./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/nla-digbench-scaling/ps3-ll_valuebound100.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 3289d67d Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/nla-digbench-scaling/ps3-ll_valuebound100.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 544518f16c995eb36950e2b23195c44efaa0ec21905798c152f246cf5cd9bc9b --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-17 04:48:09,746 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-17 04:48:09,829 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-17 04:48:09,841 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-17 04:48:09,843 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-17 04:48:09,870 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-17 04:48:09,872 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-17 04:48:09,872 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-17 04:48:09,873 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-17 04:48:09,875 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-17 04:48:09,875 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-17 04:48:09,875 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-17 04:48:09,876 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-17 04:48:09,878 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-17 04:48:09,878 INFO L153 SettingsManager]: * Use SBE=true [2024-11-17 04:48:09,879 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-17 04:48:09,879 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-17 04:48:09,879 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-17 04:48:09,879 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-17 04:48:09,879 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-17 04:48:09,880 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-17 04:48:09,883 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-17 04:48:09,883 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-17 04:48:09,883 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-17 04:48:09,883 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-17 04:48:09,884 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-17 04:48:09,884 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-17 04:48:09,884 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-17 04:48:09,884 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-17 04:48:09,885 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-17 04:48:09,885 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-17 04:48:09,885 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-17 04:48:09,885 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-17 04:48:09,886 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-17 04:48:09,886 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-17 04:48:09,886 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-17 04:48:09,887 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-17 04:48:09,887 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-17 04:48:09,887 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-17 04:48:09,888 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-17 04:48:09,888 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-17 04:48:09,889 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-17 04:48:09,889 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-17 04:48:09,889 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-17 04:48:09,890 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 544518f16c995eb36950e2b23195c44efaa0ec21905798c152f246cf5cd9bc9b [2024-11-17 04:48:10,142 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-17 04:48:10,168 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-17 04:48:10,171 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-17 04:48:10,173 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-17 04:48:10,173 INFO L274 PluginConnector]: CDTParser initialized [2024-11-17 04:48:10,175 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench-scaling/ps3-ll_valuebound100.c [2024-11-17 04:48:11,638 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-17 04:48:11,796 INFO L384 CDTParser]: Found 1 translation units. [2024-11-17 04:48:11,797 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/ps3-ll_valuebound100.c [2024-11-17 04:48:11,805 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6062615bf/42ec8b57f1f4492fbb200c25e592183b/FLAGb4857e042 [2024-11-17 04:48:12,201 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6062615bf/42ec8b57f1f4492fbb200c25e592183b [2024-11-17 04:48:12,204 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-17 04:48:12,206 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-17 04:48:12,207 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-17 04:48:12,207 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-17 04:48:12,211 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-17 04:48:12,212 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 04:48:12" (1/1) ... [2024-11-17 04:48:12,213 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@515c5919 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:48:12, skipping insertion in model container [2024-11-17 04:48:12,213 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 04:48:12" (1/1) ... [2024-11-17 04:48:12,228 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-17 04:48:12,453 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-17 04:48:12,466 INFO L200 MainTranslator]: Completed pre-run [2024-11-17 04:48:12,488 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-17 04:48:12,505 INFO L204 MainTranslator]: Completed translation [2024-11-17 04:48:12,505 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:48:12 WrapperNode [2024-11-17 04:48:12,506 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-17 04:48:12,507 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-17 04:48:12,507 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-17 04:48:12,508 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-17 04:48:12,514 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:48:12" (1/1) ... [2024-11-17 04:48:12,525 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:48:12" (1/1) ... [2024-11-17 04:48:12,551 INFO L138 Inliner]: procedures = 14, calls = 11, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 86 [2024-11-17 04:48:12,552 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-17 04:48:12,553 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-17 04:48:12,553 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-17 04:48:12,553 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-17 04:48:12,563 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:48:12" (1/1) ... [2024-11-17 04:48:12,564 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:48:12" (1/1) ... [2024-11-17 04:48:12,568 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:48:12" (1/1) ... [2024-11-17 04:48:12,579 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-17 04:48:12,580 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:48:12" (1/1) ... [2024-11-17 04:48:12,580 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:48:12" (1/1) ... [2024-11-17 04:48:12,583 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:48:12" (1/1) ... [2024-11-17 04:48:12,584 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:48:12" (1/1) ... [2024-11-17 04:48:12,586 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:48:12" (1/1) ... [2024-11-17 04:48:12,587 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:48:12" (1/1) ... [2024-11-17 04:48:12,589 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-17 04:48:12,594 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-17 04:48:12,594 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-17 04:48:12,594 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-17 04:48:12,595 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:48:12" (1/1) ... [2024-11-17 04:48:12,601 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-17 04:48:12,642 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:48:12,677 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-17 04:48:12,682 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-17 04:48:12,719 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-17 04:48:12,719 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-17 04:48:12,720 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-17 04:48:12,720 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-17 04:48:12,720 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-17 04:48:12,720 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-17 04:48:12,770 INFO L256 CfgBuilder]: Building ICFG [2024-11-17 04:48:12,772 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-17 04:48:13,138 INFO L? ?]: Removed 61 outVars from TransFormulas that were not future-live. [2024-11-17 04:48:13,139 INFO L307 CfgBuilder]: Performing block encoding [2024-11-17 04:48:13,154 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-17 04:48:13,154 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-17 04:48:13,154 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 04:48:13 BoogieIcfgContainer [2024-11-17 04:48:13,154 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-17 04:48:13,156 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-17 04:48:13,156 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-17 04:48:13,159 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-17 04:48:13,159 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.11 04:48:12" (1/3) ... [2024-11-17 04:48:13,160 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11cc16d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 04:48:13, skipping insertion in model container [2024-11-17 04:48:13,160 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:48:12" (2/3) ... [2024-11-17 04:48:13,160 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11cc16d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 04:48:13, skipping insertion in model container [2024-11-17 04:48:13,160 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 04:48:13" (3/3) ... [2024-11-17 04:48:13,161 INFO L112 eAbstractionObserver]: Analyzing ICFG ps3-ll_valuebound100.c [2024-11-17 04:48:13,174 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-17 04:48:13,174 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 44 error locations. [2024-11-17 04:48:13,224 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-17 04:48:13,231 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;@6d3b3d7b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-17 04:48:13,231 INFO L334 AbstractCegarLoop]: Starting to check reachability of 44 error locations. [2024-11-17 04:48:13,238 INFO L276 IsEmpty]: Start isEmpty. Operand has 110 states, 62 states have (on average 1.7903225806451613) internal successors, (111), 106 states have internal predecessors, (111), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-17 04:48:13,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-17 04:48:13,247 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:48:13,247 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-11-17 04:48:13,248 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2024-11-17 04:48:13,254 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:48:13,254 INFO L85 PathProgramCache]: Analyzing trace with hash -272634239, now seen corresponding path program 1 times [2024-11-17 04:48:13,264 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:48:13,264 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1926952473] [2024-11-17 04:48:13,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:48:13,265 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:48:13,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:48:13,416 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:48:13,417 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:48:13,417 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1926952473] [2024-11-17 04:48:13,417 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1926952473] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:48:13,418 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:48:13,418 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-17 04:48:13,419 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [192797414] [2024-11-17 04:48:13,420 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:48:13,424 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-17 04:48:13,424 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:48:13,442 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-17 04:48:13,442 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-17 04:48:13,444 INFO L87 Difference]: Start difference. First operand has 110 states, 62 states have (on average 1.7903225806451613) internal successors, (111), 106 states have internal predecessors, (111), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 04:48:13,467 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:48:13,467 INFO L93 Difference]: Finished difference Result 211 states and 227 transitions. [2024-11-17 04:48:13,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-17 04:48:13,468 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 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 6 [2024-11-17 04:48:13,469 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:48:13,474 INFO L225 Difference]: With dead ends: 211 [2024-11-17 04:48:13,474 INFO L226 Difference]: Without dead ends: 98 [2024-11-17 04:48:13,477 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-17 04:48:13,480 INFO L432 NwaCegarLoop]: 105 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 105 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-17 04:48:13,481 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 105 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-17 04:48:13,494 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2024-11-17 04:48:13,510 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 98. [2024-11-17 04:48:13,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 98 states, 57 states have (on average 1.6842105263157894) internal successors, (96), 95 states have internal predecessors, (96), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-17 04:48:13,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 98 transitions. [2024-11-17 04:48:13,517 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 98 transitions. Word has length 6 [2024-11-17 04:48:13,518 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:48:13,518 INFO L471 AbstractCegarLoop]: Abstraction has 98 states and 98 transitions. [2024-11-17 04:48:13,518 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 04:48:13,518 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 98 transitions. [2024-11-17 04:48:13,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-17 04:48:13,519 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:48:13,519 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:48:13,520 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-17 04:48:13,520 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr43ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2024-11-17 04:48:13,520 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:48:13,521 INFO L85 PathProgramCache]: Analyzing trace with hash 139197700, now seen corresponding path program 1 times [2024-11-17 04:48:13,521 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:48:13,521 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1445196309] [2024-11-17 04:48:13,521 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:48:13,522 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:48:13,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:48:13,638 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:48:13,638 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:48:13,638 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1445196309] [2024-11-17 04:48:13,638 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1445196309] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:48:13,639 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:48:13,639 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-17 04:48:13,639 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2054340606] [2024-11-17 04:48:13,639 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:48:13,640 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-17 04:48:13,640 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:48:13,641 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-17 04:48:13,641 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 04:48:13,642 INFO L87 Difference]: Start difference. First operand 98 states and 98 transitions. Second operand has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 04:48:13,784 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:48:13,784 INFO L93 Difference]: Finished difference Result 175 states and 189 transitions. [2024-11-17 04:48:13,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-17 04:48:13,787 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 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 7 [2024-11-17 04:48:13,787 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:48:13,788 INFO L225 Difference]: With dead ends: 175 [2024-11-17 04:48:13,788 INFO L226 Difference]: Without dead ends: 170 [2024-11-17 04:48:13,789 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 04:48:13,791 INFO L432 NwaCegarLoop]: 67 mSDtfsCounter, 68 mSDsluCounter, 60 mSDsCounter, 0 mSdLazyCounter, 68 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 69 SdHoareTripleChecker+Valid, 127 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 68 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 04:48:13,791 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [69 Valid, 127 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 68 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 04:48:13,793 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 170 states. [2024-11-17 04:48:13,810 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 170 to 131. [2024-11-17 04:48:13,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 131 states, 89 states have (on average 1.6629213483146068) internal successors, (148), 127 states have internal predecessors, (148), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-17 04:48:13,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 152 transitions. [2024-11-17 04:48:13,814 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 152 transitions. Word has length 7 [2024-11-17 04:48:13,814 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:48:13,814 INFO L471 AbstractCegarLoop]: Abstraction has 131 states and 152 transitions. [2024-11-17 04:48:13,814 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 04:48:13,815 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 152 transitions. [2024-11-17 04:48:13,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-17 04:48:13,815 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:48:13,815 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:48:13,815 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-17 04:48:13,815 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr41ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2024-11-17 04:48:13,816 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:48:13,816 INFO L85 PathProgramCache]: Analyzing trace with hash 625005570, now seen corresponding path program 1 times [2024-11-17 04:48:13,816 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:48:13,816 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [265147918] [2024-11-17 04:48:13,816 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:48:13,817 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:48:13,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:48:13,888 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:48:13,889 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:48:13,889 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [265147918] [2024-11-17 04:48:13,889 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [265147918] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:48:13,889 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:48:13,889 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-17 04:48:13,890 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1969029907] [2024-11-17 04:48:13,890 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:48:13,890 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-17 04:48:13,890 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:48:13,891 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-17 04:48:13,891 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 04:48:13,891 INFO L87 Difference]: Start difference. First operand 131 states and 152 transitions. Second operand has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 04:48:14,068 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:48:14,068 INFO L93 Difference]: Finished difference Result 167 states and 181 transitions. [2024-11-17 04:48:14,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-17 04:48:14,069 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2024-11-17 04:48:14,069 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:48:14,070 INFO L225 Difference]: With dead ends: 167 [2024-11-17 04:48:14,072 INFO L226 Difference]: Without dead ends: 149 [2024-11-17 04:48:14,073 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 04:48:14,077 INFO L432 NwaCegarLoop]: 52 mSDtfsCounter, 42 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 119 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 76 SdHoareTripleChecker+Invalid, 136 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 119 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-17 04:48:14,078 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [43 Valid, 76 Invalid, 136 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 119 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-17 04:48:14,079 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 149 states. [2024-11-17 04:48:14,092 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 149 to 143. [2024-11-17 04:48:14,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 143 states, 101 states have (on average 1.504950495049505) internal successors, (152), 139 states have internal predecessors, (152), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-17 04:48:14,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 156 transitions. [2024-11-17 04:48:14,097 INFO L78 Accepts]: Start accepts. Automaton has 143 states and 156 transitions. Word has length 9 [2024-11-17 04:48:14,097 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:48:14,097 INFO L471 AbstractCegarLoop]: Abstraction has 143 states and 156 transitions. [2024-11-17 04:48:14,098 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 04:48:14,098 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 156 transitions. [2024-11-17 04:48:14,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-17 04:48:14,099 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:48:14,099 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:48:14,099 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-17 04:48:14,100 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2024-11-17 04:48:14,100 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:48:14,101 INFO L85 PathProgramCache]: Analyzing trace with hash -1311987460, now seen corresponding path program 1 times [2024-11-17 04:48:14,101 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:48:14,101 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1435885543] [2024-11-17 04:48:14,101 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:48:14,102 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:48:14,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:48:14,205 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:48:14,205 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:48:14,205 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1435885543] [2024-11-17 04:48:14,206 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1435885543] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:48:14,206 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:48:14,206 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-17 04:48:14,206 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1010561456] [2024-11-17 04:48:14,206 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:48:14,207 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 04:48:14,207 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:48:14,207 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 04:48:14,207 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-17 04:48:14,208 INFO L87 Difference]: Start difference. First operand 143 states and 156 transitions. Second operand has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 04:48:14,363 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:48:14,364 INFO L93 Difference]: Finished difference Result 158 states and 166 transitions. [2024-11-17 04:48:14,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 04:48:14,364 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), 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 15 [2024-11-17 04:48:14,364 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:48:14,365 INFO L225 Difference]: With dead ends: 158 [2024-11-17 04:48:14,367 INFO L226 Difference]: Without dead ends: 152 [2024-11-17 04:48:14,368 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-17 04:48:14,369 INFO L432 NwaCegarLoop]: 50 mSDtfsCounter, 87 mSDsluCounter, 60 mSDsCounter, 0 mSdLazyCounter, 91 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 88 SdHoareTripleChecker+Valid, 110 SdHoareTripleChecker+Invalid, 98 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 91 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 04:48:14,369 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [88 Valid, 110 Invalid, 98 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 91 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 04:48:14,373 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 152 states. [2024-11-17 04:48:14,380 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 152 to 146. [2024-11-17 04:48:14,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 146 states, 104 states have (on average 1.4615384615384615) internal successors, (152), 142 states have internal predecessors, (152), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-17 04:48:14,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 156 transitions. [2024-11-17 04:48:14,382 INFO L78 Accepts]: Start accepts. Automaton has 146 states and 156 transitions. Word has length 15 [2024-11-17 04:48:14,382 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:48:14,382 INFO L471 AbstractCegarLoop]: Abstraction has 146 states and 156 transitions. [2024-11-17 04:48:14,382 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), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 04:48:14,383 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 156 transitions. [2024-11-17 04:48:14,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-17 04:48:14,383 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:48:14,383 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:48:14,384 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-17 04:48:14,384 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2024-11-17 04:48:14,384 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:48:14,385 INFO L85 PathProgramCache]: Analyzing trace with hash -2016905548, now seen corresponding path program 1 times [2024-11-17 04:48:14,385 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:48:14,385 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1152635707] [2024-11-17 04:48:14,385 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:48:14,385 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:48:14,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:48:14,400 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1288491524] [2024-11-17 04:48:14,400 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:48:14,400 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:48:14,401 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:48:14,403 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 04:48:14,404 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-17 04:48:14,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:48:14,445 INFO L255 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-17 04:48:14,450 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:48:14,551 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:48:14,552 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 04:48:14,552 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:48:14,552 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1152635707] [2024-11-17 04:48:14,553 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:48:14,553 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1288491524] [2024-11-17 04:48:14,553 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1288491524] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:48:14,553 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:48:14,553 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-17 04:48:14,553 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [409685494] [2024-11-17 04:48:14,554 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:48:14,554 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-17 04:48:14,554 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:48:14,554 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-17 04:48:14,558 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 04:48:14,558 INFO L87 Difference]: Start difference. First operand 146 states and 156 transitions. Second operand has 3 states, 2 states have (on average 8.0) internal successors, (16), 3 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 04:48:14,703 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:48:14,703 INFO L93 Difference]: Finished difference Result 155 states and 157 transitions. [2024-11-17 04:48:14,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-17 04:48:14,704 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 8.0) internal successors, (16), 3 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2024-11-17 04:48:14,704 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:48:14,705 INFO L225 Difference]: With dead ends: 155 [2024-11-17 04:48:14,705 INFO L226 Difference]: Without dead ends: 131 [2024-11-17 04:48:14,705 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 04:48:14,706 INFO L432 NwaCegarLoop]: 60 mSDtfsCounter, 35 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 119 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 76 SdHoareTripleChecker+Invalid, 124 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 119 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 04:48:14,706 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 76 Invalid, 124 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 119 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 04:48:14,707 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2024-11-17 04:48:14,713 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 129. [2024-11-17 04:48:14,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 129 states, 87 states have (on average 1.4827586206896552) internal successors, (129), 125 states have internal predecessors, (129), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-17 04:48:14,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 129 states and 133 transitions. [2024-11-17 04:48:14,714 INFO L78 Accepts]: Start accepts. Automaton has 129 states and 133 transitions. Word has length 16 [2024-11-17 04:48:14,714 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:48:14,714 INFO L471 AbstractCegarLoop]: Abstraction has 129 states and 133 transitions. [2024-11-17 04:48:14,715 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 8.0) internal successors, (16), 3 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 04:48:14,715 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 133 transitions. [2024-11-17 04:48:14,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-17 04:48:14,716 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:48:14,716 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:48:14,733 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-17 04:48:14,920 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:48:14,921 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2024-11-17 04:48:14,921 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:48:14,922 INFO L85 PathProgramCache]: Analyzing trace with hash -1975649142, now seen corresponding path program 1 times [2024-11-17 04:48:14,922 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:48:14,922 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1594274620] [2024-11-17 04:48:14,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:48:14,922 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:48:14,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:48:14,999 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-17 04:48:15,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:48:15,012 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:48:15,014 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:48:15,014 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1594274620] [2024-11-17 04:48:15,014 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1594274620] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:48:15,015 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:48:15,015 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-17 04:48:15,015 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1635317039] [2024-11-17 04:48:15,015 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:48:15,015 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-17 04:48:15,016 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:48:15,017 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-17 04:48:15,017 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 04:48:15,017 INFO L87 Difference]: Start difference. First operand 129 states and 133 transitions. Second operand has 3 states, 2 states have (on average 14.5) internal successors, (29), 3 states have internal predecessors, (29), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-17 04:48:15,042 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:48:15,042 INFO L93 Difference]: Finished difference Result 131 states and 133 transitions. [2024-11-17 04:48:15,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-17 04:48:15,043 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 14.5) internal successors, (29), 3 states have internal predecessors, (29), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 31 [2024-11-17 04:48:15,043 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:48:15,044 INFO L225 Difference]: With dead ends: 131 [2024-11-17 04:48:15,044 INFO L226 Difference]: Without dead ends: 129 [2024-11-17 04:48:15,044 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 04:48:15,045 INFO L432 NwaCegarLoop]: 94 mSDtfsCounter, 2 mSDsluCounter, 89 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 183 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-17 04:48:15,045 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 183 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-17 04:48:15,046 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 129 states. [2024-11-17 04:48:15,050 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 129 to 129. [2024-11-17 04:48:15,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 129 states, 87 states have (on average 1.4597701149425288) internal successors, (127), 125 states have internal predecessors, (127), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-17 04:48:15,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 129 states and 131 transitions. [2024-11-17 04:48:15,052 INFO L78 Accepts]: Start accepts. Automaton has 129 states and 131 transitions. Word has length 31 [2024-11-17 04:48:15,054 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:48:15,054 INFO L471 AbstractCegarLoop]: Abstraction has 129 states and 131 transitions. [2024-11-17 04:48:15,054 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 14.5) internal successors, (29), 3 states have internal predecessors, (29), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-17 04:48:15,054 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 131 transitions. [2024-11-17 04:48:15,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-11-17 04:48:15,055 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:48:15,056 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:48:15,056 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-17 04:48:15,056 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2024-11-17 04:48:15,057 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:48:15,057 INFO L85 PathProgramCache]: Analyzing trace with hash -480234902, now seen corresponding path program 1 times [2024-11-17 04:48:15,057 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:48:15,057 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1936893174] [2024-11-17 04:48:15,057 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:48:15,057 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:48:15,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:48:15,081 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [547780238] [2024-11-17 04:48:15,081 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:48:15,081 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:48:15,081 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:48:15,084 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 04:48:15,085 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-17 04:48:15,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:48:15,134 INFO L255 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-17 04:48:15,136 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:48:15,207 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:48:15,207 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 04:48:15,207 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:48:15,208 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1936893174] [2024-11-17 04:48:15,208 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:48:15,208 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [547780238] [2024-11-17 04:48:15,208 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [547780238] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:48:15,208 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:48:15,208 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-17 04:48:15,209 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [65680063] [2024-11-17 04:48:15,209 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:48:15,209 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 04:48:15,209 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:48:15,210 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 04:48:15,210 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-17 04:48:15,210 INFO L87 Difference]: Start difference. First operand 129 states and 131 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, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-17 04:48:15,401 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:48:15,401 INFO L93 Difference]: Finished difference Result 202 states and 217 transitions. [2024-11-17 04:48:15,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 04:48:15,402 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, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 38 [2024-11-17 04:48:15,402 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:48:15,403 INFO L225 Difference]: With dead ends: 202 [2024-11-17 04:48:15,403 INFO L226 Difference]: Without dead ends: 183 [2024-11-17 04:48:15,404 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 35 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 04:48:15,405 INFO L432 NwaCegarLoop]: 56 mSDtfsCounter, 54 mSDsluCounter, 48 mSDsCounter, 0 mSdLazyCounter, 221 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 55 SdHoareTripleChecker+Valid, 104 SdHoareTripleChecker+Invalid, 239 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 221 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-17 04:48:15,405 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [55 Valid, 104 Invalid, 239 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 221 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-17 04:48:15,406 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 183 states. [2024-11-17 04:48:15,415 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 183 to 172. [2024-11-17 04:48:15,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 172 states, 129 states have (on average 1.426356589147287) internal successors, (184), 167 states have internal predecessors, (184), 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 04:48:15,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 172 states and 190 transitions. [2024-11-17 04:48:15,420 INFO L78 Accepts]: Start accepts. Automaton has 172 states and 190 transitions. Word has length 38 [2024-11-17 04:48:15,421 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:48:15,421 INFO L471 AbstractCegarLoop]: Abstraction has 172 states and 190 transitions. [2024-11-17 04:48:15,421 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, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-17 04:48:15,421 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 190 transitions. [2024-11-17 04:48:15,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-17 04:48:15,422 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:48:15,425 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:48:15,442 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-17 04:48:15,626 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2024-11-17 04:48:15,626 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2024-11-17 04:48:15,627 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:48:15,627 INFO L85 PathProgramCache]: Analyzing trace with hash -1944239736, now seen corresponding path program 1 times [2024-11-17 04:48:15,627 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:48:15,627 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1208094610] [2024-11-17 04:48:15,627 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:48:15,627 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:48:15,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:48:15,759 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-17 04:48:15,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:48:15,768 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:48:15,770 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:48:15,771 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1208094610] [2024-11-17 04:48:15,771 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1208094610] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:48:15,771 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:48:15,771 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-17 04:48:15,771 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1677304480] [2024-11-17 04:48:15,771 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:48:15,772 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 04:48:15,772 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:48:15,773 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 04:48:15,773 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-17 04:48:15,773 INFO L87 Difference]: Start difference. First operand 172 states and 190 transitions. Second operand has 4 states, 3 states have (on average 12.666666666666666) internal successors, (38), 4 states have internal predecessors, (38), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-17 04:48:15,935 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:48:15,935 INFO L93 Difference]: Finished difference Result 173 states and 190 transitions. [2024-11-17 04:48:15,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 04:48:15,935 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 12.666666666666666) internal successors, (38), 4 states have internal predecessors, (38), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 40 [2024-11-17 04:48:15,936 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:48:15,937 INFO L225 Difference]: With dead ends: 173 [2024-11-17 04:48:15,937 INFO L226 Difference]: Without dead ends: 172 [2024-11-17 04:48:15,937 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-17 04:48:15,938 INFO L432 NwaCegarLoop]: 74 mSDtfsCounter, 27 mSDsluCounter, 76 mSDsCounter, 0 mSdLazyCounter, 142 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 150 SdHoareTripleChecker+Invalid, 143 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 142 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-17 04:48:15,938 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [28 Valid, 150 Invalid, 143 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 142 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-17 04:48:15,939 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 172 states. [2024-11-17 04:48:15,950 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 172 to 172. [2024-11-17 04:48:15,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 172 states, 129 states have (on average 1.4186046511627908) internal successors, (183), 167 states have internal predecessors, (183), 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 04:48:15,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 172 states and 189 transitions. [2024-11-17 04:48:15,952 INFO L78 Accepts]: Start accepts. Automaton has 172 states and 189 transitions. Word has length 40 [2024-11-17 04:48:15,953 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:48:15,953 INFO L471 AbstractCegarLoop]: Abstraction has 172 states and 189 transitions. [2024-11-17 04:48:15,953 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 12.666666666666666) internal successors, (38), 4 states have internal predecessors, (38), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-17 04:48:15,953 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 189 transitions. [2024-11-17 04:48:15,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2024-11-17 04:48:15,954 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:48:15,955 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:48:15,955 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-17 04:48:15,955 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr43ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2024-11-17 04:48:15,955 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:48:15,955 INFO L85 PathProgramCache]: Analyzing trace with hash -787031903, now seen corresponding path program 1 times [2024-11-17 04:48:15,956 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:48:15,956 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [314714744] [2024-11-17 04:48:15,956 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:48:15,956 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:48:15,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:48:15,979 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1715712623] [2024-11-17 04:48:15,979 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:48:15,979 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:48:15,991 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:48:15,993 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 04:48:15,994 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-17 04:48:16,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:48:16,043 INFO L255 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-17 04:48:16,044 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:48:16,121 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-17 04:48:16,122 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 04:48:16,122 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:48:16,122 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [314714744] [2024-11-17 04:48:16,122 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:48:16,122 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1715712623] [2024-11-17 04:48:16,122 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1715712623] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:48:16,122 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:48:16,122 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-17 04:48:16,123 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [398988545] [2024-11-17 04:48:16,123 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:48:16,123 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-17 04:48:16,123 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:48:16,124 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-17 04:48:16,124 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 04:48:16,124 INFO L87 Difference]: Start difference. First operand 172 states and 189 transitions. Second operand has 3 states, 2 states have (on average 20.0) internal successors, (40), 3 states have internal predecessors, (40), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-17 04:48:16,185 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:48:16,185 INFO L93 Difference]: Finished difference Result 172 states and 189 transitions. [2024-11-17 04:48:16,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-17 04:48:16,186 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 20.0) internal successors, (40), 3 states have internal predecessors, (40), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 44 [2024-11-17 04:48:16,186 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:48:16,187 INFO L225 Difference]: With dead ends: 172 [2024-11-17 04:48:16,187 INFO L226 Difference]: Without dead ends: 169 [2024-11-17 04:48:16,187 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 41 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 04:48:16,188 INFO L432 NwaCegarLoop]: 62 mSDtfsCounter, 39 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 68 SdHoareTripleChecker+Invalid, 51 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 04:48:16,188 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [39 Valid, 68 Invalid, 51 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 04:48:16,189 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 169 states. [2024-11-17 04:48:16,193 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 169 to 169. [2024-11-17 04:48:16,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 169 states, 129 states have (on average 1.37984496124031) internal successors, (178), 164 states have internal predecessors, (178), 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 04:48:16,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 169 states and 184 transitions. [2024-11-17 04:48:16,194 INFO L78 Accepts]: Start accepts. Automaton has 169 states and 184 transitions. Word has length 44 [2024-11-17 04:48:16,194 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:48:16,195 INFO L471 AbstractCegarLoop]: Abstraction has 169 states and 184 transitions. [2024-11-17 04:48:16,195 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 20.0) internal successors, (40), 3 states have internal predecessors, (40), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-17 04:48:16,195 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 184 transitions. [2024-11-17 04:48:16,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2024-11-17 04:48:16,196 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:48:16,196 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:48:16,212 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-17 04:48:16,396 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:48:16,397 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr42ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2024-11-17 04:48:16,397 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:48:16,397 INFO L85 PathProgramCache]: Analyzing trace with hash 1371814847, now seen corresponding path program 1 times [2024-11-17 04:48:16,398 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:48:16,398 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [373258055] [2024-11-17 04:48:16,398 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:48:16,398 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:48:16,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:48:16,413 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1722184005] [2024-11-17 04:48:16,413 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:48:16,413 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:48:16,413 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:48:16,415 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 04:48:16,417 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-17 04:48:16,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:48:16,469 INFO L255 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-17 04:48:16,470 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:48:16,616 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:48:16,616 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:48:16,747 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:48:16,747 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:48:16,747 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [373258055] [2024-11-17 04:48:16,748 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:48:16,748 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1722184005] [2024-11-17 04:48:16,748 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1722184005] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 04:48:16,750 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-17 04:48:16,750 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 7 [2024-11-17 04:48:16,750 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1763683755] [2024-11-17 04:48:16,750 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-17 04:48:16,751 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-17 04:48:16,751 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:48:16,751 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-17 04:48:16,751 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-17 04:48:16,752 INFO L87 Difference]: Start difference. First operand 169 states and 184 transitions. Second operand has 8 states, 7 states have (on average 11.428571428571429) internal successors, (80), 8 states have internal predecessors, (80), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-17 04:48:17,105 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:48:17,106 INFO L93 Difference]: Finished difference Result 188 states and 204 transitions. [2024-11-17 04:48:17,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-17 04:48:17,107 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 11.428571428571429) internal successors, (80), 8 states have internal predecessors, (80), 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) Word has length 45 [2024-11-17 04:48:17,107 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:48:17,108 INFO L225 Difference]: With dead ends: 188 [2024-11-17 04:48:17,109 INFO L226 Difference]: Without dead ends: 184 [2024-11-17 04:48:17,110 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 82 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2024-11-17 04:48:17,110 INFO L432 NwaCegarLoop]: 46 mSDtfsCounter, 181 mSDsluCounter, 96 mSDsCounter, 0 mSdLazyCounter, 380 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 182 SdHoareTripleChecker+Valid, 142 SdHoareTripleChecker+Invalid, 389 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 380 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-17 04:48:17,111 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [182 Valid, 142 Invalid, 389 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 380 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-17 04:48:17,111 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 184 states. [2024-11-17 04:48:17,117 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 184 to 178. [2024-11-17 04:48:17,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 178 states, 139 states have (on average 1.330935251798561) internal successors, (185), 173 states have internal predecessors, (185), 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 04:48:17,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 178 states and 191 transitions. [2024-11-17 04:48:17,119 INFO L78 Accepts]: Start accepts. Automaton has 178 states and 191 transitions. Word has length 45 [2024-11-17 04:48:17,119 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:48:17,119 INFO L471 AbstractCegarLoop]: Abstraction has 178 states and 191 transitions. [2024-11-17 04:48:17,119 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 11.428571428571429) internal successors, (80), 8 states have internal predecessors, (80), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-17 04:48:17,120 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 191 transitions. [2024-11-17 04:48:17,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2024-11-17 04:48:17,120 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:48:17,120 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:48:17,137 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-17 04:48:17,321 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:48:17,321 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2024-11-17 04:48:17,322 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:48:17,322 INFO L85 PathProgramCache]: Analyzing trace with hash -1987799143, now seen corresponding path program 1 times [2024-11-17 04:48:17,322 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:48:17,322 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [960604161] [2024-11-17 04:48:17,322 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:48:17,323 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:48:17,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:48:17,341 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [168099036] [2024-11-17 04:48:17,342 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:48:17,342 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:48:17,342 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:48:17,344 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 04:48:17,345 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-17 04:48:17,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:48:17,392 INFO L255 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-17 04:48:17,394 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:48:17,469 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:48:17,469 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 04:48:17,469 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:48:17,469 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [960604161] [2024-11-17 04:48:17,470 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:48:17,470 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [168099036] [2024-11-17 04:48:17,470 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [168099036] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:48:17,470 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:48:17,470 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-17 04:48:17,470 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1401145894] [2024-11-17 04:48:17,470 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:48:17,471 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-17 04:48:17,471 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:48:17,471 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-17 04:48:17,471 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-17 04:48:17,471 INFO L87 Difference]: Start difference. First operand 178 states and 191 transitions. Second operand has 5 states, 4 states have (on average 12.5) internal successors, (50), 5 states have internal predecessors, (50), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-17 04:48:17,625 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:48:17,625 INFO L93 Difference]: Finished difference Result 178 states and 191 transitions. [2024-11-17 04:48:17,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-17 04:48:17,626 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 12.5) internal successors, (50), 5 states have internal predecessors, (50), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 52 [2024-11-17 04:48:17,626 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:48:17,627 INFO L225 Difference]: With dead ends: 178 [2024-11-17 04:48:17,628 INFO L226 Difference]: Without dead ends: 167 [2024-11-17 04:48:17,629 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-17 04:48:17,630 INFO L432 NwaCegarLoop]: 21 mSDtfsCounter, 95 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 107 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 96 SdHoareTripleChecker+Valid, 35 SdHoareTripleChecker+Invalid, 120 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 107 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 04:48:17,630 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [96 Valid, 35 Invalid, 120 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 107 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 04:48:17,631 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 167 states. [2024-11-17 04:48:17,636 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 167 to 167. [2024-11-17 04:48:17,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 167 states, 139 states have (on average 1.223021582733813) internal successors, (170), 162 states have internal predecessors, (170), 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 04:48:17,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 167 states and 176 transitions. [2024-11-17 04:48:17,638 INFO L78 Accepts]: Start accepts. Automaton has 167 states and 176 transitions. Word has length 52 [2024-11-17 04:48:17,639 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:48:17,640 INFO L471 AbstractCegarLoop]: Abstraction has 167 states and 176 transitions. [2024-11-17 04:48:17,640 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 12.5) internal successors, (50), 5 states have internal predecessors, (50), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-17 04:48:17,640 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 176 transitions. [2024-11-17 04:48:17,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-17 04:48:17,642 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:48:17,642 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:48:17,659 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-11-17 04:48:17,843 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2024-11-17 04:48:17,844 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2024-11-17 04:48:17,844 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:48:17,844 INFO L85 PathProgramCache]: Analyzing trace with hash -1492231241, now seen corresponding path program 1 times [2024-11-17 04:48:17,844 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:48:17,844 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [829069056] [2024-11-17 04:48:17,845 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:48:17,845 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:48:17,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:48:17,868 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1074948882] [2024-11-17 04:48:17,868 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:48:17,869 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:48:17,869 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:48:17,870 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 04:48:17,872 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-17 04:48:17,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:48:17,918 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-17 04:48:17,920 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:48:18,125 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:48:18,126 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:48:18,269 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:48:18,270 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:48:18,270 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [829069056] [2024-11-17 04:48:18,270 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:48:18,270 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1074948882] [2024-11-17 04:48:18,270 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1074948882] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 04:48:18,270 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-17 04:48:18,271 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 7 [2024-11-17 04:48:18,272 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1208298707] [2024-11-17 04:48:18,272 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-17 04:48:18,273 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-17 04:48:18,273 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:48:18,274 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-17 04:48:18,274 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2024-11-17 04:48:18,274 INFO L87 Difference]: Start difference. First operand 167 states and 176 transitions. Second operand has 8 states, 7 states have (on average 13.714285714285714) internal successors, (96), 8 states have internal predecessors, (96), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-17 04:48:18,689 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:48:18,690 INFO L93 Difference]: Finished difference Result 182 states and 195 transitions. [2024-11-17 04:48:18,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-17 04:48:18,691 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 13.714285714285714) internal successors, (96), 8 states have internal predecessors, (96), 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) Word has length 53 [2024-11-17 04:48:18,691 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:48:18,692 INFO L225 Difference]: With dead ends: 182 [2024-11-17 04:48:18,692 INFO L226 Difference]: Without dead ends: 154 [2024-11-17 04:48:18,693 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 98 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=41, Unknown=0, NotChecked=0, Total=72 [2024-11-17 04:48:18,693 INFO L432 NwaCegarLoop]: 28 mSDtfsCounter, 113 mSDsluCounter, 78 mSDsCounter, 0 mSdLazyCounter, 388 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 115 SdHoareTripleChecker+Valid, 106 SdHoareTripleChecker+Invalid, 402 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 388 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-17 04:48:18,693 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [115 Valid, 106 Invalid, 402 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 388 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-17 04:48:18,694 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 154 states. [2024-11-17 04:48:18,699 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 154 to 152. [2024-11-17 04:48:18,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 152 states, 129 states have (on average 1.2015503875968991) internal successors, (155), 147 states have internal predecessors, (155), 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 04:48:18,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 161 transitions. [2024-11-17 04:48:18,700 INFO L78 Accepts]: Start accepts. Automaton has 152 states and 161 transitions. Word has length 53 [2024-11-17 04:48:18,700 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:48:18,700 INFO L471 AbstractCegarLoop]: Abstraction has 152 states and 161 transitions. [2024-11-17 04:48:18,700 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 13.714285714285714) internal successors, (96), 8 states have internal predecessors, (96), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-17 04:48:18,700 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 161 transitions. [2024-11-17 04:48:18,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2024-11-17 04:48:18,701 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:48:18,701 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:48:18,720 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-17 04:48:18,905 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:48:18,906 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2024-11-17 04:48:18,907 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:48:18,907 INFO L85 PathProgramCache]: Analyzing trace with hash 2022117671, now seen corresponding path program 1 times [2024-11-17 04:48:18,907 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:48:18,907 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1346498081] [2024-11-17 04:48:18,907 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:48:18,907 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:48:18,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:48:19,007 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-17 04:48:19,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:48:19,011 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-17 04:48:19,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:48:19,016 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-17 04:48:19,016 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:48:19,016 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1346498081] [2024-11-17 04:48:19,016 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1346498081] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:48:19,017 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1384721055] [2024-11-17 04:48:19,017 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:48:19,017 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:48:19,017 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:48:19,019 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 04:48:19,020 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-17 04:48:19,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:48:19,065 INFO L255 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-17 04:48:19,067 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:48:19,135 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-17 04:48:19,135 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 04:48:19,135 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1384721055] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:48:19,135 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-17 04:48:19,135 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2024-11-17 04:48:19,136 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1962948623] [2024-11-17 04:48:19,136 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:48:19,137 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 04:48:19,137 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:48:19,137 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 04:48:19,138 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-17 04:48:19,138 INFO L87 Difference]: Start difference. First operand 152 states and 161 transitions. Second operand has 4 states, 3 states have (on average 20.333333333333332) internal successors, (61), 4 states have internal predecessors, (61), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-17 04:48:19,160 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:48:19,161 INFO L93 Difference]: Finished difference Result 152 states and 161 transitions. [2024-11-17 04:48:19,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 04:48:19,161 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 20.333333333333332) internal successors, (61), 4 states have internal predecessors, (61), 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) Word has length 68 [2024-11-17 04:48:19,161 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:48:19,162 INFO L225 Difference]: With dead ends: 152 [2024-11-17 04:48:19,162 INFO L226 Difference]: Without dead ends: 151 [2024-11-17 04:48:19,162 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-17 04:48:19,163 INFO L432 NwaCegarLoop]: 89 mSDtfsCounter, 26 mSDsluCounter, 45 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 134 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-17 04:48:19,163 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 134 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-17 04:48:19,163 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 151 states. [2024-11-17 04:48:19,190 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 151 to 151. [2024-11-17 04:48:19,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 151 states, 129 states have (on average 1.186046511627907) internal successors, (153), 146 states have internal predecessors, (153), 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 04:48:19,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 159 transitions. [2024-11-17 04:48:19,192 INFO L78 Accepts]: Start accepts. Automaton has 151 states and 159 transitions. Word has length 68 [2024-11-17 04:48:19,192 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:48:19,193 INFO L471 AbstractCegarLoop]: Abstraction has 151 states and 159 transitions. [2024-11-17 04:48:19,193 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 20.333333333333332) internal successors, (61), 4 states have internal predecessors, (61), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-17 04:48:19,193 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 159 transitions. [2024-11-17 04:48:19,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2024-11-17 04:48:19,194 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:48:19,194 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:48:19,212 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-17 04:48:19,394 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:48:19,396 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2024-11-17 04:48:19,397 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:48:19,397 INFO L85 PathProgramCache]: Analyzing trace with hash -1738861614, now seen corresponding path program 1 times [2024-11-17 04:48:19,398 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:48:19,398 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [266365165] [2024-11-17 04:48:19,398 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:48:19,398 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:48:19,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:48:19,495 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-17 04:48:19,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:48:19,499 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-17 04:48:19,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:48:19,504 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-17 04:48:19,504 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:48:19,504 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [266365165] [2024-11-17 04:48:19,504 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [266365165] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:48:19,505 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1041257623] [2024-11-17 04:48:19,505 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:48:19,505 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:48:19,505 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:48:19,507 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 04:48:19,508 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-17 04:48:19,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:48:19,551 INFO L255 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-17 04:48:19,553 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:48:19,621 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-17 04:48:19,621 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:48:19,706 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-17 04:48:19,706 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1041257623] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 04:48:19,707 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 04:48:19,707 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2024-11-17 04:48:19,707 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [143793825] [2024-11-17 04:48:19,707 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 04:48:19,708 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-17 04:48:19,708 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:48:19,708 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-17 04:48:19,708 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-17 04:48:19,709 INFO L87 Difference]: Start difference. First operand 151 states and 159 transitions. Second operand has 7 states, 6 states have (on average 23.833333333333332) internal successors, (143), 7 states have internal predecessors, (143), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-17 04:48:19,751 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:48:19,751 INFO L93 Difference]: Finished difference Result 216 states and 224 transitions. [2024-11-17 04:48:19,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-17 04:48:19,752 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 23.833333333333332) internal successors, (143), 7 states have internal predecessors, (143), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) Word has length 69 [2024-11-17 04:48:19,752 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:48:19,754 INFO L225 Difference]: With dead ends: 216 [2024-11-17 04:48:19,754 INFO L226 Difference]: Without dead ends: 215 [2024-11-17 04:48:19,754 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 143 GetRequests, 138 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-17 04:48:19,755 INFO L432 NwaCegarLoop]: 68 mSDtfsCounter, 36 mSDsluCounter, 185 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 253 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-17 04:48:19,755 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 253 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-17 04:48:19,756 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 215 states. [2024-11-17 04:48:19,762 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 215 to 196. [2024-11-17 04:48:19,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 196 states, 172 states have (on average 1.2267441860465116) internal successors, (211), 189 states have internal predecessors, (211), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-17 04:48:19,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 196 states and 221 transitions. [2024-11-17 04:48:19,764 INFO L78 Accepts]: Start accepts. Automaton has 196 states and 221 transitions. Word has length 69 [2024-11-17 04:48:19,764 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:48:19,764 INFO L471 AbstractCegarLoop]: Abstraction has 196 states and 221 transitions. [2024-11-17 04:48:19,764 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 23.833333333333332) internal successors, (143), 7 states have internal predecessors, (143), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-17 04:48:19,764 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 221 transitions. [2024-11-17 04:48:19,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2024-11-17 04:48:19,765 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:48:19,765 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2024-11-17 04:48:19,784 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-11-17 04:48:19,969 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,SelfDestructingSolverStorable13 [2024-11-17 04:48:19,970 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr41ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2024-11-17 04:48:19,970 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:48:19,970 INFO L85 PathProgramCache]: Analyzing trace with hash 958708258, now seen corresponding path program 1 times [2024-11-17 04:48:19,971 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:48:19,971 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [185251478] [2024-11-17 04:48:19,971 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:48:19,971 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:48:19,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:48:20,039 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-17 04:48:20,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:48:20,042 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-17 04:48:20,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:48:20,047 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-11-17 04:48:20,048 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:48:20,048 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [185251478] [2024-11-17 04:48:20,048 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [185251478] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:48:20,048 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:48:20,048 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-17 04:48:20,048 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [412759096] [2024-11-17 04:48:20,049 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:48:20,049 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 04:48:20,049 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:48:20,049 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 04:48:20,050 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-17 04:48:20,050 INFO L87 Difference]: Start difference. First operand 196 states and 221 transitions. Second operand has 4 states, 3 states have (on average 21.333333333333332) internal successors, (64), 4 states have internal predecessors, (64), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-17 04:48:20,116 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:48:20,116 INFO L93 Difference]: Finished difference Result 196 states and 221 transitions. [2024-11-17 04:48:20,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-17 04:48:20,117 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 21.333333333333332) internal successors, (64), 4 states have internal predecessors, (64), 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) Word has length 83 [2024-11-17 04:48:20,117 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:48:20,118 INFO L225 Difference]: With dead ends: 196 [2024-11-17 04:48:20,119 INFO L226 Difference]: Without dead ends: 191 [2024-11-17 04:48:20,119 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-17 04:48:20,119 INFO L432 NwaCegarLoop]: 22 mSDtfsCounter, 62 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 58 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 28 SdHoareTripleChecker+Invalid, 64 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 58 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 04:48:20,120 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [63 Valid, 28 Invalid, 64 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 58 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 04:48:20,120 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 191 states. [2024-11-17 04:48:20,126 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 191 to 191. [2024-11-17 04:48:20,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 191 states, 172 states have (on average 1.1686046511627908) internal successors, (201), 184 states have internal predecessors, (201), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-17 04:48:20,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 191 states and 211 transitions. [2024-11-17 04:48:20,128 INFO L78 Accepts]: Start accepts. Automaton has 191 states and 211 transitions. Word has length 83 [2024-11-17 04:48:20,128 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:48:20,128 INFO L471 AbstractCegarLoop]: Abstraction has 191 states and 211 transitions. [2024-11-17 04:48:20,128 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 21.333333333333332) internal successors, (64), 4 states have internal predecessors, (64), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-17 04:48:20,129 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 211 transitions. [2024-11-17 04:48:20,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2024-11-17 04:48:20,129 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:48:20,130 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2024-11-17 04:48:20,130 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-17 04:48:20,130 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2024-11-17 04:48:20,130 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:48:20,130 INFO L85 PathProgramCache]: Analyzing trace with hash -344815014, now seen corresponding path program 1 times [2024-11-17 04:48:20,131 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:48:20,131 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [376190353] [2024-11-17 04:48:20,131 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:48:20,131 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:48:20,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:48:20,192 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-17 04:48:20,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:48:20,195 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-17 04:48:20,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:48:20,200 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-11-17 04:48:20,200 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:48:20,201 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [376190353] [2024-11-17 04:48:20,201 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [376190353] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:48:20,201 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:48:20,201 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-17 04:48:20,201 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [276922569] [2024-11-17 04:48:20,201 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:48:20,202 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 04:48:20,202 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:48:20,202 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 04:48:20,202 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-17 04:48:20,203 INFO L87 Difference]: Start difference. First operand 191 states and 211 transitions. Second operand has 4 states, 3 states have (on average 21.333333333333332) internal successors, (64), 4 states have internal predecessors, (64), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-17 04:48:20,265 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:48:20,266 INFO L93 Difference]: Finished difference Result 191 states and 211 transitions. [2024-11-17 04:48:20,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 04:48:20,266 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 21.333333333333332) internal successors, (64), 4 states have internal predecessors, (64), 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) Word has length 84 [2024-11-17 04:48:20,267 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:48:20,268 INFO L225 Difference]: With dead ends: 191 [2024-11-17 04:48:20,268 INFO L226 Difference]: Without dead ends: 190 [2024-11-17 04:48:20,268 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-17 04:48:20,269 INFO L432 NwaCegarLoop]: 22 mSDtfsCounter, 56 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 58 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 56 SdHoareTripleChecker+Valid, 28 SdHoareTripleChecker+Invalid, 61 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 58 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 04:48:20,269 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [56 Valid, 28 Invalid, 61 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 58 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 04:48:20,270 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 190 states. [2024-11-17 04:48:20,277 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 190 to 190. [2024-11-17 04:48:20,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 190 states, 172 states have (on average 1.1511627906976745) internal successors, (198), 183 states have internal predecessors, (198), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-17 04:48:20,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 190 states and 208 transitions. [2024-11-17 04:48:20,281 INFO L78 Accepts]: Start accepts. Automaton has 190 states and 208 transitions. Word has length 84 [2024-11-17 04:48:20,281 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:48:20,282 INFO L471 AbstractCegarLoop]: Abstraction has 190 states and 208 transitions. [2024-11-17 04:48:20,282 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 21.333333333333332) internal successors, (64), 4 states have internal predecessors, (64), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-17 04:48:20,283 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 208 transitions. [2024-11-17 04:48:20,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2024-11-17 04:48:20,283 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:48:20,283 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2024-11-17 04:48:20,284 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-17 04:48:20,284 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2024-11-17 04:48:20,284 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:48:20,284 INFO L85 PathProgramCache]: Analyzing trace with hash -654744808, now seen corresponding path program 1 times [2024-11-17 04:48:20,284 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:48:20,285 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [608057853] [2024-11-17 04:48:20,285 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:48:20,285 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:48:20,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:48:20,390 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-17 04:48:20,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:48:20,394 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-17 04:48:20,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:48:20,405 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 42 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-17 04:48:20,405 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:48:20,405 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [608057853] [2024-11-17 04:48:20,405 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [608057853] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:48:20,405 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1671117783] [2024-11-17 04:48:20,405 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:48:20,405 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:48:20,406 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:48:20,409 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 04:48:20,411 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-17 04:48:20,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:48:20,461 INFO L255 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-17 04:48:20,462 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:48:20,538 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 42 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-17 04:48:20,538 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:48:20,702 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1671117783] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:48:20,702 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-17 04:48:20,702 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 4 [2024-11-17 04:48:20,702 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [243046917] [2024-11-17 04:48:20,702 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-17 04:48:20,703 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-17 04:48:20,703 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:48:20,704 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-17 04:48:20,704 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2024-11-17 04:48:20,704 INFO L87 Difference]: Start difference. First operand 190 states and 208 transitions. Second operand has 5 states, 4 states have (on average 19.25) internal successors, (77), 5 states have internal predecessors, (77), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-17 04:48:20,802 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:48:20,802 INFO L93 Difference]: Finished difference Result 190 states and 208 transitions. [2024-11-17 04:48:20,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-17 04:48:20,803 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 19.25) internal successors, (77), 5 states have internal predecessors, (77), 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) Word has length 86 [2024-11-17 04:48:20,803 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:48:20,804 INFO L225 Difference]: With dead ends: 190 [2024-11-17 04:48:20,804 INFO L226 Difference]: Without dead ends: 179 [2024-11-17 04:48:20,804 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 109 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2024-11-17 04:48:20,805 INFO L432 NwaCegarLoop]: 20 mSDtfsCounter, 80 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 75 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 80 SdHoareTripleChecker+Valid, 40 SdHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 75 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 04:48:20,805 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [80 Valid, 40 Invalid, 82 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 75 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 04:48:20,805 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 179 states. [2024-11-17 04:48:20,812 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 179 to 179. [2024-11-17 04:48:20,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 179 states, 165 states have (on average 1.1090909090909091) internal successors, (183), 172 states have internal predecessors, (183), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-17 04:48:20,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 179 states and 193 transitions. [2024-11-17 04:48:20,814 INFO L78 Accepts]: Start accepts. Automaton has 179 states and 193 transitions. Word has length 86 [2024-11-17 04:48:20,815 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:48:20,815 INFO L471 AbstractCegarLoop]: Abstraction has 179 states and 193 transitions. [2024-11-17 04:48:20,815 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 19.25) internal successors, (77), 5 states have internal predecessors, (77), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-17 04:48:20,815 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 193 transitions. [2024-11-17 04:48:20,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2024-11-17 04:48:20,816 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:48:20,816 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2024-11-17 04:48:20,833 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2024-11-17 04:48:21,016 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,SelfDestructingSolverStorable16 [2024-11-17 04:48:21,017 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2024-11-17 04:48:21,017 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:48:21,017 INFO L85 PathProgramCache]: Analyzing trace with hash 1177747486, now seen corresponding path program 1 times [2024-11-17 04:48:21,017 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:48:21,017 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1733317079] [2024-11-17 04:48:21,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:48:21,018 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:48:21,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:48:21,039 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2121212304] [2024-11-17 04:48:21,039 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:48:21,039 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:48:21,040 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:48:21,041 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 04:48:21,043 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-17 04:48:21,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:48:21,095 INFO L255 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-17 04:48:21,097 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:48:21,195 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-17 04:48:21,196 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 04:48:21,196 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:48:21,196 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1733317079] [2024-11-17 04:48:21,196 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:48:21,196 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2121212304] [2024-11-17 04:48:21,196 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2121212304] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:48:21,197 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:48:21,197 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-17 04:48:21,197 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1077730883] [2024-11-17 04:48:21,197 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:48:21,197 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-17 04:48:21,197 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:48:21,198 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-17 04:48:21,198 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-17 04:48:21,198 INFO L87 Difference]: Start difference. First operand 179 states and 193 transitions. Second operand has 5 states, 4 states have (on average 20.0) internal successors, (80), 5 states have internal predecessors, (80), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-17 04:48:21,305 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:48:21,305 INFO L93 Difference]: Finished difference Result 179 states and 193 transitions. [2024-11-17 04:48:21,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-17 04:48:21,306 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 20.0) internal successors, (80), 5 states have internal predecessors, (80), 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) Word has length 87 [2024-11-17 04:48:21,306 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:48:21,307 INFO L225 Difference]: With dead ends: 179 [2024-11-17 04:48:21,307 INFO L226 Difference]: Without dead ends: 170 [2024-11-17 04:48:21,308 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 83 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-17 04:48:21,308 INFO L432 NwaCegarLoop]: 42 mSDtfsCounter, 36 mSDsluCounter, 32 mSDsCounter, 0 mSdLazyCounter, 130 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 37 SdHoareTripleChecker+Valid, 74 SdHoareTripleChecker+Invalid, 131 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 130 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 04:48:21,308 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [37 Valid, 74 Invalid, 131 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 130 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 04:48:21,309 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 170 states. [2024-11-17 04:48:21,315 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 170 to 170. [2024-11-17 04:48:21,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 170 states, 158 states have (on average 1.0759493670886076) internal successors, (170), 163 states have internal predecessors, (170), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-17 04:48:21,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 170 states and 180 transitions. [2024-11-17 04:48:21,316 INFO L78 Accepts]: Start accepts. Automaton has 170 states and 180 transitions. Word has length 87 [2024-11-17 04:48:21,317 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:48:21,317 INFO L471 AbstractCegarLoop]: Abstraction has 170 states and 180 transitions. [2024-11-17 04:48:21,317 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 20.0) internal successors, (80), 5 states have internal predecessors, (80), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-17 04:48:21,317 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 180 transitions. [2024-11-17 04:48:21,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2024-11-17 04:48:21,318 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:48:21,318 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2024-11-17 04:48:21,336 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-11-17 04:48:21,522 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-11-17 04:48:21,523 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2024-11-17 04:48:21,523 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:48:21,523 INFO L85 PathProgramCache]: Analyzing trace with hash -2144533546, now seen corresponding path program 1 times [2024-11-17 04:48:21,523 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:48:21,523 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1481949862] [2024-11-17 04:48:21,523 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:48:21,523 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:48:21,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:48:21,542 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [617084194] [2024-11-17 04:48:21,542 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:48:21,542 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:48:21,542 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:48:21,544 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 04:48:21,545 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-11-17 04:48:21,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:48:21,596 INFO L255 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-17 04:48:21,598 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:48:21,697 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 53 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-17 04:48:21,698 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:48:21,827 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:48:21,827 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1481949862] [2024-11-17 04:48:21,827 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:48:21,827 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [617084194] [2024-11-17 04:48:21,828 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [617084194] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:48:21,828 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-17 04:48:21,828 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2024-11-17 04:48:21,828 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1356630038] [2024-11-17 04:48:21,828 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-17 04:48:21,828 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-17 04:48:21,828 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:48:21,829 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-17 04:48:21,829 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-17 04:48:21,829 INFO L87 Difference]: Start difference. First operand 170 states and 180 transitions. Second operand has 5 states, 4 states have (on average 20.25) internal successors, (81), 5 states have internal predecessors, (81), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-17 04:48:21,935 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:48:21,935 INFO L93 Difference]: Finished difference Result 171 states and 180 transitions. [2024-11-17 04:48:21,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-17 04:48:21,936 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 20.25) internal successors, (81), 5 states have internal predecessors, (81), 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) Word has length 88 [2024-11-17 04:48:21,936 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:48:21,937 INFO L225 Difference]: With dead ends: 171 [2024-11-17 04:48:21,937 INFO L226 Difference]: Without dead ends: 170 [2024-11-17 04:48:21,937 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 105 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-17 04:48:21,938 INFO L432 NwaCegarLoop]: 23 mSDtfsCounter, 17 mSDsluCounter, 41 mSDsCounter, 0 mSdLazyCounter, 108 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 64 SdHoareTripleChecker+Invalid, 108 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 108 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 04:48:21,938 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 64 Invalid, 108 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 108 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 04:48:21,938 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 170 states. [2024-11-17 04:48:21,943 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 170 to 170. [2024-11-17 04:48:21,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 170 states, 158 states have (on average 1.0696202531645569) internal successors, (169), 163 states have internal predecessors, (169), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-17 04:48:21,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 170 states and 179 transitions. [2024-11-17 04:48:21,945 INFO L78 Accepts]: Start accepts. Automaton has 170 states and 179 transitions. Word has length 88 [2024-11-17 04:48:21,945 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:48:21,945 INFO L471 AbstractCegarLoop]: Abstraction has 170 states and 179 transitions. [2024-11-17 04:48:21,945 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 20.25) internal successors, (81), 5 states have internal predecessors, (81), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-17 04:48:21,945 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 179 transitions. [2024-11-17 04:48:21,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2024-11-17 04:48:21,946 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:48:21,946 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2024-11-17 04:48:21,963 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-11-17 04:48:22,147 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:48:22,147 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2024-11-17 04:48:22,147 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:48:22,148 INFO L85 PathProgramCache]: Analyzing trace with hash 371425354, now seen corresponding path program 1 times [2024-11-17 04:48:22,148 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:48:22,148 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [353312015] [2024-11-17 04:48:22,148 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:48:22,148 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:48:22,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:48:22,172 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1443278084] [2024-11-17 04:48:22,172 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:48:22,173 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:48:22,173 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:48:22,174 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 04:48:22,176 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-11-17 04:48:22,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:48:22,234 INFO L255 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-17 04:48:22,235 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:48:22,367 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 93 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-17 04:48:22,368 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:48:22,626 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 93 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-17 04:48:22,626 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:48:22,626 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [353312015] [2024-11-17 04:48:22,626 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:48:22,626 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1443278084] [2024-11-17 04:48:22,626 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1443278084] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 04:48:22,627 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-17 04:48:22,627 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2024-11-17 04:48:22,627 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1107238138] [2024-11-17 04:48:22,627 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-17 04:48:22,627 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-17 04:48:22,627 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:48:22,628 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-17 04:48:22,628 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2024-11-17 04:48:22,628 INFO L87 Difference]: Start difference. First operand 170 states and 179 transitions. Second operand has 10 states, 9 states have (on average 21.555555555555557) internal successors, (194), 10 states have internal predecessors, (194), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-17 04:48:22,911 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:48:22,911 INFO L93 Difference]: Finished difference Result 190 states and 199 transitions. [2024-11-17 04:48:22,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-17 04:48:22,911 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 21.555555555555557) internal successors, (194), 10 states have internal predecessors, (194), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) Word has length 112 [2024-11-17 04:48:22,912 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:48:22,913 INFO L225 Difference]: With dead ends: 190 [2024-11-17 04:48:22,913 INFO L226 Difference]: Without dead ends: 188 [2024-11-17 04:48:22,913 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 224 GetRequests, 214 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=53, Invalid=79, Unknown=0, NotChecked=0, Total=132 [2024-11-17 04:48:22,913 INFO L432 NwaCegarLoop]: 49 mSDtfsCounter, 122 mSDsluCounter, 145 mSDsCounter, 0 mSdLazyCounter, 408 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 123 SdHoareTripleChecker+Valid, 194 SdHoareTripleChecker+Invalid, 413 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 408 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-17 04:48:22,914 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [123 Valid, 194 Invalid, 413 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 408 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-17 04:48:22,914 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 188 states. [2024-11-17 04:48:22,920 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 188 to 169. [2024-11-17 04:48:22,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 169 states, 158 states have (on average 1.0506329113924051) internal successors, (166), 162 states have internal predecessors, (166), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-17 04:48:22,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 169 states and 176 transitions. [2024-11-17 04:48:22,922 INFO L78 Accepts]: Start accepts. Automaton has 169 states and 176 transitions. Word has length 112 [2024-11-17 04:48:22,922 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:48:22,922 INFO L471 AbstractCegarLoop]: Abstraction has 169 states and 176 transitions. [2024-11-17 04:48:22,922 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 21.555555555555557) internal successors, (194), 10 states have internal predecessors, (194), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-17 04:48:22,922 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 176 transitions. [2024-11-17 04:48:22,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2024-11-17 04:48:22,923 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:48:22,923 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1] [2024-11-17 04:48:22,941 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2024-11-17 04:48:23,124 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:48:23,124 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2024-11-17 04:48:23,125 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:48:23,125 INFO L85 PathProgramCache]: Analyzing trace with hash 457480040, now seen corresponding path program 1 times [2024-11-17 04:48:23,125 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:48:23,125 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [89289392] [2024-11-17 04:48:23,125 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:48:23,125 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:48:23,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:48:23,154 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [93836850] [2024-11-17 04:48:23,154 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:48:23,154 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:48:23,154 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:48:23,156 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 04:48:23,159 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-11-17 04:48:23,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:48:23,214 INFO L255 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-17 04:48:23,216 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:48:23,570 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 6 proven. 97 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-17 04:48:23,570 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:48:32,539 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse2 (+ |c_ULTIMATE.start_main_~y~0#1| (* |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| 2) (* |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| 3)))) (let ((.cse0 (div .cse2 6)) (.cse1 (* |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1|))) (or (< (+ (* |c_ULTIMATE.start_main_~y~0#1| 6) .cse0 (* .cse1 2)) 9223372036854775803) (< (+ .cse1 |c_ULTIMATE.start_main_~x~0#1|) .cse0) (not (= (mod .cse2 6) 0)) (< 3074457345618258601 (+ .cse1 (* |c_ULTIMATE.start_main_~y~0#1| 2)))))) is different from false