2024-11-17 04:25:11,168 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1747585084] [2024-11-17 04:25:11,168 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-17 04:25:11,169 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-17 04:25:11,169 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:25:11,169 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-17 04:25:11,169 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-17 04:25:11,169 INFO L87 Difference]: Start difference. First operand 1669 states and 2206 transitions. Second operand has 5 states, 4 states have (on average 19.5) internal successors, (78), 5 states have internal predecessors, (78), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2024-11-17 04:25:11,564 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:25:11,564 INFO L93 Difference]: Finished difference Result 1685 states and 2226 transitions. [2024-11-17 04:25:11,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-17 04:25:11,564 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 19.5) internal successors, (78), 5 states have internal predecessors, (78), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) Word has length 122 [2024-11-17 04:25:11,565 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:25:11,567 INFO L225 Difference]: With dead ends: 1685 [2024-11-17 04:25:11,567 INFO L226 Difference]: Without dead ends: 1683 [2024-11-17 04:25:11,568 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 139 GetRequests, 134 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-17 04:25:11,568 INFO L432 NwaCegarLoop]: 123 mSDtfsCounter, 81 mSDsluCounter, 126 mSDsCounter, 0 mSdLazyCounter, 327 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 87 SdHoareTripleChecker+Valid, 249 SdHoareTripleChecker+Invalid, 329 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 327 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-17 04:25:11,568 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [87 Valid, 249 Invalid, 329 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 327 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-17 04:25:11,569 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1683 states. [2024-11-17 04:25:11,688 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1683 to 1669. [2024-11-17 04:25:11,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1669 states, 1490 states have (on average 1.2791946308724833) internal successors, (1906), 1517 states have internal predecessors, (1906), 149 states have call successors, (149), 2 states have call predecessors, (149), 2 states have return successors, (149), 149 states have call predecessors, (149), 149 states have call successors, (149) [2024-11-17 04:25:11,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1669 states to 1669 states and 2204 transitions. [2024-11-17 04:25:11,691 INFO L78 Accepts]: Start accepts. Automaton has 1669 states and 2204 transitions. Word has length 122 [2024-11-17 04:25:11,691 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:25:11,691 INFO L471 AbstractCegarLoop]: Abstraction has 1669 states and 2204 transitions. [2024-11-17 04:25:11,691 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 19.5) internal successors, (78), 5 states have internal predecessors, (78), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2024-11-17 04:25:11,691 INFO L276 IsEmpty]: Start isEmpty. Operand 1669 states and 2204 transitions. [2024-11-17 04:25:11,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2024-11-17 04:25:11,692 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:25:11,692 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:25:11,704 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (41)] Ended with exit code 0 [2024-11-17 04:25:11,892 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 41 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable46 [2024-11-17 04:25:11,893 INFO L396 AbstractCegarLoop]: === Iteration 48 === Targeting ULTIMATE.startErr52ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-17 04:25:11,893 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:25:11,893 INFO L85 PathProgramCache]: Analyzing trace with hash -1927161298, now seen corresponding path program 2 times [2024-11-17 04:25:11,893 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:25:11,893 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [683585759] [2024-11-17 04:25:11,893 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:25:11,893 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:25:11,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:25:11,901 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [654166847] [2024-11-17 04:25:11,901 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-17 04:25:11,901 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:25:11,901 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:25:11,903 INFO L229 MonitoredProcess]: Starting monitored process 42 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 04:25:11,904 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (42)] Waiting until timeout for monitored process [2024-11-17 04:25:11,944 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-17 04:25:11,944 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-17 04:25:11,947 INFO L255 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-17 04:25:11,948 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:25:12,256 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 0 proven. 37 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-17 04:25:12,256 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:25:12,754 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:25:12,754 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [683585759] [2024-11-17 04:25:12,754 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:25:12,754 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [654166847] [2024-11-17 04:25:12,754 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [654166847] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:25:12,754 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-17 04:25:12,754 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2024-11-17 04:25:12,755 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1365434071] [2024-11-17 04:25:12,755 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-17 04:25:12,755 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-17 04:25:12,755 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:25:12,755 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-17 04:25:12,755 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-17 04:25:12,756 INFO L87 Difference]: Start difference. First operand 1669 states and 2204 transitions. Second operand has 5 states, 4 states have (on average 19.5) internal successors, (78), 5 states have internal predecessors, (78), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2024-11-17 04:25:13,301 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:25:13,302 INFO L93 Difference]: Finished difference Result 1694 states and 2233 transitions. [2024-11-17 04:25:13,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-17 04:25:13,302 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 19.5) internal successors, (78), 5 states have internal predecessors, (78), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) Word has length 122 [2024-11-17 04:25:13,302 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:25:13,305 INFO L225 Difference]: With dead ends: 1694 [2024-11-17 04:25:13,305 INFO L226 Difference]: Without dead ends: 1692 [2024-11-17 04:25:13,306 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 139 GetRequests, 134 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-17 04:25:13,306 INFO L432 NwaCegarLoop]: 85 mSDtfsCounter, 130 mSDsluCounter, 127 mSDsCounter, 0 mSdLazyCounter, 327 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 139 SdHoareTripleChecker+Valid, 212 SdHoareTripleChecker+Invalid, 332 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 327 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-17 04:25:13,306 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [139 Valid, 212 Invalid, 332 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 327 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-17 04:25:13,307 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1692 states. [2024-11-17 04:25:13,403 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1692 to 1669. [2024-11-17 04:25:13,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1669 states, 1490 states have (on average 1.2778523489932887) internal successors, (1904), 1517 states have internal predecessors, (1904), 149 states have call successors, (149), 2 states have call predecessors, (149), 2 states have return successors, (149), 149 states have call predecessors, (149), 149 states have call successors, (149) [2024-11-17 04:25:13,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1669 states to 1669 states and 2202 transitions. [2024-11-17 04:25:13,405 INFO L78 Accepts]: Start accepts. Automaton has 1669 states and 2202 transitions. Word has length 122 [2024-11-17 04:25:13,405 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:25:13,406 INFO L471 AbstractCegarLoop]: Abstraction has 1669 states and 2202 transitions. [2024-11-17 04:25:13,406 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 19.5) internal successors, (78), 5 states have internal predecessors, (78), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2024-11-17 04:25:13,406 INFO L276 IsEmpty]: Start isEmpty. Operand 1669 states and 2202 transitions. [2024-11-17 04:25:13,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2024-11-17 04:25:13,406 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:25:13,406 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:25:13,418 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (42)] Forceful destruction successful, exit code 0 [2024-11-17 04:25:13,610 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 42 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable47 [2024-11-17 04:25:13,610 INFO L396 AbstractCegarLoop]: === Iteration 49 === Targeting ULTIMATE.startErr51ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-17 04:25:13,611 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:25:13,611 INFO L85 PathProgramCache]: Analyzing trace with hash -69330066, now seen corresponding path program 1 times [2024-11-17 04:25:13,611 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:25:13,611 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1652932737] [2024-11-17 04:25:13,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:25:13,611 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:25:13,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:25:13,623 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [664946189] [2024-11-17 04:25:13,623 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:25:13,623 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:25:13,626 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:25:13,628 INFO L229 MonitoredProcess]: Starting monitored process 43 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 04:25:13,629 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (43)] Waiting until timeout for monitored process [2024-11-17 04:25:13,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:25:13,671 INFO L255 TraceCheckSpWp]: Trace formula consists of 202 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-17 04:25:13,672 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:25:14,006 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 0 proven. 39 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-17 04:25:14,007 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:25:14,835 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 123 trivial. 0 not checked. [2024-11-17 04:25:14,835 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:25:14,835 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1652932737] [2024-11-17 04:25:14,835 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:25:14,835 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [664946189] [2024-11-17 04:25:14,835 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [664946189] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-17 04:25:14,835 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-17 04:25:14,835 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 8 [2024-11-17 04:25:14,836 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1476413950] [2024-11-17 04:25:14,836 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:25:14,836 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-17 04:25:14,836 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:25:14,836 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-17 04:25:14,836 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2024-11-17 04:25:14,836 INFO L87 Difference]: Start difference. First operand 1669 states and 2202 transitions. Second operand has 5 states, 4 states have (on average 13.0) internal successors, (52), 5 states have internal predecessors, (52), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-17 04:25:16,853 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:25:16,853 INFO L93 Difference]: Finished difference Result 1669 states and 2202 transitions. [2024-11-17 04:25:16,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-17 04:25:16,854 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 13.0) internal successors, (52), 5 states have internal predecessors, (52), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 123 [2024-11-17 04:25:16,854 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:25:16,856 INFO L225 Difference]: With dead ends: 1669 [2024-11-17 04:25:16,856 INFO L226 Difference]: Without dead ends: 1668 [2024-11-17 04:25:16,857 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 245 GetRequests, 235 SyntacticMatches, 2 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2024-11-17 04:25:16,857 INFO L432 NwaCegarLoop]: 46 mSDtfsCounter, 94 mSDsluCounter, 98 mSDsCounter, 0 mSdLazyCounter, 274 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 97 SdHoareTripleChecker+Valid, 144 SdHoareTripleChecker+Invalid, 282 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 274 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2024-11-17 04:25:16,857 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [97 Valid, 144 Invalid, 282 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 274 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2024-11-17 04:25:16,858 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1668 states. [2024-11-17 04:25:16,954 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1668 to 1668. [2024-11-17 04:25:16,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1668 states, 1490 states have (on average 1.2563758389261745) internal successors, (1872), 1516 states have internal predecessors, (1872), 149 states have call successors, (149), 2 states have call predecessors, (149), 2 states have return successors, (149), 149 states have call predecessors, (149), 149 states have call successors, (149) [2024-11-17 04:25:16,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1668 states to 1668 states and 2170 transitions. [2024-11-17 04:25:16,957 INFO L78 Accepts]: Start accepts. Automaton has 1668 states and 2170 transitions. Word has length 123 [2024-11-17 04:25:16,957 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:25:16,957 INFO L471 AbstractCegarLoop]: Abstraction has 1668 states and 2170 transitions. [2024-11-17 04:25:16,957 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 13.0) internal successors, (52), 5 states have internal predecessors, (52), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-17 04:25:16,957 INFO L276 IsEmpty]: Start isEmpty. Operand 1668 states and 2170 transitions. [2024-11-17 04:25:16,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-11-17 04:25:16,958 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:25:16,958 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:25:16,971 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (43)] Forceful destruction successful, exit code 0 [2024-11-17 04:25:17,158 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable48,43 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:25:17,159 INFO L396 AbstractCegarLoop]: === Iteration 50 === Targeting ULTIMATE.startErr50ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-17 04:25:17,159 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:25:17,159 INFO L85 PathProgramCache]: Analyzing trace with hash 2145735340, now seen corresponding path program 1 times [2024-11-17 04:25:17,159 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:25:17,159 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1487232760] [2024-11-17 04:25:17,159 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:25:17,159 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:25:17,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:25:17,170 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1156522493] [2024-11-17 04:25:17,170 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:25:17,170 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:25:17,170 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:25:17,171 INFO L229 MonitoredProcess]: Starting monitored process 44 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 04:25:17,172 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (44)] Waiting until timeout for monitored process [2024-11-17 04:25:17,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:25:17,216 INFO L255 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-17 04:25:17,217 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:25:17,505 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 0 proven. 41 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-17 04:25:17,505 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:25:18,208 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:25:18,208 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1487232760] [2024-11-17 04:25:18,208 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:25:18,208 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1156522493] [2024-11-17 04:25:18,208 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1156522493] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:25:18,209 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-17 04:25:18,209 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2024-11-17 04:25:18,209 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1460248564] [2024-11-17 04:25:18,209 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-17 04:25:18,209 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-17 04:25:18,209 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:25:18,209 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-17 04:25:18,209 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-11-17 04:25:18,209 INFO L87 Difference]: Start difference. First operand 1668 states and 2170 transitions. Second operand has 7 states, 6 states have (on average 13.333333333333334) internal successors, (80), 7 states have internal predecessors, (80), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2024-11-17 04:25:18,809 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:25:18,809 INFO L93 Difference]: Finished difference Result 1717 states and 2236 transitions. [2024-11-17 04:25:18,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-17 04:25:18,809 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 13.333333333333334) internal successors, (80), 7 states have internal predecessors, (80), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) Word has length 124 [2024-11-17 04:25:18,809 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:25:18,812 INFO L225 Difference]: With dead ends: 1717 [2024-11-17 04:25:18,812 INFO L226 Difference]: Without dead ends: 1713 [2024-11-17 04:25:18,812 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 146 GetRequests, 135 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=52, Invalid=104, Unknown=0, NotChecked=0, Total=156 [2024-11-17 04:25:18,813 INFO L432 NwaCegarLoop]: 98 mSDtfsCounter, 240 mSDsluCounter, 226 mSDsCounter, 0 mSdLazyCounter, 749 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 246 SdHoareTripleChecker+Valid, 324 SdHoareTripleChecker+Invalid, 779 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 749 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-17 04:25:18,813 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [246 Valid, 324 Invalid, 779 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 749 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-17 04:25:18,814 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1713 states. [2024-11-17 04:25:18,918 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1713 to 1696. [2024-11-17 04:25:18,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1696 states, 1515 states have (on average 1.2455445544554455) internal successors, (1887), 1541 states have internal predecessors, (1887), 152 states have call successors, (152), 2 states have call predecessors, (152), 2 states have return successors, (152), 152 states have call predecessors, (152), 152 states have call successors, (152) [2024-11-17 04:25:18,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1696 states to 1696 states and 2191 transitions. [2024-11-17 04:25:18,921 INFO L78 Accepts]: Start accepts. Automaton has 1696 states and 2191 transitions. Word has length 124 [2024-11-17 04:25:18,921 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:25:18,921 INFO L471 AbstractCegarLoop]: Abstraction has 1696 states and 2191 transitions. [2024-11-17 04:25:18,921 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 13.333333333333334) internal successors, (80), 7 states have internal predecessors, (80), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2024-11-17 04:25:18,921 INFO L276 IsEmpty]: Start isEmpty. Operand 1696 states and 2191 transitions. [2024-11-17 04:25:18,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-11-17 04:25:18,922 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:25:18,922 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:25:18,937 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (44)] Ended with exit code 0 [2024-11-17 04:25:19,125 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 44 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable49 [2024-11-17 04:25:19,126 INFO L396 AbstractCegarLoop]: === Iteration 51 === Targeting ULTIMATE.startErr50ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-17 04:25:19,126 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:25:19,126 INFO L85 PathProgramCache]: Analyzing trace with hash -871099860, now seen corresponding path program 2 times [2024-11-17 04:25:19,126 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:25:19,126 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1243832674] [2024-11-17 04:25:19,126 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:25:19,126 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:25:19,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:25:19,135 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [879492117] [2024-11-17 04:25:19,135 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-17 04:25:19,135 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:25:19,135 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:25:19,136 INFO L229 MonitoredProcess]: Starting monitored process 45 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 04:25:19,138 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (45)] Waiting until timeout for monitored process [2024-11-17 04:25:19,178 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-17 04:25:19,178 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-17 04:25:19,179 INFO L255 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-17 04:25:19,180 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:25:19,555 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 0 proven. 41 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-17 04:25:19,555 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:25:20,095 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 125 trivial. 0 not checked. [2024-11-17 04:25:20,095 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:25:20,095 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1243832674] [2024-11-17 04:25:20,095 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:25:20,095 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [879492117] [2024-11-17 04:25:20,096 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [879492117] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-17 04:25:20,096 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-17 04:25:20,096 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 8 [2024-11-17 04:25:20,096 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [666669484] [2024-11-17 04:25:20,096 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:25:20,096 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-17 04:25:20,096 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:25:20,096 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-17 04:25:20,096 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2024-11-17 04:25:20,097 INFO L87 Difference]: Start difference. First operand 1696 states and 2191 transitions. Second operand has 5 states, 4 states have (on average 13.0) internal successors, (52), 5 states have internal predecessors, (52), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-17 04:25:22,688 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:25:22,688 INFO L93 Difference]: Finished difference Result 1696 states and 2191 transitions. [2024-11-17 04:25:22,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-17 04:25:22,689 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 13.0) internal successors, (52), 5 states have internal predecessors, (52), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 124 [2024-11-17 04:25:22,689 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:25:22,691 INFO L225 Difference]: With dead ends: 1696 [2024-11-17 04:25:22,691 INFO L226 Difference]: Without dead ends: 1693 [2024-11-17 04:25:22,692 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 247 GetRequests, 237 SyntacticMatches, 2 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2024-11-17 04:25:22,692 INFO L432 NwaCegarLoop]: 46 mSDtfsCounter, 94 mSDsluCounter, 98 mSDsCounter, 0 mSdLazyCounter, 262 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 97 SdHoareTripleChecker+Valid, 144 SdHoareTripleChecker+Invalid, 272 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 262 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2024-11-17 04:25:22,692 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [97 Valid, 144 Invalid, 272 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 262 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2024-11-17 04:25:22,693 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1693 states. [2024-11-17 04:25:22,799 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1693 to 1687. [2024-11-17 04:25:22,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1687 states, 1509 states have (on average 1.2306163021868788) internal successors, (1857), 1532 states have internal predecessors, (1857), 152 states have call successors, (152), 2 states have call predecessors, (152), 2 states have return successors, (152), 152 states have call predecessors, (152), 152 states have call successors, (152) [2024-11-17 04:25:22,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1687 states to 1687 states and 2161 transitions. [2024-11-17 04:25:22,802 INFO L78 Accepts]: Start accepts. Automaton has 1687 states and 2161 transitions. Word has length 124 [2024-11-17 04:25:22,802 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:25:22,802 INFO L471 AbstractCegarLoop]: Abstraction has 1687 states and 2161 transitions. [2024-11-17 04:25:22,802 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 13.0) internal successors, (52), 5 states have internal predecessors, (52), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-17 04:25:22,802 INFO L276 IsEmpty]: Start isEmpty. Operand 1687 states and 2161 transitions. [2024-11-17 04:25:22,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2024-11-17 04:25:22,803 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:25:22,803 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:25:22,815 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (45)] Forceful destruction successful, exit code 0 [2024-11-17 04:25:23,003 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50,45 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:25:23,003 INFO L396 AbstractCegarLoop]: === Iteration 52 === Targeting ULTIMATE.startErr49ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-17 04:25:23,004 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:25:23,004 INFO L85 PathProgramCache]: Analyzing trace with hash 763465823, now seen corresponding path program 2 times [2024-11-17 04:25:23,004 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:25:23,004 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1536410566] [2024-11-17 04:25:23,004 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:25:23,004 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:25:23,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:25:23,019 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1379000860] [2024-11-17 04:25:23,019 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-17 04:25:23,019 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:25:23,019 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:25:23,024 INFO L229 MonitoredProcess]: Starting monitored process 46 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 04:25:23,028 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (46)] Waiting until timeout for monitored process [2024-11-17 04:25:23,076 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-17 04:25:23,076 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-17 04:25:23,077 INFO L255 TraceCheckSpWp]: Trace formula consists of 213 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-17 04:25:23,078 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:25:23,480 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 0 proven. 63 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2024-11-17 04:25:23,481 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:25:24,998 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 0 proven. 63 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2024-11-17 04:25:24,998 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:25:24,998 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1536410566] [2024-11-17 04:25:24,998 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:25:24,998 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1379000860] [2024-11-17 04:25:24,998 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1379000860] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 04:25:24,998 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-17 04:25:24,998 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 16 [2024-11-17 04:25:24,998 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [738133670] [2024-11-17 04:25:24,998 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-17 04:25:24,999 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-11-17 04:25:24,999 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:25:24,999 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-11-17 04:25:24,999 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=220, Unknown=0, NotChecked=0, Total=272 [2024-11-17 04:25:24,999 INFO L87 Difference]: Start difference. First operand 1687 states and 2161 transitions. Second operand has 17 states, 16 states have (on average 9.9375) internal successors, (159), 17 states have internal predecessors, (159), 9 states have call successors, (21), 1 states have call predecessors, (21), 2 states have return successors, (22), 8 states have call predecessors, (22), 9 states have call successors, (22) [2024-11-17 04:25:30,108 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:25:30,108 INFO L93 Difference]: Finished difference Result 1916 states and 2450 transitions. [2024-11-17 04:25:30,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-11-17 04:25:30,108 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 9.9375) internal successors, (159), 17 states have internal predecessors, (159), 9 states have call successors, (21), 1 states have call predecessors, (21), 2 states have return successors, (22), 8 states have call predecessors, (22), 9 states have call successors, (22) Word has length 130 [2024-11-17 04:25:30,109 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:25:30,111 INFO L225 Difference]: With dead ends: 1916 [2024-11-17 04:25:30,111 INFO L226 Difference]: Without dead ends: 1914 [2024-11-17 04:25:30,112 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 277 GetRequests, 243 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 192 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=298, Invalid=962, Unknown=0, NotChecked=0, Total=1260 [2024-11-17 04:25:30,112 INFO L432 NwaCegarLoop]: 75 mSDtfsCounter, 539 mSDsluCounter, 582 mSDsCounter, 0 mSdLazyCounter, 2063 mSolverCounterSat, 56 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 540 SdHoareTripleChecker+Valid, 657 SdHoareTripleChecker+Invalid, 2119 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 56 IncrementalHoareTripleChecker+Valid, 2063 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2024-11-17 04:25:30,113 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [540 Valid, 657 Invalid, 2119 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [56 Valid, 2063 Invalid, 0 Unknown, 0 Unchecked, 4.3s Time] [2024-11-17 04:25:30,114 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1914 states. [2024-11-17 04:25:30,239 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1914 to 1648. [2024-11-17 04:25:30,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1648 states, 1475 states have (on average 1.2216949152542373) internal successors, (1802), 1497 states have internal predecessors, (1802), 148 states have call successors, (148), 2 states have call predecessors, (148), 2 states have return successors, (148), 148 states have call predecessors, (148), 148 states have call successors, (148) [2024-11-17 04:25:30,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1648 states to 1648 states and 2098 transitions. [2024-11-17 04:25:30,242 INFO L78 Accepts]: Start accepts. Automaton has 1648 states and 2098 transitions. Word has length 130 [2024-11-17 04:25:30,242 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:25:30,242 INFO L471 AbstractCegarLoop]: Abstraction has 1648 states and 2098 transitions. [2024-11-17 04:25:30,243 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 9.9375) internal successors, (159), 17 states have internal predecessors, (159), 9 states have call successors, (21), 1 states have call predecessors, (21), 2 states have return successors, (22), 8 states have call predecessors, (22), 9 states have call successors, (22) [2024-11-17 04:25:30,243 INFO L276 IsEmpty]: Start isEmpty. Operand 1648 states and 2098 transitions. [2024-11-17 04:25:30,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2024-11-17 04:25:30,243 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:25:30,243 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:25:30,257 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (46)] Ended with exit code 0 [2024-11-17 04:25:30,444 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 46 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable51 [2024-11-17 04:25:30,444 INFO L396 AbstractCegarLoop]: === Iteration 53 === Targeting ULTIMATE.startErr46ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-17 04:25:30,444 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:25:30,444 INFO L85 PathProgramCache]: Analyzing trace with hash 65159494, now seen corresponding path program 1 times [2024-11-17 04:25:30,444 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:25:30,444 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1266342922] [2024-11-17 04:25:30,444 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:25:30,445 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:25:30,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:25:30,454 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1174000404] [2024-11-17 04:25:30,454 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:25:30,454 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:25:30,455 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:25:30,456 INFO L229 MonitoredProcess]: Starting monitored process 47 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 04:25:30,457 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (47)] Waiting until timeout for monitored process [2024-11-17 04:25:30,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:25:30,497 INFO L255 TraceCheckSpWp]: Trace formula consists of 216 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-17 04:25:30,498 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:25:31,021 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 3 proven. 57 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2024-11-17 04:25:31,021 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:25:33,655 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:25:33,655 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1266342922] [2024-11-17 04:25:33,655 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:25:33,656 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1174000404] [2024-11-17 04:25:33,656 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1174000404] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:25:33,656 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-17 04:25:33,656 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2024-11-17 04:25:33,656 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1597252255] [2024-11-17 04:25:33,656 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-17 04:25:33,656 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-17 04:25:33,656 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:25:33,656 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-17 04:25:33,657 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=170, Unknown=1, NotChecked=0, Total=210 [2024-11-17 04:25:33,657 INFO L87 Difference]: Start difference. First operand 1648 states and 2098 transitions. Second operand has 12 states, 11 states have (on average 7.909090909090909) internal successors, (87), 11 states have internal predecessors, (87), 5 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 5 states have call predecessors, (11), 5 states have call successors, (11) [2024-11-17 04:25:34,696 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:25:34,697 INFO L93 Difference]: Finished difference Result 1751 states and 2225 transitions. [2024-11-17 04:25:34,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-17 04:25:34,697 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 7.909090909090909) internal successors, (87), 11 states have internal predecessors, (87), 5 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 5 states have call predecessors, (11), 5 states have call successors, (11) Word has length 133 [2024-11-17 04:25:34,697 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:25:34,700 INFO L225 Difference]: With dead ends: 1751 [2024-11-17 04:25:34,700 INFO L226 Difference]: Without dead ends: 1750 [2024-11-17 04:25:34,700 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 169 GetRequests, 148 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=94, Invalid=411, Unknown=1, NotChecked=0, Total=506 [2024-11-17 04:25:34,701 INFO L432 NwaCegarLoop]: 92 mSDtfsCounter, 255 mSDsluCounter, 448 mSDsCounter, 0 mSdLazyCounter, 1379 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 261 SdHoareTripleChecker+Valid, 540 SdHoareTripleChecker+Invalid, 1395 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 1379 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-17 04:25:34,701 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [261 Valid, 540 Invalid, 1395 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 1379 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-17 04:25:34,702 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1750 states. [2024-11-17 04:25:34,823 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1750 to 1648. [2024-11-17 04:25:34,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1648 states, 1475 states have (on average 1.2210169491525424) internal successors, (1801), 1497 states have internal predecessors, (1801), 148 states have call successors, (148), 2 states have call predecessors, (148), 2 states have return successors, (148), 148 states have call predecessors, (148), 148 states have call successors, (148) [2024-11-17 04:25:34,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1648 states to 1648 states and 2097 transitions. [2024-11-17 04:25:34,827 INFO L78 Accepts]: Start accepts. Automaton has 1648 states and 2097 transitions. Word has length 133 [2024-11-17 04:25:34,827 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:25:34,827 INFO L471 AbstractCegarLoop]: Abstraction has 1648 states and 2097 transitions. [2024-11-17 04:25:34,827 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 7.909090909090909) internal successors, (87), 11 states have internal predecessors, (87), 5 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 5 states have call predecessors, (11), 5 states have call successors, (11) [2024-11-17 04:25:34,827 INFO L276 IsEmpty]: Start isEmpty. Operand 1648 states and 2097 transitions. [2024-11-17 04:25:34,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2024-11-17 04:25:34,828 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:25:34,828 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:25:34,842 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (47)] Forceful destruction successful, exit code 0 [2024-11-17 04:25:35,029 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable52,47 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:25:35,029 INFO L396 AbstractCegarLoop]: === Iteration 54 === Targeting ULTIMATE.startErr45ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-17 04:25:35,029 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:25:35,029 INFO L85 PathProgramCache]: Analyzing trace with hash 2019944393, now seen corresponding path program 1 times [2024-11-17 04:25:35,030 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:25:35,030 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1555265206] [2024-11-17 04:25:35,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:25:35,030 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:25:35,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:25:35,039 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1537154724] [2024-11-17 04:25:35,039 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:25:35,039 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:25:35,039 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:25:35,041 INFO L229 MonitoredProcess]: Starting monitored process 48 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 04:25:35,042 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (48)] Waiting until timeout for monitored process [2024-11-17 04:25:35,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:25:35,081 INFO L255 TraceCheckSpWp]: Trace formula consists of 217 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-17 04:25:35,082 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:25:35,410 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 24 proven. 29 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2024-11-17 04:25:35,410 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:25:35,649 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:25:35,649 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1555265206] [2024-11-17 04:25:35,649 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:25:35,649 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1537154724] [2024-11-17 04:25:35,649 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1537154724] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:25:35,649 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-17 04:25:35,649 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2024-11-17 04:25:35,649 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [533200273] [2024-11-17 04:25:35,649 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-17 04:25:35,650 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-17 04:25:35,650 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:25:35,650 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-17 04:25:35,650 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2024-11-17 04:25:35,650 INFO L87 Difference]: Start difference. First operand 1648 states and 2097 transitions. Second operand has 10 states, 9 states have (on average 9.444444444444445) internal successors, (85), 10 states have internal predecessors, (85), 4 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 4 states have call predecessors, (11), 4 states have call successors, (11) [2024-11-17 04:25:36,639 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:25:36,640 INFO L93 Difference]: Finished difference Result 1993 states and 2563 transitions. [2024-11-17 04:25:36,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-11-17 04:25:36,640 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 9.444444444444445) internal successors, (85), 10 states have internal predecessors, (85), 4 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 4 states have call predecessors, (11), 4 states have call successors, (11) Word has length 134 [2024-11-17 04:25:36,640 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:25:36,643 INFO L225 Difference]: With dead ends: 1993 [2024-11-17 04:25:36,643 INFO L226 Difference]: Without dead ends: 1991 [2024-11-17 04:25:36,643 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 152 GetRequests, 129 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 90 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=178, Invalid=422, Unknown=0, NotChecked=0, Total=600 [2024-11-17 04:25:36,644 INFO L432 NwaCegarLoop]: 106 mSDtfsCounter, 348 mSDsluCounter, 249 mSDsCounter, 0 mSdLazyCounter, 995 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 351 SdHoareTripleChecker+Valid, 355 SdHoareTripleChecker+Invalid, 1037 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 995 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-17 04:25:36,644 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [351 Valid, 355 Invalid, 1037 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 995 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-17 04:25:36,645 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1991 states. [2024-11-17 04:25:36,789 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1991 to 1932. [2024-11-17 04:25:36,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1932 states, 1734 states have (on average 1.2254901960784315) internal successors, (2125), 1756 states have internal predecessors, (2125), 173 states have call successors, (173), 2 states have call predecessors, (173), 2 states have return successors, (173), 173 states have call predecessors, (173), 173 states have call successors, (173) [2024-11-17 04:25:36,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1932 states to 1932 states and 2471 transitions. [2024-11-17 04:25:36,793 INFO L78 Accepts]: Start accepts. Automaton has 1932 states and 2471 transitions. Word has length 134 [2024-11-17 04:25:36,793 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:25:36,793 INFO L471 AbstractCegarLoop]: Abstraction has 1932 states and 2471 transitions. [2024-11-17 04:25:36,793 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 9.444444444444445) internal successors, (85), 10 states have internal predecessors, (85), 4 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 4 states have call predecessors, (11), 4 states have call successors, (11) [2024-11-17 04:25:36,793 INFO L276 IsEmpty]: Start isEmpty. Operand 1932 states and 2471 transitions. [2024-11-17 04:25:36,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2024-11-17 04:25:36,794 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:25:36,794 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 4, 4, 4, 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] [2024-11-17 04:25:36,807 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (48)] Forceful destruction successful, exit code 0 [2024-11-17 04:25:36,994 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable53,48 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:25:36,995 INFO L396 AbstractCegarLoop]: === Iteration 55 === Targeting ULTIMATE.startErr43ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-17 04:25:36,995 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:25:36,995 INFO L85 PathProgramCache]: Analyzing trace with hash 1798937358, now seen corresponding path program 2 times [2024-11-17 04:25:36,995 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:25:36,995 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1988424766] [2024-11-17 04:25:36,995 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:25:36,995 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:25:37,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:25:37,005 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [417750156] [2024-11-17 04:25:37,005 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-17 04:25:37,005 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:25:37,005 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:25:37,006 INFO L229 MonitoredProcess]: Starting monitored process 49 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 04:25:37,007 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (49)] Waiting until timeout for monitored process [2024-11-17 04:25:37,050 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-17 04:25:37,050 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-17 04:25:37,051 INFO L255 TraceCheckSpWp]: Trace formula consists of 228 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-17 04:25:37,052 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:25:37,519 INFO L134 CoverageAnalysis]: Checked inductivity of 204 backedges. 3 proven. 77 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2024-11-17 04:25:37,520 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:25:37,619 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:25:37,620 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1988424766] [2024-11-17 04:25:37,620 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:25:37,620 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [417750156] [2024-11-17 04:25:37,620 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [417750156] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:25:37,620 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-17 04:25:37,620 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2024-11-17 04:25:37,620 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [323923006] [2024-11-17 04:25:37,620 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-17 04:25:37,620 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-17 04:25:37,620 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:25:37,620 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-17 04:25:37,621 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2024-11-17 04:25:37,621 INFO L87 Difference]: Start difference. First operand 1932 states and 2471 transitions. Second operand has 9 states, 8 states have (on average 11.25) internal successors, (90), 8 states have internal predecessors, (90), 6 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 5 states have call predecessors, (12), 6 states have call successors, (12) [2024-11-17 04:25:38,251 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:25:38,251 INFO L93 Difference]: Finished difference Result 2302 states and 2936 transitions. [2024-11-17 04:25:38,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-17 04:25:38,251 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 11.25) internal successors, (90), 8 states have internal predecessors, (90), 6 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 5 states have call predecessors, (12), 6 states have call successors, (12) Word has length 141 [2024-11-17 04:25:38,252 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:25:38,254 INFO L225 Difference]: With dead ends: 2302 [2024-11-17 04:25:38,255 INFO L226 Difference]: Without dead ends: 2300 [2024-11-17 04:25:38,255 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 178 GetRequests, 168 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=42, Invalid=90, Unknown=0, NotChecked=0, Total=132 [2024-11-17 04:25:38,255 INFO L432 NwaCegarLoop]: 62 mSDtfsCounter, 344 mSDsluCounter, 257 mSDsCounter, 0 mSdLazyCounter, 378 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 357 SdHoareTripleChecker+Valid, 319 SdHoareTripleChecker+Invalid, 391 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 378 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-17 04:25:38,255 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [357 Valid, 319 Invalid, 391 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 378 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-17 04:25:38,256 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2300 states. [2024-11-17 04:25:38,394 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2300 to 2000. [2024-11-17 04:25:38,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2000 states, 1796 states have (on average 1.227728285077951) internal successors, (2205), 1818 states have internal predecessors, (2205), 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) [2024-11-17 04:25:38,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2000 states to 2000 states and 2563 transitions. [2024-11-17 04:25:38,399 INFO L78 Accepts]: Start accepts. Automaton has 2000 states and 2563 transitions. Word has length 141 [2024-11-17 04:25:38,399 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:25:38,399 INFO L471 AbstractCegarLoop]: Abstraction has 2000 states and 2563 transitions. [2024-11-17 04:25:38,399 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 11.25) internal successors, (90), 8 states have internal predecessors, (90), 6 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 5 states have call predecessors, (12), 6 states have call successors, (12) [2024-11-17 04:25:38,399 INFO L276 IsEmpty]: Start isEmpty. Operand 2000 states and 2563 transitions. [2024-11-17 04:25:38,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2024-11-17 04:25:38,400 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:25:38,400 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:25:38,413 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (49)] Forceful destruction successful, exit code 0 [2024-11-17 04:25:38,600 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 49 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable54 [2024-11-17 04:25:38,601 INFO L396 AbstractCegarLoop]: === Iteration 56 === Targeting ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-17 04:25:38,601 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:25:38,601 INFO L85 PathProgramCache]: Analyzing trace with hash 310116618, now seen corresponding path program 1 times [2024-11-17 04:25:38,601 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:25:38,601 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1146963596] [2024-11-17 04:25:38,601 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:25:38,602 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:25:38,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:25:38,612 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2121285549] [2024-11-17 04:25:38,612 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:25:38,612 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:25:38,612 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:25:38,614 INFO L229 MonitoredProcess]: Starting monitored process 50 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 04:25:38,615 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (50)] Waiting until timeout for monitored process [2024-11-17 04:25:38,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:25:38,658 INFO L255 TraceCheckSpWp]: Trace formula consists of 231 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-17 04:25:38,659 INFO L278 TraceCheckSpWp]: Computing forward predicates...