./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/reducercommutativity/max40-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 3289d67d Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/reducercommutativity/max40-1.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash a8d5806586012290ae42296af495175d1f0a3275a3232981eda33ec55888f6d2 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-17 03:48:04,613 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-17 03:48:04,654 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-17 03:48:04,658 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-17 03:48:04,658 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-17 03:48:04,677 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-17 03:48:04,677 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-17 03:48:04,678 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-17 03:48:04,678 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-17 03:48:04,681 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-17 03:48:04,682 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-17 03:48:04,682 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-17 03:48:04,682 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-17 03:48:04,682 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-17 03:48:04,683 INFO L153 SettingsManager]: * Use SBE=true [2024-11-17 03:48:04,683 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-17 03:48:04,685 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-17 03:48:04,685 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-17 03:48:04,685 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-17 03:48:04,685 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-17 03:48:04,685 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-17 03:48:04,686 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-17 03:48:04,686 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-17 03:48:04,686 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-17 03:48:04,687 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-17 03:48:04,687 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-17 03:48:04,687 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-17 03:48:04,687 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-17 03:48:04,687 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-17 03:48:04,687 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-17 03:48:04,688 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-17 03:48:04,688 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-17 03:48:04,688 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-17 03:48:04,688 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-17 03:48:04,688 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-17 03:48:04,689 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-17 03:48:04,689 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-17 03:48:04,689 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-17 03:48:04,689 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-17 03:48:04,689 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-17 03:48:04,690 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-17 03:48:04,691 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-17 03:48:04,691 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-17 03:48:04,691 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-17 03:48:04,691 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a8d5806586012290ae42296af495175d1f0a3275a3232981eda33ec55888f6d2 [2024-11-17 03:48:04,899 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-17 03:48:04,927 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-17 03:48:04,929 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-17 03:48:04,934 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-17 03:48:04,934 INFO L274 PluginConnector]: CDTParser initialized [2024-11-17 03:48:04,935 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/reducercommutativity/max40-1.i [2024-11-17 03:48:06,180 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-17 03:48:06,325 INFO L384 CDTParser]: Found 1 translation units. [2024-11-17 03:48:06,325 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/reducercommutativity/max40-1.i [2024-11-17 03:48:06,331 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e7c662a98/9a6ff0336bc445d9b1543ac817799835/FLAG26093f1cf [2024-11-17 03:48:06,341 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e7c662a98/9a6ff0336bc445d9b1543ac817799835 [2024-11-17 03:48:06,345 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-17 03:48:06,346 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-17 03:48:06,349 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-17 03:48:06,349 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-17 03:48:06,354 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-17 03:48:06,354 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 03:48:06" (1/1) ... [2024-11-17 03:48:06,355 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3b9683cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:48:06, skipping insertion in model container [2024-11-17 03:48:06,355 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 03:48:06" (1/1) ... [2024-11-17 03:48:06,372 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-17 03:48:06,515 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-17 03:48:06,523 INFO L200 MainTranslator]: Completed pre-run [2024-11-17 03:48:06,548 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-17 03:48:06,566 INFO L204 MainTranslator]: Completed translation [2024-11-17 03:48:06,566 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:48:06 WrapperNode [2024-11-17 03:48:06,567 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-17 03:48:06,567 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-17 03:48:06,568 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-17 03:48:06,568 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-17 03:48:06,573 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:48:06" (1/1) ... [2024-11-17 03:48:06,606 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:48:06" (1/1) ... [2024-11-17 03:48:06,621 INFO L138 Inliner]: procedures = 16, calls = 24, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 75 [2024-11-17 03:48:06,621 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-17 03:48:06,622 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-17 03:48:06,622 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-17 03:48:06,622 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-17 03:48:06,630 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:48:06" (1/1) ... [2024-11-17 03:48:06,630 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:48:06" (1/1) ... [2024-11-17 03:48:06,632 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:48:06" (1/1) ... [2024-11-17 03:48:06,662 INFO L175 MemorySlicer]: Split 13 memory accesses to 2 slices as follows [2, 11]. 85 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0]. The 5 writes are split as follows [0, 5]. [2024-11-17 03:48:06,662 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:48:06" (1/1) ... [2024-11-17 03:48:06,662 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:48:06" (1/1) ... [2024-11-17 03:48:06,667 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:48:06" (1/1) ... [2024-11-17 03:48:06,668 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:48:06" (1/1) ... [2024-11-17 03:48:06,669 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:48:06" (1/1) ... [2024-11-17 03:48:06,669 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:48:06" (1/1) ... [2024-11-17 03:48:06,671 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-17 03:48:06,672 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-17 03:48:06,672 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-17 03:48:06,672 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-17 03:48:06,673 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:48:06" (1/1) ... [2024-11-17 03:48:06,684 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-17 03:48:06,700 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 03:48:06,732 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 03:48:06,736 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 03:48:06,775 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-17 03:48:06,775 INFO L130 BoogieDeclarations]: Found specification of procedure max [2024-11-17 03:48:06,776 INFO L138 BoogieDeclarations]: Found implementation of procedure max [2024-11-17 03:48:06,776 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-17 03:48:06,776 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-17 03:48:06,776 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-17 03:48:06,776 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-17 03:48:06,776 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-17 03:48:06,776 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-17 03:48:06,778 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-17 03:48:06,778 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-17 03:48:06,778 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-17 03:48:06,778 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-17 03:48:06,845 INFO L256 CfgBuilder]: Building ICFG [2024-11-17 03:48:06,848 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-17 03:48:07,020 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L28: call ULTIMATE.dealloc(main_~#x~0#1.base, main_~#x~0#1.offset);havoc main_~#x~0#1.base, main_~#x~0#1.offset; [2024-11-17 03:48:07,038 INFO L? ?]: Removed 30 outVars from TransFormulas that were not future-live. [2024-11-17 03:48:07,038 INFO L307 CfgBuilder]: Performing block encoding [2024-11-17 03:48:07,051 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-17 03:48:07,051 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-17 03:48:07,051 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 03:48:07 BoogieIcfgContainer [2024-11-17 03:48:07,051 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-17 03:48:07,053 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-17 03:48:07,053 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-17 03:48:07,056 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-17 03:48:07,056 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.11 03:48:06" (1/3) ... [2024-11-17 03:48:07,056 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e741b1c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 03:48:07, skipping insertion in model container [2024-11-17 03:48:07,056 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:48:06" (2/3) ... [2024-11-17 03:48:07,057 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e741b1c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 03:48:07, skipping insertion in model container [2024-11-17 03:48:07,057 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 03:48:07" (3/3) ... [2024-11-17 03:48:07,058 INFO L112 eAbstractionObserver]: Analyzing ICFG max40-1.i [2024-11-17 03:48:07,071 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-17 03:48:07,071 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2024-11-17 03:48:07,117 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-17 03:48:07,123 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;@169c1163, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-17 03:48:07,124 INFO L334 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2024-11-17 03:48:07,129 INFO L276 IsEmpty]: Start isEmpty. Operand has 49 states, 36 states have (on average 1.4722222222222223) internal successors, (53), 44 states have internal predecessors, (53), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-17 03:48:07,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-17 03:48:07,134 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 03:48:07,135 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2024-11-17 03:48:07,135 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [maxErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, maxErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-17 03:48:07,139 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 03:48:07,140 INFO L85 PathProgramCache]: Analyzing trace with hash 85854645, now seen corresponding path program 1 times [2024-11-17 03:48:07,148 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 03:48:07,148 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [315924222] [2024-11-17 03:48:07,148 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:48:07,149 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 03:48:07,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:48:07,323 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 03:48:07,324 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 03:48:07,324 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [315924222] [2024-11-17 03:48:07,324 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [315924222] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 03:48:07,325 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 03:48:07,325 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-17 03:48:07,326 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1552576573] [2024-11-17 03:48:07,326 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 03:48:07,329 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 03:48:07,330 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 03:48:07,348 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 03:48:07,349 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-17 03:48:07,351 INFO L87 Difference]: Start difference. First operand has 49 states, 36 states have (on average 1.4722222222222223) internal successors, (53), 44 states have internal predecessors, (53), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:48:07,415 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 03:48:07,415 INFO L93 Difference]: Finished difference Result 95 states and 118 transitions. [2024-11-17 03:48:07,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 03:48:07,418 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2024-11-17 03:48:07,418 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 03:48:07,424 INFO L225 Difference]: With dead ends: 95 [2024-11-17 03:48:07,424 INFO L226 Difference]: Without dead ends: 46 [2024-11-17 03:48:07,426 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 03:48:07,429 INFO L432 NwaCegarLoop]: 49 mSDtfsCounter, 2 mSDsluCounter, 90 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 139 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-17 03:48:07,430 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 139 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-17 03:48:07,445 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2024-11-17 03:48:07,458 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 45. [2024-11-17 03:48:07,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45 states, 33 states have (on average 1.3636363636363635) internal successors, (45), 41 states have internal predecessors, (45), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-17 03:48:07,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 50 transitions. [2024-11-17 03:48:07,462 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 50 transitions. Word has length 5 [2024-11-17 03:48:07,462 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 03:48:07,462 INFO L471 AbstractCegarLoop]: Abstraction has 45 states and 50 transitions. [2024-11-17 03:48:07,462 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:48:07,462 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 50 transitions. [2024-11-17 03:48:07,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-17 03:48:07,463 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 03:48:07,463 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1] [2024-11-17 03:48:07,463 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-17 03:48:07,464 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [maxErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, maxErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-17 03:48:07,464 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 03:48:07,464 INFO L85 PathProgramCache]: Analyzing trace with hash 254874946, now seen corresponding path program 1 times [2024-11-17 03:48:07,465 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 03:48:07,465 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [584537335] [2024-11-17 03:48:07,465 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:48:07,465 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 03:48:07,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:48:07,575 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 03:48:07,576 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 03:48:07,576 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [584537335] [2024-11-17 03:48:07,576 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [584537335] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 03:48:07,576 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1098521022] [2024-11-17 03:48:07,578 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:48:07,578 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 03:48:07,578 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 03:48:07,584 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 03:48:07,585 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 03:48:07,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:48:07,633 INFO L255 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-17 03:48:07,637 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 03:48:07,740 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 03:48:07,740 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 03:48:07,740 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1098521022] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 03:48:07,740 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-17 03:48:07,740 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2024-11-17 03:48:07,741 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [677915900] [2024-11-17 03:48:07,741 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 03:48:07,741 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-17 03:48:07,741 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 03:48:07,742 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-17 03:48:07,742 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-11-17 03:48:07,742 INFO L87 Difference]: Start difference. First operand 45 states and 50 transitions. Second operand has 6 states, 5 states have (on average 2.0) internal successors, (10), 6 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:48:07,784 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 03:48:07,784 INFO L93 Difference]: Finished difference Result 46 states and 51 transitions. [2024-11-17 03:48:07,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-17 03:48:07,785 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 2.0) internal successors, (10), 6 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2024-11-17 03:48:07,785 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 03:48:07,786 INFO L225 Difference]: With dead ends: 46 [2024-11-17 03:48:07,786 INFO L226 Difference]: Without dead ends: 45 [2024-11-17 03:48:07,786 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 8 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 03:48:07,787 INFO L432 NwaCegarLoop]: 40 mSDtfsCounter, 2 mSDsluCounter, 76 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 116 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-17 03:48:07,787 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 116 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-17 03:48:07,788 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2024-11-17 03:48:07,791 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 44. [2024-11-17 03:48:07,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44 states, 33 states have (on average 1.3333333333333333) internal successors, (44), 40 states have internal predecessors, (44), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-17 03:48:07,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 49 transitions. [2024-11-17 03:48:07,792 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 49 transitions. Word has length 10 [2024-11-17 03:48:07,792 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 03:48:07,792 INFO L471 AbstractCegarLoop]: Abstraction has 44 states and 49 transitions. [2024-11-17 03:48:07,793 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 2.0) internal successors, (10), 6 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:48:07,794 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 49 transitions. [2024-11-17 03:48:07,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-17 03:48:07,796 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 03:48:07,796 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1] [2024-11-17 03:48:07,809 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 03:48:08,000 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 03:48:08,001 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [maxErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, maxErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-17 03:48:08,002 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 03:48:08,003 INFO L85 PathProgramCache]: Analyzing trace with hash -688811247, now seen corresponding path program 1 times [2024-11-17 03:48:08,003 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 03:48:08,003 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1246943511] [2024-11-17 03:48:08,003 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:48:08,003 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 03:48:08,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:48:08,040 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-17 03:48:08,041 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 03:48:08,041 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1246943511] [2024-11-17 03:48:08,041 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1246943511] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 03:48:08,041 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 03:48:08,041 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-17 03:48:08,042 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [21868468] [2024-11-17 03:48:08,042 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 03:48:08,042 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-17 03:48:08,042 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 03:48:08,043 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-17 03:48:08,043 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 03:48:08,043 INFO L87 Difference]: Start difference. First operand 44 states and 49 transitions. Second operand has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:48:08,050 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 03:48:08,050 INFO L93 Difference]: Finished difference Result 44 states and 49 transitions. [2024-11-17 03:48:08,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-17 03:48:08,051 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2024-11-17 03:48:08,051 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 03:48:08,051 INFO L225 Difference]: With dead ends: 44 [2024-11-17 03:48:08,051 INFO L226 Difference]: Without dead ends: 43 [2024-11-17 03:48:08,052 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 03:48:08,052 INFO L432 NwaCegarLoop]: 41 mSDtfsCounter, 1 mSDsluCounter, 39 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 80 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-17 03:48:08,053 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 80 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-17 03:48:08,053 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2024-11-17 03:48:08,056 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 41. [2024-11-17 03:48:08,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41 states, 31 states have (on average 1.3225806451612903) internal successors, (41), 37 states have internal predecessors, (41), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-17 03:48:08,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 46 transitions. [2024-11-17 03:48:08,057 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 46 transitions. Word has length 11 [2024-11-17 03:48:08,057 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 03:48:08,057 INFO L471 AbstractCegarLoop]: Abstraction has 41 states and 46 transitions. [2024-11-17 03:48:08,057 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 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 03:48:08,058 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 46 transitions. [2024-11-17 03:48:08,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-17 03:48:08,058 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 03:48:08,058 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 03:48:08,058 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-17 03:48:08,059 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting maxErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [maxErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, maxErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-17 03:48:08,059 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 03:48:08,059 INFO L85 PathProgramCache]: Analyzing trace with hash 1982650171, now seen corresponding path program 1 times [2024-11-17 03:48:08,059 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 03:48:08,060 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [376663626] [2024-11-17 03:48:08,060 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:48:08,060 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 03:48:08,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:48:08,124 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 03:48:08,125 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 03:48:08,125 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [376663626] [2024-11-17 03:48:08,125 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [376663626] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 03:48:08,125 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1493541280] [2024-11-17 03:48:08,125 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:48:08,125 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 03:48:08,126 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 03:48:08,127 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 03:48:08,128 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 03:48:08,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:48:08,187 INFO L255 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-17 03:48:08,189 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 03:48:08,215 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 03:48:08,216 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 03:48:08,252 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 03:48:08,253 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1493541280] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 03:48:08,253 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 03:48:08,253 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2024-11-17 03:48:08,253 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [828602051] [2024-11-17 03:48:08,253 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 03:48:08,253 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-17 03:48:08,253 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 03:48:08,254 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-17 03:48:08,254 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-11-17 03:48:08,254 INFO L87 Difference]: Start difference. First operand 41 states and 46 transitions. Second operand has 10 states, 10 states have (on average 3.0) internal successors, (30), 10 states have internal predecessors, (30), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:48:08,305 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 03:48:08,306 INFO L93 Difference]: Finished difference Result 83 states and 94 transitions. [2024-11-17 03:48:08,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-17 03:48:08,306 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 3.0) internal successors, (30), 10 states have internal predecessors, (30), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2024-11-17 03:48:08,306 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 03:48:08,310 INFO L225 Difference]: With dead ends: 83 [2024-11-17 03:48:08,310 INFO L226 Difference]: Without dead ends: 51 [2024-11-17 03:48:08,310 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 29 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 03:48:08,311 INFO L432 NwaCegarLoop]: 40 mSDtfsCounter, 0 mSDsluCounter, 229 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 269 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-17 03:48:08,311 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 269 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-17 03:48:08,312 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2024-11-17 03:48:08,318 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2024-11-17 03:48:08,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51 states, 41 states have (on average 1.2439024390243902) internal successors, (51), 47 states have internal predecessors, (51), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-17 03:48:08,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 56 transitions. [2024-11-17 03:48:08,321 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 56 transitions. Word has length 17 [2024-11-17 03:48:08,321 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 03:48:08,321 INFO L471 AbstractCegarLoop]: Abstraction has 51 states and 56 transitions. [2024-11-17 03:48:08,321 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 3.0) internal successors, (30), 10 states have internal predecessors, (30), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:48:08,321 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 56 transitions. [2024-11-17 03:48:08,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-17 03:48:08,323 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 03:48:08,323 INFO L215 NwaCegarLoop]: trace histogram [4, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 03:48:08,335 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 03:48:08,526 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,SelfDestructingSolverStorable3 [2024-11-17 03:48:08,527 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting maxErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [maxErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, maxErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-17 03:48:08,528 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 03:48:08,528 INFO L85 PathProgramCache]: Analyzing trace with hash -2104502437, now seen corresponding path program 2 times [2024-11-17 03:48:08,529 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 03:48:08,529 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [198427373] [2024-11-17 03:48:08,529 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:48:08,529 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 03:48:08,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:48:08,580 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-11-17 03:48:08,580 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 03:48:08,581 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [198427373] [2024-11-17 03:48:08,581 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [198427373] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 03:48:08,581 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 03:48:08,581 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-17 03:48:08,581 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1657310839] [2024-11-17 03:48:08,581 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 03:48:08,581 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 03:48:08,582 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 03:48:08,582 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 03:48:08,582 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-17 03:48:08,582 INFO L87 Difference]: Start difference. First operand 51 states and 56 transitions. Second operand has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:48:08,606 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 03:48:08,606 INFO L93 Difference]: Finished difference Result 88 states and 102 transitions. [2024-11-17 03:48:08,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 03:48:08,606 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 1 states have call successors, (1), 1 states have call predecessors, (1), 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 03:48:08,607 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 03:48:08,607 INFO L225 Difference]: With dead ends: 88 [2024-11-17 03:48:08,607 INFO L226 Difference]: Without dead ends: 58 [2024-11-17 03:48:08,608 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 03:48:08,608 INFO L432 NwaCegarLoop]: 38 mSDtfsCounter, 3 mSDsluCounter, 72 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 110 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-17 03:48:08,608 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 110 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-17 03:48:08,609 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2024-11-17 03:48:08,617 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 57. [2024-11-17 03:48:08,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57 states, 47 states have (on average 1.2340425531914894) internal successors, (58), 53 states have internal predecessors, (58), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-17 03:48:08,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 63 transitions. [2024-11-17 03:48:08,627 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 63 transitions. Word has length 27 [2024-11-17 03:48:08,628 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 03:48:08,628 INFO L471 AbstractCegarLoop]: Abstraction has 57 states and 63 transitions. [2024-11-17 03:48:08,628 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:48:08,628 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 63 transitions. [2024-11-17 03:48:08,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-17 03:48:08,629 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 03:48:08,629 INFO L215 NwaCegarLoop]: trace histogram [4, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 03:48:08,629 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-17 03:48:08,629 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting maxErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [maxErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, maxErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-17 03:48:08,629 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 03:48:08,629 INFO L85 PathProgramCache]: Analyzing trace with hash 1554521998, now seen corresponding path program 1 times [2024-11-17 03:48:08,629 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 03:48:08,629 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [700274310] [2024-11-17 03:48:08,630 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:48:08,630 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 03:48:08,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:48:08,831 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-17 03:48:08,832 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 03:48:08,832 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [700274310] [2024-11-17 03:48:08,832 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [700274310] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 03:48:08,832 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [365095454] [2024-11-17 03:48:08,832 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:48:08,832 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 03:48:08,832 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 03:48:08,834 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 03:48:08,835 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 03:48:08,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:48:08,901 INFO L255 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-17 03:48:08,902 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 03:48:08,935 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-17 03:48:08,936 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 03:48:09,017 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-17 03:48:09,017 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [365095454] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 03:48:09,018 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 03:48:09,018 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 18 [2024-11-17 03:48:09,018 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1805023963] [2024-11-17 03:48:09,018 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 03:48:09,018 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-17 03:48:09,019 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 03:48:09,019 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-17 03:48:09,019 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2024-11-17 03:48:09,020 INFO L87 Difference]: Start difference. First operand 57 states and 63 transitions. Second operand has 18 states, 18 states have (on average 2.9444444444444446) internal successors, (53), 18 states have internal predecessors, (53), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:48:09,061 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 03:48:09,061 INFO L93 Difference]: Finished difference Result 115 states and 130 transitions. [2024-11-17 03:48:09,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-17 03:48:09,062 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 2.9444444444444446) internal successors, (53), 18 states have internal predecessors, (53), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 34 [2024-11-17 03:48:09,062 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 03:48:09,062 INFO L225 Difference]: With dead ends: 115 [2024-11-17 03:48:09,063 INFO L226 Difference]: Without dead ends: 77 [2024-11-17 03:48:09,063 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 82 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2024-11-17 03:48:09,064 INFO L432 NwaCegarLoop]: 40 mSDtfsCounter, 0 mSDsluCounter, 158 mSDsCounter, 0 mSdLazyCounter, 47 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 198 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 47 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-17 03:48:09,064 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 198 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 47 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-17 03:48:09,064 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2024-11-17 03:48:09,068 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 77. [2024-11-17 03:48:09,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77 states, 67 states have (on average 1.164179104477612) internal successors, (78), 73 states have internal predecessors, (78), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-17 03:48:09,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 83 transitions. [2024-11-17 03:48:09,069 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 83 transitions. Word has length 34 [2024-11-17 03:48:09,069 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 03:48:09,069 INFO L471 AbstractCegarLoop]: Abstraction has 77 states and 83 transitions. [2024-11-17 03:48:09,069 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 2.9444444444444446) internal successors, (53), 18 states have internal predecessors, (53), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:48:09,070 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 83 transitions. [2024-11-17 03:48:09,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2024-11-17 03:48:09,070 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 03:48:09,070 INFO L215 NwaCegarLoop]: trace histogram [8, 7, 7, 7, 7, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 03:48:09,082 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-17 03:48:09,274 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 03:48:09,275 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting maxErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [maxErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, maxErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-17 03:48:09,275 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 03:48:09,275 INFO L85 PathProgramCache]: Analyzing trace with hash 1019170638, now seen corresponding path program 2 times [2024-11-17 03:48:09,276 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 03:48:09,276 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [59585333] [2024-11-17 03:48:09,276 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:48:09,276 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 03:48:09,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:48:09,540 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 0 proven. 119 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-17 03:48:09,541 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 03:48:09,541 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [59585333] [2024-11-17 03:48:09,542 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [59585333] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 03:48:09,542 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [143643073] [2024-11-17 03:48:09,542 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-17 03:48:09,542 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 03:48:09,542 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 03:48:09,544 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 03:48:09,545 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 03:48:09,612 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-17 03:48:09,612 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-17 03:48:09,613 INFO L255 TraceCheckSpWp]: Trace formula consists of 177 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-17 03:48:09,614 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 03:48:09,695 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 0 proven. 119 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-17 03:48:09,695 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 03:48:09,960 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 0 proven. 119 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-17 03:48:09,961 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [143643073] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 03:48:09,961 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 03:48:09,961 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17, 17] total 34 [2024-11-17 03:48:09,961 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1676348647] [2024-11-17 03:48:09,961 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 03:48:09,961 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2024-11-17 03:48:09,961 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 03:48:09,962 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2024-11-17 03:48:09,962 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=306, Invalid=816, Unknown=0, NotChecked=0, Total=1122 [2024-11-17 03:48:09,963 INFO L87 Difference]: Start difference. First operand 77 states and 83 transitions. Second operand has 34 states, 34 states have (on average 2.735294117647059) internal successors, (93), 34 states have internal predecessors, (93), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:48:10,033 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 03:48:10,034 INFO L93 Difference]: Finished difference Result 155 states and 174 transitions. [2024-11-17 03:48:10,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-11-17 03:48:10,034 INFO L78 Accepts]: Start accepts. Automaton has has 34 states, 34 states have (on average 2.735294117647059) internal successors, (93), 34 states have internal predecessors, (93), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 54 [2024-11-17 03:48:10,035 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 03:48:10,035 INFO L225 Difference]: With dead ends: 155 [2024-11-17 03:48:10,035 INFO L226 Difference]: Without dead ends: 117 [2024-11-17 03:48:10,036 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 123 GetRequests, 91 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 334 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=306, Invalid=816, Unknown=0, NotChecked=0, Total=1122 [2024-11-17 03:48:10,036 INFO L432 NwaCegarLoop]: 40 mSDtfsCounter, 0 mSDsluCounter, 283 mSDsCounter, 0 mSdLazyCounter, 82 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 323 SdHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 82 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 03:48:10,037 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 323 Invalid, 82 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 82 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 03:48:10,037 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states. [2024-11-17 03:48:10,041 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 117. [2024-11-17 03:48:10,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117 states, 107 states have (on average 1.102803738317757) internal successors, (118), 113 states have internal predecessors, (118), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-17 03:48:10,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 123 transitions. [2024-11-17 03:48:10,043 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 123 transitions. Word has length 54 [2024-11-17 03:48:10,043 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 03:48:10,043 INFO L471 AbstractCegarLoop]: Abstraction has 117 states and 123 transitions. [2024-11-17 03:48:10,043 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 34 states have (on average 2.735294117647059) internal successors, (93), 34 states have internal predecessors, (93), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:48:10,043 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 123 transitions. [2024-11-17 03:48:10,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-11-17 03:48:10,045 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 03:48:10,045 INFO L215 NwaCegarLoop]: trace histogram [16, 15, 15, 15, 15, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 03:48:10,057 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 03:48:10,245 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 03:48:10,247 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting maxErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [maxErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, maxErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-17 03:48:10,247 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 03:48:10,247 INFO L85 PathProgramCache]: Analyzing trace with hash 1346211534, now seen corresponding path program 3 times [2024-11-17 03:48:10,247 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 03:48:10,248 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [253736547] [2024-11-17 03:48:10,248 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:48:10,248 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 03:48:10,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:48:10,849 INFO L134 CoverageAnalysis]: Checked inductivity of 560 backedges. 0 proven. 555 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-17 03:48:10,853 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 03:48:10,853 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [253736547] [2024-11-17 03:48:10,853 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [253736547] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 03:48:10,853 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [818809927] [2024-11-17 03:48:10,853 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-17 03:48:10,854 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 03:48:10,854 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 03:48:10,857 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 03:48:10,860 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 03:48:10,930 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-11-17 03:48:10,930 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-17 03:48:10,931 INFO L255 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-17 03:48:10,932 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 03:48:10,988 INFO L134 CoverageAnalysis]: Checked inductivity of 560 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 555 trivial. 0 not checked. [2024-11-17 03:48:10,988 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 03:48:10,988 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [818809927] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 03:48:10,988 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-17 03:48:10,988 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [33] total 36 [2024-11-17 03:48:10,988 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [415893822] [2024-11-17 03:48:10,989 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 03:48:10,989 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-17 03:48:10,989 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 03:48:10,989 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-17 03:48:10,990 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=295, Invalid=965, Unknown=0, NotChecked=0, Total=1260 [2024-11-17 03:48:10,990 INFO L87 Difference]: Start difference. First operand 117 states and 123 transitions. Second operand has 5 states, 4 states have (on average 5.5) internal successors, (22), 5 states have internal predecessors, (22), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:48:11,005 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 03:48:11,005 INFO L93 Difference]: Finished difference Result 117 states and 123 transitions. [2024-11-17 03:48:11,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 03:48:11,006 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 5.5) internal successors, (22), 5 states have internal predecessors, (22), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 94 [2024-11-17 03:48:11,006 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 03:48:11,006 INFO L225 Difference]: With dead ends: 117 [2024-11-17 03:48:11,007 INFO L226 Difference]: Without dead ends: 116 [2024-11-17 03:48:11,007 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 126 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 297 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=295, Invalid=965, Unknown=0, NotChecked=0, Total=1260 [2024-11-17 03:48:11,008 INFO L432 NwaCegarLoop]: 35 mSDtfsCounter, 3 mSDsluCounter, 102 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 137 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-17 03:48:11,008 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 137 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-17 03:48:11,008 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2024-11-17 03:48:11,012 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 116. [2024-11-17 03:48:11,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 116 states, 107 states have (on average 1.0934579439252337) internal successors, (117), 112 states have internal predecessors, (117), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-17 03:48:11,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 122 transitions. [2024-11-17 03:48:11,013 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 122 transitions. Word has length 94 [2024-11-17 03:48:11,014 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 03:48:11,014 INFO L471 AbstractCegarLoop]: Abstraction has 116 states and 122 transitions. [2024-11-17 03:48:11,014 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 5.5) internal successors, (22), 5 states have internal predecessors, (22), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:48:11,014 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 122 transitions. [2024-11-17 03:48:11,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2024-11-17 03:48:11,016 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 03:48:11,016 INFO L215 NwaCegarLoop]: trace histogram [16, 15, 15, 15, 15, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 03:48:11,040 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-11-17 03:48:11,216 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 03:48:11,217 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting maxErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [maxErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, maxErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-17 03:48:11,217 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 03:48:11,217 INFO L85 PathProgramCache]: Analyzing trace with hash -1217115434, now seen corresponding path program 1 times [2024-11-17 03:48:11,218 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 03:48:11,218 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1723838862] [2024-11-17 03:48:11,218 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:48:11,218 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 03:48:11,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:48:11,284 INFO L134 CoverageAnalysis]: Checked inductivity of 561 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 557 trivial. 0 not checked. [2024-11-17 03:48:11,285 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 03:48:11,285 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1723838862] [2024-11-17 03:48:11,285 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1723838862] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 03:48:11,285 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 03:48:11,285 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-17 03:48:11,285 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [407260305] [2024-11-17 03:48:11,285 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 03:48:11,286 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 03:48:11,286 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 03:48:11,286 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 03:48:11,286 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-17 03:48:11,286 INFO L87 Difference]: Start difference. First operand 116 states and 122 transitions. Second operand has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:48:11,298 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 03:48:11,298 INFO L93 Difference]: Finished difference Result 116 states and 122 transitions. [2024-11-17 03:48:11,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 03:48:11,298 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2024-11-17 03:48:11,299 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 03:48:11,299 INFO L225 Difference]: With dead ends: 116 [2024-11-17 03:48:11,299 INFO L226 Difference]: Without dead ends: 113 [2024-11-17 03:48:11,300 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 03:48:11,300 INFO L432 NwaCegarLoop]: 36 mSDtfsCounter, 3 mSDsluCounter, 69 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 105 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-17 03:48:11,300 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 105 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-17 03:48:11,301 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2024-11-17 03:48:11,305 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 109. [2024-11-17 03:48:11,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 109 states, 102 states have (on average 1.0686274509803921) internal successors, (109), 105 states have internal predecessors, (109), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-17 03:48:11,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 113 transitions. [2024-11-17 03:48:11,306 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 113 transitions. Word has length 95 [2024-11-17 03:48:11,307 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 03:48:11,307 INFO L471 AbstractCegarLoop]: Abstraction has 109 states and 113 transitions. [2024-11-17 03:48:11,307 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:48:11,307 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 113 transitions. [2024-11-17 03:48:11,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2024-11-17 03:48:11,308 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 03:48:11,308 INFO L215 NwaCegarLoop]: trace histogram [16, 15, 15, 15, 15, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 03:48:11,308 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-17 03:48:11,308 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [maxErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, maxErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-17 03:48:11,309 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 03:48:11,309 INFO L85 PathProgramCache]: Analyzing trace with hash -1456568694, now seen corresponding path program 1 times [2024-11-17 03:48:11,309 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 03:48:11,309 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1975551074] [2024-11-17 03:48:11,309 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:48:11,309 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 03:48:11,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:48:11,402 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-17 03:48:11,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:48:11,419 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-17 03:48:11,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:48:11,424 INFO L134 CoverageAnalysis]: Checked inductivity of 576 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 558 trivial. 0 not checked. [2024-11-17 03:48:11,424 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 03:48:11,425 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1975551074] [2024-11-17 03:48:11,425 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1975551074] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 03:48:11,425 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [548104636] [2024-11-17 03:48:11,425 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:48:11,425 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 03:48:11,425 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 03:48:11,426 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 03:48:11,435 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 03:48:11,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:48:11,521 INFO L255 TraceCheckSpWp]: Trace formula consists of 343 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-17 03:48:11,523 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 03:48:11,532 INFO L134 CoverageAnalysis]: Checked inductivity of 576 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 576 trivial. 0 not checked. [2024-11-17 03:48:11,532 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 03:48:11,532 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [548104636] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 03:48:11,532 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-17 03:48:11,533 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 6 [2024-11-17 03:48:11,533 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [841892892] [2024-11-17 03:48:11,533 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 03:48:11,533 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-17 03:48:11,533 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 03:48:11,534 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-17 03:48:11,534 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-17 03:48:11,534 INFO L87 Difference]: Start difference. First operand 109 states and 113 transitions. Second operand has 3 states, 2 states have (on average 12.5) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-17 03:48:11,545 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 03:48:11,546 INFO L93 Difference]: Finished difference Result 115 states and 120 transitions. [2024-11-17 03:48:11,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-17 03:48:11,546 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 12.5) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 113 [2024-11-17 03:48:11,546 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 03:48:11,547 INFO L225 Difference]: With dead ends: 115 [2024-11-17 03:48:11,547 INFO L226 Difference]: Without dead ends: 114 [2024-11-17 03:48:11,547 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 117 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-17 03:48:11,548 INFO L432 NwaCegarLoop]: 34 mSDtfsCounter, 2 mSDsluCounter, 30 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 64 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-17 03:48:11,548 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 64 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-17 03:48:11,548 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2024-11-17 03:48:11,552 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 112. [2024-11-17 03:48:11,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 112 states, 105 states have (on average 1.0666666666666667) internal successors, (112), 108 states have internal predecessors, (112), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-17 03:48:11,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 116 transitions. [2024-11-17 03:48:11,552 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 116 transitions. Word has length 113 [2024-11-17 03:48:11,553 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 03:48:11,554 INFO L471 AbstractCegarLoop]: Abstraction has 112 states and 116 transitions. [2024-11-17 03:48:11,554 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 12.5) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-17 03:48:11,554 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 116 transitions. [2024-11-17 03:48:11,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2024-11-17 03:48:11,555 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 03:48:11,555 INFO L215 NwaCegarLoop]: trace histogram [16, 15, 15, 15, 15, 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] [2024-11-17 03:48:11,567 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-11-17 03:48:11,758 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 03:48:11,759 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [maxErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, maxErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-17 03:48:11,759 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 03:48:11,760 INFO L85 PathProgramCache]: Analyzing trace with hash 2091010747, now seen corresponding path program 1 times [2024-11-17 03:48:11,760 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 03:48:11,760 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1763124621] [2024-11-17 03:48:11,760 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:48:11,760 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 03:48:11,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:48:11,822 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-17 03:48:11,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:48:11,841 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-17 03:48:11,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:48:11,845 INFO L134 CoverageAnalysis]: Checked inductivity of 576 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 558 trivial. 0 not checked. [2024-11-17 03:48:11,845 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 03:48:11,845 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1763124621] [2024-11-17 03:48:11,846 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1763124621] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 03:48:11,846 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1715135040] [2024-11-17 03:48:11,846 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:48:11,846 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 03:48:11,846 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 03:48:11,847 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 03:48:11,851 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 03:48:11,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:48:11,937 INFO L255 TraceCheckSpWp]: Trace formula consists of 344 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-17 03:48:11,939 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 03:48:11,953 INFO L134 CoverageAnalysis]: Checked inductivity of 576 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 576 trivial. 0 not checked. [2024-11-17 03:48:11,954 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 03:48:11,954 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1715135040] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 03:48:11,954 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-17 03:48:11,954 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 6 [2024-11-17 03:48:11,954 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1793341544] [2024-11-17 03:48:11,954 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 03:48:11,954 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-17 03:48:11,955 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 03:48:11,955 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-17 03:48:11,956 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-17 03:48:11,956 INFO L87 Difference]: Start difference. First operand 112 states and 116 transitions. Second operand has 3 states, 2 states have (on average 13.0) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-17 03:48:11,968 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 03:48:11,968 INFO L93 Difference]: Finished difference Result 115 states and 119 transitions. [2024-11-17 03:48:11,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-17 03:48:11,968 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 13.0) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 114 [2024-11-17 03:48:11,969 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 03:48:11,969 INFO L225 Difference]: With dead ends: 115 [2024-11-17 03:48:11,969 INFO L226 Difference]: Without dead ends: 114 [2024-11-17 03:48:11,969 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 118 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-17 03:48:11,970 INFO L432 NwaCegarLoop]: 35 mSDtfsCounter, 1 mSDsluCounter, 30 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 65 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 03:48:11,971 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 65 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-17 03:48:11,971 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2024-11-17 03:48:11,976 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 113. [2024-11-17 03:48:11,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 113 states, 106 states have (on average 1.0660377358490567) internal successors, (113), 109 states have internal predecessors, (113), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-17 03:48:11,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 117 transitions. [2024-11-17 03:48:11,977 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 117 transitions. Word has length 114 [2024-11-17 03:48:11,977 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 03:48:11,977 INFO L471 AbstractCegarLoop]: Abstraction has 113 states and 117 transitions. [2024-11-17 03:48:11,977 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 13.0) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-17 03:48:11,977 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 117 transitions. [2024-11-17 03:48:11,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2024-11-17 03:48:11,980 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 03:48:11,980 INFO L215 NwaCegarLoop]: trace histogram [16, 15, 15, 15, 15, 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] [2024-11-17 03:48:11,994 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-11-17 03:48:12,180 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 03:48:12,182 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [maxErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, maxErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-17 03:48:12,182 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 03:48:12,182 INFO L85 PathProgramCache]: Analyzing trace with hash -583366535, now seen corresponding path program 1 times [2024-11-17 03:48:12,182 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 03:48:12,182 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [525960347] [2024-11-17 03:48:12,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:48:12,182 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 03:48:12,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:48:12,283 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-17 03:48:12,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:48:12,303 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-17 03:48:12,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:48:12,307 INFO L134 CoverageAnalysis]: Checked inductivity of 576 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 558 trivial. 0 not checked. [2024-11-17 03:48:12,308 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 03:48:12,308 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [525960347] [2024-11-17 03:48:12,308 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [525960347] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 03:48:12,308 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [483824035] [2024-11-17 03:48:12,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:48:12,308 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 03:48:12,308 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 03:48:12,310 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 03:48:12,311 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 03:48:12,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:48:12,406 INFO L255 TraceCheckSpWp]: Trace formula consists of 351 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-11-17 03:48:12,408 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 03:48:12,839 INFO L134 CoverageAnalysis]: Checked inductivity of 576 backedges. 0 proven. 555 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-11-17 03:48:12,839 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 03:48:13,703 INFO L134 CoverageAnalysis]: Checked inductivity of 576 backedges. 0 proven. 555 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-11-17 03:48:13,704 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [483824035] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 03:48:13,704 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 03:48:13,704 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 33, 33] total 67 [2024-11-17 03:48:13,704 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [630649734] [2024-11-17 03:48:13,704 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 03:48:13,705 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 67 states [2024-11-17 03:48:13,705 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 03:48:13,706 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 67 interpolants. [2024-11-17 03:48:13,707 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1063, Invalid=3359, Unknown=0, NotChecked=0, Total=4422 [2024-11-17 03:48:13,707 INFO L87 Difference]: Start difference. First operand 113 states and 117 transitions. Second operand has 67 states, 67 states have (on average 3.074626865671642) internal successors, (206), 67 states have internal predecessors, (206), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 1 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-17 03:48:13,881 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 03:48:13,881 INFO L93 Difference]: Finished difference Result 236 states and 264 transitions. [2024-11-17 03:48:13,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2024-11-17 03:48:13,882 INFO L78 Accepts]: Start accepts. Automaton has has 67 states, 67 states have (on average 3.074626865671642) internal successors, (206), 67 states have internal predecessors, (206), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 1 states have call predecessors, (5), 2 states have call successors, (5) Word has length 116 [2024-11-17 03:48:13,882 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 03:48:13,883 INFO L225 Difference]: With dead ends: 236 [2024-11-17 03:48:13,883 INFO L226 Difference]: Without dead ends: 202 [2024-11-17 03:48:13,884 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 239 GetRequests, 174 SyntacticMatches, 0 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1171 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=1063, Invalid=3359, Unknown=0, NotChecked=0, Total=4422 [2024-11-17 03:48:13,884 INFO L432 NwaCegarLoop]: 29 mSDtfsCounter, 4 mSDsluCounter, 383 mSDsCounter, 0 mSdLazyCounter, 256 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 412 SdHoareTripleChecker+Invalid, 256 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 256 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 03:48:13,884 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 412 Invalid, 256 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 256 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 03:48:13,885 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 202 states. [2024-11-17 03:48:13,889 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 202 to 200. [2024-11-17 03:48:13,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 200 states, 193 states have (on average 1.0414507772020725) internal successors, (201), 196 states have internal predecessors, (201), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-17 03:48:13,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 200 states and 205 transitions. [2024-11-17 03:48:13,890 INFO L78 Accepts]: Start accepts. Automaton has 200 states and 205 transitions. Word has length 116 [2024-11-17 03:48:13,890 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 03:48:13,890 INFO L471 AbstractCegarLoop]: Abstraction has 200 states and 205 transitions. [2024-11-17 03:48:13,890 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 67 states, 67 states have (on average 3.074626865671642) internal successors, (206), 67 states have internal predecessors, (206), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 1 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-17 03:48:13,890 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 205 transitions. [2024-11-17 03:48:13,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2024-11-17 03:48:13,892 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 03:48:13,892 INFO L215 NwaCegarLoop]: trace histogram [32, 31, 31, 31, 31, 6, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 03:48:13,904 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 03:48:14,092 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2024-11-17 03:48:14,093 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [maxErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, maxErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-17 03:48:14,094 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 03:48:14,094 INFO L85 PathProgramCache]: Analyzing trace with hash -1153642715, now seen corresponding path program 2 times [2024-11-17 03:48:14,094 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 03:48:14,094 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [976025986] [2024-11-17 03:48:14,094 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:48:14,095 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 03:48:14,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:48:14,193 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-17 03:48:14,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:48:14,197 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-11-17 03:48:14,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:48:14,201 INFO L134 CoverageAnalysis]: Checked inductivity of 2451 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2451 trivial. 0 not checked. [2024-11-17 03:48:14,201 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 03:48:14,201 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [976025986] [2024-11-17 03:48:14,202 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [976025986] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 03:48:14,202 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 03:48:14,202 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-17 03:48:14,202 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1339002806] [2024-11-17 03:48:14,202 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 03:48:14,202 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 03:48:14,202 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 03:48:14,203 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 03:48:14,203 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-17 03:48:14,203 INFO L87 Difference]: Start difference. First operand 200 states and 205 transitions. Second operand has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-17 03:48:14,223 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 03:48:14,223 INFO L93 Difference]: Finished difference Result 206 states and 211 transitions. [2024-11-17 03:48:14,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 03:48:14,224 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), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 210 [2024-11-17 03:48:14,224 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 03:48:14,225 INFO L225 Difference]: With dead ends: 206 [2024-11-17 03:48:14,225 INFO L226 Difference]: Without dead ends: 204 [2024-11-17 03:48:14,225 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 5 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 03:48:14,226 INFO L432 NwaCegarLoop]: 32 mSDtfsCounter, 2 mSDsluCounter, 57 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 89 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-17 03:48:14,226 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 89 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-17 03:48:14,226 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 204 states. [2024-11-17 03:48:14,230 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 204 to 203. [2024-11-17 03:48:14,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 203 states, 196 states have (on average 1.0408163265306123) internal successors, (204), 199 states have internal predecessors, (204), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-17 03:48:14,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 203 states and 208 transitions. [2024-11-17 03:48:14,231 INFO L78 Accepts]: Start accepts. Automaton has 203 states and 208 transitions. Word has length 210 [2024-11-17 03:48:14,231 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 03:48:14,231 INFO L471 AbstractCegarLoop]: Abstraction has 203 states and 208 transitions. [2024-11-17 03:48:14,231 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), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-17 03:48:14,231 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 208 transitions. [2024-11-17 03:48:14,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2024-11-17 03:48:14,234 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 03:48:14,234 INFO L215 NwaCegarLoop]: trace histogram [32, 31, 31, 31, 31, 6, 4, 4, 4, 4, 4, 4, 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 03:48:14,234 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-17 03:48:14,238 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [maxErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, maxErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-17 03:48:14,238 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 03:48:14,238 INFO L85 PathProgramCache]: Analyzing trace with hash 1687131684, now seen corresponding path program 1 times [2024-11-17 03:48:14,239 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 03:48:14,239 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1612253281] [2024-11-17 03:48:14,239 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:48:14,239 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 03:48:14,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:48:14,375 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-17 03:48:14,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:48:14,379 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-11-17 03:48:14,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:48:14,383 INFO L134 CoverageAnalysis]: Checked inductivity of 2454 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 2451 trivial. 0 not checked. [2024-11-17 03:48:14,383 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 03:48:14,383 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1612253281] [2024-11-17 03:48:14,383 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1612253281] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 03:48:14,384 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [578890755] [2024-11-17 03:48:14,384 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:48:14,384 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 03:48:14,384 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 03:48:14,387 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 03:48:14,389 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 03:48:14,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:48:14,520 INFO L255 TraceCheckSpWp]: Trace formula consists of 615 conjuncts, 64 conjuncts are in the unsatisfiable core [2024-11-17 03:48:14,523 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 03:48:15,836 INFO L134 CoverageAnalysis]: Checked inductivity of 2454 backedges. 0 proven. 2387 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2024-11-17 03:48:15,836 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 03:48:17,683 INFO L134 CoverageAnalysis]: Checked inductivity of 2454 backedges. 0 proven. 2387 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2024-11-17 03:48:17,684 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [578890755] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 03:48:17,684 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 03:48:17,684 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 65, 65] total 84 [2024-11-17 03:48:17,684 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1472409197] [2024-11-17 03:48:17,684 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 03:48:17,685 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 84 states [2024-11-17 03:48:17,685 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 03:48:17,686 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 84 interpolants. [2024-11-17 03:48:17,687 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1686, Invalid=5286, Unknown=0, NotChecked=0, Total=6972 [2024-11-17 03:48:17,688 INFO L87 Difference]: Start difference. First operand 203 states and 208 transitions. Second operand has 84 states, 84 states have (on average 3.0476190476190474) internal successors, (256), 84 states have internal predecessors, (256), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-17 03:48:17,940 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 03:48:17,940 INFO L93 Difference]: Finished difference Result 298 states and 318 transitions. [2024-11-17 03:48:17,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 84 states. [2024-11-17 03:48:17,941 INFO L78 Accepts]: Start accepts. Automaton has has 84 states, 84 states have (on average 3.0476190476190474) internal successors, (256), 84 states have internal predecessors, (256), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 215 [2024-11-17 03:48:17,941 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 03:48:17,942 INFO L225 Difference]: With dead ends: 298 [2024-11-17 03:48:17,942 INFO L226 Difference]: Without dead ends: 254 [2024-11-17 03:48:17,944 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 436 GetRequests, 307 SyntacticMatches, 47 SemanticMatches, 82 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4245 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=1686, Invalid=5286, Unknown=0, NotChecked=0, Total=6972 [2024-11-17 03:48:17,944 INFO L432 NwaCegarLoop]: 28 mSDtfsCounter, 2 mSDsluCounter, 395 mSDsCounter, 0 mSdLazyCounter, 391 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 423 SdHoareTripleChecker+Invalid, 391 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 391 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-17 03:48:17,944 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 423 Invalid, 391 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 391 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-17 03:48:17,945 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 254 states. [2024-11-17 03:48:17,948 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 254 to 252. [2024-11-17 03:48:17,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 252 states, 245 states have (on average 1.0326530612244897) internal successors, (253), 248 states have internal predecessors, (253), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-17 03:48:17,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 252 states and 257 transitions. [2024-11-17 03:48:17,949 INFO L78 Accepts]: Start accepts. Automaton has 252 states and 257 transitions. Word has length 215 [2024-11-17 03:48:17,949 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 03:48:17,949 INFO L471 AbstractCegarLoop]: Abstraction has 252 states and 257 transitions. [2024-11-17 03:48:17,950 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 84 states, 84 states have (on average 3.0476190476190474) internal successors, (256), 84 states have internal predecessors, (256), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-17 03:48:17,950 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 257 transitions. [2024-11-17 03:48:17,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 262 [2024-11-17 03:48:17,951 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 03:48:17,951 INFO L215 NwaCegarLoop]: trace histogram [41, 40, 40, 40, 40, 6, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 03:48:17,964 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-11-17 03:48:18,152 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2024-11-17 03:48:18,152 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [maxErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, maxErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-17 03:48:18,152 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 03:48:18,153 INFO L85 PathProgramCache]: Analyzing trace with hash -292135372, now seen corresponding path program 1 times [2024-11-17 03:48:18,153 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 03:48:18,153 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1391649755] [2024-11-17 03:48:18,153 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:48:18,153 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 03:48:18,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:48:18,256 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-11-17 03:48:18,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:48:18,261 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-11-17 03:48:18,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:48:18,266 INFO L134 CoverageAnalysis]: Checked inductivity of 4048 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4046 trivial. 0 not checked. [2024-11-17 03:48:18,266 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 03:48:18,266 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1391649755] [2024-11-17 03:48:18,266 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1391649755] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 03:48:18,266 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 03:48:18,266 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-17 03:48:18,266 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [205929468] [2024-11-17 03:48:18,266 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 03:48:18,267 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-17 03:48:18,267 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 03:48:18,268 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-17 03:48:18,268 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 03:48:18,268 INFO L87 Difference]: Start difference. First operand 252 states and 257 transitions. Second operand has 3 states, 2 states have (on average 16.5) internal successors, (33), 3 states have internal predecessors, (33), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-17 03:48:18,277 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 03:48:18,277 INFO L93 Difference]: Finished difference Result 252 states and 257 transitions. [2024-11-17 03:48:18,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-17 03:48:18,278 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 16.5) internal successors, (33), 3 states have internal predecessors, (33), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 261 [2024-11-17 03:48:18,278 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 03:48:18,279 INFO L225 Difference]: With dead ends: 252 [2024-11-17 03:48:18,279 INFO L226 Difference]: Without dead ends: 251 [2024-11-17 03:48:18,280 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 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 03:48:18,280 INFO L432 NwaCegarLoop]: 33 mSDtfsCounter, 2 mSDsluCounter, 30 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 63 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-17 03:48:18,281 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 63 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-17 03:48:18,281 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 251 states. [2024-11-17 03:48:18,284 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 251 to 251. [2024-11-17 03:48:18,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 251 states, 245 states have (on average 1.0285714285714285) internal successors, (252), 247 states have internal predecessors, (252), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-17 03:48:18,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 251 states and 256 transitions. [2024-11-17 03:48:18,285 INFO L78 Accepts]: Start accepts. Automaton has 251 states and 256 transitions. Word has length 261 [2024-11-17 03:48:18,285 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 03:48:18,286 INFO L471 AbstractCegarLoop]: Abstraction has 251 states and 256 transitions. [2024-11-17 03:48:18,286 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 16.5) internal successors, (33), 3 states have internal predecessors, (33), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-17 03:48:18,286 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 256 transitions. [2024-11-17 03:48:18,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 264 [2024-11-17 03:48:18,287 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 03:48:18,287 INFO L215 NwaCegarLoop]: trace histogram [41, 40, 40, 40, 40, 6, 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] [2024-11-17 03:48:18,287 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-17 03:48:18,288 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [maxErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, maxErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-17 03:48:18,288 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 03:48:18,288 INFO L85 PathProgramCache]: Analyzing trace with hash -1569218126, now seen corresponding path program 1 times [2024-11-17 03:48:18,288 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 03:48:18,288 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [833870527] [2024-11-17 03:48:18,288 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:48:18,288 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 03:48:18,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:48:18,394 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-11-17 03:48:18,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:48:18,400 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-11-17 03:48:18,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:48:18,405 INFO L134 CoverageAnalysis]: Checked inductivity of 4050 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 4047 trivial. 0 not checked. [2024-11-17 03:48:18,405 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 03:48:18,406 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [833870527] [2024-11-17 03:48:18,406 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [833870527] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 03:48:18,406 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 03:48:18,406 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-17 03:48:18,406 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1527028282] [2024-11-17 03:48:18,406 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 03:48:18,406 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 03:48:18,407 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 03:48:18,408 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 03:48:18,408 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-17 03:48:18,408 INFO L87 Difference]: Start difference. First operand 251 states and 256 transitions. Second operand has 4 states, 3 states have (on average 11.333333333333334) internal successors, (34), 4 states have internal predecessors, (34), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-17 03:48:18,423 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 03:48:18,423 INFO L93 Difference]: Finished difference Result 251 states and 256 transitions. [2024-11-17 03:48:18,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 03:48:18,424 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 11.333333333333334) internal successors, (34), 4 states have internal predecessors, (34), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 263 [2024-11-17 03:48:18,424 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 03:48:18,425 INFO L225 Difference]: With dead ends: 251 [2024-11-17 03:48:18,425 INFO L226 Difference]: Without dead ends: 249 [2024-11-17 03:48:18,425 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 5 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 03:48:18,425 INFO L432 NwaCegarLoop]: 28 mSDtfsCounter, 4 mSDsluCounter, 52 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 80 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-17 03:48:18,426 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 80 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-17 03:48:18,427 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 249 states. [2024-11-17 03:48:18,430 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 249 to 245. [2024-11-17 03:48:18,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 245 states, 241 states have (on average 1.020746887966805) internal successors, (246), 241 states have internal predecessors, (246), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-17 03:48:18,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 245 states and 250 transitions. [2024-11-17 03:48:18,431 INFO L78 Accepts]: Start accepts. Automaton has 245 states and 250 transitions. Word has length 263 [2024-11-17 03:48:18,432 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 03:48:18,432 INFO L471 AbstractCegarLoop]: Abstraction has 245 states and 250 transitions. [2024-11-17 03:48:18,432 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 11.333333333333334) internal successors, (34), 4 states have internal predecessors, (34), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-17 03:48:18,432 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 250 transitions. [2024-11-17 03:48:18,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 265 [2024-11-17 03:48:18,433 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 03:48:18,433 INFO L215 NwaCegarLoop]: trace histogram [41, 40, 40, 40, 40, 6, 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] [2024-11-17 03:48:18,433 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-17 03:48:18,434 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [maxErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, maxErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-17 03:48:18,434 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 03:48:18,434 INFO L85 PathProgramCache]: Analyzing trace with hash -1401121650, now seen corresponding path program 1 times [2024-11-17 03:48:18,434 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 03:48:18,434 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1819837013] [2024-11-17 03:48:18,434 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:48:18,435 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 03:48:18,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:48:18,556 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-11-17 03:48:18,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:48:18,560 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-11-17 03:48:18,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:48:18,564 INFO L134 CoverageAnalysis]: Checked inductivity of 4051 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 4046 trivial. 0 not checked. [2024-11-17 03:48:18,564 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 03:48:18,565 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1819837013] [2024-11-17 03:48:18,565 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1819837013] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 03:48:18,565 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 03:48:18,565 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-17 03:48:18,565 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [854126621] [2024-11-17 03:48:18,565 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 03:48:18,565 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 03:48:18,566 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 03:48:18,566 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 03:48:18,566 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-17 03:48:18,566 INFO L87 Difference]: Start difference. First operand 245 states and 250 transitions. Second operand has 4 states, 3 states have (on average 12.0) internal successors, (36), 4 states have internal predecessors, (36), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-17 03:48:18,579 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 03:48:18,579 INFO L93 Difference]: Finished difference Result 245 states and 250 transitions. [2024-11-17 03:48:18,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 03:48:18,580 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 12.0) internal successors, (36), 4 states have internal predecessors, (36), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 264 [2024-11-17 03:48:18,580 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 03:48:18,580 INFO L225 Difference]: With dead ends: 245 [2024-11-17 03:48:18,580 INFO L226 Difference]: Without dead ends: 0 [2024-11-17 03:48:18,581 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 5 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 03:48:18,581 INFO L432 NwaCegarLoop]: 28 mSDtfsCounter, 2 mSDsluCounter, 53 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 81 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-17 03:48:18,582 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 81 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-17 03:48:18,582 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-17 03:48:18,582 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-17 03:48:18,582 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 03:48:18,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-17 03:48:18,582 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 264 [2024-11-17 03:48:18,582 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 03:48:18,582 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-17 03:48:18,583 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 12.0) internal successors, (36), 4 states have internal predecessors, (36), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-17 03:48:18,583 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-17 03:48:18,583 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-17 03:48:18,585 INFO L782 garLoopResultBuilder]: Registering result SAFE for location maxErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 8 remaining) [2024-11-17 03:48:18,585 INFO L782 garLoopResultBuilder]: Registering result SAFE for location maxErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 8 remaining) [2024-11-17 03:48:18,585 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 8 remaining) [2024-11-17 03:48:18,586 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 8 remaining) [2024-11-17 03:48:18,586 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 8 remaining) [2024-11-17 03:48:18,586 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 8 remaining) [2024-11-17 03:48:18,586 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 8 remaining) [2024-11-17 03:48:18,586 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 8 remaining) [2024-11-17 03:48:18,586 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-17 03:48:18,588 INFO L407 BasicCegarLoop]: Path program histogram: [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 03:48:18,590 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-17 03:48:18,630 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-17 03:48:18,641 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.11 03:48:18 BoogieIcfgContainer [2024-11-17 03:48:18,641 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-17 03:48:18,642 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-17 03:48:18,642 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-17 03:48:18,642 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-17 03:48:18,643 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 03:48:07" (3/4) ... [2024-11-17 03:48:18,644 INFO L143 WitnessPrinter]: Generating witness for correct program [2024-11-17 03:48:18,647 INFO L393 IcfgBacktranslator]: Ignoring RootEdge to procedure max [2024-11-17 03:48:18,652 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2024-11-17 03:48:18,652 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-17 03:48:18,652 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-17 03:48:18,652 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-17 03:48:18,724 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-17 03:48:18,724 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-17 03:48:18,724 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-17 03:48:18,725 INFO L158 Benchmark]: Toolchain (without parser) took 12378.48ms. Allocated memory was 155.2MB in the beginning and 325.1MB in the end (delta: 169.9MB). Free memory was 84.4MB in the beginning and 227.7MB in the end (delta: -143.3MB). Peak memory consumption was 29.0MB. Max. memory is 16.1GB. [2024-11-17 03:48:18,725 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 155.2MB. Free memory is still 105.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-17 03:48:18,725 INFO L158 Benchmark]: CACSL2BoogieTranslator took 217.60ms. Allocated memory is still 155.2MB. Free memory was 84.2MB in the beginning and 71.5MB in the end (delta: 12.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-17 03:48:18,725 INFO L158 Benchmark]: Boogie Procedure Inliner took 53.77ms. Allocated memory is still 155.2MB. Free memory was 71.5MB in the beginning and 124.6MB in the end (delta: -53.1MB). Peak memory consumption was 8.2MB. Max. memory is 16.1GB. [2024-11-17 03:48:18,726 INFO L158 Benchmark]: Boogie Preprocessor took 49.44ms. Allocated memory was 155.2MB in the beginning and 224.4MB in the end (delta: 69.2MB). Free memory was 124.6MB in the beginning and 196.8MB in the end (delta: -72.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-17 03:48:18,726 INFO L158 Benchmark]: IcfgBuilder took 379.79ms. Allocated memory is still 224.4MB. Free memory was 196.8MB in the beginning and 181.1MB in the end (delta: 15.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-17 03:48:18,726 INFO L158 Benchmark]: TraceAbstraction took 11588.45ms. Allocated memory was 224.4MB in the beginning and 325.1MB in the end (delta: 100.7MB). Free memory was 181.1MB in the beginning and 233.0MB in the end (delta: -51.8MB). Peak memory consumption was 48.8MB. Max. memory is 16.1GB. [2024-11-17 03:48:18,726 INFO L158 Benchmark]: Witness Printer took 82.60ms. Allocated memory is still 325.1MB. Free memory was 233.0MB in the beginning and 227.7MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-17 03:48:18,727 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 155.2MB. Free memory is still 105.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 217.60ms. Allocated memory is still 155.2MB. Free memory was 84.2MB in the beginning and 71.5MB in the end (delta: 12.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 53.77ms. Allocated memory is still 155.2MB. Free memory was 71.5MB in the beginning and 124.6MB in the end (delta: -53.1MB). Peak memory consumption was 8.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 49.44ms. Allocated memory was 155.2MB in the beginning and 224.4MB in the end (delta: 69.2MB). Free memory was 124.6MB in the beginning and 196.8MB in the end (delta: -72.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * IcfgBuilder took 379.79ms. Allocated memory is still 224.4MB. Free memory was 196.8MB in the beginning and 181.1MB in the end (delta: 15.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 11588.45ms. Allocated memory was 224.4MB in the beginning and 325.1MB in the end (delta: 100.7MB). Free memory was 181.1MB in the beginning and 233.0MB in the end (delta: -51.8MB). Peak memory consumption was 48.8MB. Max. memory is 16.1GB. * Witness Printer took 82.60ms. Allocated memory is still 325.1MB. Free memory was 233.0MB in the beginning and 227.7MB 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: 20]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 20]: 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: 43]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 44]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 44]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 34]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 34]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 49 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 11.5s, OverallIterations: 17, TraceHistogramMax: 41, PathProgramHistogramMax: 3, EmptinessCheckTime: 0.0s, AutomataDifference: 0.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 33 SdHoareTripleChecker+Valid, 0.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 33 mSDsluCounter, 2754 SdHoareTripleChecker+Invalid, 0.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2148 mSDsCounter, 12 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1021 IncrementalHoareTripleChecker+Invalid, 1033 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 12 mSolverCounterUnsat, 606 mSDtfsCounter, 1021 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1331 GetRequests, 1019 SyntacticMatches, 47 SemanticMatches, 265 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6146 ImplicationChecksByTransitivity, 4.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=252occurred in iteration=14, InterpolantAutomatonStates: 249, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 17 MinimizatonAttempts, 21 StatesRemovedByMinimization, 11 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 7.2s InterpolantComputationTime, 2670 NumberOfCodeBlocks, 2600 NumberOfCodeBlocksAsserted, 28 NumberOfCheckSat, 3075 ConstructedInterpolants, 0 QuantifiedInterpolants, 4747 SizeOfPredicates, 0 NumberOfNonLiveVariables, 2176 ConjunctsInSsa, 137 ConjunctsInUnsatCore, 31 InterpolantComputations, 12 PerfectInterpolantSequences, 21237/28162 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 8 specifications checked. All of them hold - InvariantResult [Line: 43]: Location Invariant Derived location invariant: null - InvariantResult [Line: 34]: Location Invariant Derived location invariant: null - InvariantResult [Line: 20]: Location Invariant Derived location invariant: null RESULT: Ultimate proved your program to be correct! [2024-11-17 03:48:18,752 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE