./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/nla-digbench-scaling/divbin2_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/divbin2_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 5b0ae54926d75c04421ee4ea5930c958fb8ba0ccacc4d56435da8ae7b298172d --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-17 04:23:27,310 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-17 04:23:27,370 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-17 04:23:27,375 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-17 04:23:27,377 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-17 04:23:27,402 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-17 04:23:27,402 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-17 04:23:27,402 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-17 04:23:27,403 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-17 04:23:27,404 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-17 04:23:27,405 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-17 04:23:27,405 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-17 04:23:27,405 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-17 04:23:27,405 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-17 04:23:27,407 INFO L153 SettingsManager]: * Use SBE=true [2024-11-17 04:23:27,407 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-17 04:23:27,407 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-17 04:23:27,407 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-17 04:23:27,408 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-17 04:23:27,408 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-17 04:23:27,410 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-17 04:23:27,411 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-17 04:23:27,411 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-17 04:23:27,411 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-17 04:23:27,412 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-17 04:23:27,412 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-17 04:23:27,412 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-17 04:23:27,412 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-17 04:23:27,412 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-17 04:23:27,413 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-17 04:23:27,413 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-17 04:23:27,413 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-17 04:23:27,413 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-17 04:23:27,413 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-17 04:23:27,413 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-17 04:23:27,414 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-17 04:23:27,414 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-17 04:23:27,414 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-17 04:23:27,414 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-17 04:23:27,414 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-17 04:23:27,414 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-17 04:23:27,416 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-17 04:23:27,416 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-17 04:23:27,416 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-17 04:23:27,416 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5b0ae54926d75c04421ee4ea5930c958fb8ba0ccacc4d56435da8ae7b298172d [2024-11-17 04:23:27,608 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-17 04:23:27,630 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-17 04:23:27,632 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-17 04:23:27,633 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-17 04:23:27,633 INFO L274 PluginConnector]: CDTParser initialized [2024-11-17 04:23:27,634 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench-scaling/divbin2_unwindbound50.i [2024-11-17 04:23:28,970 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-17 04:23:29,209 INFO L384 CDTParser]: Found 1 translation units. [2024-11-17 04:23:29,209 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/divbin2_unwindbound50.i [2024-11-17 04:23:29,216 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/57d95205c/3e3decf7e645412d8b72a39cdf63a52c/FLAGb4ae8119a [2024-11-17 04:23:29,570 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/57d95205c/3e3decf7e645412d8b72a39cdf63a52c [2024-11-17 04:23:29,573 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-17 04:23:29,574 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-17 04:23:29,575 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-17 04:23:29,575 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-17 04:23:29,579 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-17 04:23:29,580 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 04:23:29" (1/1) ... [2024-11-17 04:23:29,580 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@9851ea4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:23:29, skipping insertion in model container [2024-11-17 04:23:29,580 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 04:23:29" (1/1) ... [2024-11-17 04:23:29,595 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-17 04:23:29,772 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-17 04:23:29,781 INFO L200 MainTranslator]: Completed pre-run [2024-11-17 04:23:29,797 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-17 04:23:29,812 INFO L204 MainTranslator]: Completed translation [2024-11-17 04:23:29,813 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:23:29 WrapperNode [2024-11-17 04:23:29,815 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-17 04:23:29,816 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-17 04:23:29,816 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-17 04:23:29,817 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-17 04:23:29,822 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:23:29" (1/1) ... [2024-11-17 04:23:29,828 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:23:29" (1/1) ... [2024-11-17 04:23:29,841 INFO L138 Inliner]: procedures = 16, calls = 9, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 60 [2024-11-17 04:23:29,842 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-17 04:23:29,842 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-17 04:23:29,843 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-17 04:23:29,843 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-17 04:23:29,850 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:23:29" (1/1) ... [2024-11-17 04:23:29,851 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:23:29" (1/1) ... [2024-11-17 04:23:29,852 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:23:29" (1/1) ... [2024-11-17 04:23:29,863 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 04:23:29,863 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:23:29" (1/1) ... [2024-11-17 04:23:29,863 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:23:29" (1/1) ... [2024-11-17 04:23:29,866 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:23:29" (1/1) ... [2024-11-17 04:23:29,866 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:23:29" (1/1) ... [2024-11-17 04:23:29,867 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:23:29" (1/1) ... [2024-11-17 04:23:29,867 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:23:29" (1/1) ... [2024-11-17 04:23:29,868 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-17 04:23:29,870 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-17 04:23:29,870 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-17 04:23:29,870 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-17 04:23:29,870 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:23:29" (1/1) ... [2024-11-17 04:23:29,875 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-17 04:23:29,883 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:23:29,901 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 04:23:29,914 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 04:23:29,951 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-17 04:23:29,952 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-17 04:23:29,952 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-17 04:23:29,952 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-17 04:23:29,952 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-17 04:23:29,952 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-17 04:23:30,043 INFO L256 CfgBuilder]: Building ICFG [2024-11-17 04:23:30,055 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-17 04:23:30,262 INFO L? ?]: Removed 9 outVars from TransFormulas that were not future-live. [2024-11-17 04:23:30,262 INFO L307 CfgBuilder]: Performing block encoding [2024-11-17 04:23:30,275 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-17 04:23:30,276 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-17 04:23:30,276 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 04:23:30 BoogieIcfgContainer [2024-11-17 04:23:30,276 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-17 04:23:30,278 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-17 04:23:30,279 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-17 04:23:30,282 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-17 04:23:30,282 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.11 04:23:29" (1/3) ... [2024-11-17 04:23:30,283 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27af33f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 04:23:30, skipping insertion in model container [2024-11-17 04:23:30,284 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:23:29" (2/3) ... [2024-11-17 04:23:30,285 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27af33f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 04:23:30, skipping insertion in model container [2024-11-17 04:23:30,285 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 04:23:30" (3/3) ... [2024-11-17 04:23:30,286 INFO L112 eAbstractionObserver]: Analyzing ICFG divbin2_unwindbound50.i [2024-11-17 04:23:30,302 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-17 04:23:30,302 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2024-11-17 04:23:30,347 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-17 04:23:30,356 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;@3ffbd52b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-17 04:23:30,356 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-11-17 04:23:30,360 INFO L276 IsEmpty]: Start isEmpty. Operand has 32 states, 24 states have (on average 1.5416666666666667) internal successors, (37), 28 states have internal predecessors, (37), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-17 04:23:30,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-17 04:23:30,365 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:23:30,365 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2024-11-17 04:23:30,366 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 04:23:30,370 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:23:30,370 INFO L85 PathProgramCache]: Analyzing trace with hash 1969119, now seen corresponding path program 1 times [2024-11-17 04:23:30,382 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:23:30,386 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [849719811] [2024-11-17 04:23:30,387 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:23:30,387 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:23:30,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:23:30,558 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:23:30,558 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:23:30,559 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [849719811] [2024-11-17 04:23:30,559 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [849719811] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:23:30,559 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:23:30,562 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-17 04:23:30,563 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1112028193] [2024-11-17 04:23:30,564 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:23:30,567 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 04:23:30,567 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:23:30,584 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 04:23:30,585 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-17 04:23:30,586 INFO L87 Difference]: Start difference. First operand has 32 states, 24 states have (on average 1.5416666666666667) internal successors, (37), 28 states have internal predecessors, (37), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 04:23:30,633 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:23:30,633 INFO L93 Difference]: Finished difference Result 59 states and 77 transitions. [2024-11-17 04:23:30,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 04:23:30,637 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2024-11-17 04:23:30,637 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:23:30,644 INFO L225 Difference]: With dead ends: 59 [2024-11-17 04:23:30,644 INFO L226 Difference]: Without dead ends: 29 [2024-11-17 04:23:30,646 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-17 04:23:30,649 INFO L432 NwaCegarLoop]: 27 mSDtfsCounter, 16 mSDsluCounter, 47 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 74 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-17 04:23:30,649 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 74 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-17 04:23:30,661 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2024-11-17 04:23:30,672 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 23. [2024-11-17 04:23:30,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23 states, 18 states have (on average 1.3333333333333333) internal successors, (24), 20 states have internal predecessors, (24), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-17 04:23:30,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 26 transitions. [2024-11-17 04:23:30,675 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 26 transitions. Word has length 4 [2024-11-17 04:23:30,675 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:23:30,675 INFO L471 AbstractCegarLoop]: Abstraction has 23 states and 26 transitions. [2024-11-17 04:23:30,676 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 04:23:30,676 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 26 transitions. [2024-11-17 04:23:30,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-17 04:23:30,677 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:23:30,677 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2024-11-17 04:23:30,677 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-17 04:23:30,677 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-17 04:23:30,678 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:23:30,678 INFO L85 PathProgramCache]: Analyzing trace with hash 61042686, now seen corresponding path program 1 times [2024-11-17 04:23:30,678 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:23:30,678 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1303665045] [2024-11-17 04:23:30,678 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:23:30,679 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:23:30,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:23:30,738 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:23:30,741 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:23:30,741 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1303665045] [2024-11-17 04:23:30,742 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1303665045] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:23:30,742 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:23:30,742 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-17 04:23:30,742 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1794884501] [2024-11-17 04:23:30,742 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:23:30,743 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 04:23:30,743 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:23:30,744 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 04:23:30,744 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-17 04:23:30,744 INFO L87 Difference]: Start difference. First operand 23 states and 26 transitions. Second operand has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 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 04:23:30,781 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:23:30,782 INFO L93 Difference]: Finished difference Result 43 states and 48 transitions. [2024-11-17 04:23:30,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-17 04:23:30,782 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2024-11-17 04:23:30,782 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:23:30,783 INFO L225 Difference]: With dead ends: 43 [2024-11-17 04:23:30,783 INFO L226 Difference]: Without dead ends: 28 [2024-11-17 04:23:30,784 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-17 04:23:30,784 INFO L432 NwaCegarLoop]: 21 mSDtfsCounter, 5 mSDsluCounter, 37 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 58 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 04:23:30,785 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 58 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-17 04:23:30,785 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states. [2024-11-17 04:23:30,792 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 28. [2024-11-17 04:23:30,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28 states, 23 states have (on average 1.2608695652173914) internal successors, (29), 25 states have internal predecessors, (29), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-17 04:23:30,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 31 transitions. [2024-11-17 04:23:30,792 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 31 transitions. Word has length 5 [2024-11-17 04:23:30,793 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:23:30,793 INFO L471 AbstractCegarLoop]: Abstraction has 28 states and 31 transitions. [2024-11-17 04:23:30,793 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 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 04:23:30,793 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 31 transitions. [2024-11-17 04:23:30,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-17 04:23:30,793 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:23:30,793 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:23:30,793 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-17 04:23:30,794 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-17 04:23:30,794 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:23:30,794 INFO L85 PathProgramCache]: Analyzing trace with hash -446818408, now seen corresponding path program 1 times [2024-11-17 04:23:30,794 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:23:30,794 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [128144562] [2024-11-17 04:23:30,794 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:23:30,795 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:23:30,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:23:30,870 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:23:30,870 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:23:30,871 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [128144562] [2024-11-17 04:23:30,871 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [128144562] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:23:30,871 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:23:30,871 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-17 04:23:30,871 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1029136863] [2024-11-17 04:23:30,871 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:23:30,872 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-17 04:23:30,872 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:23:30,872 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-17 04:23:30,872 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-17 04:23:30,873 INFO L87 Difference]: Start difference. First operand 28 states and 31 transitions. Second operand has 6 states, 5 states have (on average 2.0) internal successors, (10), 5 states have internal predecessors, (10), 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 04:23:30,918 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:23:30,918 INFO L93 Difference]: Finished difference Result 28 states and 31 transitions. [2024-11-17 04:23:30,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-17 04:23:30,919 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 2.0) internal successors, (10), 5 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2024-11-17 04:23:30,919 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:23:30,919 INFO L225 Difference]: With dead ends: 28 [2024-11-17 04:23:30,919 INFO L226 Difference]: Without dead ends: 27 [2024-11-17 04:23:30,920 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 0 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 04:23:30,920 INFO L432 NwaCegarLoop]: 12 mSDtfsCounter, 26 mSDsluCounter, 23 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 35 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-17 04:23:30,921 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 35 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-17 04:23:30,921 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2024-11-17 04:23:30,923 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2024-11-17 04:23:30,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27 states, 23 states have (on average 1.2173913043478262) internal successors, (28), 24 states have internal predecessors, (28), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-17 04:23:30,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 30 transitions. [2024-11-17 04:23:30,924 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 30 transitions. Word has length 10 [2024-11-17 04:23:30,924 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:23:30,924 INFO L471 AbstractCegarLoop]: Abstraction has 27 states and 30 transitions. [2024-11-17 04:23:30,924 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 2.0) internal successors, (10), 5 states have internal predecessors, (10), 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 04:23:30,925 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 30 transitions. [2024-11-17 04:23:30,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-17 04:23:30,925 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:23:30,925 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:23:30,925 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-17 04:23:30,925 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-17 04:23:30,926 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:23:30,926 INFO L85 PathProgramCache]: Analyzing trace with hash -966468776, now seen corresponding path program 1 times [2024-11-17 04:23:30,926 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:23:30,926 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1997041871] [2024-11-17 04:23:30,926 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:23:30,926 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:23:30,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:23:31,003 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:23:31,003 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:23:31,003 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1997041871] [2024-11-17 04:23:31,003 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1997041871] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:23:31,003 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:23:31,003 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-17 04:23:31,004 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [338032217] [2024-11-17 04:23:31,004 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:23:31,004 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-17 04:23:31,004 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:23:31,004 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-17 04:23:31,005 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-17 04:23:31,005 INFO L87 Difference]: Start difference. First operand 27 states and 30 transitions. Second operand has 6 states, 5 states have (on average 2.2) internal successors, (11), 5 states have internal predecessors, (11), 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 04:23:31,084 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:23:31,084 INFO L93 Difference]: Finished difference Result 39 states and 43 transitions. [2024-11-17 04:23:31,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-17 04:23:31,085 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 2.2) internal successors, (11), 5 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2024-11-17 04:23:31,086 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:23:31,086 INFO L225 Difference]: With dead ends: 39 [2024-11-17 04:23:31,086 INFO L226 Difference]: Without dead ends: 38 [2024-11-17 04:23:31,086 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-11-17 04:23:31,087 INFO L432 NwaCegarLoop]: 15 mSDtfsCounter, 14 mSDsluCounter, 58 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 73 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 04:23:31,088 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 73 Invalid, 48 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-17 04:23:31,089 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2024-11-17 04:23:31,091 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 31. [2024-11-17 04:23:31,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31 states, 27 states have (on average 1.2222222222222223) internal successors, (33), 28 states have internal predecessors, (33), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-17 04:23:31,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 35 transitions. [2024-11-17 04:23:31,092 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 35 transitions. Word has length 11 [2024-11-17 04:23:31,092 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:23:31,092 INFO L471 AbstractCegarLoop]: Abstraction has 31 states and 35 transitions. [2024-11-17 04:23:31,092 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 2.2) internal successors, (11), 5 states have internal predecessors, (11), 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 04:23:31,092 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 35 transitions. [2024-11-17 04:23:31,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-17 04:23:31,093 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:23:31,093 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:23:31,093 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-17 04:23:31,093 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-17 04:23:31,094 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:23:31,094 INFO L85 PathProgramCache]: Analyzing trace with hash -966396285, now seen corresponding path program 1 times [2024-11-17 04:23:31,094 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:23:31,094 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2099723559] [2024-11-17 04:23:31,094 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:23:31,094 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:23:31,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:23:31,147 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:23:31,148 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:23:31,148 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2099723559] [2024-11-17 04:23:31,148 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2099723559] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:23:31,148 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1824665575] [2024-11-17 04:23:31,148 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:23:31,148 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:23:31,148 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:23:31,153 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 04:23:31,155 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 04:23:31,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:23:31,190 INFO L255 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-17 04:23:31,192 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:23:31,243 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:23:31,246 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 04:23:31,246 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1824665575] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:23:31,246 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-17 04:23:31,246 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 8 [2024-11-17 04:23:31,247 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1433666797] [2024-11-17 04:23:31,247 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:23:31,247 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-17 04:23:31,247 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:23:31,248 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-17 04:23:31,248 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-17 04:23:31,248 INFO L87 Difference]: Start difference. First operand 31 states and 35 transitions. Second operand has 5 states, 4 states have (on average 2.75) internal successors, (11), 5 states have internal predecessors, (11), 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 04:23:31,290 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:23:31,294 INFO L93 Difference]: Finished difference Result 36 states and 40 transitions. [2024-11-17 04:23:31,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-17 04:23:31,295 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 2.75) internal successors, (11), 5 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2024-11-17 04:23:31,295 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:23:31,295 INFO L225 Difference]: With dead ends: 36 [2024-11-17 04:23:31,295 INFO L226 Difference]: Without dead ends: 35 [2024-11-17 04:23:31,296 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 7 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 04:23:31,296 INFO L432 NwaCegarLoop]: 18 mSDtfsCounter, 13 mSDsluCounter, 44 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 62 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-17 04:23:31,296 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 62 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-17 04:23:31,297 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2024-11-17 04:23:31,302 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 30. [2024-11-17 04:23:31,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30 states, 27 states have (on average 1.1851851851851851) internal successors, (32), 27 states have internal predecessors, (32), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-17 04:23:31,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 34 transitions. [2024-11-17 04:23:31,306 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 34 transitions. Word has length 11 [2024-11-17 04:23:31,306 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:23:31,307 INFO L471 AbstractCegarLoop]: Abstraction has 30 states and 34 transitions. [2024-11-17 04:23:31,307 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 2.75) internal successors, (11), 5 states have internal predecessors, (11), 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 04:23:31,307 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 34 transitions. [2024-11-17 04:23:31,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-17 04:23:31,308 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:23:31,308 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:23:31,322 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-17 04:23:31,509 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:23:31,510 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-17 04:23:31,510 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:23:31,511 INFO L85 PathProgramCache]: Analyzing trace with hash 406019153, now seen corresponding path program 1 times [2024-11-17 04:23:31,511 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:23:31,512 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [319826938] [2024-11-17 04:23:31,512 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:23:31,512 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:23:31,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:23:31,622 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:23:31,622 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:23:31,623 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [319826938] [2024-11-17 04:23:31,623 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [319826938] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:23:31,623 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1851947027] [2024-11-17 04:23:31,623 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:23:31,623 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:23:31,623 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:23:31,628 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 04:23:31,629 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-17 04:23:31,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:23:31,659 INFO L255 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-17 04:23:31,660 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:23:31,698 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:23:31,699 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:23:31,754 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:23:31,755 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1851947027] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 04:23:31,755 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 04:23:31,755 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 9 [2024-11-17 04:23:31,755 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2099128947] [2024-11-17 04:23:31,755 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 04:23:31,756 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-17 04:23:31,757 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:23:31,757 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-17 04:23:31,757 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2024-11-17 04:23:31,757 INFO L87 Difference]: Start difference. First operand 30 states and 34 transitions. Second operand has 10 states, 10 states have (on average 2.9) internal successors, (29), 9 states have internal predecessors, (29), 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 04:23:31,862 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:23:31,862 INFO L93 Difference]: Finished difference Result 71 states and 81 transitions. [2024-11-17 04:23:31,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-17 04:23:31,863 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 2.9) internal successors, (29), 9 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2024-11-17 04:23:31,863 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:23:31,863 INFO L225 Difference]: With dead ends: 71 [2024-11-17 04:23:31,863 INFO L226 Difference]: Without dead ends: 58 [2024-11-17 04:23:31,864 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 27 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 04:23:31,888 INFO L432 NwaCegarLoop]: 18 mSDtfsCounter, 45 mSDsluCounter, 74 mSDsCounter, 0 mSdLazyCounter, 54 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 45 SdHoareTripleChecker+Valid, 92 SdHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 54 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-17 04:23:31,889 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [45 Valid, 92 Invalid, 55 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 54 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-17 04:23:31,890 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2024-11-17 04:23:31,893 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 47. [2024-11-17 04:23:31,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47 states, 44 states have (on average 1.1590909090909092) internal successors, (51), 44 states have internal predecessors, (51), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-17 04:23:31,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 53 transitions. [2024-11-17 04:23:31,894 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 53 transitions. Word has length 16 [2024-11-17 04:23:31,894 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:23:31,894 INFO L471 AbstractCegarLoop]: Abstraction has 47 states and 53 transitions. [2024-11-17 04:23:31,894 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 2.9) internal successors, (29), 9 states have internal predecessors, (29), 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 04:23:31,895 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 53 transitions. [2024-11-17 04:23:31,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-17 04:23:31,895 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:23:31,895 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:23:31,908 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-17 04:23:32,095 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,SelfDestructingSolverStorable5 [2024-11-17 04:23:32,100 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 04:23:32,100 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:23:32,101 INFO L85 PathProgramCache]: Analyzing trace with hash -297293283, now seen corresponding path program 1 times [2024-11-17 04:23:32,101 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:23:32,101 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1410261493] [2024-11-17 04:23:32,101 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:23:32,101 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:23:32,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:23:32,256 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:23:32,260 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:23:32,260 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1410261493] [2024-11-17 04:23:32,260 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1410261493] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:23:32,260 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [140310914] [2024-11-17 04:23:32,260 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:23:32,261 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:23:32,261 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:23:32,262 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 04:23:32,263 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 04:23:32,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:23:32,292 INFO L255 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-17 04:23:32,293 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:23:32,403 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:23:32,403 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:23:32,474 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:23:32,475 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [140310914] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 04:23:32,475 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 04:23:32,475 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 17 [2024-11-17 04:23:32,475 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [634506560] [2024-11-17 04:23:32,475 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 04:23:32,476 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-17 04:23:32,476 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:23:32,476 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-17 04:23:32,477 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=236, Unknown=0, NotChecked=0, Total=306 [2024-11-17 04:23:32,477 INFO L87 Difference]: Start difference. First operand 47 states and 53 transitions. Second operand has 18 states, 17 states have (on average 2.7058823529411766) internal successors, (46), 18 states have internal predecessors, (46), 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 04:23:32,702 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:23:32,702 INFO L93 Difference]: Finished difference Result 81 states and 92 transitions. [2024-11-17 04:23:32,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-11-17 04:23:32,703 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 2.7058823529411766) internal successors, (46), 18 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2024-11-17 04:23:32,703 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:23:32,704 INFO L225 Difference]: With dead ends: 81 [2024-11-17 04:23:32,704 INFO L226 Difference]: Without dead ends: 80 [2024-11-17 04:23:32,704 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 22 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 04:23:32,705 INFO L432 NwaCegarLoop]: 13 mSDtfsCounter, 152 mSDsluCounter, 124 mSDsCounter, 0 mSdLazyCounter, 135 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 152 SdHoareTripleChecker+Valid, 137 SdHoareTripleChecker+Invalid, 152 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 135 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 04:23:32,705 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [152 Valid, 137 Invalid, 152 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 135 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 04:23:32,706 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2024-11-17 04:23:32,714 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 71. [2024-11-17 04:23:32,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 71 states, 64 states have (on average 1.140625) internal successors, (73), 64 states have internal predecessors, (73), 3 states have call successors, (3), 3 states have call predecessors, (3), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-17 04:23:32,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 79 transitions. [2024-11-17 04:23:32,715 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 79 transitions. Word has length 17 [2024-11-17 04:23:32,715 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:23:32,716 INFO L471 AbstractCegarLoop]: Abstraction has 71 states and 79 transitions. [2024-11-17 04:23:32,716 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 2.7058823529411766) internal successors, (46), 18 states have internal predecessors, (46), 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 04:23:32,716 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 79 transitions. [2024-11-17 04:23:32,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-17 04:23:32,717 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:23:32,717 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:23:32,729 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 04:23:32,921 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:23:32,922 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 04:23:32,922 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:23:32,923 INFO L85 PathProgramCache]: Analyzing trace with hash -1954176415, now seen corresponding path program 1 times [2024-11-17 04:23:32,923 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:23:32,923 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [296194615] [2024-11-17 04:23:32,923 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:23:32,923 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:23:32,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:23:33,061 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-17 04:23:33,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:23:33,065 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-17 04:23:33,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:23:33,069 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-17 04:23:33,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:23:33,072 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-17 04:23:33,073 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:23:33,073 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [296194615] [2024-11-17 04:23:33,073 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [296194615] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:23:33,073 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1873970474] [2024-11-17 04:23:33,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:23:33,073 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:23:33,073 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:23:33,075 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 04:23:33,076 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 04:23:33,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:23:33,113 INFO L255 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-17 04:23:33,115 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:23:33,277 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:23:33,277 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:23:33,470 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-17 04:23:33,470 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1873970474] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 04:23:33,470 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 04:23:33,471 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 10, 10] total 29 [2024-11-17 04:23:33,471 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [261368943] [2024-11-17 04:23:33,471 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 04:23:33,471 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2024-11-17 04:23:33,471 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:23:33,473 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2024-11-17 04:23:33,473 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=212, Invalid=658, Unknown=0, NotChecked=0, Total=870 [2024-11-17 04:23:33,473 INFO L87 Difference]: Start difference. First operand 71 states and 79 transitions. Second operand has 30 states, 29 states have (on average 3.5517241379310347) internal successors, (103), 30 states have internal predecessors, (103), 9 states have call successors, (9), 4 states have call predecessors, (9), 4 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-17 04:23:34,013 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:23:34,013 INFO L93 Difference]: Finished difference Result 238 states and 267 transitions. [2024-11-17 04:23:34,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2024-11-17 04:23:34,014 INFO L78 Accepts]: Start accepts. Automaton has has 30 states, 29 states have (on average 3.5517241379310347) internal successors, (103), 30 states have internal predecessors, (103), 9 states have call successors, (9), 4 states have call predecessors, (9), 4 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) Word has length 47 [2024-11-17 04:23:34,014 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:23:34,016 INFO L225 Difference]: With dead ends: 238 [2024-11-17 04:23:34,016 INFO L226 Difference]: Without dead ends: 237 [2024-11-17 04:23:34,018 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 135 GetRequests, 80 SyntacticMatches, 0 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 599 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=896, Invalid=2296, Unknown=0, NotChecked=0, Total=3192 [2024-11-17 04:23:34,018 INFO L432 NwaCegarLoop]: 13 mSDtfsCounter, 243 mSDsluCounter, 186 mSDsCounter, 0 mSdLazyCounter, 253 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 243 SdHoareTripleChecker+Valid, 199 SdHoareTripleChecker+Invalid, 273 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 253 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-17 04:23:34,019 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [243 Valid, 199 Invalid, 273 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 253 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-17 04:23:34,019 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 237 states. [2024-11-17 04:23:34,037 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 237 to 179. [2024-11-17 04:23:34,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 179 states, 154 states have (on average 1.1168831168831168) internal successors, (172), 154 states have internal predecessors, (172), 12 states have call successors, (12), 12 states have call predecessors, (12), 12 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-17 04:23:34,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 179 states and 196 transitions. [2024-11-17 04:23:34,039 INFO L78 Accepts]: Start accepts. Automaton has 179 states and 196 transitions. Word has length 47 [2024-11-17 04:23:34,039 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:23:34,039 INFO L471 AbstractCegarLoop]: Abstraction has 179 states and 196 transitions. [2024-11-17 04:23:34,039 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 29 states have (on average 3.5517241379310347) internal successors, (103), 30 states have internal predecessors, (103), 9 states have call successors, (9), 4 states have call predecessors, (9), 4 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-17 04:23:34,039 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 196 transitions. [2024-11-17 04:23:34,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2024-11-17 04:23:34,041 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:23:34,041 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1] [2024-11-17 04:23:34,054 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 04:23:34,241 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:23:34,242 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 04:23:34,243 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:23:34,243 INFO L85 PathProgramCache]: Analyzing trace with hash 542667048, now seen corresponding path program 1 times [2024-11-17 04:23:34,243 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:23:34,243 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [327248587] [2024-11-17 04:23:34,243 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:23:34,243 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:23:34,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:23:34,396 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-17 04:23:34,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:23:34,399 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-17 04:23:34,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:23:34,402 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-11-17 04:23:34,402 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:23:34,402 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [327248587] [2024-11-17 04:23:34,402 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [327248587] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:23:34,402 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [134624235] [2024-11-17 04:23:34,403 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:23:34,403 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:23:34,403 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:23:34,404 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 04:23:34,406 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 04:23:34,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:23:34,447 INFO L255 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-17 04:23:34,449 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:23:34,486 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-11-17 04:23:34,486 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:23:34,612 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-11-17 04:23:34,613 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [134624235] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 04:23:34,613 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 04:23:34,613 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 11, 12] total 22 [2024-11-17 04:23:34,613 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [29128484] [2024-11-17 04:23:34,613 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 04:23:34,617 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2024-11-17 04:23:34,617 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:23:34,618 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2024-11-17 04:23:34,618 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=131, Invalid=331, Unknown=0, NotChecked=0, Total=462 [2024-11-17 04:23:34,618 INFO L87 Difference]: Start difference. First operand 179 states and 196 transitions. Second operand has 22 states, 22 states have (on average 3.4545454545454546) internal successors, (76), 22 states have internal predecessors, (76), 1 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-17 04:23:35,010 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:23:35,011 INFO L93 Difference]: Finished difference Result 275 states and 306 transitions. [2024-11-17 04:23:35,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-11-17 04:23:35,011 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 3.4545454545454546) internal successors, (76), 22 states have internal predecessors, (76), 1 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 58 [2024-11-17 04:23:35,011 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:23:35,012 INFO L225 Difference]: With dead ends: 275 [2024-11-17 04:23:35,013 INFO L226 Difference]: Without dead ends: 247 [2024-11-17 04:23:35,013 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 109 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 04:23:35,014 INFO L432 NwaCegarLoop]: 18 mSDtfsCounter, 147 mSDsluCounter, 156 mSDsCounter, 0 mSdLazyCounter, 127 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 147 SdHoareTripleChecker+Valid, 174 SdHoareTripleChecker+Invalid, 128 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 127 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 04:23:35,014 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [147 Valid, 174 Invalid, 128 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 127 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 04:23:35,015 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 247 states. [2024-11-17 04:23:35,028 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 247 to 215. [2024-11-17 04:23:35,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 215 states, 190 states have (on average 1.1263157894736842) internal successors, (214), 190 states have internal predecessors, (214), 12 states have call successors, (12), 12 states have call predecessors, (12), 12 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-17 04:23:35,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 215 states and 238 transitions. [2024-11-17 04:23:35,030 INFO L78 Accepts]: Start accepts. Automaton has 215 states and 238 transitions. Word has length 58 [2024-11-17 04:23:35,031 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:23:35,031 INFO L471 AbstractCegarLoop]: Abstraction has 215 states and 238 transitions. [2024-11-17 04:23:35,031 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 3.4545454545454546) internal successors, (76), 22 states have internal predecessors, (76), 1 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-17 04:23:35,031 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 238 transitions. [2024-11-17 04:23:35,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-11-17 04:23:35,033 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:23:35,033 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 11, 10, 10, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1] [2024-11-17 04:23:35,047 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 04:23:35,233 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:23:35,234 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 04:23:35,235 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:23:35,235 INFO L85 PathProgramCache]: Analyzing trace with hash -407773942, now seen corresponding path program 2 times [2024-11-17 04:23:35,236 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:23:35,236 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2015711981] [2024-11-17 04:23:35,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:23:35,236 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:23:35,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:23:35,651 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-17 04:23:35,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:23:35,654 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-17 04:23:35,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:23:35,657 INFO L134 CoverageAnalysis]: Checked inductivity of 338 backedges. 0 proven. 320 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-11-17 04:23:35,659 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:23:35,659 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2015711981] [2024-11-17 04:23:35,659 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2015711981] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:23:35,659 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [427147262] [2024-11-17 04:23:35,659 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-17 04:23:35,660 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:23:35,660 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:23:35,661 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 04:23:35,665 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 04:23:35,723 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-17 04:23:35,724 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-17 04:23:35,727 INFO L255 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-17 04:23:35,729 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:23:35,809 INFO L134 CoverageAnalysis]: Checked inductivity of 338 backedges. 0 proven. 320 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-11-17 04:23:35,810 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:23:36,258 INFO L134 CoverageAnalysis]: Checked inductivity of 338 backedges. 0 proven. 320 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-11-17 04:23:36,258 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [427147262] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 04:23:36,258 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 04:23:36,258 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 23, 24] total 46 [2024-11-17 04:23:36,258 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2073408418] [2024-11-17 04:23:36,258 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 04:23:36,259 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 46 states [2024-11-17 04:23:36,259 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:23:36,259 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 46 interpolants. [2024-11-17 04:23:36,260 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=551, Invalid=1519, Unknown=0, NotChecked=0, Total=2070 [2024-11-17 04:23:36,260 INFO L87 Difference]: Start difference. First operand 215 states and 238 transitions. Second operand has 46 states, 46 states have (on average 3.217391304347826) internal successors, (148), 46 states have internal predecessors, (148), 1 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-17 04:23:37,159 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:23:37,160 INFO L93 Difference]: Finished difference Result 395 states and 444 transitions. [2024-11-17 04:23:37,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2024-11-17 04:23:37,160 INFO L78 Accepts]: Start accepts. Automaton has has 46 states, 46 states have (on average 3.217391304347826) internal successors, (148), 46 states have internal predecessors, (148), 1 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 94 [2024-11-17 04:23:37,160 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:23:37,163 INFO L225 Difference]: With dead ends: 395 [2024-11-17 04:23:37,163 INFO L226 Difference]: Without dead ends: 367 [2024-11-17 04:23:37,166 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 256 GetRequests, 169 SyntacticMatches, 0 SemanticMatches, 87 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1615 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=2529, Invalid=5303, Unknown=0, NotChecked=0, Total=7832 [2024-11-17 04:23:37,167 INFO L432 NwaCegarLoop]: 18 mSDtfsCounter, 476 mSDsluCounter, 146 mSDsCounter, 0 mSdLazyCounter, 235 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 476 SdHoareTripleChecker+Valid, 164 SdHoareTripleChecker+Invalid, 236 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 235 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 04:23:37,167 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [476 Valid, 164 Invalid, 236 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 235 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 04:23:37,168 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 367 states. [2024-11-17 04:23:37,185 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 367 to 287. [2024-11-17 04:23:37,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 287 states, 262 states have (on average 1.1374045801526718) internal successors, (298), 262 states have internal predecessors, (298), 12 states have call successors, (12), 12 states have call predecessors, (12), 12 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-17 04:23:37,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 287 states and 322 transitions. [2024-11-17 04:23:37,189 INFO L78 Accepts]: Start accepts. Automaton has 287 states and 322 transitions. Word has length 94 [2024-11-17 04:23:37,190 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:23:37,190 INFO L471 AbstractCegarLoop]: Abstraction has 287 states and 322 transitions. [2024-11-17 04:23:37,190 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 46 states, 46 states have (on average 3.217391304347826) internal successors, (148), 46 states have internal predecessors, (148), 1 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-17 04:23:37,190 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 322 transitions. [2024-11-17 04:23:37,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2024-11-17 04:23:37,191 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:23:37,191 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2024-11-17 04:23:37,209 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 04:23:37,391 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:23:37,392 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 04:23:37,393 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:23:37,393 INFO L85 PathProgramCache]: Analyzing trace with hash -1186816971, now seen corresponding path program 1 times [2024-11-17 04:23:37,393 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:23:37,393 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1587121799] [2024-11-17 04:23:37,394 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:23:37,394 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:23:37,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:23:37,942 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-17 04:23:37,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:23:37,947 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-11-17 04:23:37,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:23:37,950 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-17 04:23:37,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:23:37,953 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-17 04:23:37,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:23:37,955 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-17 04:23:37,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:23:37,958 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-17 04:23:37,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:23:37,960 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-17 04:23:37,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:23:37,962 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-17 04:23:37,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:23:37,965 INFO L134 CoverageAnalysis]: Checked inductivity of 366 backedges. 0 proven. 254 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-17 04:23:37,966 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:23:37,966 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1587121799] [2024-11-17 04:23:37,966 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1587121799] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:23:37,966 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2126806575] [2024-11-17 04:23:37,966 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:23:37,966 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:23:37,966 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:23:37,969 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 04:23:37,981 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 04:23:38,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:23:38,030 INFO L255 TraceCheckSpWp]: Trace formula consists of 257 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-17 04:23:38,033 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:23:38,766 INFO L134 CoverageAnalysis]: Checked inductivity of 366 backedges. 4 proven. 362 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:23:38,767 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:23:39,700 INFO L134 CoverageAnalysis]: Checked inductivity of 366 backedges. 4 proven. 250 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-17 04:23:39,700 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2126806575] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 04:23:39,700 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 04:23:39,700 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 22, 22] total 65 [2024-11-17 04:23:39,700 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1362077294] [2024-11-17 04:23:39,700 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 04:23:39,707 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 66 states [2024-11-17 04:23:39,707 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:23:39,708 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 66 interpolants. [2024-11-17 04:23:39,709 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=974, Invalid=3316, Unknown=0, NotChecked=0, Total=4290 [2024-11-17 04:23:39,710 INFO L87 Difference]: Start difference. First operand 287 states and 322 transitions. Second operand has 66 states, 65 states have (on average 3.707692307692308) internal successors, (241), 66 states have internal predecessors, (241), 24 states have call successors, (24), 9 states have call predecessors, (24), 9 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-11-17 04:23:41,708 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:23:41,708 INFO L93 Difference]: Finished difference Result 706 states and 793 transitions. [2024-11-17 04:23:41,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 95 states. [2024-11-17 04:23:41,709 INFO L78 Accepts]: Start accepts. Automaton has has 66 states, 65 states have (on average 3.707692307692308) internal successors, (241), 66 states have internal predecessors, (241), 24 states have call successors, (24), 9 states have call predecessors, (24), 9 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) Word has length 113 [2024-11-17 04:23:41,711 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:23:41,716 INFO L225 Difference]: With dead ends: 706 [2024-11-17 04:23:41,719 INFO L226 Difference]: Without dead ends: 705 [2024-11-17 04:23:41,722 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 324 GetRequests, 198 SyntacticMatches, 0 SemanticMatches, 126 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3641 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=4499, Invalid=11757, Unknown=0, NotChecked=0, Total=16256 [2024-11-17 04:23:41,723 INFO L432 NwaCegarLoop]: 13 mSDtfsCounter, 597 mSDsluCounter, 283 mSDsCounter, 0 mSdLazyCounter, 443 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 597 SdHoareTripleChecker+Valid, 296 SdHoareTripleChecker+Invalid, 471 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 443 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-17 04:23:41,726 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [597 Valid, 296 Invalid, 471 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 443 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-17 04:23:41,727 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 705 states. [2024-11-17 04:23:41,747 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 705 to 467. [2024-11-17 04:23:41,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 467 states, 412 states have (on average 1.1237864077669903) internal successors, (463), 412 states have internal predecessors, (463), 27 states have call successors, (27), 27 states have call predecessors, (27), 27 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-11-17 04:23:41,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 467 states to 467 states and 517 transitions. [2024-11-17 04:23:41,752 INFO L78 Accepts]: Start accepts. Automaton has 467 states and 517 transitions. Word has length 113 [2024-11-17 04:23:41,752 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:23:41,753 INFO L471 AbstractCegarLoop]: Abstraction has 467 states and 517 transitions. [2024-11-17 04:23:41,753 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 66 states, 65 states have (on average 3.707692307692308) internal successors, (241), 66 states have internal predecessors, (241), 24 states have call successors, (24), 9 states have call predecessors, (24), 9 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-11-17 04:23:41,753 INFO L276 IsEmpty]: Start isEmpty. Operand 467 states and 517 transitions. [2024-11-17 04:23:41,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2024-11-17 04:23:41,758 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:23:41,758 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1] [2024-11-17 04:23:41,772 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 04:23:41,958 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:23:41,959 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 04:23:41,959 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:23:41,959 INFO L85 PathProgramCache]: Analyzing trace with hash -569829928, now seen corresponding path program 2 times [2024-11-17 04:23:41,960 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:23:41,960 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1460324289] [2024-11-17 04:23:41,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:23:41,960 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:23:42,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:23:43,468 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-17 04:23:43,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:23:43,473 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-17 04:23:43,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:23:43,478 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-17 04:23:43,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:23:43,481 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-17 04:23:43,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:23:43,482 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-17 04:23:43,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:23:43,484 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-17 04:23:43,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:23:43,486 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-11-17 04:23:43,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:23:43,488 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-17 04:23:43,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:23:43,490 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-17 04:23:43,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:23:43,492 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-17 04:23:43,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:23:43,494 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-17 04:23:43,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:23:43,514 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-11-17 04:23:43,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:23:43,517 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-11-17 04:23:43,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:23:43,521 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-17 04:23:43,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:23:43,523 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-11-17 04:23:43,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:23:43,526 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-11-17 04:23:43,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:23:43,529 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2024-11-17 04:23:43,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:23:43,533 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2024-11-17 04:23:43,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:23:43,538 INFO L134 CoverageAnalysis]: Checked inductivity of 1908 backedges. 0 proven. 1296 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-17 04:23:43,538 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:23:43,539 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1460324289] [2024-11-17 04:23:43,539 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1460324289] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:23:43,539 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1785504052] [2024-11-17 04:23:43,539 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-17 04:23:43,539 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:23:43,539 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:23:43,543 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 04:23:43,547 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 04:23:43,651 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-17 04:23:43,652 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-17 04:23:43,654 INFO L255 TraceCheckSpWp]: Trace formula consists of 527 conjuncts, 45 conjuncts are in the unsatisfiable core [2024-11-17 04:23:43,662 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:23:43,906 INFO L134 CoverageAnalysis]: Checked inductivity of 1908 backedges. 0 proven. 1908 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:23:43,906 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:23:45,344 INFO L134 CoverageAnalysis]: Checked inductivity of 1908 backedges. 0 proven. 1296 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-17 04:23:45,344 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1785504052] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 04:23:45,344 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 04:23:45,344 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [45, 44, 45] total 89 [2024-11-17 04:23:45,345 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [397176123] [2024-11-17 04:23:45,345 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 04:23:45,345 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 90 states [2024-11-17 04:23:45,346 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:23:45,347 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 90 interpolants. [2024-11-17 04:23:45,348 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1841, Invalid=6169, Unknown=0, NotChecked=0, Total=8010 [2024-11-17 04:23:45,349 INFO L87 Difference]: Start difference. First operand 467 states and 517 transitions. Second operand has 90 states, 89 states have (on average 3.9887640449438204) internal successors, (355), 90 states have internal predecessors, (355), 36 states have call successors, (54), 19 states have call predecessors, (54), 19 states have return successors, (54), 36 states have call predecessors, (54), 36 states have call successors, (54) [2024-11-17 04:23:47,934 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:23:47,934 INFO L93 Difference]: Finished difference Result 1342 states and 1482 transitions. [2024-11-17 04:23:47,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 139 states. [2024-11-17 04:23:47,936 INFO L78 Accepts]: Start accepts. Automaton has has 90 states, 89 states have (on average 3.9887640449438204) internal successors, (355), 90 states have internal predecessors, (355), 36 states have call successors, (54), 19 states have call predecessors, (54), 19 states have return successors, (54), 36 states have call predecessors, (54), 36 states have call successors, (54) Word has length 239 [2024-11-17 04:23:47,936 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:23:47,942 INFO L225 Difference]: With dead ends: 1342 [2024-11-17 04:23:47,942 INFO L226 Difference]: Without dead ends: 1341 [2024-11-17 04:23:47,946 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 648 GetRequests, 468 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 04:23:47,947 INFO L432 NwaCegarLoop]: 14 mSDtfsCounter, 774 mSDsluCounter, 422 mSDsCounter, 0 mSdLazyCounter, 642 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 774 SdHoareTripleChecker+Valid, 436 SdHoareTripleChecker+Invalid, 677 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 642 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-17 04:23:47,947 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [774 Valid, 436 Invalid, 677 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 642 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-17 04:23:47,948 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1341 states. [2024-11-17 04:23:47,976 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1341 to 599. [2024-11-17 04:23:47,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 599 states, 522 states have (on average 1.1187739463601531) internal successors, (584), 522 states have internal predecessors, (584), 38 states have call successors, (38), 38 states have call predecessors, (38), 38 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) [2024-11-17 04:23:47,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 599 states to 599 states and 660 transitions. [2024-11-17 04:23:47,981 INFO L78 Accepts]: Start accepts. Automaton has 599 states and 660 transitions. Word has length 239 [2024-11-17 04:23:47,981 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:23:47,981 INFO L471 AbstractCegarLoop]: Abstraction has 599 states and 660 transitions. [2024-11-17 04:23:47,981 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 90 states, 89 states have (on average 3.9887640449438204) internal successors, (355), 90 states have internal predecessors, (355), 36 states have call successors, (54), 19 states have call predecessors, (54), 19 states have return successors, (54), 36 states have call predecessors, (54), 36 states have call successors, (54) [2024-11-17 04:23:47,982 INFO L276 IsEmpty]: Start isEmpty. Operand 599 states and 660 transitions. [2024-11-17 04:23:47,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 258 [2024-11-17 04:23:47,983 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:23:47,984 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 4, 4, 4, 4, 4, 3, 1, 1, 1, 1] [2024-11-17 04:23:47,997 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 04:23:48,187 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,SelfDestructingSolverStorable11 [2024-11-17 04:23:48,188 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 04:23:48,188 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:23:48,188 INFO L85 PathProgramCache]: Analyzing trace with hash 699369504, now seen corresponding path program 3 times [2024-11-17 04:23:48,188 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:23:48,188 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1404390733] [2024-11-17 04:23:48,188 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:23:48,189 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:23:48,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:23:49,591 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-11-17 04:23:49,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:23:49,595 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-17 04:23:49,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:23:49,603 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-17 04:23:49,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:23:49,605 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-17 04:23:49,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:23:49,607 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-17 04:23:49,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:23:49,610 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-17 04:23:49,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:23:49,612 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-17 04:23:49,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:23:49,613 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-17 04:23:49,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:23:49,615 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-17 04:23:49,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:23:49,617 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-17 04:23:49,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:23:49,618 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-11-17 04:23:49,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:23:49,620 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-11-17 04:23:49,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:23:49,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-17 04:23:49,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:23:49,624 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-11-17 04:23:49,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:23:49,626 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-11-17 04:23:49,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:23:49,628 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-11-17 04:23:49,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:23:49,630 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2024-11-17 04:23:49,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:23:49,633 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2024-11-17 04:23:49,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:23:49,636 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2024-11-17 04:23:49,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:23:49,639 INFO L134 CoverageAnalysis]: Checked inductivity of 2145 backedges. 0 proven. 1461 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-17 04:23:49,639 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:23:49,639 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1404390733] [2024-11-17 04:23:49,639 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1404390733] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:23:49,639 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1679901034] [2024-11-17 04:23:49,639 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-17 04:23:49,640 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:23:49,640 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:23:49,641 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 04:23:49,642 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 04:23:49,689 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-11-17 04:23:49,689 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-17 04:23:49,690 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-17 04:23:49,692 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:23:49,798 INFO L134 CoverageAnalysis]: Checked inductivity of 2145 backedges. 201 proven. 0 refuted. 0 times theorem prover too weak. 1944 trivial. 0 not checked. [2024-11-17 04:23:49,798 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 04:23:49,798 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1679901034] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:23:49,798 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-17 04:23:49,798 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [49] total 52 [2024-11-17 04:23:49,798 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1616935538] [2024-11-17 04:23:49,799 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:23:49,799 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-17 04:23:49,799 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:23:49,799 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-17 04:23:49,799 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=619, Invalid=2137, Unknown=0, NotChecked=0, Total=2756 [2024-11-17 04:23:49,800 INFO L87 Difference]: Start difference. First operand 599 states and 660 transitions. Second operand has 5 states, 4 states have (on average 7.25) internal successors, (29), 5 states have internal predecessors, (29), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-17 04:23:49,869 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:23:49,869 INFO L93 Difference]: Finished difference Result 609 states and 670 transitions. [2024-11-17 04:23:49,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-17 04:23:49,872 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 7.25) internal successors, (29), 5 states have internal predecessors, (29), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 257 [2024-11-17 04:23:49,873 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:23:49,873 INFO L225 Difference]: With dead ends: 609 [2024-11-17 04:23:49,873 INFO L226 Difference]: Without dead ends: 0 [2024-11-17 04:23:49,876 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 344 GetRequests, 291 SyntacticMatches, 0 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 665 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=629, Invalid=2341, Unknown=0, NotChecked=0, Total=2970 [2024-11-17 04:23:49,877 INFO L432 NwaCegarLoop]: 18 mSDtfsCounter, 12 mSDsluCounter, 34 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 52 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-17 04:23:49,877 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 52 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-17 04:23:49,878 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-17 04:23:49,878 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-17 04:23:49,878 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 04:23:49,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-17 04:23:49,879 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 257 [2024-11-17 04:23:49,879 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:23:49,879 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-17 04:23:49,879 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 7.25) internal successors, (29), 5 states have internal predecessors, (29), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-17 04:23:49,879 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-17 04:23:49,879 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-17 04:23:49,881 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 4 remaining) [2024-11-17 04:23:49,882 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 4 remaining) [2024-11-17 04:23:49,882 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 4 remaining) [2024-11-17 04:23:49,882 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 4 remaining) [2024-11-17 04:23:49,901 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 04:23:50,082 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,SelfDestructingSolverStorable12 [2024-11-17 04:23:50,086 INFO L407 BasicCegarLoop]: Path program histogram: [3, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:23:50,087 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-17 04:23:58,368 WARN L286 SmtUtils]: Spent 8.10s 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 04:23:59,309 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-17 04:23:59,324 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.11 04:23:59 BoogieIcfgContainer [2024-11-17 04:23:59,324 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-17 04:23:59,325 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-17 04:23:59,325 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-17 04:23:59,325 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-17 04:23:59,327 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 04:23:30" (3/4) ... [2024-11-17 04:23:59,330 INFO L143 WitnessPrinter]: Generating witness for correct program [2024-11-17 04:23:59,333 INFO L393 IcfgBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2024-11-17 04:23:59,336 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2024-11-17 04:23:59,336 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-17 04:23:59,336 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-17 04:23:59,336 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-17 04:23:59,403 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-17 04:23:59,404 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-17 04:23:59,404 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-17 04:23:59,404 INFO L158 Benchmark]: Toolchain (without parser) took 29830.71ms. Allocated memory was 184.5MB in the beginning and 1.3GB in the end (delta: 1.2GB). Free memory was 114.7MB in the beginning and 790.8MB in the end (delta: -676.1MB). Peak memory consumption was 479.5MB. Max. memory is 16.1GB. [2024-11-17 04:23:59,404 INFO L158 Benchmark]: CDTParser took 0.77ms. Allocated memory is still 184.5MB. Free memory is still 140.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-17 04:23:59,405 INFO L158 Benchmark]: CACSL2BoogieTranslator took 240.77ms. Allocated memory is still 184.5MB. Free memory was 114.5MB in the beginning and 102.1MB in the end (delta: 12.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-11-17 04:23:59,405 INFO L158 Benchmark]: Boogie Procedure Inliner took 25.77ms. Allocated memory is still 184.5MB. Free memory was 102.1MB in the beginning and 100.6MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-17 04:23:59,408 INFO L158 Benchmark]: Boogie Preprocessor took 25.97ms. Allocated memory is still 184.5MB. Free memory was 100.6MB in the beginning and 98.9MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-17 04:23:59,408 INFO L158 Benchmark]: IcfgBuilder took 406.84ms. Allocated memory is still 184.5MB. Free memory was 98.9MB in the beginning and 147.9MB in the end (delta: -49.0MB). Peak memory consumption was 9.0MB. Max. memory is 16.1GB. [2024-11-17 04:23:59,409 INFO L158 Benchmark]: TraceAbstraction took 29046.17ms. Allocated memory was 184.5MB in the beginning and 1.3GB in the end (delta: 1.2GB). Free memory was 147.9MB in the beginning and 796.0MB in the end (delta: -648.1MB). Peak memory consumption was 672.0MB. Max. memory is 16.1GB. [2024-11-17 04:23:59,409 INFO L158 Benchmark]: Witness Printer took 79.30ms. Allocated memory is still 1.3GB. Free memory was 795.0MB in the beginning and 790.8MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-17 04:23:59,410 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.77ms. Allocated memory is still 184.5MB. Free memory is still 140.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 240.77ms. Allocated memory is still 184.5MB. Free memory was 114.5MB in the beginning and 102.1MB in the end (delta: 12.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 25.77ms. Allocated memory is still 184.5MB. Free memory was 102.1MB in the beginning and 100.6MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 25.97ms. Allocated memory is still 184.5MB. Free memory was 100.6MB in the beginning and 98.9MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * IcfgBuilder took 406.84ms. Allocated memory is still 184.5MB. Free memory was 98.9MB in the beginning and 147.9MB in the end (delta: -49.0MB). Peak memory consumption was 9.0MB. Max. memory is 16.1GB. * TraceAbstraction took 29046.17ms. Allocated memory was 184.5MB in the beginning and 1.3GB in the end (delta: 1.2GB). Free memory was 147.9MB in the beginning and 796.0MB in the end (delta: -648.1MB). Peak memory consumption was 672.0MB. Max. memory is 16.1GB. * Witness Printer took 79.30ms. Allocated memory is still 1.3GB. Free memory was 795.0MB in the beginning and 790.8MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. 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: 38]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 38]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 34]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 34]: 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 2 procedures, 32 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 19.8s, OverallIterations: 13, TraceHistogramMax: 20, PathProgramHistogramMax: 3, EmptinessCheckTime: 0.0s, AutomataDifference: 7.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2520 SdHoareTripleChecker+Valid, 1.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2520 mSDsluCounter, 1852 SdHoareTripleChecker+Invalid, 1.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1634 mSDsCounter, 110 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2070 IncrementalHoareTripleChecker+Invalid, 2180 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 110 mSolverCounterUnsat, 218 mSDtfsCounter, 2070 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1985 GetRequests, 1371 SyntacticMatches, 0 SemanticMatches, 614 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15588 ImplicationChecksByTransitivity, 10.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=599occurred in iteration=12, InterpolantAutomatonStates: 450, 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, 13 MinimizatonAttempts, 1188 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 9.5s InterpolantComputationTime, 1734 NumberOfCodeBlocks, 1506 NumberOfCodeBlocksAsserted, 25 NumberOfCheckSat, 2289 ConstructedInterpolants, 0 QuantifiedInterpolants, 5371 SizeOfPredicates, 107 NumberOfNonLiveVariables, 1434 ConjunctsInSsa, 130 ConjunctsInUnsatCore, 29 InterpolantComputations, 6 PerfectInterpolantSequences, 4428/12522 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: 34]: Location Invariant Derived location invariant: null - InvariantResult [Line: 26]: Location Invariant Derived location invariant: ((1 <= counter) && (counter <= 2147483629)) - 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 04:23:59,447 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE