./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/array-tiling/nr5.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 3289d67d Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/array-tiling/nr5.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 7a05e17fa6f76d5004d5085f0b83441da7dbecb194f05c3b661e69c00b5f4df0 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-17 03:48:35,467 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-17 03:48:35,549 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-17 03:48:35,553 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-17 03:48:35,553 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-17 03:48:35,582 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-17 03:48:35,582 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-17 03:48:35,582 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-17 03:48:35,583 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-17 03:48:35,584 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-17 03:48:35,585 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-17 03:48:35,585 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-17 03:48:35,586 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-17 03:48:35,588 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-17 03:48:35,588 INFO L153 SettingsManager]: * Use SBE=true [2024-11-17 03:48:35,588 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-17 03:48:35,589 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-17 03:48:35,589 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-17 03:48:35,589 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-17 03:48:35,589 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-17 03:48:35,590 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-17 03:48:35,593 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-17 03:48:35,594 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-17 03:48:35,594 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-17 03:48:35,594 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-17 03:48:35,594 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-17 03:48:35,595 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-17 03:48:35,595 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-17 03:48:35,595 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-17 03:48:35,595 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-17 03:48:35,596 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-17 03:48:35,596 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-17 03:48:35,596 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-17 03:48:35,596 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-17 03:48:35,597 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-17 03:48:35,597 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-17 03:48:35,597 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-17 03:48:35,597 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-17 03:48:35,598 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-17 03:48:35,598 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-17 03:48:35,598 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-17 03:48:35,599 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-17 03:48:35,599 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-17 03:48:35,599 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-17 03:48:35,599 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7a05e17fa6f76d5004d5085f0b83441da7dbecb194f05c3b661e69c00b5f4df0 [2024-11-17 03:48:35,866 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-17 03:48:35,889 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-17 03:48:35,891 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-17 03:48:35,892 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-17 03:48:35,893 INFO L274 PluginConnector]: CDTParser initialized [2024-11-17 03:48:35,894 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/array-tiling/nr5.c [2024-11-17 03:48:37,296 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-17 03:48:37,475 INFO L384 CDTParser]: Found 1 translation units. [2024-11-17 03:48:37,476 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-tiling/nr5.c [2024-11-17 03:48:37,482 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1ab9f128d/b8ec83ede86a4094a7c56574b31301ec/FLAG80f8cd051 [2024-11-17 03:48:37,495 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1ab9f128d/b8ec83ede86a4094a7c56574b31301ec [2024-11-17 03:48:37,497 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-17 03:48:37,498 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-17 03:48:37,500 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-17 03:48:37,500 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-17 03:48:37,504 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-17 03:48:37,505 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 03:48:37" (1/1) ... [2024-11-17 03:48:37,506 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@bb84299 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:48:37, skipping insertion in model container [2024-11-17 03:48:37,506 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 03:48:37" (1/1) ... [2024-11-17 03:48:37,527 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-17 03:48:37,725 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-17 03:48:37,733 INFO L200 MainTranslator]: Completed pre-run [2024-11-17 03:48:37,757 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-17 03:48:37,778 INFO L204 MainTranslator]: Completed translation [2024-11-17 03:48:37,778 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:48:37 WrapperNode [2024-11-17 03:48:37,778 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-17 03:48:37,780 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-17 03:48:37,780 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-17 03:48:37,780 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-17 03:48:37,785 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:48:37" (1/1) ... [2024-11-17 03:48:37,791 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:48:37" (1/1) ... [2024-11-17 03:48:37,810 INFO L138 Inliner]: procedures = 15, calls = 23, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 95 [2024-11-17 03:48:37,811 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-17 03:48:37,812 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-17 03:48:37,812 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-17 03:48:37,812 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-17 03:48:37,822 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:48:37" (1/1) ... [2024-11-17 03:48:37,823 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:48:37" (1/1) ... [2024-11-17 03:48:37,825 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:48:37" (1/1) ... [2024-11-17 03:48:37,837 INFO L175 MemorySlicer]: Split 12 memory accesses to 3 slices as follows [2, 4, 6]. 50 percent of accesses are in the largest equivalence class. The 8 initializations are split as follows [2, 0, 6]. The 2 writes are split as follows [0, 2, 0]. [2024-11-17 03:48:37,838 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:48:37" (1/1) ... [2024-11-17 03:48:37,838 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:48:37" (1/1) ... [2024-11-17 03:48:37,843 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:48:37" (1/1) ... [2024-11-17 03:48:37,844 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:48:37" (1/1) ... [2024-11-17 03:48:37,845 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:48:37" (1/1) ... [2024-11-17 03:48:37,846 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:48:37" (1/1) ... [2024-11-17 03:48:37,847 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-17 03:48:37,849 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-17 03:48:37,849 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-17 03:48:37,849 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-17 03:48:37,850 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:48:37" (1/1) ... [2024-11-17 03:48:37,855 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-17 03:48:37,866 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 03:48:37,883 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 03:48:37,889 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 03:48:37,935 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-17 03:48:37,935 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-17 03:48:37,936 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-17 03:48:37,936 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-17 03:48:37,936 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-17 03:48:37,936 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-17 03:48:37,936 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-17 03:48:37,936 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-17 03:48:37,937 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-17 03:48:37,938 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-17 03:48:37,939 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-17 03:48:37,939 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-17 03:48:37,939 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-17 03:48:37,939 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-17 03:48:38,022 INFO L256 CfgBuilder]: Building ICFG [2024-11-17 03:48:38,024 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-17 03:48:38,263 INFO L? ?]: Removed 35 outVars from TransFormulas that were not future-live. [2024-11-17 03:48:38,263 INFO L307 CfgBuilder]: Performing block encoding [2024-11-17 03:48:38,282 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-17 03:48:38,285 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-17 03:48:38,285 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 03:48:38 BoogieIcfgContainer [2024-11-17 03:48:38,285 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-17 03:48:38,288 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-17 03:48:38,288 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-17 03:48:38,291 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-17 03:48:38,291 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.11 03:48:37" (1/3) ... [2024-11-17 03:48:38,292 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ee6e8ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 03:48:38, skipping insertion in model container [2024-11-17 03:48:38,293 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:48:37" (2/3) ... [2024-11-17 03:48:38,293 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ee6e8ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 03:48:38, skipping insertion in model container [2024-11-17 03:48:38,294 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 03:48:38" (3/3) ... [2024-11-17 03:48:38,295 INFO L112 eAbstractionObserver]: Analyzing ICFG nr5.c [2024-11-17 03:48:38,311 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-17 03:48:38,311 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 16 error locations. [2024-11-17 03:48:38,376 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-17 03:48:38,385 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;@7f64a9f3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-17 03:48:38,385 INFO L334 AbstractCegarLoop]: Starting to check reachability of 16 error locations. [2024-11-17 03:48:38,389 INFO L276 IsEmpty]: Start isEmpty. Operand has 64 states, 47 states have (on average 1.5957446808510638) internal successors, (75), 63 states have internal predecessors, (75), 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 03:48:38,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-17 03:48:38,395 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 03:48:38,395 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 03:48:38,396 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-11-17 03:48:38,401 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 03:48:38,402 INFO L85 PathProgramCache]: Analyzing trace with hash -2081518147, now seen corresponding path program 1 times [2024-11-17 03:48:38,412 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 03:48:38,412 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1796165063] [2024-11-17 03:48:38,413 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:48:38,413 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 03:48:38,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:48:38,567 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 03:48:38,567 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 03:48:38,568 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1796165063] [2024-11-17 03:48:38,568 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1796165063] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 03:48:38,568 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 03:48:38,569 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-17 03:48:38,570 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1159225980] [2024-11-17 03:48:38,571 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 03:48:38,573 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-17 03:48:38,574 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 03:48:38,591 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-17 03:48:38,591 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-17 03:48:38,593 INFO L87 Difference]: Start difference. First operand has 64 states, 47 states have (on average 1.5957446808510638) internal successors, (75), 63 states have internal predecessors, (75), 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) Second operand has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 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 03:48:38,608 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 03:48:38,608 INFO L93 Difference]: Finished difference Result 122 states and 141 transitions. [2024-11-17 03:48:38,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-17 03:48:38,610 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 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 8 [2024-11-17 03:48:38,610 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 03:48:38,616 INFO L225 Difference]: With dead ends: 122 [2024-11-17 03:48:38,616 INFO L226 Difference]: Without dead ends: 57 [2024-11-17 03:48:38,619 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-17 03:48:38,621 INFO L432 NwaCegarLoop]: 69 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 69 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-17 03:48:38,622 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-17 03:48:38,635 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2024-11-17 03:48:38,647 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2024-11-17 03:48:38,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57 states, 41 states have (on average 1.4878048780487805) internal successors, (61), 56 states have internal predecessors, (61), 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 03:48:38,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 61 transitions. [2024-11-17 03:48:38,651 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 61 transitions. Word has length 8 [2024-11-17 03:48:38,651 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 03:48:38,651 INFO L471 AbstractCegarLoop]: Abstraction has 57 states and 61 transitions. [2024-11-17 03:48:38,652 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 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 03:48:38,652 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 61 transitions. [2024-11-17 03:48:38,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-17 03:48:38,652 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 03:48:38,653 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 03:48:38,653 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-17 03:48:38,653 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-11-17 03:48:38,654 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 03:48:38,654 INFO L85 PathProgramCache]: Analyzing trace with hash -2081488356, now seen corresponding path program 1 times [2024-11-17 03:48:38,654 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 03:48:38,655 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1809802014] [2024-11-17 03:48:38,655 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:48:38,655 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 03:48:38,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:48:38,978 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 03:48:38,979 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 03:48:38,979 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1809802014] [2024-11-17 03:48:38,979 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1809802014] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 03:48:38,980 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 03:48:38,980 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-17 03:48:38,980 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1973066899] [2024-11-17 03:48:38,980 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 03:48:38,981 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 03:48:38,981 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 03:48:38,982 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 03:48:38,982 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-17 03:48:38,983 INFO L87 Difference]: Start difference. First operand 57 states and 61 transitions. Second operand has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 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 03:48:39,026 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 03:48:39,027 INFO L93 Difference]: Finished difference Result 57 states and 61 transitions. [2024-11-17 03:48:39,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 03:48:39,028 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 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 8 [2024-11-17 03:48:39,028 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 03:48:39,029 INFO L225 Difference]: With dead ends: 57 [2024-11-17 03:48:39,029 INFO L226 Difference]: Without dead ends: 56 [2024-11-17 03:48:39,029 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-17 03:48:39,031 INFO L432 NwaCegarLoop]: 53 mSDtfsCounter, 53 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 53 SdHoareTripleChecker+Valid, 53 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-17 03:48:39,031 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [53 Valid, 53 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-17 03:48:39,032 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2024-11-17 03:48:39,037 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 56. [2024-11-17 03:48:39,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56 states, 41 states have (on average 1.4634146341463414) internal successors, (60), 55 states have internal predecessors, (60), 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 03:48:39,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 60 transitions. [2024-11-17 03:48:39,039 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 60 transitions. Word has length 8 [2024-11-17 03:48:39,039 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 03:48:39,040 INFO L471 AbstractCegarLoop]: Abstraction has 56 states and 60 transitions. [2024-11-17 03:48:39,040 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 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 03:48:39,040 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 60 transitions. [2024-11-17 03:48:39,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-17 03:48:39,040 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 03:48:39,040 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 03:48:39,041 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-17 03:48:39,041 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-11-17 03:48:39,041 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 03:48:39,041 INFO L85 PathProgramCache]: Analyzing trace with hash -101629562, now seen corresponding path program 1 times [2024-11-17 03:48:39,042 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 03:48:39,042 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1638465200] [2024-11-17 03:48:39,042 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:48:39,046 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 03:48:39,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:48:39,280 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 03:48:39,280 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 03:48:39,280 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1638465200] [2024-11-17 03:48:39,281 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1638465200] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 03:48:39,281 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 03:48:39,281 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-17 03:48:39,281 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [321059228] [2024-11-17 03:48:39,282 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 03:48:39,282 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-17 03:48:39,282 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 03:48:39,283 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-17 03:48:39,284 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2024-11-17 03:48:39,285 INFO L87 Difference]: Start difference. First operand 56 states and 60 transitions. Second operand has 6 states, 5 states have (on average 1.8) internal successors, (9), 6 states have internal predecessors, (9), 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 03:48:39,322 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 03:48:39,322 INFO L93 Difference]: Finished difference Result 56 states and 60 transitions. [2024-11-17 03:48:39,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-17 03:48:39,326 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 1.8) internal successors, (9), 6 states have internal predecessors, (9), 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 9 [2024-11-17 03:48:39,326 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 03:48:39,327 INFO L225 Difference]: With dead ends: 56 [2024-11-17 03:48:39,327 INFO L226 Difference]: Without dead ends: 55 [2024-11-17 03:48:39,327 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2024-11-17 03:48:39,328 INFO L432 NwaCegarLoop]: 52 mSDtfsCounter, 155 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 155 SdHoareTripleChecker+Valid, 52 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-17 03:48:39,329 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [155 Valid, 52 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-17 03:48:39,331 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2024-11-17 03:48:39,338 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2024-11-17 03:48:39,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55 states, 41 states have (on average 1.4390243902439024) internal successors, (59), 54 states have internal predecessors, (59), 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 03:48:39,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 59 transitions. [2024-11-17 03:48:39,341 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 59 transitions. Word has length 9 [2024-11-17 03:48:39,341 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 03:48:39,342 INFO L471 AbstractCegarLoop]: Abstraction has 55 states and 59 transitions. [2024-11-17 03:48:39,342 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 1.8) internal successors, (9), 6 states have internal predecessors, (9), 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 03:48:39,342 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 59 transitions. [2024-11-17 03:48:39,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-17 03:48:39,344 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 03:48:39,344 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 03:48:39,344 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-17 03:48:39,345 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-11-17 03:48:39,345 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 03:48:39,345 INFO L85 PathProgramCache]: Analyzing trace with hash 1714873783, now seen corresponding path program 1 times [2024-11-17 03:48:39,345 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 03:48:39,346 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2128625535] [2024-11-17 03:48:39,346 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:48:39,346 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 03:48:39,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:48:39,400 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 03:48:39,401 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 03:48:39,401 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2128625535] [2024-11-17 03:48:39,401 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2128625535] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 03:48:39,401 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 03:48:39,401 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-17 03:48:39,402 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1504909225] [2024-11-17 03:48:39,402 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 03:48:39,402 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-17 03:48:39,402 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 03:48:39,403 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-17 03:48:39,403 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 03:48:39,403 INFO L87 Difference]: Start difference. First operand 55 states and 59 transitions. Second operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 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 03:48:39,453 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 03:48:39,454 INFO L93 Difference]: Finished difference Result 122 states and 136 transitions. [2024-11-17 03:48:39,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-17 03:48:39,454 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 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 14 [2024-11-17 03:48:39,455 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 03:48:39,455 INFO L225 Difference]: With dead ends: 122 [2024-11-17 03:48:39,456 INFO L226 Difference]: Without dead ends: 73 [2024-11-17 03:48:39,456 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 03:48:39,457 INFO L432 NwaCegarLoop]: 45 mSDtfsCounter, 17 mSDsluCounter, 40 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 85 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-17 03:48:39,458 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 85 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-17 03:48:39,459 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2024-11-17 03:48:39,464 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 57. [2024-11-17 03:48:39,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57 states, 43 states have (on average 1.4186046511627908) internal successors, (61), 56 states have internal predecessors, (61), 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 03:48:39,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 61 transitions. [2024-11-17 03:48:39,469 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 61 transitions. Word has length 14 [2024-11-17 03:48:39,469 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 03:48:39,469 INFO L471 AbstractCegarLoop]: Abstraction has 57 states and 61 transitions. [2024-11-17 03:48:39,469 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 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 03:48:39,469 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 61 transitions. [2024-11-17 03:48:39,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-17 03:48:39,470 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 03:48:39,470 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 03:48:39,470 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-17 03:48:39,470 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-11-17 03:48:39,471 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 03:48:39,471 INFO L85 PathProgramCache]: Analyzing trace with hash 1714875535, now seen corresponding path program 1 times [2024-11-17 03:48:39,471 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 03:48:39,471 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1936503548] [2024-11-17 03:48:39,471 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:48:39,471 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 03:48:39,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:48:39,517 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 03:48:39,518 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 03:48:39,518 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1936503548] [2024-11-17 03:48:39,518 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1936503548] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 03:48:39,518 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 03:48:39,519 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-17 03:48:39,519 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1186088220] [2024-11-17 03:48:39,519 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 03:48:39,519 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-17 03:48:39,519 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 03:48:39,520 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-17 03:48:39,520 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 03:48:39,520 INFO L87 Difference]: Start difference. First operand 57 states and 61 transitions. Second operand has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 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 03:48:39,591 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 03:48:39,592 INFO L93 Difference]: Finished difference Result 87 states and 98 transitions. [2024-11-17 03:48:39,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-17 03:48:39,592 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 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 14 [2024-11-17 03:48:39,592 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 03:48:39,595 INFO L225 Difference]: With dead ends: 87 [2024-11-17 03:48:39,595 INFO L226 Difference]: Without dead ends: 83 [2024-11-17 03:48:39,596 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 03:48:39,597 INFO L432 NwaCegarLoop]: 42 mSDtfsCounter, 18 mSDsluCounter, 29 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 71 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 03:48:39,599 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 71 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 03:48:39,600 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2024-11-17 03:48:39,606 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 80. [2024-11-17 03:48:39,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 80 states, 66 states have (on average 1.4090909090909092) internal successors, (93), 79 states have internal predecessors, (93), 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 03:48:39,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 93 transitions. [2024-11-17 03:48:39,607 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 93 transitions. Word has length 14 [2024-11-17 03:48:39,607 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 03:48:39,608 INFO L471 AbstractCegarLoop]: Abstraction has 80 states and 93 transitions. [2024-11-17 03:48:39,608 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 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 03:48:39,608 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 93 transitions. [2024-11-17 03:48:39,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-17 03:48:39,609 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 03:48:39,609 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 03:48:39,609 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-17 03:48:39,609 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-11-17 03:48:39,610 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 03:48:39,610 INFO L85 PathProgramCache]: Analyzing trace with hash -1272052179, now seen corresponding path program 1 times [2024-11-17 03:48:39,610 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 03:48:39,610 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2133704436] [2024-11-17 03:48:39,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:48:39,611 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 03:48:39,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:48:39,672 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 03:48:39,672 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 03:48:39,672 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2133704436] [2024-11-17 03:48:39,673 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2133704436] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 03:48:39,673 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 03:48:39,673 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-17 03:48:39,674 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [328477839] [2024-11-17 03:48:39,674 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 03:48:39,675 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 03:48:39,675 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 03:48:39,676 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 03:48:39,677 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-17 03:48:39,677 INFO L87 Difference]: Start difference. First operand 80 states and 93 transitions. Second operand has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 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 03:48:39,797 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 03:48:39,797 INFO L93 Difference]: Finished difference Result 99 states and 111 transitions. [2024-11-17 03:48:39,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 03:48:39,798 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 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 03:48:39,798 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 03:48:39,799 INFO L225 Difference]: With dead ends: 99 [2024-11-17 03:48:39,799 INFO L226 Difference]: Without dead ends: 95 [2024-11-17 03:48:39,802 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-17 03:48:39,803 INFO L432 NwaCegarLoop]: 38 mSDtfsCounter, 40 mSDsluCounter, 37 mSDsCounter, 0 mSdLazyCounter, 67 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 75 SdHoareTripleChecker+Invalid, 70 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 67 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 03:48:39,804 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [40 Valid, 75 Invalid, 70 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 67 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 03:48:39,804 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2024-11-17 03:48:39,809 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 89. [2024-11-17 03:48:39,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 89 states, 75 states have (on average 1.3733333333333333) internal successors, (103), 88 states have internal predecessors, (103), 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 03:48:39,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 103 transitions. [2024-11-17 03:48:39,825 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 103 transitions. Word has length 16 [2024-11-17 03:48:39,825 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 03:48:39,825 INFO L471 AbstractCegarLoop]: Abstraction has 89 states and 103 transitions. [2024-11-17 03:48:39,826 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 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 03:48:39,826 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 103 transitions. [2024-11-17 03:48:39,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-17 03:48:39,826 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 03:48:39,826 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 03:48:39,827 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-17 03:48:39,827 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-11-17 03:48:39,827 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 03:48:39,827 INFO L85 PathProgramCache]: Analyzing trace with hash 1485107024, now seen corresponding path program 1 times [2024-11-17 03:48:39,828 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 03:48:39,828 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1612623901] [2024-11-17 03:48:39,828 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:48:39,828 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 03:48:39,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:48:39,911 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 03:48:39,911 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 03:48:39,911 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1612623901] [2024-11-17 03:48:39,912 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1612623901] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 03:48:39,912 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 03:48:39,912 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-17 03:48:39,912 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [268173420] [2024-11-17 03:48:39,912 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 03:48:39,913 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 03:48:39,913 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 03:48:39,913 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 03:48:39,913 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-17 03:48:39,914 INFO L87 Difference]: Start difference. First operand 89 states and 103 transitions. Second operand has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 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 03:48:39,967 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 03:48:39,968 INFO L93 Difference]: Finished difference Result 100 states and 115 transitions. [2024-11-17 03:48:39,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 03:48:39,968 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 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 18 [2024-11-17 03:48:39,969 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 03:48:39,969 INFO L225 Difference]: With dead ends: 100 [2024-11-17 03:48:39,970 INFO L226 Difference]: Without dead ends: 98 [2024-11-17 03:48:39,970 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-17 03:48:39,971 INFO L432 NwaCegarLoop]: 53 mSDtfsCounter, 3 mSDsluCounter, 77 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 130 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-17 03:48:39,972 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 130 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-17 03:48:39,972 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2024-11-17 03:48:39,985 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 97. [2024-11-17 03:48:39,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 97 states, 83 states have (on average 1.3493975903614457) internal successors, (112), 96 states have internal predecessors, (112), 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 03:48:39,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 112 transitions. [2024-11-17 03:48:39,987 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 112 transitions. Word has length 18 [2024-11-17 03:48:39,987 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 03:48:39,987 INFO L471 AbstractCegarLoop]: Abstraction has 97 states and 112 transitions. [2024-11-17 03:48:39,987 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 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 03:48:39,987 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 112 transitions. [2024-11-17 03:48:39,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-17 03:48:39,991 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 03:48:39,991 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 03:48:39,992 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-17 03:48:39,992 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-11-17 03:48:39,992 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 03:48:39,992 INFO L85 PathProgramCache]: Analyzing trace with hash 1144548714, now seen corresponding path program 1 times [2024-11-17 03:48:39,992 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 03:48:39,993 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [723152688] [2024-11-17 03:48:39,993 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:48:39,993 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 03:48:40,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:48:40,051 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 03:48:40,052 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 03:48:40,052 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [723152688] [2024-11-17 03:48:40,053 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [723152688] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 03:48:40,053 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 03:48:40,053 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-17 03:48:40,053 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1970716067] [2024-11-17 03:48:40,054 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 03:48:40,054 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 03:48:40,054 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 03:48:40,055 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 03:48:40,055 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-17 03:48:40,055 INFO L87 Difference]: Start difference. First operand 97 states and 112 transitions. Second operand has 4 states, 3 states have (on average 6.666666666666667) internal successors, (20), 4 states have internal predecessors, (20), 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 03:48:40,118 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 03:48:40,118 INFO L93 Difference]: Finished difference Result 124 states and 146 transitions. [2024-11-17 03:48:40,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 03:48:40,119 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 6.666666666666667) internal successors, (20), 4 states have internal predecessors, (20), 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 20 [2024-11-17 03:48:40,120 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 03:48:40,120 INFO L225 Difference]: With dead ends: 124 [2024-11-17 03:48:40,121 INFO L226 Difference]: Without dead ends: 122 [2024-11-17 03:48:40,121 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-17 03:48:40,123 INFO L432 NwaCegarLoop]: 46 mSDtfsCounter, 12 mSDsluCounter, 81 mSDsCounter, 0 mSdLazyCounter, 61 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 127 SdHoareTripleChecker+Invalid, 62 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 61 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 03:48:40,123 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 127 Invalid, 62 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 61 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 03:48:40,124 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2024-11-17 03:48:40,132 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 116. [2024-11-17 03:48:40,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 116 states, 102 states have (on average 1.3725490196078431) internal successors, (140), 115 states have internal predecessors, (140), 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 03:48:40,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 140 transitions. [2024-11-17 03:48:40,134 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 140 transitions. Word has length 20 [2024-11-17 03:48:40,134 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 03:48:40,134 INFO L471 AbstractCegarLoop]: Abstraction has 116 states and 140 transitions. [2024-11-17 03:48:40,134 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 6.666666666666667) internal successors, (20), 4 states have internal predecessors, (20), 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 03:48:40,135 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 140 transitions. [2024-11-17 03:48:40,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-17 03:48:40,135 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 03:48:40,136 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 03:48:40,136 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-17 03:48:40,136 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-11-17 03:48:40,137 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 03:48:40,137 INFO L85 PathProgramCache]: Analyzing trace with hash 713632357, now seen corresponding path program 1 times [2024-11-17 03:48:40,137 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 03:48:40,137 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1823888299] [2024-11-17 03:48:40,137 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:48:40,137 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 03:48:40,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:48:40,199 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 03:48:40,199 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 03:48:40,199 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1823888299] [2024-11-17 03:48:40,199 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1823888299] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 03:48:40,199 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1012231341] [2024-11-17 03:48:40,199 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:48:40,199 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 03:48:40,200 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 03:48:40,202 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 03:48:40,203 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 03:48:40,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:48:40,261 INFO L255 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-17 03:48:40,266 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 03:48:40,332 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 03:48:40,332 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 03:48:40,376 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 03:48:40,377 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1012231341] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 03:48:40,377 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 03:48:40,377 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2024-11-17 03:48:40,377 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1951734255] [2024-11-17 03:48:40,377 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 03:48:40,378 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-17 03:48:40,378 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 03:48:40,378 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-17 03:48:40,379 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-11-17 03:48:40,379 INFO L87 Difference]: Start difference. First operand 116 states and 140 transitions. Second operand has 10 states, 10 states have (on average 5.4) internal successors, (54), 10 states have internal predecessors, (54), 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 03:48:40,488 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 03:48:40,489 INFO L93 Difference]: Finished difference Result 237 states and 289 transitions. [2024-11-17 03:48:40,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-17 03:48:40,489 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 5.4) internal successors, (54), 10 states have internal predecessors, (54), 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 26 [2024-11-17 03:48:40,490 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 03:48:40,492 INFO L225 Difference]: With dead ends: 237 [2024-11-17 03:48:40,492 INFO L226 Difference]: Without dead ends: 164 [2024-11-17 03:48:40,492 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-11-17 03:48:40,494 INFO L432 NwaCegarLoop]: 41 mSDtfsCounter, 74 mSDsluCounter, 153 mSDsCounter, 0 mSdLazyCounter, 121 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 74 SdHoareTripleChecker+Valid, 194 SdHoareTripleChecker+Invalid, 123 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 121 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 03:48:40,494 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [74 Valid, 194 Invalid, 123 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 121 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 03:48:40,495 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 164 states. [2024-11-17 03:48:40,508 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 164 to 156. [2024-11-17 03:48:40,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 156 states, 142 states have (on average 1.380281690140845) internal successors, (196), 155 states have internal predecessors, (196), 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 03:48:40,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 156 states and 196 transitions. [2024-11-17 03:48:40,509 INFO L78 Accepts]: Start accepts. Automaton has 156 states and 196 transitions. Word has length 26 [2024-11-17 03:48:40,509 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 03:48:40,513 INFO L471 AbstractCegarLoop]: Abstraction has 156 states and 196 transitions. [2024-11-17 03:48:40,513 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.4) internal successors, (54), 10 states have internal predecessors, (54), 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 03:48:40,513 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 196 transitions. [2024-11-17 03:48:40,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-17 03:48:40,514 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 03:48:40,514 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 03:48:40,536 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 03:48:40,715 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 03:48:40,715 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-11-17 03:48:40,716 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 03:48:40,716 INFO L85 PathProgramCache]: Analyzing trace with hash -301430783, now seen corresponding path program 1 times [2024-11-17 03:48:40,716 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 03:48:40,716 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1339320194] [2024-11-17 03:48:40,716 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:48:40,716 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 03:48:40,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:48:40,869 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-17 03:48:40,869 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 03:48:40,869 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1339320194] [2024-11-17 03:48:40,869 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1339320194] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 03:48:40,869 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 03:48:40,869 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-17 03:48:40,870 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1162246686] [2024-11-17 03:48:40,870 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 03:48:40,870 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-17 03:48:40,870 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 03:48:40,871 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-17 03:48:40,871 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-17 03:48:40,871 INFO L87 Difference]: Start difference. First operand 156 states and 196 transitions. Second operand has 5 states, 5 states have (on average 4.2) internal successors, (21), 5 states have internal predecessors, (21), 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 03:48:40,939 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 03:48:40,939 INFO L93 Difference]: Finished difference Result 179 states and 219 transitions. [2024-11-17 03:48:40,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-17 03:48:40,939 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.2) internal successors, (21), 5 states have internal predecessors, (21), 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 27 [2024-11-17 03:48:40,939 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 03:48:40,940 INFO L225 Difference]: With dead ends: 179 [2024-11-17 03:48:40,940 INFO L226 Difference]: Without dead ends: 159 [2024-11-17 03:48:40,940 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-17 03:48:40,941 INFO L432 NwaCegarLoop]: 38 mSDtfsCounter, 102 mSDsluCounter, 25 mSDsCounter, 0 mSdLazyCounter, 56 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 102 SdHoareTripleChecker+Valid, 63 SdHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 56 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 03:48:40,941 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [102 Valid, 63 Invalid, 56 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 56 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 03:48:40,942 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 159 states. [2024-11-17 03:48:40,948 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 159 to 156. [2024-11-17 03:48:40,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 156 states, 142 states have (on average 1.3732394366197183) internal successors, (195), 155 states have internal predecessors, (195), 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 03:48:40,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 156 states and 195 transitions. [2024-11-17 03:48:40,951 INFO L78 Accepts]: Start accepts. Automaton has 156 states and 195 transitions. Word has length 27 [2024-11-17 03:48:40,951 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 03:48:40,951 INFO L471 AbstractCegarLoop]: Abstraction has 156 states and 195 transitions. [2024-11-17 03:48:40,951 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.2) internal successors, (21), 5 states have internal predecessors, (21), 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 03:48:40,952 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 195 transitions. [2024-11-17 03:48:40,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-17 03:48:40,952 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 03:48:40,953 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 03:48:40,953 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-17 03:48:40,953 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-11-17 03:48:40,954 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 03:48:40,954 INFO L85 PathProgramCache]: Analyzing trace with hash -1392388261, now seen corresponding path program 1 times [2024-11-17 03:48:40,954 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 03:48:40,954 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [389250688] [2024-11-17 03:48:40,955 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:48:40,955 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 03:48:40,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:48:41,035 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 03:48:41,035 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 03:48:41,035 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [389250688] [2024-11-17 03:48:41,036 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [389250688] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 03:48:41,036 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1497468981] [2024-11-17 03:48:41,036 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:48:41,036 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 03:48:41,036 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 03:48:41,037 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 03:48:41,038 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 03:48:41,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:48:41,094 INFO L255 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-17 03:48:41,095 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 03:48:41,204 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 03:48:41,204 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 03:48:41,204 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1497468981] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 03:48:41,204 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-17 03:48:41,204 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 9 [2024-11-17 03:48:41,205 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [925047214] [2024-11-17 03:48:41,205 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 03:48:41,205 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-17 03:48:41,205 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 03:48:41,205 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-17 03:48:41,205 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2024-11-17 03:48:41,206 INFO L87 Difference]: Start difference. First operand 156 states and 195 transitions. Second operand has 6 states, 5 states have (on average 5.6) internal successors, (28), 6 states have internal predecessors, (28), 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 03:48:41,304 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 03:48:41,304 INFO L93 Difference]: Finished difference Result 161 states and 196 transitions. [2024-11-17 03:48:41,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-17 03:48:41,305 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 5.6) internal successors, (28), 6 states have internal predecessors, (28), 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 28 [2024-11-17 03:48:41,305 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 03:48:41,306 INFO L225 Difference]: With dead ends: 161 [2024-11-17 03:48:41,306 INFO L226 Difference]: Without dead ends: 158 [2024-11-17 03:48:41,306 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2024-11-17 03:48:41,307 INFO L432 NwaCegarLoop]: 37 mSDtfsCounter, 23 mSDsluCounter, 38 mSDsCounter, 0 mSdLazyCounter, 118 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 75 SdHoareTripleChecker+Invalid, 120 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 118 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 03:48:41,307 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 75 Invalid, 120 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 118 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 03:48:41,307 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 158 states. [2024-11-17 03:48:41,311 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 158 to 156. [2024-11-17 03:48:41,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 156 states, 142 states have (on average 1.3309859154929577) internal successors, (189), 155 states have internal predecessors, (189), 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 03:48:41,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 156 states and 189 transitions. [2024-11-17 03:48:41,312 INFO L78 Accepts]: Start accepts. Automaton has 156 states and 189 transitions. Word has length 28 [2024-11-17 03:48:41,312 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 03:48:41,312 INFO L471 AbstractCegarLoop]: Abstraction has 156 states and 189 transitions. [2024-11-17 03:48:41,312 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 5.6) internal successors, (28), 6 states have internal predecessors, (28), 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 03:48:41,312 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 189 transitions. [2024-11-17 03:48:41,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-17 03:48:41,314 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 03:48:41,315 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 03:48:41,331 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-17 03:48:41,515 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,SelfDestructingSolverStorable10 [2024-11-17 03:48:41,516 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-11-17 03:48:41,516 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 03:48:41,516 INFO L85 PathProgramCache]: Analyzing trace with hash -214363124, now seen corresponding path program 1 times [2024-11-17 03:48:41,516 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 03:48:41,516 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1152101594] [2024-11-17 03:48:41,516 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:48:41,516 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 03:48:41,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:48:41,572 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-17 03:48:41,573 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 03:48:41,573 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1152101594] [2024-11-17 03:48:41,573 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1152101594] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 03:48:41,573 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 03:48:41,573 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-17 03:48:41,573 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1649457104] [2024-11-17 03:48:41,573 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 03:48:41,574 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 03:48:41,574 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 03:48:41,574 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 03:48:41,574 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-17 03:48:41,575 INFO L87 Difference]: Start difference. First operand 156 states and 189 transitions. Second operand has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 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 03:48:41,629 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 03:48:41,630 INFO L93 Difference]: Finished difference Result 160 states and 190 transitions. [2024-11-17 03:48:41,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 03:48:41,630 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 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 29 [2024-11-17 03:48:41,630 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 03:48:41,631 INFO L225 Difference]: With dead ends: 160 [2024-11-17 03:48:41,631 INFO L226 Difference]: Without dead ends: 158 [2024-11-17 03:48:41,631 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-17 03:48:41,632 INFO L432 NwaCegarLoop]: 43 mSDtfsCounter, 17 mSDsluCounter, 36 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 79 SdHoareTripleChecker+Invalid, 51 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-17 03:48:41,632 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 79 Invalid, 51 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-17 03:48:41,632 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 158 states. [2024-11-17 03:48:41,636 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 158 to 156. [2024-11-17 03:48:41,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 156 states, 142 states have (on average 1.3028169014084507) internal successors, (185), 155 states have internal predecessors, (185), 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 03:48:41,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 156 states and 185 transitions. [2024-11-17 03:48:41,637 INFO L78 Accepts]: Start accepts. Automaton has 156 states and 185 transitions. Word has length 29 [2024-11-17 03:48:41,637 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 03:48:41,637 INFO L471 AbstractCegarLoop]: Abstraction has 156 states and 185 transitions. [2024-11-17 03:48:41,637 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 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 03:48:41,638 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 185 transitions. [2024-11-17 03:48:41,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2024-11-17 03:48:41,638 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 03:48:41,639 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 03:48:41,639 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-17 03:48:41,639 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-11-17 03:48:41,639 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 03:48:41,639 INFO L85 PathProgramCache]: Analyzing trace with hash 1054584006, now seen corresponding path program 1 times [2024-11-17 03:48:41,640 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 03:48:41,640 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1698897454] [2024-11-17 03:48:41,640 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:48:41,640 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 03:48:41,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:48:41,693 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-17 03:48:41,694 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 03:48:41,694 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1698897454] [2024-11-17 03:48:41,694 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1698897454] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 03:48:41,694 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 03:48:41,694 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-17 03:48:41,695 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1434785256] [2024-11-17 03:48:41,695 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 03:48:41,695 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 03:48:41,695 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 03:48:41,696 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 03:48:41,696 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-17 03:48:41,696 INFO L87 Difference]: Start difference. First operand 156 states and 185 transitions. Second operand has 4 states, 3 states have (on average 10.333333333333334) internal successors, (31), 4 states have internal predecessors, (31), 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 03:48:41,731 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 03:48:41,731 INFO L93 Difference]: Finished difference Result 156 states and 185 transitions. [2024-11-17 03:48:41,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 03:48:41,732 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 10.333333333333334) internal successors, (31), 4 states have internal predecessors, (31), 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 44 [2024-11-17 03:48:41,732 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 03:48:41,733 INFO L225 Difference]: With dead ends: 156 [2024-11-17 03:48:41,733 INFO L226 Difference]: Without dead ends: 155 [2024-11-17 03:48:41,733 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-17 03:48:41,734 INFO L432 NwaCegarLoop]: 40 mSDtfsCounter, 13 mSDsluCounter, 67 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 107 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-17 03:48:41,735 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 107 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-17 03:48:41,735 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 155 states. [2024-11-17 03:48:41,738 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 155 to 155. [2024-11-17 03:48:41,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 155 states, 142 states have (on average 1.2887323943661972) internal successors, (183), 154 states have internal predecessors, (183), 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 03:48:41,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 183 transitions. [2024-11-17 03:48:41,739 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 183 transitions. Word has length 44 [2024-11-17 03:48:41,739 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 03:48:41,740 INFO L471 AbstractCegarLoop]: Abstraction has 155 states and 183 transitions. [2024-11-17 03:48:41,740 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 10.333333333333334) internal successors, (31), 4 states have internal predecessors, (31), 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 03:48:41,740 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 183 transitions. [2024-11-17 03:48:41,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-17 03:48:41,742 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 03:48:41,742 INFO L215 NwaCegarLoop]: trace histogram [4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 03:48:41,742 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-17 03:48:41,742 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-11-17 03:48:41,743 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 03:48:41,743 INFO L85 PathProgramCache]: Analyzing trace with hash 171865281, now seen corresponding path program 2 times [2024-11-17 03:48:41,743 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 03:48:41,743 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2009087497] [2024-11-17 03:48:41,743 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:48:41,743 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 03:48:41,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:48:41,812 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2024-11-17 03:48:41,812 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 03:48:41,812 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2009087497] [2024-11-17 03:48:41,812 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2009087497] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 03:48:41,813 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 03:48:41,813 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-17 03:48:41,813 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1232822807] [2024-11-17 03:48:41,813 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 03:48:41,813 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 03:48:41,813 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 03:48:41,813 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 03:48:41,814 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-17 03:48:41,814 INFO L87 Difference]: Start difference. First operand 155 states and 183 transitions. Second operand has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 4 states have internal predecessors, (25), 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 03:48:41,871 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 03:48:41,872 INFO L93 Difference]: Finished difference Result 161 states and 189 transitions. [2024-11-17 03:48:41,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 03:48:41,872 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 4 states have internal predecessors, (25), 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 50 [2024-11-17 03:48:41,873 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 03:48:41,873 INFO L225 Difference]: With dead ends: 161 [2024-11-17 03:48:41,873 INFO L226 Difference]: Without dead ends: 159 [2024-11-17 03:48:41,874 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-17 03:48:41,874 INFO L432 NwaCegarLoop]: 43 mSDtfsCounter, 8 mSDsluCounter, 66 mSDsCounter, 0 mSdLazyCounter, 64 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 109 SdHoareTripleChecker+Invalid, 65 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 64 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 03:48:41,874 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 109 Invalid, 65 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 64 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 03:48:41,875 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 159 states. [2024-11-17 03:48:41,878 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 159 to 158. [2024-11-17 03:48:41,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 158 states, 145 states have (on average 1.282758620689655) internal successors, (186), 157 states have internal predecessors, (186), 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 03:48:41,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 158 states and 186 transitions. [2024-11-17 03:48:41,880 INFO L78 Accepts]: Start accepts. Automaton has 158 states and 186 transitions. Word has length 50 [2024-11-17 03:48:41,880 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 03:48:41,880 INFO L471 AbstractCegarLoop]: Abstraction has 158 states and 186 transitions. [2024-11-17 03:48:41,880 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 4 states have internal predecessors, (25), 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 03:48:41,880 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 186 transitions. [2024-11-17 03:48:41,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2024-11-17 03:48:41,881 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 03:48:41,881 INFO L215 NwaCegarLoop]: trace histogram [5, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 03:48:41,881 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-17 03:48:41,882 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-11-17 03:48:41,882 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 03:48:41,882 INFO L85 PathProgramCache]: Analyzing trace with hash -1899080303, now seen corresponding path program 1 times [2024-11-17 03:48:41,882 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 03:48:41,882 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1850404977] [2024-11-17 03:48:41,882 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:48:41,883 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 03:48:41,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:48:41,962 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2024-11-17 03:48:41,962 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 03:48:41,962 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1850404977] [2024-11-17 03:48:41,962 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1850404977] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 03:48:41,962 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1854447858] [2024-11-17 03:48:41,963 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:48:41,963 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 03:48:41,963 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 03:48:41,965 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 03:48:41,966 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 03:48:42,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:48:42,032 INFO L255 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-17 03:48:42,033 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 03:48:42,137 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 18 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 03:48:42,137 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 03:48:42,254 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 18 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 03:48:42,255 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1854447858] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 03:48:42,255 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 03:48:42,255 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 9, 9] total 14 [2024-11-17 03:48:42,255 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [360644845] [2024-11-17 03:48:42,255 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 03:48:42,255 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-17 03:48:42,256 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 03:48:42,256 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-17 03:48:42,256 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=141, Unknown=0, NotChecked=0, Total=182 [2024-11-17 03:48:42,256 INFO L87 Difference]: Start difference. First operand 158 states and 186 transitions. Second operand has 14 states, 14 states have (on average 7.428571428571429) internal successors, (104), 14 states have internal predecessors, (104), 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 03:48:42,785 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 03:48:42,786 INFO L93 Difference]: Finished difference Result 431 states and 545 transitions. [2024-11-17 03:48:42,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-11-17 03:48:42,786 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 7.428571428571429) internal successors, (104), 14 states have internal predecessors, (104), 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 60 [2024-11-17 03:48:42,787 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 03:48:42,788 INFO L225 Difference]: With dead ends: 431 [2024-11-17 03:48:42,788 INFO L226 Difference]: Without dead ends: 336 [2024-11-17 03:48:42,789 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 140 GetRequests, 105 SyntacticMatches, 5 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 191 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=177, Invalid=815, Unknown=0, NotChecked=0, Total=992 [2024-11-17 03:48:42,789 INFO L432 NwaCegarLoop]: 33 mSDtfsCounter, 395 mSDsluCounter, 230 mSDsCounter, 0 mSdLazyCounter, 501 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 395 SdHoareTripleChecker+Valid, 263 SdHoareTripleChecker+Invalid, 509 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 501 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-17 03:48:42,790 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [395 Valid, 263 Invalid, 509 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 501 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-17 03:48:42,790 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 336 states. [2024-11-17 03:48:42,798 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 336 to 318. [2024-11-17 03:48:42,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 318 states, 305 states have (on average 1.340983606557377) internal successors, (409), 317 states have internal predecessors, (409), 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 03:48:42,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 318 states and 409 transitions. [2024-11-17 03:48:42,800 INFO L78 Accepts]: Start accepts. Automaton has 318 states and 409 transitions. Word has length 60 [2024-11-17 03:48:42,800 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 03:48:42,800 INFO L471 AbstractCegarLoop]: Abstraction has 318 states and 409 transitions. [2024-11-17 03:48:42,800 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 7.428571428571429) internal successors, (104), 14 states have internal predecessors, (104), 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 03:48:42,800 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 409 transitions. [2024-11-17 03:48:42,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2024-11-17 03:48:42,801 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 03:48:42,801 INFO L215 NwaCegarLoop]: trace histogram [7, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 03:48:42,819 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-17 03:48:43,005 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 03:48:43,006 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-11-17 03:48:43,006 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 03:48:43,006 INFO L85 PathProgramCache]: Analyzing trace with hash -198503234, now seen corresponding path program 1 times [2024-11-17 03:48:43,007 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 03:48:43,007 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [952361731] [2024-11-17 03:48:43,007 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:48:43,007 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 03:48:43,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:48:43,105 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 130 trivial. 0 not checked. [2024-11-17 03:48:43,106 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 03:48:43,106 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [952361731] [2024-11-17 03:48:43,106 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [952361731] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 03:48:43,106 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [262781005] [2024-11-17 03:48:43,106 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:48:43,106 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 03:48:43,106 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 03:48:43,108 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 03:48:43,109 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 03:48:43,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:48:43,175 INFO L255 TraceCheckSpWp]: Trace formula consists of 173 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-17 03:48:43,179 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 03:48:43,450 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 157 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-17 03:48:43,450 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 03:48:43,450 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [262781005] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 03:48:43,450 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-17 03:48:43,450 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [4] total 15 [2024-11-17 03:48:43,451 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1352827922] [2024-11-17 03:48:43,451 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 03:48:43,451 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-17 03:48:43,451 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 03:48:43,452 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-17 03:48:43,452 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=157, Unknown=0, NotChecked=0, Total=210 [2024-11-17 03:48:43,452 INFO L87 Difference]: Start difference. First operand 318 states and 409 transitions. Second operand has 12 states, 12 states have (on average 6.916666666666667) internal successors, (83), 12 states have internal predecessors, (83), 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 03:48:43,621 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 03:48:43,621 INFO L93 Difference]: Finished difference Result 554 states and 712 transitions. [2024-11-17 03:48:43,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-17 03:48:43,622 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 6.916666666666667) internal successors, (83), 12 states have internal predecessors, (83), 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 85 [2024-11-17 03:48:43,622 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 03:48:43,623 INFO L225 Difference]: With dead ends: 554 [2024-11-17 03:48:43,623 INFO L226 Difference]: Without dead ends: 316 [2024-11-17 03:48:43,624 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 75 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=53, Invalid=157, Unknown=0, NotChecked=0, Total=210 [2024-11-17 03:48:43,624 INFO L432 NwaCegarLoop]: 70 mSDtfsCounter, 73 mSDsluCounter, 166 mSDsCounter, 0 mSdLazyCounter, 284 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 73 SdHoareTripleChecker+Valid, 236 SdHoareTripleChecker+Invalid, 285 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 284 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-17 03:48:43,624 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [73 Valid, 236 Invalid, 285 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 284 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-17 03:48:43,625 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 316 states. [2024-11-17 03:48:43,633 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 316 to 302. [2024-11-17 03:48:43,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 302 states, 290 states have (on average 1.296551724137931) internal successors, (376), 301 states have internal predecessors, (376), 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 03:48:43,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 302 states and 376 transitions. [2024-11-17 03:48:43,634 INFO L78 Accepts]: Start accepts. Automaton has 302 states and 376 transitions. Word has length 85 [2024-11-17 03:48:43,634 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 03:48:43,635 INFO L471 AbstractCegarLoop]: Abstraction has 302 states and 376 transitions. [2024-11-17 03:48:43,635 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 6.916666666666667) internal successors, (83), 12 states have internal predecessors, (83), 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 03:48:43,635 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 376 transitions. [2024-11-17 03:48:43,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2024-11-17 03:48:43,635 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 03:48:43,635 INFO L215 NwaCegarLoop]: trace histogram [7, 6, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 03:48:43,652 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 03:48:43,836 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2024-11-17 03:48:43,836 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-11-17 03:48:43,836 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 03:48:43,837 INFO L85 PathProgramCache]: Analyzing trace with hash 1089242454, now seen corresponding path program 1 times [2024-11-17 03:48:43,837 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 03:48:43,837 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1111835196] [2024-11-17 03:48:43,837 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:48:43,837 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 03:48:43,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:48:43,926 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 110 trivial. 0 not checked. [2024-11-17 03:48:43,927 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 03:48:43,927 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1111835196] [2024-11-17 03:48:43,927 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1111835196] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 03:48:43,927 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [386689439] [2024-11-17 03:48:43,927 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:48:43,927 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 03:48:43,927 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 03:48:43,929 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 03:48:43,935 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 03:48:44,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:48:44,001 INFO L255 TraceCheckSpWp]: Trace formula consists of 173 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-17 03:48:44,003 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 03:48:44,099 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 110 trivial. 0 not checked. [2024-11-17 03:48:44,099 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 03:48:44,202 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 110 trivial. 0 not checked. [2024-11-17 03:48:44,202 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [386689439] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 03:48:44,202 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 03:48:44,202 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 9 [2024-11-17 03:48:44,203 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [316980229] [2024-11-17 03:48:44,203 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 03:48:44,203 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-17 03:48:44,203 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 03:48:44,204 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-17 03:48:44,204 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-11-17 03:48:44,204 INFO L87 Difference]: Start difference. First operand 302 states and 376 transitions. Second operand has 10 states, 9 states have (on average 11.88888888888889) internal successors, (107), 10 states have internal predecessors, (107), 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 03:48:44,323 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 03:48:44,323 INFO L93 Difference]: Finished difference Result 320 states and 399 transitions. [2024-11-17 03:48:44,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-17 03:48:44,323 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 11.88888888888889) internal successors, (107), 10 states have internal predecessors, (107), 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 85 [2024-11-17 03:48:44,324 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 03:48:44,325 INFO L225 Difference]: With dead ends: 320 [2024-11-17 03:48:44,325 INFO L226 Difference]: Without dead ends: 317 [2024-11-17 03:48:44,325 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 172 GetRequests, 164 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-11-17 03:48:44,326 INFO L432 NwaCegarLoop]: 31 mSDtfsCounter, 42 mSDsluCounter, 146 mSDsCounter, 0 mSdLazyCounter, 179 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 42 SdHoareTripleChecker+Valid, 177 SdHoareTripleChecker+Invalid, 186 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 179 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 03:48:44,326 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [42 Valid, 177 Invalid, 186 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 179 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 03:48:44,326 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 317 states. [2024-11-17 03:48:44,332 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 317 to 317. [2024-11-17 03:48:44,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 317 states, 305 states have (on average 1.2459016393442623) internal successors, (380), 316 states have internal predecessors, (380), 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 03:48:44,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 317 states and 380 transitions. [2024-11-17 03:48:44,334 INFO L78 Accepts]: Start accepts. Automaton has 317 states and 380 transitions. Word has length 85 [2024-11-17 03:48:44,334 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 03:48:44,334 INFO L471 AbstractCegarLoop]: Abstraction has 317 states and 380 transitions. [2024-11-17 03:48:44,334 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 11.88888888888889) internal successors, (107), 10 states have internal predecessors, (107), 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 03:48:44,334 INFO L276 IsEmpty]: Start isEmpty. Operand 317 states and 380 transitions. [2024-11-17 03:48:44,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2024-11-17 03:48:44,334 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 03:48:44,335 INFO L215 NwaCegarLoop]: trace histogram [7, 6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 03:48:44,351 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-17 03:48:44,535 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-11-17 03:48:44,535 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-11-17 03:48:44,536 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 03:48:44,536 INFO L85 PathProgramCache]: Analyzing trace with hash -593222285, now seen corresponding path program 1 times [2024-11-17 03:48:44,536 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 03:48:44,536 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [971662644] [2024-11-17 03:48:44,536 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:48:44,536 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 03:48:44,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:48:44,641 INFO L134 CoverageAnalysis]: Checked inductivity of 143 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 110 trivial. 0 not checked. [2024-11-17 03:48:44,641 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 03:48:44,642 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [971662644] [2024-11-17 03:48:44,642 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [971662644] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 03:48:44,642 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [417977269] [2024-11-17 03:48:44,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:48:44,642 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 03:48:44,642 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 03:48:44,644 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 03:48:44,650 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 03:48:44,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:48:44,714 INFO L255 TraceCheckSpWp]: Trace formula consists of 174 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-17 03:48:44,715 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 03:48:44,835 INFO L134 CoverageAnalysis]: Checked inductivity of 143 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 110 trivial. 0 not checked. [2024-11-17 03:48:44,835 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 03:48:44,835 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [417977269] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 03:48:44,835 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-17 03:48:44,836 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 8 [2024-11-17 03:48:44,838 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1265796517] [2024-11-17 03:48:44,838 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 03:48:44,839 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-17 03:48:44,839 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 03:48:44,839 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-17 03:48:44,839 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2024-11-17 03:48:44,839 INFO L87 Difference]: Start difference. First operand 317 states and 380 transitions. Second operand has 6 states, 5 states have (on average 8.6) internal successors, (43), 6 states have internal predecessors, (43), 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 03:48:44,937 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 03:48:44,938 INFO L93 Difference]: Finished difference Result 319 states and 380 transitions. [2024-11-17 03:48:44,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-17 03:48:44,938 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 8.6) internal successors, (43), 6 states have internal predecessors, (43), 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 86 [2024-11-17 03:48:44,938 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 03:48:44,939 INFO L225 Difference]: With dead ends: 319 [2024-11-17 03:48:44,939 INFO L226 Difference]: Without dead ends: 314 [2024-11-17 03:48:44,940 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 83 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2024-11-17 03:48:44,940 INFO L432 NwaCegarLoop]: 39 mSDtfsCounter, 38 mSDsluCounter, 67 mSDsCounter, 0 mSdLazyCounter, 123 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 38 SdHoareTripleChecker+Valid, 106 SdHoareTripleChecker+Invalid, 129 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 123 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 03:48:44,940 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [38 Valid, 106 Invalid, 129 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 123 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 03:48:44,941 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 314 states. [2024-11-17 03:48:44,953 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 314 to 314. [2024-11-17 03:48:44,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 314 states, 305 states have (on average 1.1901639344262296) internal successors, (363), 313 states have internal predecessors, (363), 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 03:48:44,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 314 states and 363 transitions. [2024-11-17 03:48:44,955 INFO L78 Accepts]: Start accepts. Automaton has 314 states and 363 transitions. Word has length 86 [2024-11-17 03:48:44,955 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 03:48:44,955 INFO L471 AbstractCegarLoop]: Abstraction has 314 states and 363 transitions. [2024-11-17 03:48:44,955 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 8.6) internal successors, (43), 6 states have internal predecessors, (43), 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 03:48:44,956 INFO L276 IsEmpty]: Start isEmpty. Operand 314 states and 363 transitions. [2024-11-17 03:48:44,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2024-11-17 03:48:44,956 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 03:48:44,956 INFO L215 NwaCegarLoop]: trace histogram [7, 6, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 03:48:44,973 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 03:48:45,156 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-11-17 03:48:45,157 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-11-17 03:48:45,157 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 03:48:45,157 INFO L85 PathProgramCache]: Analyzing trace with hash -1210021644, now seen corresponding path program 1 times [2024-11-17 03:48:45,157 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 03:48:45,158 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [398594217] [2024-11-17 03:48:45,158 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:48:45,158 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 03:48:45,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:48:45,226 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2024-11-17 03:48:45,226 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 03:48:45,226 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [398594217] [2024-11-17 03:48:45,226 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [398594217] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 03:48:45,227 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 03:48:45,227 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-17 03:48:45,227 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2121995327] [2024-11-17 03:48:45,227 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 03:48:45,227 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 03:48:45,227 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 03:48:45,228 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 03:48:45,228 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-17 03:48:45,228 INFO L87 Difference]: Start difference. First operand 314 states and 363 transitions. Second operand has 4 states, 3 states have (on average 13.666666666666666) internal successors, (41), 4 states have internal predecessors, (41), 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 03:48:45,270 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 03:48:45,270 INFO L93 Difference]: Finished difference Result 316 states and 363 transitions. [2024-11-17 03:48:45,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 03:48:45,271 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 13.666666666666666) internal successors, (41), 4 states have internal predecessors, (41), 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 87 [2024-11-17 03:48:45,271 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 03:48:45,272 INFO L225 Difference]: With dead ends: 316 [2024-11-17 03:48:45,272 INFO L226 Difference]: Without dead ends: 314 [2024-11-17 03:48:45,272 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-17 03:48:45,273 INFO L432 NwaCegarLoop]: 44 mSDtfsCounter, 15 mSDsluCounter, 34 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 78 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-17 03:48:45,273 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 78 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-17 03:48:45,274 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 314 states. [2024-11-17 03:48:45,280 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 314 to 314. [2024-11-17 03:48:45,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 314 states, 305 states have (on average 1.1770491803278689) internal successors, (359), 313 states have internal predecessors, (359), 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 03:48:45,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 314 states and 359 transitions. [2024-11-17 03:48:45,282 INFO L78 Accepts]: Start accepts. Automaton has 314 states and 359 transitions. Word has length 87 [2024-11-17 03:48:45,282 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 03:48:45,282 INFO L471 AbstractCegarLoop]: Abstraction has 314 states and 359 transitions. [2024-11-17 03:48:45,282 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 13.666666666666666) internal successors, (41), 4 states have internal predecessors, (41), 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 03:48:45,283 INFO L276 IsEmpty]: Start isEmpty. Operand 314 states and 359 transitions. [2024-11-17 03:48:45,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-11-17 03:48:45,283 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 03:48:45,283 INFO L215 NwaCegarLoop]: trace histogram [6, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 03:48:45,284 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-17 03:48:45,284 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-11-17 03:48:45,284 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 03:48:45,284 INFO L85 PathProgramCache]: Analyzing trace with hash -1653849861, now seen corresponding path program 1 times [2024-11-17 03:48:45,284 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 03:48:45,285 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [202069696] [2024-11-17 03:48:45,285 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:48:45,285 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 03:48:45,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:48:45,399 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2024-11-17 03:48:45,399 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 03:48:45,399 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [202069696] [2024-11-17 03:48:45,399 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [202069696] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 03:48:45,399 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2124741508] [2024-11-17 03:48:45,399 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:48:45,399 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 03:48:45,399 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 03:48:45,401 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 03:48:45,403 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 03:48:45,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:48:45,477 INFO L255 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-17 03:48:45,479 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 03:48:45,512 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2024-11-17 03:48:45,512 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 03:48:45,512 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2124741508] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 03:48:45,512 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-17 03:48:45,512 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2024-11-17 03:48:45,513 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1419999314] [2024-11-17 03:48:45,513 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 03:48:45,513 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-17 03:48:45,513 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 03:48:45,514 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-17 03:48:45,514 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-11-17 03:48:45,514 INFO L87 Difference]: Start difference. First operand 314 states and 359 transitions. Second operand has 6 states, 5 states have (on average 10.2) internal successors, (51), 6 states have internal predecessors, (51), 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 03:48:45,596 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 03:48:45,596 INFO L93 Difference]: Finished difference Result 315 states and 360 transitions. [2024-11-17 03:48:45,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-17 03:48:45,596 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 10.2) internal successors, (51), 6 states have internal predecessors, (51), 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 97 [2024-11-17 03:48:45,597 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 03:48:45,598 INFO L225 Difference]: With dead ends: 315 [2024-11-17 03:48:45,598 INFO L226 Difference]: Without dead ends: 314 [2024-11-17 03:48:45,598 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 95 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-11-17 03:48:45,599 INFO L432 NwaCegarLoop]: 38 mSDtfsCounter, 50 mSDsluCounter, 96 mSDsCounter, 0 mSdLazyCounter, 100 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 134 SdHoareTripleChecker+Invalid, 102 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 100 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 03:48:45,599 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [50 Valid, 134 Invalid, 102 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 100 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 03:48:45,600 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 314 states. [2024-11-17 03:48:45,606 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 314 to 313. [2024-11-17 03:48:45,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 313 states, 305 states have (on average 1.1737704918032787) internal successors, (358), 312 states have internal predecessors, (358), 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 03:48:45,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 313 states and 358 transitions. [2024-11-17 03:48:45,608 INFO L78 Accepts]: Start accepts. Automaton has 313 states and 358 transitions. Word has length 97 [2024-11-17 03:48:45,608 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 03:48:45,608 INFO L471 AbstractCegarLoop]: Abstraction has 313 states and 358 transitions. [2024-11-17 03:48:45,608 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 10.2) internal successors, (51), 6 states have internal predecessors, (51), 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 03:48:45,608 INFO L276 IsEmpty]: Start isEmpty. Operand 313 states and 358 transitions. [2024-11-17 03:48:45,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-11-17 03:48:45,609 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 03:48:45,609 INFO L215 NwaCegarLoop]: trace histogram [6, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 03:48:45,627 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-17 03:48:45,809 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 03:48:45,810 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-11-17 03:48:45,810 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 03:48:45,810 INFO L85 PathProgramCache]: Analyzing trace with hash 270261836, now seen corresponding path program 1 times [2024-11-17 03:48:45,811 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 03:48:45,811 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2125390553] [2024-11-17 03:48:45,811 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:48:45,811 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 03:48:45,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:48:45,911 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2024-11-17 03:48:45,911 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 03:48:45,911 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2125390553] [2024-11-17 03:48:45,911 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2125390553] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 03:48:45,911 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [373674044] [2024-11-17 03:48:45,911 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:48:45,912 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 03:48:45,912 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 03:48:45,913 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 03:48:45,915 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 03:48:45,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:48:45,992 INFO L255 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-17 03:48:45,994 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 03:48:46,025 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2024-11-17 03:48:46,025 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 03:48:46,071 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2024-11-17 03:48:46,071 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [373674044] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 03:48:46,071 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 03:48:46,071 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 11 [2024-11-17 03:48:46,071 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [784258980] [2024-11-17 03:48:46,071 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 03:48:46,072 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-17 03:48:46,072 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 03:48:46,072 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-17 03:48:46,072 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2024-11-17 03:48:46,073 INFO L87 Difference]: Start difference. First operand 313 states and 358 transitions. Second operand has 12 states, 11 states have (on average 7.2727272727272725) internal successors, (80), 12 states have internal predecessors, (80), 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 03:48:46,214 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 03:48:46,214 INFO L93 Difference]: Finished difference Result 341 states and 391 transitions. [2024-11-17 03:48:46,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-17 03:48:46,214 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 7.2727272727272725) internal successors, (80), 12 states have internal predecessors, (80), 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 98 [2024-11-17 03:48:46,214 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 03:48:46,216 INFO L225 Difference]: With dead ends: 341 [2024-11-17 03:48:46,216 INFO L226 Difference]: Without dead ends: 340 [2024-11-17 03:48:46,216 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 199 GetRequests, 189 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2024-11-17 03:48:46,217 INFO L432 NwaCegarLoop]: 31 mSDtfsCounter, 48 mSDsluCounter, 137 mSDsCounter, 0 mSdLazyCounter, 162 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 168 SdHoareTripleChecker+Invalid, 167 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 162 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 03:48:46,217 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [48 Valid, 168 Invalid, 167 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 162 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 03:48:46,217 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 340 states. [2024-11-17 03:48:46,224 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 340 to 340. [2024-11-17 03:48:46,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 340 states, 332 states have (on average 1.1686746987951808) internal successors, (388), 339 states have internal predecessors, (388), 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 03:48:46,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 340 states and 388 transitions. [2024-11-17 03:48:46,226 INFO L78 Accepts]: Start accepts. Automaton has 340 states and 388 transitions. Word has length 98 [2024-11-17 03:48:46,226 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 03:48:46,226 INFO L471 AbstractCegarLoop]: Abstraction has 340 states and 388 transitions. [2024-11-17 03:48:46,226 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 7.2727272727272725) internal successors, (80), 12 states have internal predecessors, (80), 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 03:48:46,226 INFO L276 IsEmpty]: Start isEmpty. Operand 340 states and 388 transitions. [2024-11-17 03:48:46,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-11-17 03:48:46,227 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 03:48:46,227 INFO L215 NwaCegarLoop]: trace histogram [8, 7, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 03:48:46,244 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 03:48:46,427 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,SelfDestructingSolverStorable20 [2024-11-17 03:48:46,428 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-11-17 03:48:46,428 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 03:48:46,429 INFO L85 PathProgramCache]: Analyzing trace with hash -367706719, now seen corresponding path program 2 times [2024-11-17 03:48:46,429 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 03:48:46,429 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1023817852] [2024-11-17 03:48:46,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:48:46,429 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 03:48:46,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:48:46,543 INFO L134 CoverageAnalysis]: Checked inductivity of 206 backedges. 86 proven. 6 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2024-11-17 03:48:46,543 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 03:48:46,543 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1023817852] [2024-11-17 03:48:46,544 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1023817852] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 03:48:46,544 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [466351510] [2024-11-17 03:48:46,544 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-17 03:48:46,544 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 03:48:46,544 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 03:48:46,546 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 03:48:46,551 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 03:48:46,622 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-17 03:48:46,623 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-17 03:48:46,624 INFO L255 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-17 03:48:46,625 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 03:48:46,815 INFO L134 CoverageAnalysis]: Checked inductivity of 206 backedges. 96 proven. 0 refuted. 0 times theorem prover too weak. 110 trivial. 0 not checked. [2024-11-17 03:48:46,815 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 03:48:46,815 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [466351510] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 03:48:46,815 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-17 03:48:46,815 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [5] total 11 [2024-11-17 03:48:46,816 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [772086207] [2024-11-17 03:48:46,816 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 03:48:46,816 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-17 03:48:46,817 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 03:48:46,817 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-17 03:48:46,817 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2024-11-17 03:48:46,817 INFO L87 Difference]: Start difference. First operand 340 states and 388 transitions. Second operand has 8 states, 7 states have (on average 7.857142857142857) internal successors, (55), 8 states have internal predecessors, (55), 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 03:48:46,957 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 03:48:46,957 INFO L93 Difference]: Finished difference Result 340 states and 388 transitions. [2024-11-17 03:48:46,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-17 03:48:46,959 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 7.857142857142857) internal successors, (55), 8 states have internal predecessors, (55), 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 98 [2024-11-17 03:48:46,959 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 03:48:46,961 INFO L225 Difference]: With dead ends: 340 [2024-11-17 03:48:46,961 INFO L226 Difference]: Without dead ends: 338 [2024-11-17 03:48:46,961 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2024-11-17 03:48:46,963 INFO L432 NwaCegarLoop]: 35 mSDtfsCounter, 16 mSDsluCounter, 91 mSDsCounter, 0 mSdLazyCounter, 238 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 126 SdHoareTripleChecker+Invalid, 239 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 238 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 03:48:46,963 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 126 Invalid, 239 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 238 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 03:48:46,964 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 338 states. [2024-11-17 03:48:46,971 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 338 to 338. [2024-11-17 03:48:46,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 338 states, 332 states have (on average 1.1265060240963856) internal successors, (374), 337 states have internal predecessors, (374), 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 03:48:46,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 338 states to 338 states and 374 transitions. [2024-11-17 03:48:46,972 INFO L78 Accepts]: Start accepts. Automaton has 338 states and 374 transitions. Word has length 98 [2024-11-17 03:48:46,973 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 03:48:46,973 INFO L471 AbstractCegarLoop]: Abstraction has 338 states and 374 transitions. [2024-11-17 03:48:46,973 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 7.857142857142857) internal successors, (55), 8 states have internal predecessors, (55), 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 03:48:46,973 INFO L276 IsEmpty]: Start isEmpty. Operand 338 states and 374 transitions. [2024-11-17 03:48:46,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-11-17 03:48:46,974 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 03:48:46,974 INFO L215 NwaCegarLoop]: trace histogram [8, 7, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 03:48:46,989 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 03:48:47,178 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 03:48:47,179 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-11-17 03:48:47,179 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 03:48:47,179 INFO L85 PathProgramCache]: Analyzing trace with hash 1485993606, now seen corresponding path program 2 times [2024-11-17 03:48:47,179 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 03:48:47,179 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [935010948] [2024-11-17 03:48:47,179 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:48:47,180 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 03:48:47,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:48:47,234 INFO L134 CoverageAnalysis]: Checked inductivity of 211 backedges. 70 proven. 2 refuted. 0 times theorem prover too weak. 139 trivial. 0 not checked. [2024-11-17 03:48:47,235 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 03:48:47,235 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [935010948] [2024-11-17 03:48:47,235 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [935010948] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 03:48:47,235 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1585445772] [2024-11-17 03:48:47,235 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-17 03:48:47,235 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 03:48:47,235 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 03:48:47,237 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 03:48:47,238 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-17 03:48:47,301 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-17 03:48:47,301 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-17 03:48:47,302 INFO L255 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-17 03:48:47,303 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 03:48:47,323 INFO L134 CoverageAnalysis]: Checked inductivity of 211 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 185 trivial. 0 not checked. [2024-11-17 03:48:47,323 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 03:48:47,323 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1585445772] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 03:48:47,324 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-17 03:48:47,324 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2024-11-17 03:48:47,324 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [765620058] [2024-11-17 03:48:47,324 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 03:48:47,325 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 03:48:47,325 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 03:48:47,325 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 03:48:47,325 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-11-17 03:48:47,325 INFO L87 Difference]: Start difference. First operand 338 states and 374 transitions. Second operand has 4 states, 3 states have (on average 13.0) internal successors, (39), 4 states have internal predecessors, (39), 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 03:48:47,367 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 03:48:47,367 INFO L93 Difference]: Finished difference Result 338 states and 374 transitions. [2024-11-17 03:48:47,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 03:48:47,367 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 13.0) internal successors, (39), 4 states have internal predecessors, (39), 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 99 [2024-11-17 03:48:47,368 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 03:48:47,369 INFO L225 Difference]: With dead ends: 338 [2024-11-17 03:48:47,369 INFO L226 Difference]: Without dead ends: 336 [2024-11-17 03:48:47,369 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 97 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-11-17 03:48:47,369 INFO L432 NwaCegarLoop]: 39 mSDtfsCounter, 10 mSDsluCounter, 47 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 86 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-17 03:48:47,370 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 86 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-17 03:48:47,370 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 336 states. [2024-11-17 03:48:47,376 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 336 to 336. [2024-11-17 03:48:47,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 336 states, 332 states have (on average 1.0843373493975903) internal successors, (360), 335 states have internal predecessors, (360), 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 03:48:47,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 336 states to 336 states and 360 transitions. [2024-11-17 03:48:47,377 INFO L78 Accepts]: Start accepts. Automaton has 336 states and 360 transitions. Word has length 99 [2024-11-17 03:48:47,377 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 03:48:47,377 INFO L471 AbstractCegarLoop]: Abstraction has 336 states and 360 transitions. [2024-11-17 03:48:47,377 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 13.0) internal successors, (39), 4 states have internal predecessors, (39), 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 03:48:47,377 INFO L276 IsEmpty]: Start isEmpty. Operand 336 states and 360 transitions. [2024-11-17 03:48:47,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2024-11-17 03:48:47,378 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 03:48:47,378 INFO L215 NwaCegarLoop]: trace histogram [6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 03:48:47,396 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-11-17 03:48:47,582 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable22 [2024-11-17 03:48:47,583 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-11-17 03:48:47,583 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 03:48:47,583 INFO L85 PathProgramCache]: Analyzing trace with hash -320226735, now seen corresponding path program 2 times [2024-11-17 03:48:47,583 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 03:48:47,583 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1022875231] [2024-11-17 03:48:47,583 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:48:47,583 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 03:48:47,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:48:47,792 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 0 proven. 86 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2024-11-17 03:48:47,792 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 03:48:47,792 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1022875231] [2024-11-17 03:48:47,792 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1022875231] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 03:48:47,792 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [97968340] [2024-11-17 03:48:47,793 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-17 03:48:47,793 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 03:48:47,793 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 03:48:47,795 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 03:48:47,796 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-11-17 03:48:47,867 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-17 03:48:47,867 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-17 03:48:47,868 INFO L255 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-17 03:48:47,869 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 03:48:48,027 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 176 trivial. 0 not checked. [2024-11-17 03:48:48,028 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 03:48:48,177 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 176 trivial. 0 not checked. [2024-11-17 03:48:48,177 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [97968340] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 03:48:48,178 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 03:48:48,178 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 4, 4] total 14 [2024-11-17 03:48:48,178 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1645433087] [2024-11-17 03:48:48,178 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 03:48:48,178 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-17 03:48:48,179 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 03:48:48,179 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-17 03:48:48,179 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=153, Unknown=0, NotChecked=0, Total=210 [2024-11-17 03:48:48,179 INFO L87 Difference]: Start difference. First operand 336 states and 360 transitions. Second operand has 15 states, 14 states have (on average 9.214285714285714) internal successors, (129), 15 states have internal predecessors, (129), 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 03:48:48,422 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 03:48:48,422 INFO L93 Difference]: Finished difference Result 348 states and 374 transitions. [2024-11-17 03:48:48,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-17 03:48:48,423 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 9.214285714285714) internal successors, (129), 15 states have internal predecessors, (129), 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 125 [2024-11-17 03:48:48,423 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 03:48:48,424 INFO L225 Difference]: With dead ends: 348 [2024-11-17 03:48:48,424 INFO L226 Difference]: Without dead ends: 290 [2024-11-17 03:48:48,425 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 273 GetRequests, 246 SyntacticMatches, 2 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 113 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=165, Invalid=537, Unknown=0, NotChecked=0, Total=702 [2024-11-17 03:48:48,425 INFO L432 NwaCegarLoop]: 23 mSDtfsCounter, 114 mSDsluCounter, 152 mSDsCounter, 0 mSdLazyCounter, 208 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 114 SdHoareTripleChecker+Valid, 175 SdHoareTripleChecker+Invalid, 214 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 208 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 03:48:48,425 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [114 Valid, 175 Invalid, 214 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 208 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 03:48:48,426 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 290 states. [2024-11-17 03:48:48,431 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 290 to 290. [2024-11-17 03:48:48,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 290 states, 287 states have (on average 1.0662020905923344) internal successors, (306), 289 states have internal predecessors, (306), 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 03:48:48,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 290 states and 306 transitions. [2024-11-17 03:48:48,432 INFO L78 Accepts]: Start accepts. Automaton has 290 states and 306 transitions. Word has length 125 [2024-11-17 03:48:48,432 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 03:48:48,433 INFO L471 AbstractCegarLoop]: Abstraction has 290 states and 306 transitions. [2024-11-17 03:48:48,433 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 9.214285714285714) internal successors, (129), 15 states have internal predecessors, (129), 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 03:48:48,433 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 306 transitions. [2024-11-17 03:48:48,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2024-11-17 03:48:48,435 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 03:48:48,435 INFO L215 NwaCegarLoop]: trace histogram [18, 15, 15, 15, 15, 15, 12, 12, 12, 12, 12, 12, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 03:48:48,452 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-11-17 03:48:48,638 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable23 [2024-11-17 03:48:48,639 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-11-17 03:48:48,639 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 03:48:48,639 INFO L85 PathProgramCache]: Analyzing trace with hash 2129464714, now seen corresponding path program 1 times [2024-11-17 03:48:48,639 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 03:48:48,639 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [389864033] [2024-11-17 03:48:48,639 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:48:48,639 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 03:48:48,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:48:48,735 INFO L134 CoverageAnalysis]: Checked inductivity of 1198 backedges. 540 proven. 0 refuted. 0 times theorem prover too weak. 658 trivial. 0 not checked. [2024-11-17 03:48:48,735 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 03:48:48,735 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [389864033] [2024-11-17 03:48:48,735 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [389864033] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 03:48:48,735 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 03:48:48,735 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-17 03:48:48,736 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1333239639] [2024-11-17 03:48:48,736 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 03:48:48,736 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 03:48:48,736 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 03:48:48,737 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 03:48:48,737 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-17 03:48:48,737 INFO L87 Difference]: Start difference. First operand 290 states and 306 transitions. Second operand has 4 states, 3 states have (on average 18.666666666666668) internal successors, (56), 4 states have internal predecessors, (56), 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 03:48:48,768 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 03:48:48,768 INFO L93 Difference]: Finished difference Result 290 states and 306 transitions. [2024-11-17 03:48:48,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 03:48:48,769 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 18.666666666666668) internal successors, (56), 4 states have internal predecessors, (56), 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 215 [2024-11-17 03:48:48,769 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 03:48:48,770 INFO L225 Difference]: With dead ends: 290 [2024-11-17 03:48:48,770 INFO L226 Difference]: Without dead ends: 289 [2024-11-17 03:48:48,771 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-17 03:48:48,774 INFO L432 NwaCegarLoop]: 20 mSDtfsCounter, 5 mSDsluCounter, 29 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 49 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-17 03:48:48,774 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 49 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-17 03:48:48,775 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 289 states. [2024-11-17 03:48:48,781 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 289 to 289. [2024-11-17 03:48:48,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 289 states, 287 states have (on average 1.0627177700348431) internal successors, (305), 288 states have internal predecessors, (305), 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 03:48:48,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 289 states and 305 transitions. [2024-11-17 03:48:48,782 INFO L78 Accepts]: Start accepts. Automaton has 289 states and 305 transitions. Word has length 215 [2024-11-17 03:48:48,782 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 03:48:48,783 INFO L471 AbstractCegarLoop]: Abstraction has 289 states and 305 transitions. [2024-11-17 03:48:48,783 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 18.666666666666668) internal successors, (56), 4 states have internal predecessors, (56), 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 03:48:48,783 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states and 305 transitions. [2024-11-17 03:48:48,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2024-11-17 03:48:48,785 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 03:48:48,785 INFO L215 NwaCegarLoop]: trace histogram [19, 16, 15, 15, 15, 15, 13, 13, 12, 12, 12, 12, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 03:48:48,785 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2024-11-17 03:48:48,785 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-11-17 03:48:48,786 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 03:48:48,786 INFO L85 PathProgramCache]: Analyzing trace with hash 2141080266, now seen corresponding path program 2 times [2024-11-17 03:48:48,786 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 03:48:48,786 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1469419460] [2024-11-17 03:48:48,786 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:48:48,786 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 03:48:48,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:48:49,239 INFO L134 CoverageAnalysis]: Checked inductivity of 1287 backedges. 0 proven. 81 refuted. 0 times theorem prover too weak. 1206 trivial. 0 not checked. [2024-11-17 03:48:49,240 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 03:48:49,240 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1469419460] [2024-11-17 03:48:49,240 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1469419460] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 03:48:49,240 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2089371047] [2024-11-17 03:48:49,240 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-17 03:48:49,241 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 03:48:49,241 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 03:48:49,243 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 03:48:49,244 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-11-17 03:48:49,330 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-17 03:48:49,330 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-17 03:48:49,331 INFO L255 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-17 03:48:49,334 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 03:48:49,901 INFO L134 CoverageAnalysis]: Checked inductivity of 1287 backedges. 0 proven. 75 refuted. 0 times theorem prover too weak. 1212 trivial. 0 not checked. [2024-11-17 03:48:49,902 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 03:48:50,268 INFO L134 CoverageAnalysis]: Checked inductivity of 1287 backedges. 0 proven. 75 refuted. 0 times theorem prover too weak. 1212 trivial. 0 not checked. [2024-11-17 03:48:50,268 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2089371047] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 03:48:50,269 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 03:48:50,269 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 4, 3] total 9 [2024-11-17 03:48:50,269 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [116990470] [2024-11-17 03:48:50,269 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 03:48:50,269 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-17 03:48:50,269 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 03:48:50,270 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-17 03:48:50,270 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2024-11-17 03:48:50,270 INFO L87 Difference]: Start difference. First operand 289 states and 305 transitions. Second operand has 10 states, 9 states have (on average 11.88888888888889) internal successors, (107), 10 states have internal predecessors, (107), 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 03:48:50,312 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 03:48:50,312 INFO L93 Difference]: Finished difference Result 289 states and 305 transitions. [2024-11-17 03:48:50,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-17 03:48:50,313 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 11.88888888888889) internal successors, (107), 10 states have internal predecessors, (107), 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 225 [2024-11-17 03:48:50,313 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 03:48:50,313 INFO L225 Difference]: With dead ends: 289 [2024-11-17 03:48:50,313 INFO L226 Difference]: Without dead ends: 0 [2024-11-17 03:48:50,314 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 455 GetRequests, 445 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=44, Invalid=66, Unknown=0, NotChecked=0, Total=110 [2024-11-17 03:48:50,314 INFO L432 NwaCegarLoop]: 17 mSDtfsCounter, 47 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 47 SdHoareTripleChecker+Valid, 22 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-17 03:48:50,314 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [47 Valid, 22 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-17 03:48:50,315 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-17 03:48:50,315 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-17 03:48:50,315 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 03:48:50,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-17 03:48:50,315 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 225 [2024-11-17 03:48:50,315 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 03:48:50,315 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-17 03:48:50,315 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 11.88888888888889) internal successors, (107), 10 states have internal predecessors, (107), 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 03:48:50,315 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-17 03:48:50,316 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-17 03:48:50,318 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 16 remaining) [2024-11-17 03:48:50,318 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 16 remaining) [2024-11-17 03:48:50,318 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 16 remaining) [2024-11-17 03:48:50,318 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 16 remaining) [2024-11-17 03:48:50,318 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 16 remaining) [2024-11-17 03:48:50,319 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 16 remaining) [2024-11-17 03:48:50,319 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 16 remaining) [2024-11-17 03:48:50,319 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 16 remaining) [2024-11-17 03:48:50,319 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 16 remaining) [2024-11-17 03:48:50,319 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 16 remaining) [2024-11-17 03:48:50,319 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 16 remaining) [2024-11-17 03:48:50,319 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 16 remaining) [2024-11-17 03:48:50,319 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 16 remaining) [2024-11-17 03:48:50,319 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 16 remaining) [2024-11-17 03:48:50,319 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 16 remaining) [2024-11-17 03:48:50,319 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 16 remaining) [2024-11-17 03:48:50,336 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2024-11-17 03:48:50,520 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2024-11-17 03:48:50,523 INFO L407 BasicCegarLoop]: Path program histogram: [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 03:48:50,524 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-17 03:48:50,962 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-17 03:48:50,973 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.11 03:48:50 BoogieIcfgContainer [2024-11-17 03:48:50,973 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-17 03:48:50,974 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-17 03:48:50,974 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-17 03:48:50,974 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-17 03:48:50,974 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 03:48:38" (3/4) ... [2024-11-17 03:48:50,976 INFO L143 WitnessPrinter]: Generating witness for correct program [2024-11-17 03:48:50,987 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 24 nodes and edges [2024-11-17 03:48:50,987 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2024-11-17 03:48:50,988 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-17 03:48:50,988 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-17 03:48:51,077 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-17 03:48:51,078 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-17 03:48:51,078 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-17 03:48:51,078 INFO L158 Benchmark]: Toolchain (without parser) took 13579.96ms. Allocated memory was 157.3MB in the beginning and 232.8MB in the end (delta: 75.5MB). Free memory was 124.2MB in the beginning and 102.2MB in the end (delta: 22.0MB). Peak memory consumption was 98.5MB. Max. memory is 16.1GB. [2024-11-17 03:48:51,078 INFO L158 Benchmark]: CDTParser took 0.90ms. Allocated memory is still 119.5MB. Free memory is still 78.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-17 03:48:51,078 INFO L158 Benchmark]: CACSL2BoogieTranslator took 279.47ms. Allocated memory is still 157.3MB. Free memory was 124.2MB in the beginning and 111.8MB in the end (delta: 12.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-17 03:48:51,079 INFO L158 Benchmark]: Boogie Procedure Inliner took 31.43ms. Allocated memory is still 157.3MB. Free memory was 111.8MB in the beginning and 109.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-17 03:48:51,079 INFO L158 Benchmark]: Boogie Preprocessor took 35.95ms. Allocated memory is still 157.3MB. Free memory was 109.7MB in the beginning and 107.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-17 03:48:51,079 INFO L158 Benchmark]: IcfgBuilder took 436.94ms. Allocated memory is still 157.3MB. Free memory was 107.6MB in the beginning and 91.8MB in the end (delta: 15.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-17 03:48:51,079 INFO L158 Benchmark]: TraceAbstraction took 12685.40ms. Allocated memory was 157.3MB in the beginning and 232.8MB in the end (delta: 75.5MB). Free memory was 90.9MB in the beginning and 107.5MB in the end (delta: -16.6MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. [2024-11-17 03:48:51,079 INFO L158 Benchmark]: Witness Printer took 104.00ms. Allocated memory is still 232.8MB. Free memory was 107.5MB in the beginning and 102.2MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-17 03:48:51,080 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.90ms. Allocated memory is still 119.5MB. Free memory is still 78.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 279.47ms. Allocated memory is still 157.3MB. Free memory was 124.2MB in the beginning and 111.8MB in the end (delta: 12.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 31.43ms. Allocated memory is still 157.3MB. Free memory was 111.8MB in the beginning and 109.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 35.95ms. Allocated memory is still 157.3MB. Free memory was 109.7MB in the beginning and 107.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * IcfgBuilder took 436.94ms. Allocated memory is still 157.3MB. Free memory was 107.6MB in the beginning and 91.8MB in the end (delta: 15.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 12685.40ms. Allocated memory was 157.3MB in the beginning and 232.8MB in the end (delta: 75.5MB). Free memory was 90.9MB in the beginning and 107.5MB in the end (delta: -16.6MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. * Witness Printer took 104.00ms. Allocated memory is still 232.8MB. Free memory was 107.5MB in the beginning and 102.2MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 43]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 43]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 30]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 30]: 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 - 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 - 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: 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: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: 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 1 procedures, 64 locations, 16 error locations. Started 1 CEGAR loops. OverallTime: 12.2s, OverallIterations: 26, TraceHistogramMax: 19, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 2.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1388 SdHoareTripleChecker+Valid, 2.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1388 mSDsluCounter, 2909 SdHoareTripleChecker+Invalid, 1.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1849 mSDsCounter, 64 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2666 IncrementalHoareTripleChecker+Invalid, 2730 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 64 mSolverCounterUnsat, 1060 mSDtfsCounter, 2666 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1854 GetRequests, 1681 SyntacticMatches, 8 SemanticMatches, 165 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 442 ImplicationChecksByTransitivity, 1.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=340occurred in iteration=21, InterpolantAutomatonStates: 176, 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, 26 MinimizatonAttempts, 81 StatesRemovedByMinimization, 13 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 5.2s InterpolantComputationTime, 2783 NumberOfCodeBlocks, 2385 NumberOfCodeBlocksAsserted, 39 NumberOfCheckSat, 3358 ConstructedInterpolants, 0 QuantifiedInterpolants, 10973 SizeOfPredicates, 6 NumberOfNonLiveVariables, 1665 ConjunctsInSsa, 65 ConjunctsInUnsatCore, 44 InterpolantComputations, 20 PerfectInterpolantSequences, 7890/8559 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 16 specifications checked. All of them hold - InvariantResult [Line: 30]: Location Invariant Derived location invariant: null - InvariantResult [Line: 43]: Location Invariant Derived location invariant: null - InvariantResult [Line: 28]: Location Invariant Derived location invariant: null RESULT: Ultimate proved your program to be correct! [2024-11-17 03:48:51,110 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE