./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/no-overflow.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/cohendiv-ll_unwindbound1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version fca748b1 Calling Ultimate with: /root/.sdkman/candidates/java/current/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 /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/cohendiv-ll_unwindbound1.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 079768eb2ce141267a1411f9330cb4d0cef674bf78865555f3130b47379d643a --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dd.update-z3-fca748b-m [2024-11-20 18:29:11,811 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-20 18:29:11,875 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-20 18:29:11,880 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-20 18:29:11,883 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-20 18:29:11,900 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-20 18:29:11,901 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-20 18:29:11,901 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-20 18:29:11,902 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-20 18:29:11,903 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-20 18:29:11,903 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-20 18:29:11,904 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-20 18:29:11,904 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-20 18:29:11,904 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-20 18:29:11,904 INFO L153 SettingsManager]: * Use SBE=true [2024-11-20 18:29:11,907 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-20 18:29:11,907 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-20 18:29:11,907 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-20 18:29:11,907 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-20 18:29:11,907 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-20 18:29:11,907 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-20 18:29:11,908 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-20 18:29:11,908 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-20 18:29:11,908 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-20 18:29:11,908 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-20 18:29:11,909 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-20 18:29:11,909 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-20 18:29:11,909 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-20 18:29:11,909 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-20 18:29:11,909 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-20 18:29:11,909 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-20 18:29:11,910 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-20 18:29:11,910 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-20 18:29:11,910 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-20 18:29:11,910 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 18:29:11,911 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-20 18:29:11,911 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-20 18:29:11,911 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-20 18:29:11,911 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-20 18:29:11,912 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-20 18:29:11,912 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-20 18:29:11,912 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-20 18:29:11,912 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-20 18:29:11,912 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-20 18:29:11,913 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 079768eb2ce141267a1411f9330cb4d0cef674bf78865555f3130b47379d643a [2024-11-20 18:29:12,105 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-20 18:29:12,124 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-20 18:29:12,127 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-20 18:29:12,127 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-20 18:29:12,128 INFO L274 PluginConnector]: CDTParser initialized [2024-11-20 18:29:12,129 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/cohendiv-ll_unwindbound1.c [2024-11-20 18:29:13,350 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-20 18:29:13,483 INFO L384 CDTParser]: Found 1 translation units. [2024-11-20 18:29:13,483 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/cohendiv-ll_unwindbound1.c [2024-11-20 18:29:13,489 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/884da1a6a/a25757e819a647c097ccadd35240e172/FLAGe94180694 [2024-11-20 18:29:13,910 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/884da1a6a/a25757e819a647c097ccadd35240e172 [2024-11-20 18:29:13,912 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-20 18:29:13,912 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-20 18:29:13,913 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-20 18:29:13,913 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-20 18:29:13,921 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-20 18:29:13,921 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:29:13" (1/1) ... [2024-11-20 18:29:13,923 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7deb9393 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:29:13, skipping insertion in model container [2024-11-20 18:29:13,923 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:29:13" (1/1) ... [2024-11-20 18:29:13,939 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-20 18:29:14,083 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 18:29:14,089 INFO L200 MainTranslator]: Completed pre-run [2024-11-20 18:29:14,102 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 18:29:14,113 INFO L204 MainTranslator]: Completed translation [2024-11-20 18:29:14,114 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:29:14 WrapperNode [2024-11-20 18:29:14,114 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-20 18:29:14,115 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-20 18:29:14,115 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-20 18:29:14,115 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-20 18:29:14,120 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:29:14" (1/1) ... [2024-11-20 18:29:14,125 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:29:14" (1/1) ... [2024-11-20 18:29:14,138 INFO L138 Inliner]: procedures = 14, calls = 16, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 107 [2024-11-20 18:29:14,138 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-20 18:29:14,139 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-20 18:29:14,139 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-20 18:29:14,139 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-20 18:29:14,146 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:29:14" (1/1) ... [2024-11-20 18:29:14,146 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:29:14" (1/1) ... [2024-11-20 18:29:14,151 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:29:14" (1/1) ... [2024-11-20 18:29:14,164 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]. [2024-11-20 18:29:14,164 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:29:14" (1/1) ... [2024-11-20 18:29:14,164 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:29:14" (1/1) ... [2024-11-20 18:29:14,166 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:29:14" (1/1) ... [2024-11-20 18:29:14,168 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:29:14" (1/1) ... [2024-11-20 18:29:14,169 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:29:14" (1/1) ... [2024-11-20 18:29:14,170 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:29:14" (1/1) ... [2024-11-20 18:29:14,171 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-20 18:29:14,171 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-20 18:29:14,171 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-20 18:29:14,172 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-20 18:29:14,172 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:29:14" (1/1) ... [2024-11-20 18:29:14,178 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 18:29:14,185 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 18:29:14,198 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) [2024-11-20 18:29:14,200 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 [2024-11-20 18:29:14,234 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-20 18:29:14,234 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-20 18:29:14,235 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-20 18:29:14,235 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-20 18:29:14,235 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-20 18:29:14,235 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-20 18:29:14,280 INFO L238 CfgBuilder]: Building ICFG [2024-11-20 18:29:14,282 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-20 18:29:14,508 INFO L? ?]: Removed 68 outVars from TransFormulas that were not future-live. [2024-11-20 18:29:14,508 INFO L287 CfgBuilder]: Performing block encoding [2024-11-20 18:29:14,523 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-20 18:29:14,526 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-20 18:29:14,527 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:29:14 BoogieIcfgContainer [2024-11-20 18:29:14,527 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-20 18:29:14,528 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-20 18:29:14,529 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-20 18:29:14,531 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-20 18:29:14,531 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 06:29:13" (1/3) ... [2024-11-20 18:29:14,532 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b86cb9e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 06:29:14, skipping insertion in model container [2024-11-20 18:29:14,532 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:29:14" (2/3) ... [2024-11-20 18:29:14,532 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b86cb9e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 06:29:14, skipping insertion in model container [2024-11-20 18:29:14,532 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:29:14" (3/3) ... [2024-11-20 18:29:14,533 INFO L112 eAbstractionObserver]: Analyzing ICFG cohendiv-ll_unwindbound1.c [2024-11-20 18:29:14,544 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-20 18:29:14,544 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 34 error locations. [2024-11-20 18:29:14,585 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-20 18:29:14,590 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;@50d78654, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-20 18:29:14,590 INFO L334 AbstractCegarLoop]: Starting to check reachability of 34 error locations. [2024-11-20 18:29:14,593 INFO L276 IsEmpty]: Start isEmpty. Operand has 95 states, 52 states have (on average 1.8076923076923077) internal successors, (94), 86 states have internal predecessors, (94), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-11-20 18:29:14,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-20 18:29:14,597 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:29:14,597 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-11-20 18:29:14,597 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-20 18:29:14,601 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:29:14,601 INFO L85 PathProgramCache]: Analyzing trace with hash 889508776, now seen corresponding path program 1 times [2024-11-20 18:29:14,607 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:29:14,608 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1531291637] [2024-11-20 18:29:14,608 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:29:14,608 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:29:14,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:29:14,707 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 18:29:14,708 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:29:14,708 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1531291637] [2024-11-20 18:29:14,708 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1531291637] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 18:29:14,709 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 18:29:14,709 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 18:29:14,710 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1277563517] [2024-11-20 18:29:14,710 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 18:29:14,713 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-20 18:29:14,713 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:29:14,728 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-20 18:29:14,729 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-20 18:29:14,731 INFO L87 Difference]: Start difference. First operand has 95 states, 52 states have (on average 1.8076923076923077) internal successors, (94), 86 states have internal predecessors, (94), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) 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) [2024-11-20 18:29:14,766 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:29:14,766 INFO L93 Difference]: Finished difference Result 186 states and 218 transitions. [2024-11-20 18:29:14,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-20 18:29:14,768 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 [2024-11-20 18:29:14,768 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:29:14,773 INFO L225 Difference]: With dead ends: 186 [2024-11-20 18:29:14,773 INFO L226 Difference]: Without dead ends: 88 [2024-11-20 18:29:14,776 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 [2024-11-20 18:29:14,778 INFO L432 NwaCegarLoop]: 103 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, 103 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 [2024-11-20 18:29:14,795 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 103 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 18:29:14,810 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2024-11-20 18:29:14,823 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 88. [2024-11-20 18:29:14,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 88 states, 47 states have (on average 1.7872340425531914) internal successors, (84), 80 states have internal predecessors, (84), 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) [2024-11-20 18:29:14,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 96 transitions. [2024-11-20 18:29:14,827 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 96 transitions. Word has length 6 [2024-11-20 18:29:14,827 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:29:14,827 INFO L471 AbstractCegarLoop]: Abstraction has 88 states and 96 transitions. [2024-11-20 18:29:14,828 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) [2024-11-20 18:29:14,828 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 96 transitions. [2024-11-20 18:29:14,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-20 18:29:14,828 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:29:14,828 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-11-20 18:29:14,829 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-20 18:29:14,829 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-20 18:29:14,829 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:29:14,829 INFO L85 PathProgramCache]: Analyzing trace with hash 889568358, now seen corresponding path program 1 times [2024-11-20 18:29:14,829 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:29:14,830 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [276661637] [2024-11-20 18:29:14,830 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:29:14,830 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:29:14,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:29:14,886 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 18:29:14,886 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:29:14,886 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [276661637] [2024-11-20 18:29:14,886 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [276661637] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 18:29:14,886 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 18:29:14,887 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 18:29:14,887 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1885478375] [2024-11-20 18:29:14,887 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 18:29:14,888 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-20 18:29:14,888 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:29:14,889 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-20 18:29:14,889 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-20 18:29:14,889 INFO L87 Difference]: Start difference. First operand 88 states and 96 transitions. Second operand has 4 states, 3 states have (on average 2.0) internal successors, (6), 3 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) [2024-11-20 18:29:14,942 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:29:14,942 INFO L93 Difference]: Finished difference Result 126 states and 136 transitions. [2024-11-20 18:29:14,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-20 18:29:14,942 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 3 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 [2024-11-20 18:29:14,943 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:29:14,944 INFO L225 Difference]: With dead ends: 126 [2024-11-20 18:29:14,944 INFO L226 Difference]: Without dead ends: 125 [2024-11-20 18:29:14,944 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-20 18:29:14,945 INFO L432 NwaCegarLoop]: 89 mSDtfsCounter, 39 mSDsluCounter, 175 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 264 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-20 18:29:14,946 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [39 Valid, 264 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 18:29:14,946 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2024-11-20 18:29:14,953 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 104. [2024-11-20 18:29:14,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 104 states, 60 states have (on average 1.75) internal successors, (105), 94 states have internal predecessors, (105), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 7 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-20 18:29:14,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 121 transitions. [2024-11-20 18:29:14,955 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 121 transitions. Word has length 6 [2024-11-20 18:29:14,955 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:29:14,955 INFO L471 AbstractCegarLoop]: Abstraction has 104 states and 121 transitions. [2024-11-20 18:29:14,955 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 3 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) [2024-11-20 18:29:14,955 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 121 transitions. [2024-11-20 18:29:14,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-20 18:29:14,956 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:29:14,956 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-20 18:29:14,956 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-20 18:29:14,956 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-20 18:29:14,957 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:29:14,957 INFO L85 PathProgramCache]: Analyzing trace with hash 1806815370, now seen corresponding path program 1 times [2024-11-20 18:29:14,957 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:29:14,957 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1532369109] [2024-11-20 18:29:14,957 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:29:14,957 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:29:14,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:29:15,006 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 18:29:15,006 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:29:15,006 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1532369109] [2024-11-20 18:29:15,007 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1532369109] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 18:29:15,007 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 18:29:15,007 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 18:29:15,007 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [134954500] [2024-11-20 18:29:15,007 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 18:29:15,007 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-20 18:29:15,008 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:29:15,008 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-20 18:29:15,008 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-20 18:29:15,008 INFO L87 Difference]: Start difference. First operand 104 states and 121 transitions. Second operand has 4 states, 3 states have (on average 2.3333333333333335) 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) [2024-11-20 18:29:15,038 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:29:15,039 INFO L93 Difference]: Finished difference Result 113 states and 128 transitions. [2024-11-20 18:29:15,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-20 18:29:15,041 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.3333333333333335) 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 [2024-11-20 18:29:15,041 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:29:15,043 INFO L225 Difference]: With dead ends: 113 [2024-11-20 18:29:15,043 INFO L226 Difference]: Without dead ends: 104 [2024-11-20 18:29:15,043 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-20 18:29:15,044 INFO L432 NwaCegarLoop]: 92 mSDtfsCounter, 3 mSDsluCounter, 175 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 267 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-20 18:29:15,044 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 267 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 18:29:15,045 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2024-11-20 18:29:15,054 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 104. [2024-11-20 18:29:15,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 104 states, 60 states have (on average 1.7166666666666666) internal successors, (103), 94 states have internal predecessors, (103), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 7 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-20 18:29:15,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 119 transitions. [2024-11-20 18:29:15,055 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 119 transitions. Word has length 7 [2024-11-20 18:29:15,055 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:29:15,055 INFO L471 AbstractCegarLoop]: Abstraction has 104 states and 119 transitions. [2024-11-20 18:29:15,055 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.3333333333333335) 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) [2024-11-20 18:29:15,055 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 119 transitions. [2024-11-20 18:29:15,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-20 18:29:15,056 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:29:15,056 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 18:29:15,056 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-20 18:29:15,056 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-20 18:29:15,056 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:29:15,057 INFO L85 PathProgramCache]: Analyzing trace with hash 1182784684, now seen corresponding path program 1 times [2024-11-20 18:29:15,057 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:29:15,057 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [724462650] [2024-11-20 18:29:15,057 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:29:15,057 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:29:15,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-20 18:29:15,072 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1523068681] [2024-11-20 18:29:15,072 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:29:15,072 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:29:15,072 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 18:29:15,074 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) [2024-11-20 18:29:15,075 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-20 18:29:15,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:29:15,109 INFO L255 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-20 18:29:15,112 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 18:29:15,125 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 18:29:15,126 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-20 18:29:15,126 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:29:15,126 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [724462650] [2024-11-20 18:29:15,127 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-20 18:29:15,127 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1523068681] [2024-11-20 18:29:15,127 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1523068681] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 18:29:15,127 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 18:29:15,127 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 18:29:15,128 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [644338662] [2024-11-20 18:29:15,128 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 18:29:15,128 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 18:29:15,128 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:29:15,129 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 18:29:15,129 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 18:29:15,129 INFO L87 Difference]: Start difference. First operand 104 states and 119 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) [2024-11-20 18:29:15,176 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:29:15,176 INFO L93 Difference]: Finished difference Result 119 states and 128 transitions. [2024-11-20 18:29:15,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 18:29:15,177 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 [2024-11-20 18:29:15,177 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:29:15,178 INFO L225 Difference]: With dead ends: 119 [2024-11-20 18:29:15,178 INFO L226 Difference]: Without dead ends: 117 [2024-11-20 18:29:15,178 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 18:29:15,179 INFO L432 NwaCegarLoop]: 94 mSDtfsCounter, 18 mSDsluCounter, 73 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 167 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-20 18:29:15,179 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 167 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 18:29:15,180 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states. [2024-11-20 18:29:15,185 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 104. [2024-11-20 18:29:15,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 104 states, 60 states have (on average 1.6833333333333333) internal successors, (101), 94 states have internal predecessors, (101), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 7 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-20 18:29:15,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 117 transitions. [2024-11-20 18:29:15,186 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 117 transitions. Word has length 9 [2024-11-20 18:29:15,186 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:29:15,186 INFO L471 AbstractCegarLoop]: Abstraction has 104 states and 117 transitions. [2024-11-20 18:29:15,186 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) [2024-11-20 18:29:15,187 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 117 transitions. [2024-11-20 18:29:15,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-20 18:29:15,188 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:29:15,188 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 18:29:15,197 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-20 18:29:15,392 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:29:15,393 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-20 18:29:15,393 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:29:15,394 INFO L85 PathProgramCache]: Analyzing trace with hash 2005702327, now seen corresponding path program 1 times [2024-11-20 18:29:15,394 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:29:15,394 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2065939685] [2024-11-20 18:29:15,394 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:29:15,394 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:29:15,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-20 18:29:15,414 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1935358663] [2024-11-20 18:29:15,414 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:29:15,414 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:29:15,414 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 18:29:15,417 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) [2024-11-20 18:29:15,418 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-20 18:29:15,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:29:15,456 INFO L255 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-20 18:29:15,457 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 18:29:15,494 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 18:29:15,495 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-20 18:29:15,495 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:29:15,495 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2065939685] [2024-11-20 18:29:15,495 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-20 18:29:15,495 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1935358663] [2024-11-20 18:29:15,495 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1935358663] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 18:29:15,495 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 18:29:15,496 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 18:29:15,496 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [157351127] [2024-11-20 18:29:15,496 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 18:29:15,496 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 18:29:15,496 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:29:15,497 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 18:29:15,497 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 18:29:15,497 INFO L87 Difference]: Start difference. First operand 104 states and 117 transitions. Second operand has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 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) [2024-11-20 18:29:15,560 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:29:15,563 INFO L93 Difference]: Finished difference Result 160 states and 183 transitions. [2024-11-20 18:29:15,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 18:29:15,563 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 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 16 [2024-11-20 18:29:15,563 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:29:15,564 INFO L225 Difference]: With dead ends: 160 [2024-11-20 18:29:15,564 INFO L226 Difference]: Without dead ends: 154 [2024-11-20 18:29:15,564 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 [2024-11-20 18:29:15,565 INFO L432 NwaCegarLoop]: 75 mSDtfsCounter, 51 mSDsluCounter, 67 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 56 SdHoareTripleChecker+Valid, 142 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-20 18:29:15,566 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [56 Valid, 142 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-20 18:29:15,567 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 154 states. [2024-11-20 18:29:15,575 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 154 to 132. [2024-11-20 18:29:15,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 132 states, 84 states have (on average 1.6904761904761905) internal successors, (142), 117 states have internal predecessors, (142), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-20 18:29:15,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 166 transitions. [2024-11-20 18:29:15,581 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 166 transitions. Word has length 16 [2024-11-20 18:29:15,582 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:29:15,582 INFO L471 AbstractCegarLoop]: Abstraction has 132 states and 166 transitions. [2024-11-20 18:29:15,582 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 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) [2024-11-20 18:29:15,582 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 166 transitions. [2024-11-20 18:29:15,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-20 18:29:15,583 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:29:15,583 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 18:29:15,590 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-20 18:29:15,783 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:29:15,784 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-20 18:29:15,784 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:29:15,784 INFO L85 PathProgramCache]: Analyzing trace with hash -960377671, now seen corresponding path program 1 times [2024-11-20 18:29:15,784 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:29:15,784 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1450217252] [2024-11-20 18:29:15,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:29:15,785 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:29:15,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-20 18:29:15,800 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1942655931] [2024-11-20 18:29:15,800 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:29:15,801 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:29:15,801 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 18:29:15,806 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-20 18:29:15,808 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-20 18:29:15,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:29:15,841 INFO L255 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-20 18:29:15,842 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 18:29:15,920 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 18:29:15,920 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-20 18:29:15,920 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:29:15,920 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1450217252] [2024-11-20 18:29:15,920 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-20 18:29:15,920 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1942655931] [2024-11-20 18:29:15,920 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1942655931] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 18:29:15,920 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 18:29:15,920 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-20 18:29:15,920 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [671719552] [2024-11-20 18:29:15,921 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 18:29:15,921 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-20 18:29:15,921 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:29:15,921 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-20 18:29:15,921 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-20 18:29:15,921 INFO L87 Difference]: Start difference. First operand 132 states and 166 transitions. Second operand has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 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) [2024-11-20 18:29:16,017 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:29:16,017 INFO L93 Difference]: Finished difference Result 153 states and 173 transitions. [2024-11-20 18:29:16,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-20 18:29:16,018 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 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 18 [2024-11-20 18:29:16,018 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:29:16,019 INFO L225 Difference]: With dead ends: 153 [2024-11-20 18:29:16,019 INFO L226 Difference]: Without dead ends: 150 [2024-11-20 18:29:16,019 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-20 18:29:16,020 INFO L432 NwaCegarLoop]: 73 mSDtfsCounter, 182 mSDsluCounter, 69 mSDsCounter, 0 mSdLazyCounter, 59 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 188 SdHoareTripleChecker+Valid, 142 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 59 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-20 18:29:16,020 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [188 Valid, 142 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 59 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-20 18:29:16,020 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 150 states. [2024-11-20 18:29:16,026 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 150 to 133. [2024-11-20 18:29:16,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 133 states, 85 states have (on average 1.6588235294117648) internal successors, (141), 118 states have internal predecessors, (141), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-20 18:29:16,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 165 transitions. [2024-11-20 18:29:16,027 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 165 transitions. Word has length 18 [2024-11-20 18:29:16,028 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:29:16,028 INFO L471 AbstractCegarLoop]: Abstraction has 133 states and 165 transitions. [2024-11-20 18:29:16,028 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 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) [2024-11-20 18:29:16,028 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 165 transitions. [2024-11-20 18:29:16,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-20 18:29:16,028 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:29:16,028 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 18:29:16,035 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-20 18:29:16,229 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:29:16,230 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-20 18:29:16,230 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:29:16,230 INFO L85 PathProgramCache]: Analyzing trace with hash 293063337, now seen corresponding path program 1 times [2024-11-20 18:29:16,230 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:29:16,230 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1496760308] [2024-11-20 18:29:16,230 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:29:16,230 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:29:16,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-20 18:29:16,246 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [204697573] [2024-11-20 18:29:16,246 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:29:16,246 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:29:16,247 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 18:29:16,251 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) [2024-11-20 18:29:16,252 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-20 18:29:16,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:29:16,282 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-20 18:29:16,283 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 18:29:16,347 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 18:29:16,347 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-20 18:29:16,348 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:29:16,348 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1496760308] [2024-11-20 18:29:16,348 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-20 18:29:16,348 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [204697573] [2024-11-20 18:29:16,348 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [204697573] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 18:29:16,348 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 18:29:16,348 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-20 18:29:16,348 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1957812434] [2024-11-20 18:29:16,349 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 18:29:16,349 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-20 18:29:16,349 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:29:16,349 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-20 18:29:16,349 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-20 18:29:16,349 INFO L87 Difference]: Start difference. First operand 133 states and 165 transitions. Second operand has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 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) [2024-11-20 18:29:16,439 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:29:16,439 INFO L93 Difference]: Finished difference Result 153 states and 170 transitions. [2024-11-20 18:29:16,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-20 18:29:16,440 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 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 19 [2024-11-20 18:29:16,440 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:29:16,441 INFO L225 Difference]: With dead ends: 153 [2024-11-20 18:29:16,441 INFO L226 Difference]: Without dead ends: 146 [2024-11-20 18:29:16,442 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-20 18:29:16,442 INFO L432 NwaCegarLoop]: 76 mSDtfsCounter, 178 mSDsluCounter, 69 mSDsCounter, 0 mSdLazyCounter, 56 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 184 SdHoareTripleChecker+Valid, 145 SdHoareTripleChecker+Invalid, 69 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 56 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-20 18:29:16,442 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [184 Valid, 145 Invalid, 69 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 56 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-20 18:29:16,443 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146 states. [2024-11-20 18:29:16,456 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146 to 130. [2024-11-20 18:29:16,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 130 states, 82 states have (on average 1.646341463414634) internal successors, (135), 115 states have internal predecessors, (135), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-20 18:29:16,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 159 transitions. [2024-11-20 18:29:16,457 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 159 transitions. Word has length 19 [2024-11-20 18:29:16,457 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:29:16,457 INFO L471 AbstractCegarLoop]: Abstraction has 130 states and 159 transitions. [2024-11-20 18:29:16,457 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 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) [2024-11-20 18:29:16,457 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 159 transitions. [2024-11-20 18:29:16,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-20 18:29:16,458 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:29:16,458 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] [2024-11-20 18:29:16,465 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-20 18:29:16,662 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:29:16,663 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-20 18:29:16,663 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:29:16,663 INFO L85 PathProgramCache]: Analyzing trace with hash 1200878525, now seen corresponding path program 1 times [2024-11-20 18:29:16,663 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:29:16,663 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [505624766] [2024-11-20 18:29:16,663 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:29:16,663 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:29:16,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:29:16,769 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 18:29:16,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:29:16,774 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-20 18:29:16,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:29:16,783 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-20 18:29:16,784 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:29:16,784 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [505624766] [2024-11-20 18:29:16,784 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [505624766] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 18:29:16,784 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 18:29:16,784 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-20 18:29:16,784 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1470544778] [2024-11-20 18:29:16,784 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 18:29:16,785 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-20 18:29:16,786 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:29:16,786 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-20 18:29:16,787 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-20 18:29:16,787 INFO L87 Difference]: Start difference. First operand 130 states and 159 transitions. Second operand has 6 states, 5 states have (on average 4.0) internal successors, (20), 6 states have internal predecessors, (20), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-20 18:29:16,835 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:29:16,835 INFO L93 Difference]: Finished difference Result 179 states and 216 transitions. [2024-11-20 18:29:16,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-20 18:29:16,835 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 4.0) internal successors, (20), 6 states have internal predecessors, (20), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 27 [2024-11-20 18:29:16,836 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:29:16,836 INFO L225 Difference]: With dead ends: 179 [2024-11-20 18:29:16,837 INFO L226 Difference]: Without dead ends: 70 [2024-11-20 18:29:16,837 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2024-11-20 18:29:16,838 INFO L432 NwaCegarLoop]: 40 mSDtfsCounter, 71 mSDsluCounter, 81 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 71 SdHoareTripleChecker+Valid, 121 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-20 18:29:16,839 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [71 Valid, 121 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 18:29:16,839 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2024-11-20 18:29:16,843 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 66. [2024-11-20 18:29:16,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66 states, 44 states have (on average 1.3863636363636365) internal successors, (61), 59 states have internal predecessors, (61), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-20 18:29:16,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 69 transitions. [2024-11-20 18:29:16,843 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 69 transitions. Word has length 27 [2024-11-20 18:29:16,843 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:29:16,844 INFO L471 AbstractCegarLoop]: Abstraction has 66 states and 69 transitions. [2024-11-20 18:29:16,844 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 4.0) internal successors, (20), 6 states have internal predecessors, (20), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-20 18:29:16,844 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 69 transitions. [2024-11-20 18:29:16,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-20 18:29:16,844 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:29:16,844 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] [2024-11-20 18:29:16,844 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-20 18:29:16,844 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-20 18:29:16,845 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:29:16,845 INFO L85 PathProgramCache]: Analyzing trace with hash -1427471308, now seen corresponding path program 1 times [2024-11-20 18:29:16,845 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:29:16,845 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1219149865] [2024-11-20 18:29:16,845 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:29:16,845 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:29:16,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:29:16,892 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 18:29:16,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:29:16,900 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-20 18:29:16,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:29:16,905 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-20 18:29:16,906 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:29:16,906 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1219149865] [2024-11-20 18:29:16,906 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1219149865] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 18:29:16,906 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 18:29:16,906 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-20 18:29:16,906 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [288536339] [2024-11-20 18:29:16,906 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 18:29:16,906 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-20 18:29:16,906 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:29:16,907 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-20 18:29:16,907 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-20 18:29:16,907 INFO L87 Difference]: Start difference. First operand 66 states and 69 transitions. Second operand has 5 states, 4 states have (on average 5.25) internal successors, (21), 5 states have internal predecessors, (21), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-20 18:29:16,947 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:29:16,947 INFO L93 Difference]: Finished difference Result 74 states and 76 transitions. [2024-11-20 18:29:16,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-20 18:29:16,948 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 5.25) internal successors, (21), 5 states have internal predecessors, (21), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 28 [2024-11-20 18:29:16,948 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:29:16,948 INFO L225 Difference]: With dead ends: 74 [2024-11-20 18:29:16,949 INFO L226 Difference]: Without dead ends: 73 [2024-11-20 18:29:16,949 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-20 18:29:16,949 INFO L432 NwaCegarLoop]: 47 mSDtfsCounter, 29 mSDsluCounter, 102 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 149 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-20 18:29:16,949 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [29 Valid, 149 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 18:29:16,950 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2024-11-20 18:29:16,952 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 65. [2024-11-20 18:29:16,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65 states, 44 states have (on average 1.3636363636363635) internal successors, (60), 58 states have internal predecessors, (60), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-20 18:29:16,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 68 transitions. [2024-11-20 18:29:16,953 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 68 transitions. Word has length 28 [2024-11-20 18:29:16,953 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:29:16,953 INFO L471 AbstractCegarLoop]: Abstraction has 65 states and 68 transitions. [2024-11-20 18:29:16,953 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 5.25) internal successors, (21), 5 states have internal predecessors, (21), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-20 18:29:16,953 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 68 transitions. [2024-11-20 18:29:16,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-20 18:29:16,954 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:29:16,954 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] [2024-11-20 18:29:16,954 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-20 18:29:16,954 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-20 18:29:16,955 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:29:16,955 INFO L85 PathProgramCache]: Analyzing trace with hash -1705356828, now seen corresponding path program 1 times [2024-11-20 18:29:16,955 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:29:16,955 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1165996110] [2024-11-20 18:29:16,955 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:29:16,955 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:29:16,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:29:16,988 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 18:29:16,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:29:16,990 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-20 18:29:16,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:29:16,993 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-20 18:29:16,994 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:29:16,994 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1165996110] [2024-11-20 18:29:16,994 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1165996110] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 18:29:16,994 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 18:29:16,994 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 18:29:16,994 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1315352808] [2024-11-20 18:29:16,994 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 18:29:16,995 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 18:29:16,995 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:29:16,995 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 18:29:16,995 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 18:29:16,996 INFO L87 Difference]: Start difference. First operand 65 states and 68 transitions. Second operand has 3 states, 2 states have (on average 11.5) internal successors, (23), 3 states have internal predecessors, (23), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-20 18:29:17,008 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:29:17,009 INFO L93 Difference]: Finished difference Result 65 states and 68 transitions. [2024-11-20 18:29:17,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 18:29:17,010 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 11.5) internal successors, (23), 3 states have internal predecessors, (23), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 30 [2024-11-20 18:29:17,010 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:29:17,010 INFO L225 Difference]: With dead ends: 65 [2024-11-20 18:29:17,010 INFO L226 Difference]: Without dead ends: 64 [2024-11-20 18:29:17,010 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 18:29:17,012 INFO L432 NwaCegarLoop]: 46 mSDtfsCounter, 1 mSDsluCounter, 31 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 77 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-20 18:29:17,012 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 77 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 18:29:17,012 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2024-11-20 18:29:17,015 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 64. [2024-11-20 18:29:17,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 64 states, 44 states have (on average 1.3409090909090908) internal successors, (59), 57 states have internal predecessors, (59), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-20 18:29:17,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 67 transitions. [2024-11-20 18:29:17,016 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 67 transitions. Word has length 30 [2024-11-20 18:29:17,017 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:29:17,017 INFO L471 AbstractCegarLoop]: Abstraction has 64 states and 67 transitions. [2024-11-20 18:29:17,017 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 11.5) internal successors, (23), 3 states have internal predecessors, (23), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-20 18:29:17,017 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 67 transitions. [2024-11-20 18:29:17,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-20 18:29:17,019 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:29:17,019 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] [2024-11-20 18:29:17,019 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-20 18:29:17,019 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-20 18:29:17,019 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:29:17,020 INFO L85 PathProgramCache]: Analyzing trace with hash -1326453982, now seen corresponding path program 1 times [2024-11-20 18:29:17,020 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:29:17,020 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [897482613] [2024-11-20 18:29:17,020 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:29:17,020 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:29:17,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:29:17,086 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 18:29:17,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:29:17,090 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-20 18:29:17,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:29:17,093 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-20 18:29:17,093 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:29:17,093 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [897482613] [2024-11-20 18:29:17,093 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [897482613] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 18:29:17,093 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 18:29:17,093 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-20 18:29:17,094 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [870300976] [2024-11-20 18:29:17,094 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 18:29:17,094 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-20 18:29:17,094 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:29:17,094 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-20 18:29:17,095 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-20 18:29:17,095 INFO L87 Difference]: Start difference. First operand 64 states and 67 transitions. Second operand has 5 states, 4 states have (on average 6.0) internal successors, (24), 5 states have internal predecessors, (24), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-20 18:29:17,244 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:29:17,244 INFO L93 Difference]: Finished difference Result 75 states and 81 transitions. [2024-11-20 18:29:17,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-20 18:29:17,245 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 6.0) internal successors, (24), 5 states have internal predecessors, (24), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 31 [2024-11-20 18:29:17,245 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:29:17,245 INFO L225 Difference]: With dead ends: 75 [2024-11-20 18:29:17,245 INFO L226 Difference]: Without dead ends: 74 [2024-11-20 18:29:17,246 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-20 18:29:17,247 INFO L432 NwaCegarLoop]: 25 mSDtfsCounter, 55 mSDsluCounter, 48 mSDsCounter, 0 mSdLazyCounter, 110 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 57 SdHoareTripleChecker+Valid, 73 SdHoareTripleChecker+Invalid, 113 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 110 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-20 18:29:17,247 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [57 Valid, 73 Invalid, 113 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 110 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-20 18:29:17,247 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2024-11-20 18:29:17,251 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 70. [2024-11-20 18:29:17,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 70 states, 50 states have (on average 1.3) internal successors, (65), 63 states have internal predecessors, (65), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-20 18:29:17,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 73 transitions. [2024-11-20 18:29:17,252 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 73 transitions. Word has length 31 [2024-11-20 18:29:17,257 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:29:17,257 INFO L471 AbstractCegarLoop]: Abstraction has 70 states and 73 transitions. [2024-11-20 18:29:17,257 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 6.0) internal successors, (24), 5 states have internal predecessors, (24), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-20 18:29:17,257 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 73 transitions. [2024-11-20 18:29:17,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-20 18:29:17,258 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:29:17,258 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] [2024-11-20 18:29:17,258 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-20 18:29:17,258 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-20 18:29:17,258 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:29:17,258 INFO L85 PathProgramCache]: Analyzing trace with hash 1829599654, now seen corresponding path program 1 times [2024-11-20 18:29:17,259 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:29:17,259 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1886561676] [2024-11-20 18:29:17,259 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:29:17,259 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:29:17,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:29:17,304 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 18:29:17,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:29:17,308 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-20 18:29:17,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:29:17,312 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-20 18:29:17,312 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:29:17,312 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1886561676] [2024-11-20 18:29:17,312 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1886561676] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 18:29:17,312 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 18:29:17,312 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-20 18:29:17,312 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1298633318] [2024-11-20 18:29:17,312 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 18:29:17,312 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-20 18:29:17,313 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:29:17,313 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-20 18:29:17,313 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-20 18:29:17,313 INFO L87 Difference]: Start difference. First operand 70 states and 73 transitions. Second operand has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 4 states have internal predecessors, (25), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-20 18:29:17,378 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:29:17,378 INFO L93 Difference]: Finished difference Result 74 states and 77 transitions. [2024-11-20 18:29:17,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-20 18:29:17,378 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 4 states have internal predecessors, (25), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 32 [2024-11-20 18:29:17,378 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:29:17,379 INFO L225 Difference]: With dead ends: 74 [2024-11-20 18:29:17,379 INFO L226 Difference]: Without dead ends: 72 [2024-11-20 18:29:17,379 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 [2024-11-20 18:29:17,379 INFO L432 NwaCegarLoop]: 43 mSDtfsCounter, 2 mSDsluCounter, 32 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 75 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-20 18:29:17,380 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 75 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-20 18:29:17,380 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2024-11-20 18:29:17,384 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 72. [2024-11-20 18:29:17,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72 states, 52 states have (on average 1.2884615384615385) internal successors, (67), 65 states have internal predecessors, (67), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-20 18:29:17,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 75 transitions. [2024-11-20 18:29:17,384 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 75 transitions. Word has length 32 [2024-11-20 18:29:17,384 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:29:17,385 INFO L471 AbstractCegarLoop]: Abstraction has 72 states and 75 transitions. [2024-11-20 18:29:17,385 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 4 states have internal predecessors, (25), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-20 18:29:17,385 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 75 transitions. [2024-11-20 18:29:17,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-20 18:29:17,388 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:29:17,388 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 18:29:17,388 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-20 18:29:17,388 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-20 18:29:17,388 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:29:17,388 INFO L85 PathProgramCache]: Analyzing trace with hash -787768118, now seen corresponding path program 1 times [2024-11-20 18:29:17,388 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:29:17,388 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [998878157] [2024-11-20 18:29:17,388 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:29:17,389 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:29:17,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:29:17,464 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 18:29:17,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:29:17,467 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-20 18:29:17,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:29:17,469 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-20 18:29:17,470 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:29:17,470 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [998878157] [2024-11-20 18:29:17,470 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [998878157] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 18:29:17,470 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 18:29:17,470 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-20 18:29:17,470 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [794376162] [2024-11-20 18:29:17,470 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 18:29:17,471 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-20 18:29:17,471 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:29:17,471 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-20 18:29:17,471 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-20 18:29:17,471 INFO L87 Difference]: Start difference. First operand 72 states and 75 transitions. Second operand has 7 states, 6 states have (on average 4.833333333333333) internal successors, (29), 7 states have internal predecessors, (29), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-20 18:29:17,523 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:29:17,524 INFO L93 Difference]: Finished difference Result 80 states and 82 transitions. [2024-11-20 18:29:17,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-20 18:29:17,524 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 4.833333333333333) internal successors, (29), 7 states have internal predecessors, (29), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 36 [2024-11-20 18:29:17,525 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:29:17,525 INFO L225 Difference]: With dead ends: 80 [2024-11-20 18:29:17,525 INFO L226 Difference]: Without dead ends: 79 [2024-11-20 18:29:17,526 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2024-11-20 18:29:17,526 INFO L432 NwaCegarLoop]: 46 mSDtfsCounter, 60 mSDsluCounter, 144 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 60 SdHoareTripleChecker+Valid, 190 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-20 18:29:17,526 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [60 Valid, 190 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 18:29:17,527 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2024-11-20 18:29:17,530 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 71. [2024-11-20 18:29:17,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 71 states, 52 states have (on average 1.2692307692307692) internal successors, (66), 64 states have internal predecessors, (66), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-20 18:29:17,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 74 transitions. [2024-11-20 18:29:17,531 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 74 transitions. Word has length 36 [2024-11-20 18:29:17,531 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:29:17,531 INFO L471 AbstractCegarLoop]: Abstraction has 71 states and 74 transitions. [2024-11-20 18:29:17,531 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 4.833333333333333) internal successors, (29), 7 states have internal predecessors, (29), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-20 18:29:17,531 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 74 transitions. [2024-11-20 18:29:17,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-11-20 18:29:17,532 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:29:17,532 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 18:29:17,532 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-20 18:29:17,532 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-20 18:29:17,533 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:29:17,533 INFO L85 PathProgramCache]: Analyzing trace with hash -1130915578, now seen corresponding path program 1 times [2024-11-20 18:29:17,533 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:29:17,533 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [171391404] [2024-11-20 18:29:17,533 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:29:17,533 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:29:17,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-20 18:29:17,547 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [206919246] [2024-11-20 18:29:17,547 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:29:17,547 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:29:17,547 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 18:29:17,549 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) [2024-11-20 18:29:17,550 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-20 18:29:17,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:29:17,582 INFO L255 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-20 18:29:17,584 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 18:29:17,745 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-20 18:29:17,746 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-20 18:29:17,746 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:29:17,746 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [171391404] [2024-11-20 18:29:17,746 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-20 18:29:17,746 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [206919246] [2024-11-20 18:29:17,746 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [206919246] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 18:29:17,746 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 18:29:17,746 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-20 18:29:17,747 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1960244852] [2024-11-20 18:29:17,747 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 18:29:17,747 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-20 18:29:17,747 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:29:17,747 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-20 18:29:17,747 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2024-11-20 18:29:17,748 INFO L87 Difference]: Start difference. First operand 71 states and 74 transitions. Second operand has 7 states, 6 states have (on average 5.166666666666667) internal successors, (31), 7 states have internal predecessors, (31), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-20 18:29:17,826 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:29:17,827 INFO L93 Difference]: Finished difference Result 71 states and 74 transitions. [2024-11-20 18:29:17,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-20 18:29:17,827 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 5.166666666666667) internal successors, (31), 7 states have internal predecessors, (31), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 38 [2024-11-20 18:29:17,827 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:29:17,828 INFO L225 Difference]: With dead ends: 71 [2024-11-20 18:29:17,828 INFO L226 Difference]: Without dead ends: 67 [2024-11-20 18:29:17,828 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-20 18:29:17,828 INFO L432 NwaCegarLoop]: 36 mSDtfsCounter, 37 mSDsluCounter, 68 mSDsCounter, 0 mSdLazyCounter, 117 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 37 SdHoareTripleChecker+Valid, 104 SdHoareTripleChecker+Invalid, 125 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 117 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-20 18:29:17,828 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [37 Valid, 104 Invalid, 125 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 117 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-20 18:29:17,829 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2024-11-20 18:29:17,831 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 67. [2024-11-20 18:29:17,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67 states, 52 states have (on average 1.1923076923076923) internal successors, (62), 60 states have internal predecessors, (62), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-20 18:29:17,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 70 transitions. [2024-11-20 18:29:17,832 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 70 transitions. Word has length 38 [2024-11-20 18:29:17,832 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:29:17,832 INFO L471 AbstractCegarLoop]: Abstraction has 67 states and 70 transitions. [2024-11-20 18:29:17,832 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 5.166666666666667) internal successors, (31), 7 states have internal predecessors, (31), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-20 18:29:17,832 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 70 transitions. [2024-11-20 18:29:17,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-20 18:29:17,833 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:29:17,833 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 18:29:17,839 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-20 18:29:18,033 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,SelfDestructingSolverStorable13 [2024-11-20 18:29:18,033 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-20 18:29:18,034 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:29:18,034 INFO L85 PathProgramCache]: Analyzing trace with hash -698644405, now seen corresponding path program 1 times [2024-11-20 18:29:18,034 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:29:18,034 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1506851727] [2024-11-20 18:29:18,034 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:29:18,034 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:29:18,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-20 18:29:18,042 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [969554368] [2024-11-20 18:29:18,042 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:29:18,042 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:29:18,042 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 18:29:18,044 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) [2024-11-20 18:29:18,044 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-20 18:29:18,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:29:18,088 INFO L255 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-20 18:29:18,089 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 18:29:18,244 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-20 18:29:18,245 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-20 18:29:18,492 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:29:18,492 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1506851727] [2024-11-20 18:29:18,493 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-20 18:29:18,493 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [969554368] [2024-11-20 18:29:18,493 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [969554368] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 18:29:18,493 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-20 18:29:18,493 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2024-11-20 18:29:18,493 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [668554668] [2024-11-20 18:29:18,493 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-20 18:29:18,493 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-20 18:29:18,493 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:29:18,494 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-20 18:29:18,494 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2024-11-20 18:29:18,494 INFO L87 Difference]: Start difference. First operand 67 states and 70 transitions. Second operand has 7 states, 6 states have (on average 5.333333333333333) internal successors, (32), 7 states have internal predecessors, (32), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-20 18:29:18,571 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:29:18,571 INFO L93 Difference]: Finished difference Result 95 states and 107 transitions. [2024-11-20 18:29:18,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-20 18:29:18,572 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 5.333333333333333) internal successors, (32), 7 states have internal predecessors, (32), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 39 [2024-11-20 18:29:18,572 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:29:18,572 INFO L225 Difference]: With dead ends: 95 [2024-11-20 18:29:18,572 INFO L226 Difference]: Without dead ends: 93 [2024-11-20 18:29:18,572 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2024-11-20 18:29:18,573 INFO L432 NwaCegarLoop]: 22 mSDtfsCounter, 57 mSDsluCounter, 66 mSDsCounter, 0 mSdLazyCounter, 110 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 88 SdHoareTripleChecker+Invalid, 112 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 110 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-20 18:29:18,573 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [63 Valid, 88 Invalid, 112 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 110 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-20 18:29:18,573 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2024-11-20 18:29:18,577 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 82. [2024-11-20 18:29:18,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 82 states, 65 states have (on average 1.2307692307692308) internal successors, (80), 73 states have internal predecessors, (80), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-20 18:29:18,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 92 transitions. [2024-11-20 18:29:18,577 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 92 transitions. Word has length 39 [2024-11-20 18:29:18,578 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:29:18,578 INFO L471 AbstractCegarLoop]: Abstraction has 82 states and 92 transitions. [2024-11-20 18:29:18,578 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 5.333333333333333) internal successors, (32), 7 states have internal predecessors, (32), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-20 18:29:18,578 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 92 transitions. [2024-11-20 18:29:18,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-20 18:29:18,578 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:29:18,578 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 18:29:18,585 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-11-20 18:29:18,779 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2024-11-20 18:29:18,780 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-20 18:29:18,780 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:29:18,780 INFO L85 PathProgramCache]: Analyzing trace with hash -698645299, now seen corresponding path program 1 times [2024-11-20 18:29:18,780 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:29:18,780 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1006074466] [2024-11-20 18:29:18,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:29:18,780 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:29:18,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:29:18,817 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 18:29:18,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:29:18,819 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-20 18:29:18,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:29:18,820 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-20 18:29:18,820 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:29:18,820 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1006074466] [2024-11-20 18:29:18,820 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1006074466] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 18:29:18,820 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 18:29:18,821 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-20 18:29:18,821 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [82410854] [2024-11-20 18:29:18,821 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 18:29:18,821 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-20 18:29:18,821 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:29:18,821 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-20 18:29:18,822 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-20 18:29:18,822 INFO L87 Difference]: Start difference. First operand 82 states and 92 transitions. Second operand has 5 states, 5 states have (on average 6.4) internal successors, (32), 5 states have internal predecessors, (32), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-20 18:29:18,844 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:29:18,844 INFO L93 Difference]: Finished difference Result 88 states and 97 transitions. [2024-11-20 18:29:18,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-20 18:29:18,844 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.4) internal successors, (32), 5 states have internal predecessors, (32), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 39 [2024-11-20 18:29:18,844 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:29:18,845 INFO L225 Difference]: With dead ends: 88 [2024-11-20 18:29:18,845 INFO L226 Difference]: Without dead ends: 39 [2024-11-20 18:29:18,845 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-20 18:29:18,845 INFO L432 NwaCegarLoop]: 34 mSDtfsCounter, 8 mSDsluCounter, 76 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 110 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-20 18:29:18,846 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 110 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 18:29:18,846 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2024-11-20 18:29:18,848 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 39. [2024-11-20 18:29:18,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39 states, 34 states have (on average 1.0294117647058822) internal successors, (35), 35 states have internal predecessors, (35), 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) [2024-11-20 18:29:18,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 39 transitions. [2024-11-20 18:29:18,848 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 39 transitions. Word has length 39 [2024-11-20 18:29:18,848 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:29:18,849 INFO L471 AbstractCegarLoop]: Abstraction has 39 states and 39 transitions. [2024-11-20 18:29:18,849 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.4) internal successors, (32), 5 states have internal predecessors, (32), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-20 18:29:18,849 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 39 transitions. [2024-11-20 18:29:18,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-20 18:29:18,849 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:29:18,849 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 18:29:18,849 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-20 18:29:18,850 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-20 18:29:18,850 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:29:18,850 INFO L85 PathProgramCache]: Analyzing trace with hash -183139928, now seen corresponding path program 1 times [2024-11-20 18:29:18,850 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:29:18,850 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1526285696] [2024-11-20 18:29:18,850 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:29:18,850 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:29:18,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:29:18,884 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 18:29:18,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:29:18,886 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-20 18:29:18,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:29:18,888 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-20 18:29:18,888 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:29:18,888 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1526285696] [2024-11-20 18:29:18,888 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1526285696] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 18:29:18,888 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 18:29:18,888 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-20 18:29:18,888 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1756395371] [2024-11-20 18:29:18,888 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 18:29:18,889 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-20 18:29:18,889 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:29:18,889 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-20 18:29:18,889 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-20 18:29:18,889 INFO L87 Difference]: Start difference. First operand 39 states and 39 transitions. Second operand has 5 states, 4 states have (on average 8.25) internal successors, (33), 5 states have internal predecessors, (33), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-20 18:29:18,922 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:29:18,922 INFO L93 Difference]: Finished difference Result 39 states and 39 transitions. [2024-11-20 18:29:18,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-20 18:29:18,923 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 8.25) internal successors, (33), 5 states have internal predecessors, (33), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 40 [2024-11-20 18:29:18,923 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:29:18,923 INFO L225 Difference]: With dead ends: 39 [2024-11-20 18:29:18,923 INFO L226 Difference]: Without dead ends: 38 [2024-11-20 18:29:18,923 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-20 18:29:18,923 INFO L432 NwaCegarLoop]: 31 mSDtfsCounter, 11 mSDsluCounter, 59 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 90 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-20 18:29:18,924 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 90 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 18:29:18,924 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2024-11-20 18:29:18,926 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 38. [2024-11-20 18:29:18,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38 states, 34 states have (on average 1.0) internal successors, (34), 34 states have internal predecessors, (34), 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) [2024-11-20 18:29:18,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 38 transitions. [2024-11-20 18:29:18,926 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 38 transitions. Word has length 40 [2024-11-20 18:29:18,927 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:29:18,927 INFO L471 AbstractCegarLoop]: Abstraction has 38 states and 38 transitions. [2024-11-20 18:29:18,927 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 8.25) internal successors, (33), 5 states have internal predecessors, (33), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-20 18:29:18,927 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 38 transitions. [2024-11-20 18:29:18,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-11-20 18:29:18,927 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:29:18,927 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 18:29:18,927 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-20 18:29:18,927 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-20 18:29:18,928 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:29:18,928 INFO L85 PathProgramCache]: Analyzing trace with hash -1382370323, now seen corresponding path program 1 times [2024-11-20 18:29:18,928 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:29:18,928 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1781963891] [2024-11-20 18:29:18,928 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:29:18,928 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:29:18,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-20 18:29:18,936 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [254065258] [2024-11-20 18:29:18,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:29:18,936 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:29:18,936 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 18:29:18,938 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) [2024-11-20 18:29:18,939 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-20 18:29:18,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:29:18,969 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-20 18:29:18,970 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 18:29:19,104 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-20 18:29:19,104 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-20 18:29:19,190 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:29:19,190 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1781963891] [2024-11-20 18:29:19,190 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-20 18:29:19,190 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [254065258] [2024-11-20 18:29:19,190 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [254065258] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 18:29:19,190 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-20 18:29:19,190 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2024-11-20 18:29:19,190 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1573519356] [2024-11-20 18:29:19,191 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-20 18:29:19,191 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-20 18:29:19,191 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:29:19,191 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-20 18:29:19,191 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2024-11-20 18:29:19,192 INFO L87 Difference]: Start difference. First operand 38 states and 38 transitions. Second operand has 7 states, 6 states have (on average 5.666666666666667) internal successors, (34), 7 states have internal predecessors, (34), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-20 18:29:19,270 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:29:19,270 INFO L93 Difference]: Finished difference Result 38 states and 38 transitions. [2024-11-20 18:29:19,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-20 18:29:19,270 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 5.666666666666667) internal successors, (34), 7 states have internal predecessors, (34), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 41 [2024-11-20 18:29:19,270 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:29:19,271 INFO L225 Difference]: With dead ends: 38 [2024-11-20 18:29:19,271 INFO L226 Difference]: Without dead ends: 0 [2024-11-20 18:29:19,271 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=53, Invalid=157, Unknown=0, NotChecked=0, Total=210 [2024-11-20 18:29:19,272 INFO L432 NwaCegarLoop]: 24 mSDtfsCounter, 27 mSDsluCounter, 55 mSDsCounter, 0 mSdLazyCounter, 59 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 79 SdHoareTripleChecker+Invalid, 61 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 59 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-20 18:29:19,272 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [27 Valid, 79 Invalid, 61 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 59 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 18:29:19,272 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-20 18:29:19,272 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-20 18:29:19,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 18:29:19,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-20 18:29:19,273 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 41 [2024-11-20 18:29:19,273 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:29:19,273 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-20 18:29:19,273 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 5.666666666666667) internal successors, (34), 7 states have internal predecessors, (34), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-20 18:29:19,274 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-20 18:29:19,274 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-20 18:29:19,275 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (33 of 34 remaining) [2024-11-20 18:29:19,276 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (32 of 34 remaining) [2024-11-20 18:29:19,276 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (31 of 34 remaining) [2024-11-20 18:29:19,276 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (30 of 34 remaining) [2024-11-20 18:29:19,277 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (29 of 34 remaining) [2024-11-20 18:29:19,277 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (28 of 34 remaining) [2024-11-20 18:29:19,277 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (27 of 34 remaining) [2024-11-20 18:29:19,277 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (26 of 34 remaining) [2024-11-20 18:29:19,277 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (25 of 34 remaining) [2024-11-20 18:29:19,277 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (24 of 34 remaining) [2024-11-20 18:29:19,277 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (23 of 34 remaining) [2024-11-20 18:29:19,277 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (22 of 34 remaining) [2024-11-20 18:29:19,277 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW (21 of 34 remaining) [2024-11-20 18:29:19,277 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW (20 of 34 remaining) [2024-11-20 18:29:19,277 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 34 remaining) [2024-11-20 18:29:19,278 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 34 remaining) [2024-11-20 18:29:19,278 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 34 remaining) [2024-11-20 18:29:19,278 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 34 remaining) [2024-11-20 18:29:19,278 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 34 remaining) [2024-11-20 18:29:19,278 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 34 remaining) [2024-11-20 18:29:19,278 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 34 remaining) [2024-11-20 18:29:19,278 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 34 remaining) [2024-11-20 18:29:19,278 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 34 remaining) [2024-11-20 18:29:19,278 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 34 remaining) [2024-11-20 18:29:19,278 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 34 remaining) [2024-11-20 18:29:19,279 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 34 remaining) [2024-11-20 18:29:19,279 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 34 remaining) [2024-11-20 18:29:19,279 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 34 remaining) [2024-11-20 18:29:19,279 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 34 remaining) [2024-11-20 18:29:19,279 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 34 remaining) [2024-11-20 18:29:19,279 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 34 remaining) [2024-11-20 18:29:19,279 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 34 remaining) [2024-11-20 18:29:19,279 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 34 remaining) [2024-11-20 18:29:19,279 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 34 remaining) [2024-11-20 18:29:19,290 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-20 18:29:19,483 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:29:19,486 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 18:29:19,488 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-20 18:29:19,659 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-20 18:29:19,681 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 06:29:19 BoogieIcfgContainer [2024-11-20 18:29:19,682 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-20 18:29:19,682 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-20 18:29:19,682 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-20 18:29:19,682 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-20 18:29:19,683 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:29:14" (3/4) ... [2024-11-20 18:29:19,684 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-20 18:29:19,691 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2024-11-20 18:29:19,694 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2024-11-20 18:29:19,694 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-20 18:29:19,695 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-20 18:29:19,695 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-20 18:29:19,775 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-20 18:29:19,775 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-20 18:29:19,775 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-20 18:29:19,776 INFO L158 Benchmark]: Toolchain (without parser) took 5863.21ms. Allocated memory was 176.2MB in the beginning and 222.3MB in the end (delta: 46.1MB). Free memory was 124.4MB in the beginning and 143.9MB in the end (delta: -19.5MB). Peak memory consumption was 27.2MB. Max. memory is 16.1GB. [2024-11-20 18:29:19,776 INFO L158 Benchmark]: CDTParser took 0.69ms. Allocated memory is still 176.2MB. Free memory is still 137.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-20 18:29:19,776 INFO L158 Benchmark]: CACSL2BoogieTranslator took 201.05ms. Allocated memory is still 176.2MB. Free memory was 123.9MB in the beginning and 111.3MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-20 18:29:19,776 INFO L158 Benchmark]: Boogie Procedure Inliner took 23.63ms. Allocated memory is still 176.2MB. Free memory was 111.3MB in the beginning and 109.8MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-20 18:29:19,776 INFO L158 Benchmark]: Boogie Preprocessor took 31.96ms. Allocated memory is still 176.2MB. Free memory was 109.8MB in the beginning and 107.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-20 18:29:19,776 INFO L158 Benchmark]: RCFGBuilder took 355.77ms. Allocated memory is still 176.2MB. Free memory was 107.7MB in the beginning and 90.9MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-20 18:29:19,777 INFO L158 Benchmark]: TraceAbstraction took 5153.22ms. Allocated memory was 176.2MB in the beginning and 222.3MB in the end (delta: 46.1MB). Free memory was 90.3MB in the beginning and 150.2MB in the end (delta: -59.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-20 18:29:19,777 INFO L158 Benchmark]: Witness Printer took 93.21ms. Allocated memory is still 222.3MB. Free memory was 150.2MB in the beginning and 143.9MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-20 18:29:19,778 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.69ms. Allocated memory is still 176.2MB. Free memory is still 137.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 201.05ms. Allocated memory is still 176.2MB. Free memory was 123.9MB in the beginning and 111.3MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 23.63ms. Allocated memory is still 176.2MB. Free memory was 111.3MB in the beginning and 109.8MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 31.96ms. Allocated memory is still 176.2MB. Free memory was 109.8MB in the beginning and 107.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 355.77ms. Allocated memory is still 176.2MB. Free memory was 107.7MB in the beginning and 90.9MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 5153.22ms. Allocated memory was 176.2MB in the beginning and 222.3MB in the end (delta: 46.1MB). Free memory was 90.3MB in the beginning and 150.2MB in the end (delta: -59.9MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 93.21ms. Allocated memory is still 222.3MB. Free memory was 150.2MB in the beginning and 143.9MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 38]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 38]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 39]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 39]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 39]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 39]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 46]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 46]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 47]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 47]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 48]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 48]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 48]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 48]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 51]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 51]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 54]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 54]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 54]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 54]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 56]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 56]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 57]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 57]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 59]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 59]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 60]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 60]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 63]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 63]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 63]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 63]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 95 locations, 34 error locations. Started 1 CEGAR loops. OverallTime: 4.9s, OverallIterations: 18, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 857 SdHoareTripleChecker+Valid, 0.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 829 mSDsluCounter, 2386 SdHoareTripleChecker+Invalid, 0.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1390 mSDsCounter, 67 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 850 IncrementalHoareTripleChecker+Invalid, 917 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 67 mSolverCounterUnsat, 996 mSDtfsCounter, 850 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 301 GetRequests, 221 SyntacticMatches, 0 SemanticMatches, 80 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=133occurred in iteration=6, InterpolantAutomatonStates: 91, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 18 MinimizatonAttempts, 124 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.5s InterpolantComputationTime, 642 NumberOfCodeBlocks, 642 NumberOfCodeBlocksAsserted, 25 NumberOfCheckSat, 444 ConstructedInterpolants, 0 QuantifiedInterpolants, 1793 SizeOfPredicates, 7 NumberOfNonLiveVariables, 531 ConjunctsInSsa, 50 ConjunctsInUnsatCore, 18 InterpolantComputations, 16 PerfectInterpolantSequences, 61/69 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 34 specifications checked. All of them hold - InvariantResult [Line: 46]: Loop Invariant Derived loop invariant: (((((((((1 <= y) && (x <= 2147483647)) && (r <= 2147483647)) && (b == y)) && (a == 1)) && (0 <= (x + 2147483648))) && (q == 0)) && (b <= r)) && (counter == 1)) - InvariantResult [Line: 37]: Loop Invariant Derived loop invariant: (((((((((1 <= y) && (x <= 2147483647)) && (0 <= r)) && (0 <= (x + 2147483648))) && (q == 1)) && (1 <= a)) && (((__int128) r + y) <= 2147483647)) && (counter == 2)) || (((((((((1 <= y) && (x <= 2147483647)) && (r <= 2147483647)) && (0 <= (x + 2147483648))) && (q == 0)) && (counter == 0)) && (a == 0)) && (y <= 2147483647)) && (0 <= ((__int128) r + 2147483648)))) - ProcedureContractResult [Line: 14]: Procedure Contract for __VERIFIER_assert Derived contract for procedure __VERIFIER_assert. Ensures: (counter == \old(counter)) RESULT: Ultimate proved your program to be correct! [2024-11-20 18:29:19,797 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE