./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/nla-digbench-scaling/divbin_unwindbound50.i --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/divbin_unwindbound50.i -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 462bdab67ac93ddd789186f30bfdfc189629d2959c27ec219da5960b800d2042 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-17 04:23:46,225 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-17 04:23:46,277 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-17 04:23:46,284 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-17 04:23:46,284 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-17 04:23:46,316 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-17 04:23:46,316 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-17 04:23:46,317 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-17 04:23:46,317 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-17 04:23:46,321 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-17 04:23:46,321 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-17 04:23:46,322 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-17 04:23:46,322 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-17 04:23:46,322 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-17 04:23:46,323 INFO L153 SettingsManager]: * Use SBE=true [2024-11-17 04:23:46,323 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-17 04:23:46,323 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-17 04:23:46,323 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-17 04:23:46,326 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-17 04:23:46,326 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-17 04:23:46,327 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-17 04:23:46,327 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-17 04:23:46,328 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-17 04:23:46,328 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-17 04:23:46,328 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-17 04:23:46,328 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-17 04:23:46,328 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-17 04:23:46,329 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-17 04:23:46,329 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-17 04:23:46,329 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-17 04:23:46,329 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-17 04:23:46,330 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-17 04:23:46,330 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-17 04:23:46,330 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-17 04:23:46,330 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-17 04:23:46,330 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-17 04:23:46,331 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-17 04:23:46,331 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-17 04:23:46,331 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-17 04:23:46,331 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-17 04:23:46,332 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-17 04:23:46,332 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-17 04:23:46,333 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-17 04:23:46,333 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-17 04:23:46,333 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 462bdab67ac93ddd789186f30bfdfc189629d2959c27ec219da5960b800d2042 [2024-11-17 04:23:46,591 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-17 04:23:46,617 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-17 04:23:46,620 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-17 04:23:46,621 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-17 04:23:46,622 INFO L274 PluginConnector]: CDTParser initialized [2024-11-17 04:23:46,623 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench-scaling/divbin_unwindbound50.i [2024-11-17 04:23:48,156 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-17 04:23:48,340 INFO L384 CDTParser]: Found 1 translation units. [2024-11-17 04:23:48,340 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/divbin_unwindbound50.i [2024-11-17 04:23:48,348 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/321996bcd/3bd0677dd0da4397ae1e1be57870fec9/FLAG7253cd77a [2024-11-17 04:23:48,360 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/321996bcd/3bd0677dd0da4397ae1e1be57870fec9 [2024-11-17 04:23:48,362 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-17 04:23:48,363 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-17 04:23:48,365 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-17 04:23:48,365 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-17 04:23:48,370 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-17 04:23:48,371 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 04:23:48" (1/1) ... [2024-11-17 04:23:48,371 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@455b9b85 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:23:48, skipping insertion in model container [2024-11-17 04:23:48,372 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 04:23:48" (1/1) ... [2024-11-17 04:23:48,390 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-17 04:23:48,606 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-17 04:23:48,616 INFO L200 MainTranslator]: Completed pre-run [2024-11-17 04:23:48,638 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-17 04:23:48,657 INFO L204 MainTranslator]: Completed translation [2024-11-17 04:23:48,658 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:23:48 WrapperNode [2024-11-17 04:23:48,658 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-17 04:23:48,659 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-17 04:23:48,659 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-17 04:23:48,659 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-17 04:23:48,666 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:23:48" (1/1) ... [2024-11-17 04:23:48,672 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:23:48" (1/1) ... [2024-11-17 04:23:48,689 INFO L138 Inliner]: procedures = 16, calls = 11, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 64 [2024-11-17 04:23:48,691 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-17 04:23:48,692 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-17 04:23:48,692 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-17 04:23:48,692 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-17 04:23:48,702 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:23:48" (1/1) ... [2024-11-17 04:23:48,702 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:23:48" (1/1) ... [2024-11-17 04:23:48,704 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:23:48" (1/1) ... [2024-11-17 04:23:48,714 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 04:23:48,715 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:23:48" (1/1) ... [2024-11-17 04:23:48,715 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:23:48" (1/1) ... [2024-11-17 04:23:48,717 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:23:48" (1/1) ... [2024-11-17 04:23:48,718 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:23:48" (1/1) ... [2024-11-17 04:23:48,718 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:23:48" (1/1) ... [2024-11-17 04:23:48,719 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:23:48" (1/1) ... [2024-11-17 04:23:48,720 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-17 04:23:48,723 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-17 04:23:48,723 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-17 04:23:48,723 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-17 04:23:48,724 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:23:48" (1/1) ... [2024-11-17 04:23:48,729 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-17 04:23:48,739 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:23:48,756 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 04:23:48,760 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 04:23:48,800 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-17 04:23:48,800 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-17 04:23:48,801 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-17 04:23:48,801 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-17 04:23:48,801 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-17 04:23:48,801 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-17 04:23:48,801 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-17 04:23:48,801 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-17 04:23:48,854 INFO L256 CfgBuilder]: Building ICFG [2024-11-17 04:23:48,857 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-17 04:23:49,033 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-11-17 04:23:49,036 INFO L307 CfgBuilder]: Performing block encoding [2024-11-17 04:23:49,050 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-17 04:23:49,050 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-17 04:23:49,051 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 04:23:49 BoogieIcfgContainer [2024-11-17 04:23:49,051 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-17 04:23:49,053 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-17 04:23:49,054 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-17 04:23:49,057 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-17 04:23:49,058 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.11 04:23:48" (1/3) ... [2024-11-17 04:23:49,059 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a470b5c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 04:23:49, skipping insertion in model container [2024-11-17 04:23:49,059 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:23:48" (2/3) ... [2024-11-17 04:23:49,061 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a470b5c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 04:23:49, skipping insertion in model container [2024-11-17 04:23:49,061 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 04:23:49" (3/3) ... [2024-11-17 04:23:49,062 INFO L112 eAbstractionObserver]: Analyzing ICFG divbin_unwindbound50.i [2024-11-17 04:23:49,077 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-17 04:23:49,077 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2024-11-17 04:23:49,130 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-17 04:23:49,136 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;@3d55b973, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-17 04:23:49,137 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-11-17 04:23:49,141 INFO L276 IsEmpty]: Start isEmpty. Operand has 39 states, 28 states have (on average 1.5) internal successors, (42), 32 states have internal predecessors, (42), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-17 04:23:49,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-17 04:23:49,148 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:23:49,149 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:23:49,149 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-17 04:23:49,154 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:23:49,155 INFO L85 PathProgramCache]: Analyzing trace with hash 1639212164, now seen corresponding path program 1 times [2024-11-17 04:23:49,167 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:23:49,167 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [188523852] [2024-11-17 04:23:49,168 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:23:49,169 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:23:49,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:23:49,319 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-17 04:23:49,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:23:49,332 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-17 04:23:49,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:23:49,346 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-17 04:23:49,347 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:23:49,347 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [188523852] [2024-11-17 04:23:49,348 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [188523852] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:23:49,348 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:23:49,349 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-17 04:23:49,350 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1104063686] [2024-11-17 04:23:49,351 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:23:49,357 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-17 04:23:49,358 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:23:49,383 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-17 04:23:49,384 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-17 04:23:49,387 INFO L87 Difference]: Start difference. First operand has 39 states, 28 states have (on average 1.5) internal successors, (42), 32 states have internal predecessors, (42), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Second operand has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-17 04:23:49,408 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:23:49,409 INFO L93 Difference]: Finished difference Result 74 states and 99 transitions. [2024-11-17 04:23:49,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-17 04:23:49,412 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 15 [2024-11-17 04:23:49,412 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:23:49,418 INFO L225 Difference]: With dead ends: 74 [2024-11-17 04:23:49,418 INFO L226 Difference]: Without dead ends: 31 [2024-11-17 04:23:49,422 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-17 04:23:49,425 INFO L432 NwaCegarLoop]: 44 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, 44 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 04:23:49,428 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-17 04:23:49,444 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2024-11-17 04:23:49,463 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2024-11-17 04:23:49,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31 states, 22 states have (on average 1.3181818181818181) internal successors, (29), 25 states have internal predecessors, (29), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-17 04:23:49,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 35 transitions. [2024-11-17 04:23:49,467 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 35 transitions. Word has length 15 [2024-11-17 04:23:49,468 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:23:49,468 INFO L471 AbstractCegarLoop]: Abstraction has 31 states and 35 transitions. [2024-11-17 04:23:49,468 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-17 04:23:49,468 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 35 transitions. [2024-11-17 04:23:49,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-17 04:23:49,469 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:23:49,470 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:23:49,470 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-17 04:23:49,470 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-17 04:23:49,471 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:23:49,471 INFO L85 PathProgramCache]: Analyzing trace with hash -129110044, now seen corresponding path program 1 times [2024-11-17 04:23:49,471 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:23:49,472 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1271724916] [2024-11-17 04:23:49,472 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:23:49,472 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:23:49,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:23:49,585 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-17 04:23:49,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:23:49,599 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-17 04:23:49,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:23:49,623 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-17 04:23:49,652 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:23:49,655 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1271724916] [2024-11-17 04:23:49,656 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1271724916] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:23:49,657 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:23:49,657 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-17 04:23:49,658 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1494372852] [2024-11-17 04:23:49,658 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:23:49,659 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 04:23:49,661 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:23:49,662 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 04:23:49,664 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-17 04:23:49,664 INFO L87 Difference]: Start difference. First operand 31 states and 35 transitions. Second operand has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-17 04:23:49,723 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:23:49,743 INFO L93 Difference]: Finished difference Result 37 states and 41 transitions. [2024-11-17 04:23:49,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 04:23:49,752 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 15 [2024-11-17 04:23:49,752 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:23:49,753 INFO L225 Difference]: With dead ends: 37 [2024-11-17 04:23:49,753 INFO L226 Difference]: Without dead ends: 36 [2024-11-17 04:23:49,753 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-17 04:23:49,755 INFO L432 NwaCegarLoop]: 26 mSDtfsCounter, 21 mSDsluCounter, 38 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 64 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-17 04:23:49,756 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 64 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-17 04:23:49,758 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2024-11-17 04:23:49,764 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 30. [2024-11-17 04:23:49,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30 states, 22 states have (on average 1.2727272727272727) internal successors, (28), 24 states have internal predecessors, (28), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-17 04:23:49,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 34 transitions. [2024-11-17 04:23:49,770 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 34 transitions. Word has length 15 [2024-11-17 04:23:49,771 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:23:49,772 INFO L471 AbstractCegarLoop]: Abstraction has 30 states and 34 transitions. [2024-11-17 04:23:49,773 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-17 04:23:49,773 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 34 transitions. [2024-11-17 04:23:49,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-17 04:23:49,775 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:23:49,775 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:23:49,776 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-17 04:23:49,776 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-17 04:23:49,777 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:23:49,778 INFO L85 PathProgramCache]: Analyzing trace with hash 292555929, now seen corresponding path program 1 times [2024-11-17 04:23:49,778 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:23:49,778 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1302899559] [2024-11-17 04:23:49,779 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:23:49,779 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:23:49,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:23:49,886 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-17 04:23:49,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:23:49,900 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-17 04:23:49,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:23:49,910 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-17 04:23:49,912 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:23:49,912 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1302899559] [2024-11-17 04:23:49,912 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1302899559] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:23:49,912 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:23:49,912 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-17 04:23:49,913 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2099361228] [2024-11-17 04:23:49,913 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:23:49,914 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 04:23:49,915 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:23:49,915 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 04:23:49,916 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-17 04:23:49,916 INFO L87 Difference]: Start difference. First operand 30 states and 34 transitions. Second operand has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-17 04:23:49,965 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:23:49,965 INFO L93 Difference]: Finished difference Result 50 states and 56 transitions. [2024-11-17 04:23:49,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-17 04:23:49,966 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 16 [2024-11-17 04:23:49,966 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:23:49,968 INFO L225 Difference]: With dead ends: 50 [2024-11-17 04:23:49,968 INFO L226 Difference]: Without dead ends: 35 [2024-11-17 04:23:49,969 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-17 04:23:49,971 INFO L432 NwaCegarLoop]: 29 mSDtfsCounter, 10 mSDsluCounter, 45 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 74 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-17 04:23:49,974 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 74 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-17 04:23:49,975 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2024-11-17 04:23:49,982 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2024-11-17 04:23:49,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35 states, 27 states have (on average 1.2222222222222223) internal successors, (33), 29 states have internal predecessors, (33), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-17 04:23:49,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 39 transitions. [2024-11-17 04:23:49,984 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 39 transitions. Word has length 16 [2024-11-17 04:23:49,984 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:23:49,985 INFO L471 AbstractCegarLoop]: Abstraction has 35 states and 39 transitions. [2024-11-17 04:23:49,985 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-17 04:23:49,985 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 39 transitions. [2024-11-17 04:23:49,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-17 04:23:49,992 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:23:49,992 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:23:49,992 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-17 04:23:49,992 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-17 04:23:49,993 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:23:49,993 INFO L85 PathProgramCache]: Analyzing trace with hash -745397283, now seen corresponding path program 1 times [2024-11-17 04:23:49,994 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:23:49,994 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [459078838] [2024-11-17 04:23:49,994 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:23:49,994 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:23:50,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:23:50,114 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-17 04:23:50,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:23:50,132 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-17 04:23:50,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:23:50,151 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-17 04:23:50,151 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:23:50,152 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [459078838] [2024-11-17 04:23:50,152 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [459078838] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:23:50,152 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:23:50,152 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-17 04:23:50,155 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [611581490] [2024-11-17 04:23:50,155 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:23:50,156 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-17 04:23:50,158 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:23:50,159 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-17 04:23:50,159 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-17 04:23:50,159 INFO L87 Difference]: Start difference. First operand 35 states and 39 transitions. Second operand has 6 states, 5 states have (on average 2.8) internal successors, (14), 6 states have internal predecessors, (14), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-17 04:23:50,279 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:23:50,279 INFO L93 Difference]: Finished difference Result 35 states and 39 transitions. [2024-11-17 04:23:50,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-17 04:23:50,280 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 2.8) internal successors, (14), 6 states have internal predecessors, (14), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 21 [2024-11-17 04:23:50,281 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:23:50,281 INFO L225 Difference]: With dead ends: 35 [2024-11-17 04:23:50,281 INFO L226 Difference]: Without dead ends: 34 [2024-11-17 04:23:50,282 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2024-11-17 04:23:50,283 INFO L432 NwaCegarLoop]: 20 mSDtfsCounter, 45 mSDsluCounter, 43 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 45 SdHoareTripleChecker+Valid, 63 SdHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 04:23:50,283 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [45 Valid, 63 Invalid, 53 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 04:23:50,284 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2024-11-17 04:23:50,288 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 34. [2024-11-17 04:23:50,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34 states, 27 states have (on average 1.1851851851851851) internal successors, (32), 28 states have internal predecessors, (32), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-17 04:23:50,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 38 transitions. [2024-11-17 04:23:50,289 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 38 transitions. Word has length 21 [2024-11-17 04:23:50,289 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:23:50,290 INFO L471 AbstractCegarLoop]: Abstraction has 34 states and 38 transitions. [2024-11-17 04:23:50,290 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 2.8) internal successors, (14), 6 states have internal predecessors, (14), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-17 04:23:50,290 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 38 transitions. [2024-11-17 04:23:50,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-17 04:23:50,291 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:23:50,291 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:23:50,291 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-17 04:23:50,291 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-17 04:23:50,292 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:23:50,292 INFO L85 PathProgramCache]: Analyzing trace with hash -1632479309, now seen corresponding path program 1 times [2024-11-17 04:23:50,292 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:23:50,292 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [788837197] [2024-11-17 04:23:50,292 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:23:50,293 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:23:50,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:23:50,393 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-17 04:23:50,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:23:50,403 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-17 04:23:50,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:23:50,411 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-17 04:23:50,411 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:23:50,412 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [788837197] [2024-11-17 04:23:50,412 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [788837197] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:23:50,414 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:23:50,414 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-17 04:23:50,415 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [252721022] [2024-11-17 04:23:50,415 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:23:50,415 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-17 04:23:50,415 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:23:50,416 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-17 04:23:50,416 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-17 04:23:50,417 INFO L87 Difference]: Start difference. First operand 34 states and 38 transitions. Second operand has 6 states, 5 states have (on average 3.0) internal successors, (15), 6 states have internal predecessors, (15), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-17 04:23:50,496 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:23:50,496 INFO L93 Difference]: Finished difference Result 46 states and 51 transitions. [2024-11-17 04:23:50,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-17 04:23:50,497 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 3.0) internal successors, (15), 6 states have internal predecessors, (15), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 22 [2024-11-17 04:23:50,497 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:23:50,498 INFO L225 Difference]: With dead ends: 46 [2024-11-17 04:23:50,498 INFO L226 Difference]: Without dead ends: 45 [2024-11-17 04:23:50,499 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-11-17 04:23:50,500 INFO L432 NwaCegarLoop]: 23 mSDtfsCounter, 19 mSDsluCounter, 74 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 97 SdHoareTripleChecker+Invalid, 48 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-17 04:23:50,500 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 97 Invalid, 48 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-17 04:23:50,501 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2024-11-17 04:23:50,505 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 38. [2024-11-17 04:23:50,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38 states, 31 states have (on average 1.1935483870967742) internal successors, (37), 32 states have internal predecessors, (37), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-17 04:23:50,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 43 transitions. [2024-11-17 04:23:50,506 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 43 transitions. Word has length 22 [2024-11-17 04:23:50,506 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:23:50,507 INFO L471 AbstractCegarLoop]: Abstraction has 38 states and 43 transitions. [2024-11-17 04:23:50,507 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 3.0) internal successors, (15), 6 states have internal predecessors, (15), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-17 04:23:50,507 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 43 transitions. [2024-11-17 04:23:50,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-17 04:23:50,508 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:23:50,508 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:23:50,508 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-17 04:23:50,508 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-17 04:23:50,509 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:23:50,509 INFO L85 PathProgramCache]: Analyzing trace with hash -1632406818, now seen corresponding path program 1 times [2024-11-17 04:23:50,509 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:23:50,509 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2074748368] [2024-11-17 04:23:50,509 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:23:50,510 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:23:50,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:23:50,586 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-17 04:23:50,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:23:50,594 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-17 04:23:50,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:23:50,608 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-17 04:23:50,608 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:23:50,608 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2074748368] [2024-11-17 04:23:50,608 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2074748368] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:23:50,609 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [673882095] [2024-11-17 04:23:50,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:23:50,609 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:23:50,609 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:23:50,613 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 04:23:50,615 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 04:23:50,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:23:50,665 INFO L255 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-17 04:23:50,670 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:23:50,732 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-17 04:23:50,732 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 04:23:50,733 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [673882095] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:23:50,733 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-17 04:23:50,733 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 8 [2024-11-17 04:23:50,733 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1323273227] [2024-11-17 04:23:50,733 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:23:50,734 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-17 04:23:50,734 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:23:50,734 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-17 04:23:50,735 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-17 04:23:50,735 INFO L87 Difference]: Start difference. First operand 38 states and 43 transitions. Second operand has 5 states, 4 states have (on average 3.75) internal successors, (15), 5 states have internal predecessors, (15), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-17 04:23:50,782 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:23:50,782 INFO L93 Difference]: Finished difference Result 43 states and 48 transitions. [2024-11-17 04:23:50,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-17 04:23:50,783 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 3.75) internal successors, (15), 5 states have internal predecessors, (15), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 22 [2024-11-17 04:23:50,783 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:23:50,784 INFO L225 Difference]: With dead ends: 43 [2024-11-17 04:23:50,784 INFO L226 Difference]: Without dead ends: 42 [2024-11-17 04:23:50,784 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2024-11-17 04:23:50,786 INFO L432 NwaCegarLoop]: 26 mSDtfsCounter, 21 mSDsluCounter, 56 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 82 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-17 04:23:50,786 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 82 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-17 04:23:50,789 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2024-11-17 04:23:50,795 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 37. [2024-11-17 04:23:50,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37 states, 31 states have (on average 1.1612903225806452) internal successors, (36), 31 states have internal predecessors, (36), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-17 04:23:50,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 42 transitions. [2024-11-17 04:23:50,798 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 42 transitions. Word has length 22 [2024-11-17 04:23:50,798 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:23:50,798 INFO L471 AbstractCegarLoop]: Abstraction has 37 states and 42 transitions. [2024-11-17 04:23:50,799 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 3.75) internal successors, (15), 5 states have internal predecessors, (15), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-17 04:23:50,799 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 42 transitions. [2024-11-17 04:23:50,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-17 04:23:50,800 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:23:50,801 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:23:50,819 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-17 04:23:51,001 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2024-11-17 04:23:51,002 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-17 04:23:51,002 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:23:51,002 INFO L85 PathProgramCache]: Analyzing trace with hash -1673764650, now seen corresponding path program 1 times [2024-11-17 04:23:51,002 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:23:51,002 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1677919003] [2024-11-17 04:23:51,003 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:23:51,003 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:23:51,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:23:51,135 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-17 04:23:51,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:23:51,142 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-17 04:23:51,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:23:51,152 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-17 04:23:51,152 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:23:51,152 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1677919003] [2024-11-17 04:23:51,155 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1677919003] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:23:51,155 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [498548427] [2024-11-17 04:23:51,155 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:23:51,155 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:23:51,155 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:23:51,158 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 04:23:51,161 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 04:23:51,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:23:51,205 INFO L255 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-17 04:23:51,207 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:23:51,259 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-17 04:23:51,259 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:23:51,338 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-17 04:23:51,338 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [498548427] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 04:23:51,338 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 04:23:51,339 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 6] total 10 [2024-11-17 04:23:51,339 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [460539060] [2024-11-17 04:23:51,339 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 04:23:51,339 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-17 04:23:51,339 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:23:51,340 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-17 04:23:51,340 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2024-11-17 04:23:51,340 INFO L87 Difference]: Start difference. First operand 37 states and 42 transitions. Second operand has 10 states, 10 states have (on average 3.7) internal successors, (37), 10 states have internal predecessors, (37), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-17 04:23:51,476 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:23:51,476 INFO L93 Difference]: Finished difference Result 78 states and 89 transitions. [2024-11-17 04:23:51,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-17 04:23:51,477 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 3.7) internal successors, (37), 10 states have internal predecessors, (37), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 27 [2024-11-17 04:23:51,477 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:23:51,478 INFO L225 Difference]: With dead ends: 78 [2024-11-17 04:23:51,478 INFO L226 Difference]: Without dead ends: 65 [2024-11-17 04:23:51,478 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=99, Invalid=173, Unknown=0, NotChecked=0, Total=272 [2024-11-17 04:23:51,479 INFO L432 NwaCegarLoop]: 26 mSDtfsCounter, 38 mSDsluCounter, 148 mSDsCounter, 0 mSdLazyCounter, 63 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 38 SdHoareTripleChecker+Valid, 174 SdHoareTripleChecker+Invalid, 64 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 63 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 04:23:51,479 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [38 Valid, 174 Invalid, 64 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 63 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 04:23:51,480 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2024-11-17 04:23:51,489 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 54. [2024-11-17 04:23:51,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54 states, 48 states have (on average 1.1458333333333333) internal successors, (55), 48 states have internal predecessors, (55), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-17 04:23:51,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 61 transitions. [2024-11-17 04:23:51,490 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 61 transitions. Word has length 27 [2024-11-17 04:23:51,490 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:23:51,491 INFO L471 AbstractCegarLoop]: Abstraction has 54 states and 61 transitions. [2024-11-17 04:23:51,491 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 3.7) internal successors, (37), 10 states have internal predecessors, (37), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-17 04:23:51,491 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 61 transitions. [2024-11-17 04:23:51,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-17 04:23:51,491 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:23:51,492 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:23:51,508 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 04:23:51,692 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2024-11-17 04:23:51,693 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-17 04:23:51,693 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:23:51,693 INFO L85 PathProgramCache]: Analyzing trace with hash -346081736, now seen corresponding path program 1 times [2024-11-17 04:23:51,693 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:23:51,693 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1828875643] [2024-11-17 04:23:51,693 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:23:51,694 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:23:51,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:23:51,794 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-17 04:23:51,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:23:51,799 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-17 04:23:51,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:23:51,803 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-17 04:23:51,803 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:23:51,803 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1828875643] [2024-11-17 04:23:51,804 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1828875643] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:23:51,804 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [136767787] [2024-11-17 04:23:51,804 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:23:51,804 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:23:51,804 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:23:51,806 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 04:23:51,811 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 04:23:51,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:23:51,854 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-17 04:23:51,856 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:23:51,930 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-17 04:23:51,931 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:23:52,035 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-17 04:23:52,036 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [136767787] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 04:23:52,036 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 04:23:52,036 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6, 6] total 17 [2024-11-17 04:23:52,037 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1318367364] [2024-11-17 04:23:52,037 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 04:23:52,037 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-17 04:23:52,037 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:23:52,038 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-17 04:23:52,038 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=236, Unknown=0, NotChecked=0, Total=306 [2024-11-17 04:23:52,038 INFO L87 Difference]: Start difference. First operand 54 states and 61 transitions. Second operand has 18 states, 17 states have (on average 3.0) internal successors, (51), 18 states have internal predecessors, (51), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-17 04:23:52,367 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:23:52,367 INFO L93 Difference]: Finished difference Result 88 states and 100 transitions. [2024-11-17 04:23:52,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-11-17 04:23:52,368 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 3.0) internal successors, (51), 18 states have internal predecessors, (51), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 28 [2024-11-17 04:23:52,368 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:23:52,369 INFO L225 Difference]: With dead ends: 88 [2024-11-17 04:23:52,369 INFO L226 Difference]: Without dead ends: 87 [2024-11-17 04:23:52,370 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 141 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=259, Invalid=733, Unknown=0, NotChecked=0, Total=992 [2024-11-17 04:23:52,371 INFO L432 NwaCegarLoop]: 21 mSDtfsCounter, 152 mSDsluCounter, 137 mSDsCounter, 0 mSdLazyCounter, 130 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 152 SdHoareTripleChecker+Valid, 158 SdHoareTripleChecker+Invalid, 155 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 130 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 04:23:52,371 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [152 Valid, 158 Invalid, 155 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 130 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 04:23:52,376 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2024-11-17 04:23:52,391 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 78. [2024-11-17 04:23:52,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78 states, 68 states have (on average 1.1323529411764706) internal successors, (77), 68 states have internal predecessors, (77), 5 states have call successors, (5), 4 states have call predecessors, (5), 4 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-17 04:23:52,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 87 transitions. [2024-11-17 04:23:52,394 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 87 transitions. Word has length 28 [2024-11-17 04:23:52,394 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:23:52,394 INFO L471 AbstractCegarLoop]: Abstraction has 78 states and 87 transitions. [2024-11-17 04:23:52,394 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 3.0) internal successors, (51), 18 states have internal predecessors, (51), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-17 04:23:52,395 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 87 transitions. [2024-11-17 04:23:52,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2024-11-17 04:23:52,396 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:23:52,396 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:23:52,414 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-17 04:23:52,596 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:23:52,597 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-17 04:23:52,597 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:23:52,598 INFO L85 PathProgramCache]: Analyzing trace with hash 566896391, now seen corresponding path program 1 times [2024-11-17 04:23:52,598 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:23:52,598 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1729577770] [2024-11-17 04:23:52,598 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:23:52,598 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:23:52,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:23:52,810 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-17 04:23:52,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:23:52,815 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-17 04:23:52,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:23:52,818 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-17 04:23:52,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:23:52,822 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-17 04:23:52,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:23:52,827 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-17 04:23:52,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:23:52,837 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-17 04:23:52,840 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:23:52,840 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1729577770] [2024-11-17 04:23:52,840 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1729577770] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:23:52,840 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [717569675] [2024-11-17 04:23:52,841 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:23:52,841 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:23:52,841 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:23:52,843 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 04:23:52,844 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 04:23:52,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:23:52,900 INFO L255 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-17 04:23:52,902 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:23:53,108 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-17 04:23:53,109 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:23:53,363 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-17 04:23:53,363 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [717569675] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 04:23:53,364 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 04:23:53,364 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 10, 10] total 29 [2024-11-17 04:23:53,364 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [11259329] [2024-11-17 04:23:53,364 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 04:23:53,365 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2024-11-17 04:23:53,365 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:23:53,366 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2024-11-17 04:23:53,370 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=212, Invalid=658, Unknown=0, NotChecked=0, Total=870 [2024-11-17 04:23:53,371 INFO L87 Difference]: Start difference. First operand 78 states and 87 transitions. Second operand has 30 states, 29 states have (on average 3.7241379310344827) internal successors, (108), 30 states have internal predecessors, (108), 11 states have call successors, (13), 4 states have call predecessors, (13), 4 states have return successors, (13), 11 states have call predecessors, (13), 11 states have call successors, (13) [2024-11-17 04:23:53,996 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:23:53,997 INFO L93 Difference]: Finished difference Result 245 states and 275 transitions. [2024-11-17 04:23:53,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2024-11-17 04:23:53,997 INFO L78 Accepts]: Start accepts. Automaton has has 30 states, 29 states have (on average 3.7241379310344827) internal successors, (108), 30 states have internal predecessors, (108), 11 states have call successors, (13), 4 states have call predecessors, (13), 4 states have return successors, (13), 11 states have call predecessors, (13), 11 states have call successors, (13) Word has length 58 [2024-11-17 04:23:53,998 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:23:53,999 INFO L225 Difference]: With dead ends: 245 [2024-11-17 04:23:53,999 INFO L226 Difference]: Without dead ends: 244 [2024-11-17 04:23:54,004 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 161 GetRequests, 106 SyntacticMatches, 0 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 599 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=896, Invalid=2296, Unknown=0, NotChecked=0, Total=3192 [2024-11-17 04:23:54,005 INFO L432 NwaCegarLoop]: 21 mSDtfsCounter, 210 mSDsluCounter, 199 mSDsCounter, 0 mSdLazyCounter, 237 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 210 SdHoareTripleChecker+Valid, 220 SdHoareTripleChecker+Invalid, 252 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 237 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-17 04:23:54,005 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [210 Valid, 220 Invalid, 252 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 237 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-17 04:23:54,006 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 244 states. [2024-11-17 04:23:54,032 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 244 to 186. [2024-11-17 04:23:54,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 186 states, 158 states have (on average 1.1139240506329113) internal successors, (176), 158 states have internal predecessors, (176), 14 states have call successors, (14), 13 states have call predecessors, (14), 13 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-17 04:23:54,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 186 states and 204 transitions. [2024-11-17 04:23:54,033 INFO L78 Accepts]: Start accepts. Automaton has 186 states and 204 transitions. Word has length 58 [2024-11-17 04:23:54,034 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:23:54,034 INFO L471 AbstractCegarLoop]: Abstraction has 186 states and 204 transitions. [2024-11-17 04:23:54,034 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 29 states have (on average 3.7241379310344827) internal successors, (108), 30 states have internal predecessors, (108), 11 states have call successors, (13), 4 states have call predecessors, (13), 4 states have return successors, (13), 11 states have call predecessors, (13), 11 states have call successors, (13) [2024-11-17 04:23:54,034 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 204 transitions. [2024-11-17 04:23:54,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2024-11-17 04:23:54,038 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:23:54,038 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:23:54,054 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 04:23:54,238 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:23:54,239 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-17 04:23:54,239 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:23:54,239 INFO L85 PathProgramCache]: Analyzing trace with hash 369847839, now seen corresponding path program 1 times [2024-11-17 04:23:54,239 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:23:54,239 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [266141841] [2024-11-17 04:23:54,239 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:23:54,240 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:23:54,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:23:54,439 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-17 04:23:54,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:23:54,444 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-17 04:23:54,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:23:54,447 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-17 04:23:54,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:23:54,450 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-17 04:23:54,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:23:54,452 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-17 04:23:54,452 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:23:54,453 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [266141841] [2024-11-17 04:23:54,453 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [266141841] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:23:54,453 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [176233700] [2024-11-17 04:23:54,453 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:23:54,453 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:23:54,453 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:23:54,455 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 04:23:54,456 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 04:23:54,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:23:54,508 INFO L255 TraceCheckSpWp]: Trace formula consists of 147 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-17 04:23:54,510 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:23:54,568 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-17 04:23:54,569 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:23:54,743 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-17 04:23:54,743 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [176233700] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 04:23:54,743 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 04:23:54,743 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 11, 12] total 22 [2024-11-17 04:23:54,743 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1625927388] [2024-11-17 04:23:54,743 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 04:23:54,744 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2024-11-17 04:23:54,744 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:23:54,745 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2024-11-17 04:23:54,745 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=131, Invalid=331, Unknown=0, NotChecked=0, Total=462 [2024-11-17 04:23:54,745 INFO L87 Difference]: Start difference. First operand 186 states and 204 transitions. Second operand has 22 states, 22 states have (on average 3.8181818181818183) internal successors, (84), 22 states have internal predecessors, (84), 3 states have call successors, (8), 3 states have call predecessors, (8), 3 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-11-17 04:23:55,072 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:23:55,072 INFO L93 Difference]: Finished difference Result 282 states and 314 transitions. [2024-11-17 04:23:55,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-11-17 04:23:55,073 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 3.8181818181818183) internal successors, (84), 22 states have internal predecessors, (84), 3 states have call successors, (8), 3 states have call predecessors, (8), 3 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) Word has length 69 [2024-11-17 04:23:55,073 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:23:55,075 INFO L225 Difference]: With dead ends: 282 [2024-11-17 04:23:55,075 INFO L226 Difference]: Without dead ends: 254 [2024-11-17 04:23:55,076 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 174 GetRequests, 135 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 289 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=549, Invalid=1091, Unknown=0, NotChecked=0, Total=1640 [2024-11-17 04:23:55,077 INFO L432 NwaCegarLoop]: 26 mSDtfsCounter, 182 mSDsluCounter, 175 mSDsCounter, 0 mSdLazyCounter, 125 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 182 SdHoareTripleChecker+Valid, 201 SdHoareTripleChecker+Invalid, 126 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 125 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 04:23:55,077 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [182 Valid, 201 Invalid, 126 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 125 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 04:23:55,078 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 254 states. [2024-11-17 04:23:55,090 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 254 to 222. [2024-11-17 04:23:55,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 222 states, 194 states have (on average 1.1237113402061856) internal successors, (218), 194 states have internal predecessors, (218), 14 states have call successors, (14), 13 states have call predecessors, (14), 13 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-17 04:23:55,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 222 states and 246 transitions. [2024-11-17 04:23:55,092 INFO L78 Accepts]: Start accepts. Automaton has 222 states and 246 transitions. Word has length 69 [2024-11-17 04:23:55,093 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:23:55,093 INFO L471 AbstractCegarLoop]: Abstraction has 222 states and 246 transitions. [2024-11-17 04:23:55,093 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 3.8181818181818183) internal successors, (84), 22 states have internal predecessors, (84), 3 states have call successors, (8), 3 states have call predecessors, (8), 3 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-11-17 04:23:55,093 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 246 transitions. [2024-11-17 04:23:55,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2024-11-17 04:23:55,097 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:23:55,097 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 11, 10, 10, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:23:55,119 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-11-17 04:23:55,298 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-11-17 04:23:55,298 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-17 04:23:55,299 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:23:55,299 INFO L85 PathProgramCache]: Analyzing trace with hash 670161793, now seen corresponding path program 2 times [2024-11-17 04:23:55,299 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:23:55,299 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [934224062] [2024-11-17 04:23:55,299 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:23:55,299 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:23:55,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:23:55,803 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-17 04:23:55,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:23:55,807 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-17 04:23:55,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:23:55,810 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-17 04:23:55,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:23:55,813 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-17 04:23:55,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:23:55,815 INFO L134 CoverageAnalysis]: Checked inductivity of 342 backedges. 0 proven. 320 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-17 04:23:55,815 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:23:55,815 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [934224062] [2024-11-17 04:23:55,815 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [934224062] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:23:55,815 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [744936380] [2024-11-17 04:23:55,815 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-17 04:23:55,816 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:23:55,816 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:23:55,817 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 04:23:55,820 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 04:23:55,907 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-17 04:23:55,908 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-17 04:23:55,909 INFO L255 TraceCheckSpWp]: Trace formula consists of 207 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-17 04:23:55,912 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:23:56,020 INFO L134 CoverageAnalysis]: Checked inductivity of 342 backedges. 0 proven. 320 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-17 04:23:56,023 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:23:56,597 INFO L134 CoverageAnalysis]: Checked inductivity of 342 backedges. 0 proven. 320 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-17 04:23:56,598 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [744936380] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 04:23:56,598 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 04:23:56,598 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 23, 24] total 46 [2024-11-17 04:23:56,598 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1382471560] [2024-11-17 04:23:56,598 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 04:23:56,599 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 46 states [2024-11-17 04:23:56,599 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:23:56,600 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 46 interpolants. [2024-11-17 04:23:56,601 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=551, Invalid=1519, Unknown=0, NotChecked=0, Total=2070 [2024-11-17 04:23:56,601 INFO L87 Difference]: Start difference. First operand 222 states and 246 transitions. Second operand has 46 states, 46 states have (on average 3.391304347826087) internal successors, (156), 46 states have internal predecessors, (156), 3 states have call successors, (8), 3 states have call predecessors, (8), 3 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-11-17 04:23:57,817 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:23:57,817 INFO L93 Difference]: Finished difference Result 402 states and 452 transitions. [2024-11-17 04:23:57,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2024-11-17 04:23:57,818 INFO L78 Accepts]: Start accepts. Automaton has has 46 states, 46 states have (on average 3.391304347826087) internal successors, (156), 46 states have internal predecessors, (156), 3 states have call successors, (8), 3 states have call predecessors, (8), 3 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) Word has length 105 [2024-11-17 04:23:57,818 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:23:57,820 INFO L225 Difference]: With dead ends: 402 [2024-11-17 04:23:57,820 INFO L226 Difference]: Without dead ends: 374 [2024-11-17 04:23:57,823 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 282 GetRequests, 195 SyntacticMatches, 0 SemanticMatches, 87 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1615 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=2529, Invalid=5303, Unknown=0, NotChecked=0, Total=7832 [2024-11-17 04:23:57,824 INFO L432 NwaCegarLoop]: 26 mSDtfsCounter, 420 mSDsluCounter, 306 mSDsCounter, 0 mSdLazyCounter, 258 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 420 SdHoareTripleChecker+Valid, 332 SdHoareTripleChecker+Invalid, 259 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 258 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-17 04:23:57,824 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [420 Valid, 332 Invalid, 259 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 258 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-17 04:23:57,825 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 374 states. [2024-11-17 04:23:57,839 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 374 to 294. [2024-11-17 04:23:57,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 294 states, 266 states have (on average 1.1353383458646618) internal successors, (302), 266 states have internal predecessors, (302), 14 states have call successors, (14), 13 states have call predecessors, (14), 13 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-17 04:23:57,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 294 states and 330 transitions. [2024-11-17 04:23:57,841 INFO L78 Accepts]: Start accepts. Automaton has 294 states and 330 transitions. Word has length 105 [2024-11-17 04:23:57,841 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:23:57,841 INFO L471 AbstractCegarLoop]: Abstraction has 294 states and 330 transitions. [2024-11-17 04:23:57,842 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 46 states, 46 states have (on average 3.391304347826087) internal successors, (156), 46 states have internal predecessors, (156), 3 states have call successors, (8), 3 states have call predecessors, (8), 3 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-11-17 04:23:57,842 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 330 transitions. [2024-11-17 04:23:57,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-11-17 04:23:57,843 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:23:57,843 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:23:57,860 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-17 04:23:58,044 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:23:58,044 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-17 04:23:58,045 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:23:58,045 INFO L85 PathProgramCache]: Analyzing trace with hash -403989736, now seen corresponding path program 1 times [2024-11-17 04:23:58,045 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:23:58,045 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1996288982] [2024-11-17 04:23:58,045 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:23:58,045 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:23:58,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:23:58,657 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-17 04:23:58,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:23:58,662 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-17 04:23:58,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:23:58,665 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-17 04:23:58,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:23:58,669 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-17 04:23:58,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:23:58,675 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-17 04:23:58,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:23:58,679 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-17 04:23:58,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:23:58,682 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-17 04:23:58,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:23:58,686 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-17 04:23:58,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:23:58,690 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-17 04:23:58,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:23:58,694 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-17 04:23:58,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:23:58,698 INFO L134 CoverageAnalysis]: Checked inductivity of 370 backedges. 0 proven. 254 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2024-11-17 04:23:58,698 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:23:58,698 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1996288982] [2024-11-17 04:23:58,698 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1996288982] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:23:58,699 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [367697299] [2024-11-17 04:23:58,699 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:23:58,699 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:23:58,699 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:23:58,701 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 04:23:58,702 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 04:23:58,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:23:58,806 INFO L255 TraceCheckSpWp]: Trace formula consists of 274 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-17 04:23:58,809 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:23:59,395 INFO L134 CoverageAnalysis]: Checked inductivity of 370 backedges. 4 proven. 362 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-17 04:23:59,396 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:24:00,209 INFO L134 CoverageAnalysis]: Checked inductivity of 370 backedges. 4 proven. 250 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2024-11-17 04:24:00,209 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [367697299] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 04:24:00,209 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 04:24:00,210 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 22, 22] total 65 [2024-11-17 04:24:00,210 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1085655756] [2024-11-17 04:24:00,210 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 04:24:00,210 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 66 states [2024-11-17 04:24:00,211 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:24:00,212 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 66 interpolants. [2024-11-17 04:24:00,214 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=974, Invalid=3316, Unknown=0, NotChecked=0, Total=4290 [2024-11-17 04:24:00,214 INFO L87 Difference]: Start difference. First operand 294 states and 330 transitions. Second operand has 66 states, 65 states have (on average 3.7846153846153845) internal successors, (246), 66 states have internal predecessors, (246), 26 states have call successors, (28), 9 states have call predecessors, (28), 9 states have return successors, (28), 26 states have call predecessors, (28), 26 states have call successors, (28) [2024-11-17 04:24:01,982 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:24:01,982 INFO L93 Difference]: Finished difference Result 713 states and 801 transitions. [2024-11-17 04:24:01,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 95 states. [2024-11-17 04:24:01,983 INFO L78 Accepts]: Start accepts. Automaton has has 66 states, 65 states have (on average 3.7846153846153845) internal successors, (246), 66 states have internal predecessors, (246), 26 states have call successors, (28), 9 states have call predecessors, (28), 9 states have return successors, (28), 26 states have call predecessors, (28), 26 states have call successors, (28) Word has length 124 [2024-11-17 04:24:01,983 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:24:01,988 INFO L225 Difference]: With dead ends: 713 [2024-11-17 04:24:01,988 INFO L226 Difference]: Without dead ends: 712 [2024-11-17 04:24:01,991 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 350 GetRequests, 224 SyntacticMatches, 0 SemanticMatches, 126 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3641 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=4499, Invalid=11757, Unknown=0, NotChecked=0, Total=16256 [2024-11-17 04:24:01,992 INFO L432 NwaCegarLoop]: 21 mSDtfsCounter, 556 mSDsluCounter, 395 mSDsCounter, 0 mSdLazyCounter, 478 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 556 SdHoareTripleChecker+Valid, 416 SdHoareTripleChecker+Invalid, 520 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 478 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-17 04:24:01,992 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [556 Valid, 416 Invalid, 520 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 478 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-17 04:24:01,993 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 712 states. [2024-11-17 04:24:02,015 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 712 to 474. [2024-11-17 04:24:02,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 474 states, 416 states have (on average 1.1225961538461537) internal successors, (467), 416 states have internal predecessors, (467), 29 states have call successors, (29), 28 states have call predecessors, (29), 28 states have return successors, (29), 29 states have call predecessors, (29), 29 states have call successors, (29) [2024-11-17 04:24:02,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 474 states to 474 states and 525 transitions. [2024-11-17 04:24:02,019 INFO L78 Accepts]: Start accepts. Automaton has 474 states and 525 transitions. Word has length 124 [2024-11-17 04:24:02,019 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:24:02,019 INFO L471 AbstractCegarLoop]: Abstraction has 474 states and 525 transitions. [2024-11-17 04:24:02,020 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 66 states, 65 states have (on average 3.7846153846153845) internal successors, (246), 66 states have internal predecessors, (246), 26 states have call successors, (28), 9 states have call predecessors, (28), 9 states have return successors, (28), 26 states have call predecessors, (28), 26 states have call successors, (28) [2024-11-17 04:24:02,021 INFO L276 IsEmpty]: Start isEmpty. Operand 474 states and 525 transitions. [2024-11-17 04:24:02,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2024-11-17 04:24:02,025 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:24:02,025 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:24:02,038 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-11-17 04:24:02,226 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:24:02,227 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-17 04:24:02,227 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:24:02,227 INFO L85 PathProgramCache]: Analyzing trace with hash 1025443061, now seen corresponding path program 2 times [2024-11-17 04:24:02,228 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:24:02,228 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [4898715] [2024-11-17 04:24:02,228 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:24:02,228 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:24:02,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:24:03,947 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-17 04:24:03,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:24:03,951 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-17 04:24:03,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:24:03,954 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-17 04:24:03,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:24:03,957 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-17 04:24:03,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:24:03,960 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-17 04:24:03,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:24:03,962 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-17 04:24:03,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:24:03,965 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-17 04:24:03,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:24:03,977 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-17 04:24:03,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:24:03,982 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-17 04:24:03,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:24:03,985 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-17 04:24:03,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:24:03,988 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-17 04:24:03,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:24:03,993 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-17 04:24:03,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:24:03,997 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-17 04:24:03,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:24:04,000 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-11-17 04:24:04,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:24:04,004 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2024-11-17 04:24:04,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:24:04,007 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-17 04:24:04,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:24:04,011 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2024-11-17 04:24:04,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:24:04,014 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-11-17 04:24:04,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:24:04,018 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2024-11-17 04:24:04,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:24:04,022 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2024-11-17 04:24:04,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:24:04,028 INFO L134 CoverageAnalysis]: Checked inductivity of 1912 backedges. 0 proven. 1296 refuted. 0 times theorem prover too weak. 616 trivial. 0 not checked. [2024-11-17 04:24:04,029 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:24:04,029 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [4898715] [2024-11-17 04:24:04,029 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [4898715] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:24:04,029 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1588278790] [2024-11-17 04:24:04,029 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-17 04:24:04,029 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:24:04,029 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:24:04,031 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 04:24:04,032 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 04:24:04,161 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-17 04:24:04,161 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-17 04:24:04,165 INFO L255 TraceCheckSpWp]: Trace formula consists of 544 conjuncts, 45 conjuncts are in the unsatisfiable core [2024-11-17 04:24:04,170 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:24:04,460 INFO L134 CoverageAnalysis]: Checked inductivity of 1912 backedges. 0 proven. 1908 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-17 04:24:04,460 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:24:05,950 INFO L134 CoverageAnalysis]: Checked inductivity of 1912 backedges. 0 proven. 1296 refuted. 0 times theorem prover too weak. 616 trivial. 0 not checked. [2024-11-17 04:24:05,951 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1588278790] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 04:24:05,951 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 04:24:05,951 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [45, 44, 45] total 89 [2024-11-17 04:24:05,951 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [654821347] [2024-11-17 04:24:05,951 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 04:24:05,952 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 90 states [2024-11-17 04:24:05,953 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:24:05,954 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 90 interpolants. [2024-11-17 04:24:05,956 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1841, Invalid=6169, Unknown=0, NotChecked=0, Total=8010 [2024-11-17 04:24:05,956 INFO L87 Difference]: Start difference. First operand 474 states and 525 transitions. Second operand has 90 states, 89 states have (on average 4.078651685393258) internal successors, (363), 90 states have internal predecessors, (363), 38 states have call successors, (60), 20 states have call predecessors, (60), 20 states have return successors, (60), 38 states have call predecessors, (60), 38 states have call successors, (60) [2024-11-17 04:24:08,691 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:24:08,691 INFO L93 Difference]: Finished difference Result 1349 states and 1490 transitions. [2024-11-17 04:24:08,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 139 states. [2024-11-17 04:24:08,693 INFO L78 Accepts]: Start accepts. Automaton has has 90 states, 89 states have (on average 4.078651685393258) internal successors, (363), 90 states have internal predecessors, (363), 38 states have call successors, (60), 20 states have call predecessors, (60), 20 states have return successors, (60), 38 states have call predecessors, (60), 38 states have call successors, (60) Word has length 250 [2024-11-17 04:24:08,693 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:24:08,698 INFO L225 Difference]: With dead ends: 1349 [2024-11-17 04:24:08,698 INFO L226 Difference]: Without dead ends: 1348 [2024-11-17 04:24:08,703 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 674 GetRequests, 494 SyntacticMatches, 0 SemanticMatches, 180 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8593 ImplicationChecksByTransitivity, 3.8s TimeCoverageRelationStatistics Valid=9010, Invalid=23932, Unknown=0, NotChecked=0, Total=32942 [2024-11-17 04:24:08,704 INFO L432 NwaCegarLoop]: 22 mSDtfsCounter, 1138 mSDsluCounter, 398 mSDsCounter, 0 mSdLazyCounter, 603 mSolverCounterSat, 55 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1138 SdHoareTripleChecker+Valid, 420 SdHoareTripleChecker+Invalid, 658 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 55 IncrementalHoareTripleChecker+Valid, 603 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-17 04:24:08,704 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1138 Valid, 420 Invalid, 658 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [55 Valid, 603 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-17 04:24:08,706 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1348 states. [2024-11-17 04:24:08,737 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1348 to 606. [2024-11-17 04:24:08,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 606 states, 526 states have (on average 1.11787072243346) internal successors, (588), 526 states have internal predecessors, (588), 40 states have call successors, (40), 39 states have call predecessors, (40), 39 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2024-11-17 04:24:08,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 606 states to 606 states and 668 transitions. [2024-11-17 04:24:08,740 INFO L78 Accepts]: Start accepts. Automaton has 606 states and 668 transitions. Word has length 250 [2024-11-17 04:24:08,741 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:24:08,741 INFO L471 AbstractCegarLoop]: Abstraction has 606 states and 668 transitions. [2024-11-17 04:24:08,742 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 90 states, 89 states have (on average 4.078651685393258) internal successors, (363), 90 states have internal predecessors, (363), 38 states have call successors, (60), 20 states have call predecessors, (60), 20 states have return successors, (60), 38 states have call predecessors, (60), 38 states have call successors, (60) [2024-11-17 04:24:08,742 INFO L276 IsEmpty]: Start isEmpty. Operand 606 states and 668 transitions. [2024-11-17 04:24:08,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2024-11-17 04:24:08,745 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:24:08,745 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 4, 4, 4, 4, 4, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:24:08,763 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 04:24:08,949 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2024-11-17 04:24:08,950 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-17 04:24:08,950 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:24:08,950 INFO L85 PathProgramCache]: Analyzing trace with hash 761211286, now seen corresponding path program 3 times [2024-11-17 04:24:08,950 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:24:08,951 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1286522897] [2024-11-17 04:24:08,951 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:24:08,951 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:24:09,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:24:10,835 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-17 04:24:10,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:24:10,838 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-17 04:24:10,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:24:10,842 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-17 04:24:10,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:24:10,845 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-17 04:24:10,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:24:10,847 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-17 04:24:10,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:24:10,850 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-17 04:24:10,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:24:10,853 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-17 04:24:10,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:24:10,855 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-17 04:24:10,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:24:10,858 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-17 04:24:10,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:24:10,862 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-17 04:24:10,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:24:10,864 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-17 04:24:10,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:24:10,867 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-17 04:24:10,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:24:10,870 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-11-17 04:24:10,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:24:10,873 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-11-17 04:24:10,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:24:10,876 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-17 04:24:10,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:24:10,878 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2024-11-17 04:24:10,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:24:10,881 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-11-17 04:24:10,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:24:10,884 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2024-11-17 04:24:10,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:24:10,886 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2024-11-17 04:24:10,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:24:10,889 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2024-11-17 04:24:10,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:24:10,891 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2024-11-17 04:24:10,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:24:10,895 INFO L134 CoverageAnalysis]: Checked inductivity of 2149 backedges. 0 proven. 1461 refuted. 0 times theorem prover too weak. 688 trivial. 0 not checked. [2024-11-17 04:24:10,895 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:24:10,895 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1286522897] [2024-11-17 04:24:10,895 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1286522897] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:24:10,895 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [885728706] [2024-11-17 04:24:10,895 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-17 04:24:10,895 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:24:10,895 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:24:10,897 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 04:24:10,898 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 04:24:10,965 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-11-17 04:24:10,965 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-17 04:24:10,966 INFO L255 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-17 04:24:10,970 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:24:11,080 INFO L134 CoverageAnalysis]: Checked inductivity of 2149 backedges. 201 proven. 0 refuted. 0 times theorem prover too weak. 1948 trivial. 0 not checked. [2024-11-17 04:24:11,080 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 04:24:11,080 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [885728706] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:24:11,080 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-17 04:24:11,080 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [49] total 52 [2024-11-17 04:24:11,080 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [284360950] [2024-11-17 04:24:11,080 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:24:11,081 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-17 04:24:11,081 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:24:11,081 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-17 04:24:11,082 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=619, Invalid=2137, Unknown=0, NotChecked=0, Total=2756 [2024-11-17 04:24:11,082 INFO L87 Difference]: Start difference. First operand 606 states and 668 transitions. Second operand has 5 states, 4 states have (on average 8.25) internal successors, (33), 5 states have internal predecessors, (33), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-17 04:24:11,182 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:24:11,182 INFO L93 Difference]: Finished difference Result 616 states and 678 transitions. [2024-11-17 04:24:11,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-17 04:24:11,183 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 8.25) internal successors, (33), 5 states have internal predecessors, (33), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 268 [2024-11-17 04:24:11,184 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:24:11,184 INFO L225 Difference]: With dead ends: 616 [2024-11-17 04:24:11,184 INFO L226 Difference]: Without dead ends: 0 [2024-11-17 04:24:11,186 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 359 GetRequests, 306 SyntacticMatches, 0 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 665 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=629, Invalid=2341, Unknown=0, NotChecked=0, Total=2970 [2024-11-17 04:24:11,187 INFO L432 NwaCegarLoop]: 26 mSDtfsCounter, 20 mSDsluCounter, 46 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 72 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-17 04:24:11,187 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 72 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-17 04:24:11,189 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-17 04:24:11,189 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-17 04:24:11,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 04:24:11,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-17 04:24:11,190 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 268 [2024-11-17 04:24:11,190 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:24:11,190 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-17 04:24:11,190 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 8.25) internal successors, (33), 5 states have internal predecessors, (33), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-17 04:24:11,190 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-17 04:24:11,190 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-17 04:24:11,193 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 4 remaining) [2024-11-17 04:24:11,193 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 4 remaining) [2024-11-17 04:24:11,193 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 4 remaining) [2024-11-17 04:24:11,194 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 4 remaining) [2024-11-17 04:24:11,210 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2024-11-17 04:24:11,394 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2024-11-17 04:24:11,399 INFO L407 BasicCegarLoop]: Path program histogram: [3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:24:11,402 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-17 04:24:20,389 WARN L286 SmtUtils]: Spent 8.95s on a formula simplification. DAG size of input: 395 DAG size of output: 114 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.or) [2024-11-17 04:24:21,415 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-17 04:24:21,431 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.11 04:24:21 BoogieIcfgContainer [2024-11-17 04:24:21,431 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-17 04:24:21,432 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-17 04:24:21,432 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-17 04:24:21,432 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-17 04:24:21,432 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 04:23:49" (3/4) ... [2024-11-17 04:24:21,435 INFO L143 WitnessPrinter]: Generating witness for correct program [2024-11-17 04:24:21,438 INFO L393 IcfgBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2024-11-17 04:24:21,438 INFO L393 IcfgBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2024-11-17 04:24:21,443 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2024-11-17 04:24:21,443 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-17 04:24:21,443 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-17 04:24:21,443 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-17 04:24:21,513 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-17 04:24:21,513 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-17 04:24:21,513 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-17 04:24:21,514 INFO L158 Benchmark]: Toolchain (without parser) took 33150.62ms. Allocated memory was 138.4MB in the beginning and 906.0MB in the end (delta: 767.6MB). Free memory was 100.5MB in the beginning and 459.9MB in the end (delta: -359.5MB). Peak memory consumption was 407.4MB. Max. memory is 16.1GB. [2024-11-17 04:24:21,514 INFO L158 Benchmark]: CDTParser took 0.99ms. Allocated memory is still 109.1MB. Free memory is still 68.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-17 04:24:21,515 INFO L158 Benchmark]: CACSL2BoogieTranslator took 293.41ms. Allocated memory is still 138.4MB. Free memory was 100.1MB in the beginning and 87.9MB in the end (delta: 12.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-17 04:24:21,515 INFO L158 Benchmark]: Boogie Procedure Inliner took 32.32ms. Allocated memory is still 138.4MB. Free memory was 87.9MB in the beginning and 86.1MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-17 04:24:21,515 INFO L158 Benchmark]: Boogie Preprocessor took 29.08ms. Allocated memory is still 138.4MB. Free memory was 86.1MB in the beginning and 84.8MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-17 04:24:21,516 INFO L158 Benchmark]: IcfgBuilder took 328.01ms. Allocated memory is still 138.4MB. Free memory was 84.4MB in the beginning and 72.2MB in the end (delta: 12.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-17 04:24:21,516 INFO L158 Benchmark]: TraceAbstraction took 32377.83ms. Allocated memory was 138.4MB in the beginning and 906.0MB in the end (delta: 767.6MB). Free memory was 71.6MB in the beginning and 465.2MB in the end (delta: -393.6MB). Peak memory consumption was 508.1MB. Max. memory is 16.1GB. [2024-11-17 04:24:21,516 INFO L158 Benchmark]: Witness Printer took 81.88ms. Allocated memory is still 906.0MB. Free memory was 465.2MB in the beginning and 459.9MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-17 04:24:21,518 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.99ms. Allocated memory is still 109.1MB. Free memory is still 68.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 293.41ms. Allocated memory is still 138.4MB. Free memory was 100.1MB in the beginning and 87.9MB in the end (delta: 12.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 32.32ms. Allocated memory is still 138.4MB. Free memory was 87.9MB in the beginning and 86.1MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 29.08ms. Allocated memory is still 138.4MB. Free memory was 86.1MB in the beginning and 84.8MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 328.01ms. Allocated memory is still 138.4MB. Free memory was 84.4MB in the beginning and 72.2MB in the end (delta: 12.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 32377.83ms. Allocated memory was 138.4MB in the beginning and 906.0MB in the end (delta: 767.6MB). Free memory was 71.6MB in the beginning and 465.2MB in the end (delta: -393.6MB). Peak memory consumption was 508.1MB. Max. memory is 16.1GB. * Witness Printer took 81.88ms. Allocated memory is still 906.0MB. Free memory was 465.2MB in the beginning and 459.9MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 40]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 40]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 36]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 36]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 39 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 22.3s, OverallIterations: 14, TraceHistogramMax: 20, PathProgramHistogramMax: 3, EmptinessCheckTime: 0.0s, AutomataDifference: 7.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2832 SdHoareTripleChecker+Valid, 1.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2832 mSDsluCounter, 2417 SdHoareTripleChecker+Invalid, 1.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2060 mSDsCounter, 150 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2086 IncrementalHoareTripleChecker+Invalid, 2236 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 150 mSolverCounterUnsat, 357 mSDtfsCounter, 2086 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2221 GetRequests, 1607 SyntacticMatches, 0 SemanticMatches, 614 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15588 ImplicationChecksByTransitivity, 10.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=606occurred in iteration=13, InterpolantAutomatonStates: 452, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 14 MinimizatonAttempts, 1188 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 11.0s InterpolantComputationTime, 1991 NumberOfCodeBlocks, 1763 NumberOfCodeBlocksAsserted, 26 NumberOfCheckSat, 2622 ConstructedInterpolants, 0 QuantifiedInterpolants, 5894 SizeOfPredicates, 107 NumberOfNonLiveVariables, 1587 ConjunctsInSsa, 130 ConjunctsInUnsatCore, 30 InterpolantComputations, 7 PerfectInterpolantSequences, 4548/12642 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold - InvariantResult [Line: 36]: Location Invariant Derived location invariant: null - InvariantResult [Line: 26]: Location Invariant Derived location invariant: ((1 <= counter) && (counter <= 2147483629)) - ProcedureContractResult [Line: 15]: Procedure Contract for assume_abort_if_not Derived contract for procedure assume_abort_if_not. Requires: (counter == 0) Ensures: ((counter == 0) && (counter == \old(counter))) - ProcedureContractResult [Line: 18]: Procedure Contract for __VERIFIER_assert Derived contract for procedure __VERIFIER_assert. Ensures: (counter == \old(counter)) RESULT: Ultimate proved your program to be correct! [2024-11-17 04:24:21,547 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE