./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/xcsp/AllInterval-007.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 3061b6dc Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/xcsp/AllInterval-007.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 79ad480fc17f59cc4e46ec2dbc023b5da3460c72b3c8ca1cc6dbc35a93f8cf64 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-3061b6d-m [2024-11-19 11:15:39,723 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-19 11:15:39,794 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-19 11:15:39,801 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-19 11:15:39,802 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-19 11:15:39,828 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-19 11:15:39,830 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-19 11:15:39,830 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-19 11:15:39,831 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-19 11:15:39,832 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-19 11:15:39,833 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-19 11:15:39,833 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-19 11:15:39,834 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-19 11:15:39,834 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-19 11:15:39,836 INFO L153 SettingsManager]: * Use SBE=true [2024-11-19 11:15:39,836 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-19 11:15:39,836 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-19 11:15:39,837 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-19 11:15:39,837 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-19 11:15:39,837 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-19 11:15:39,837 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-19 11:15:39,841 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-19 11:15:39,841 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-19 11:15:39,842 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-19 11:15:39,842 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-19 11:15:39,842 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-19 11:15:39,843 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-19 11:15:39,843 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-19 11:15:39,843 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-19 11:15:39,843 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-19 11:15:39,844 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-19 11:15:39,844 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-19 11:15:39,844 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-19 11:15:39,844 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-19 11:15:39,845 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 11:15:39,845 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-19 11:15:39,845 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-19 11:15:39,846 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-19 11:15:39,846 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-19 11:15:39,846 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-19 11:15:39,847 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-19 11:15:39,847 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-19 11:15:39,847 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-19 11:15:39,847 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-19 11:15:39,848 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 79ad480fc17f59cc4e46ec2dbc023b5da3460c72b3c8ca1cc6dbc35a93f8cf64 [2024-11-19 11:15:40,095 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-19 11:15:40,117 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-19 11:15:40,121 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-19 11:15:40,122 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-19 11:15:40,122 INFO L274 PluginConnector]: CDTParser initialized [2024-11-19 11:15:40,123 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/xcsp/AllInterval-007.c [2024-11-19 11:15:41,540 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-19 11:15:41,713 INFO L384 CDTParser]: Found 1 translation units. [2024-11-19 11:15:41,713 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/xcsp/AllInterval-007.c [2024-11-19 11:15:41,726 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dab14d4e0/9cfb2baff1124a32aab99210841261e2/FLAG983c06cd0 [2024-11-19 11:15:41,740 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dab14d4e0/9cfb2baff1124a32aab99210841261e2 [2024-11-19 11:15:41,742 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-19 11:15:41,743 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-19 11:15:41,745 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-19 11:15:41,745 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-19 11:15:41,750 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-19 11:15:41,751 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 11:15:41" (1/1) ... [2024-11-19 11:15:41,753 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@535a7592 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:15:41, skipping insertion in model container [2024-11-19 11:15:41,754 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 11:15:41" (1/1) ... [2024-11-19 11:15:41,779 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-19 11:15:41,995 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 11:15:42,029 INFO L200 MainTranslator]: Completed pre-run [2024-11-19 11:15:42,072 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 11:15:42,096 INFO L204 MainTranslator]: Completed translation [2024-11-19 11:15:42,097 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:15:42 WrapperNode [2024-11-19 11:15:42,097 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-19 11:15:42,098 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-19 11:15:42,099 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-19 11:15:42,099 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-19 11:15:42,106 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:15:42" (1/1) ... [2024-11-19 11:15:42,117 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:15:42" (1/1) ... [2024-11-19 11:15:42,159 INFO L138 Inliner]: procedures = 13, calls = 76, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 211 [2024-11-19 11:15:42,163 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-19 11:15:42,163 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-19 11:15:42,163 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-19 11:15:42,164 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-19 11:15:42,174 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:15:42" (1/1) ... [2024-11-19 11:15:42,175 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:15:42" (1/1) ... [2024-11-19 11:15:42,178 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:15:42" (1/1) ... [2024-11-19 11:15:42,205 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]. [2024-11-19 11:15:42,205 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:15:42" (1/1) ... [2024-11-19 11:15:42,207 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:15:42" (1/1) ... [2024-11-19 11:15:42,215 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:15:42" (1/1) ... [2024-11-19 11:15:42,217 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:15:42" (1/1) ... [2024-11-19 11:15:42,222 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:15:42" (1/1) ... [2024-11-19 11:15:42,223 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:15:42" (1/1) ... [2024-11-19 11:15:42,225 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-19 11:15:42,230 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-19 11:15:42,230 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-19 11:15:42,230 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-19 11:15:42,231 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:15:42" (1/1) ... [2024-11-19 11:15:42,241 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 11:15:42,257 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 11:15:42,271 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) [2024-11-19 11:15:42,274 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 [2024-11-19 11:15:42,317 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-19 11:15:42,317 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-19 11:15:42,317 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-19 11:15:42,318 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-19 11:15:42,318 INFO L130 BoogieDeclarations]: Found specification of procedure assume [2024-11-19 11:15:42,318 INFO L138 BoogieDeclarations]: Found implementation of procedure assume [2024-11-19 11:15:42,387 INFO L238 CfgBuilder]: Building ICFG [2024-11-19 11:15:42,389 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-19 11:15:42,723 INFO L? ?]: Removed 60 outVars from TransFormulas that were not future-live. [2024-11-19 11:15:42,723 INFO L287 CfgBuilder]: Performing block encoding [2024-11-19 11:15:42,742 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-19 11:15:42,742 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-19 11:15:42,742 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 11:15:42 BoogieIcfgContainer [2024-11-19 11:15:42,743 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-19 11:15:42,745 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-19 11:15:42,745 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-19 11:15:42,748 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-19 11:15:42,748 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 11:15:41" (1/3) ... [2024-11-19 11:15:42,749 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@774a8495 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 11:15:42, skipping insertion in model container [2024-11-19 11:15:42,749 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:15:42" (2/3) ... [2024-11-19 11:15:42,750 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@774a8495 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 11:15:42, skipping insertion in model container [2024-11-19 11:15:42,750 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 11:15:42" (3/3) ... [2024-11-19 11:15:42,751 INFO L112 eAbstractionObserver]: Analyzing ICFG AllInterval-007.c [2024-11-19 11:15:42,764 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-19 11:15:42,764 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 24 error locations. [2024-11-19 11:15:42,822 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-19 11:15:42,827 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;@462ce1e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-19 11:15:42,828 INFO L334 AbstractCegarLoop]: Starting to check reachability of 24 error locations. [2024-11-19 11:15:42,831 INFO L276 IsEmpty]: Start isEmpty. Operand has 153 states, 59 states have (on average 1.5254237288135593) internal successors, (90), 83 states have internal predecessors, (90), 68 states have call successors, (68), 1 states have call predecessors, (68), 1 states have return successors, (68), 68 states have call predecessors, (68), 68 states have call successors, (68) [2024-11-19 11:15:42,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 328 [2024-11-19 11:15:42,848 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 11:15:42,849 INFO L215 NwaCegarLoop]: trace histogram [62, 62, 62, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 11:15:42,850 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-19 11:15:42,855 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 11:15:42,855 INFO L85 PathProgramCache]: Analyzing trace with hash 722285369, now seen corresponding path program 1 times [2024-11-19 11:15:42,864 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 11:15:42,864 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [29171372] [2024-11-19 11:15:42,864 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 11:15:42,865 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 11:15:42,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 11:15:43,274 INFO L134 CoverageAnalysis]: Checked inductivity of 7564 backedges. 0 proven. 122 refuted. 0 times theorem prover too weak. 7442 trivial. 0 not checked. [2024-11-19 11:15:43,275 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 11:15:43,276 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [29171372] [2024-11-19 11:15:43,276 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [29171372] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 11:15:43,277 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [479238017] [2024-11-19 11:15:43,277 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 11:15:43,277 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 11:15:43,277 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 11:15:43,279 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) [2024-11-19 11:15:43,281 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-19 11:15:43,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 11:15:43,557 INFO L255 TraceCheckSpWp]: Trace formula consists of 611 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-19 11:15:43,571 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 11:15:43,632 INFO L134 CoverageAnalysis]: Checked inductivity of 7564 backedges. 122 proven. 0 refuted. 0 times theorem prover too weak. 7442 trivial. 0 not checked. [2024-11-19 11:15:43,633 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 11:15:43,633 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [479238017] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 11:15:43,633 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-19 11:15:43,634 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-11-19 11:15:43,640 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [777380747] [2024-11-19 11:15:43,641 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 11:15:43,647 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-19 11:15:43,647 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 11:15:43,672 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-19 11:15:43,673 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-19 11:15:43,676 INFO L87 Difference]: Start difference. First operand has 153 states, 59 states have (on average 1.5254237288135593) internal successors, (90), 83 states have internal predecessors, (90), 68 states have call successors, (68), 1 states have call predecessors, (68), 1 states have return successors, (68), 68 states have call predecessors, (68), 68 states have call successors, (68) Second operand has 2 states, 2 states have (on average 11.0) internal successors, (22), 2 states have internal predecessors, (22), 2 states have call successors, (62), 2 states have call predecessors, (62), 1 states have return successors, (62), 1 states have call predecessors, (62), 2 states have call successors, (62) [2024-11-19 11:15:43,721 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 11:15:43,722 INFO L93 Difference]: Finished difference Result 299 states and 513 transitions. [2024-11-19 11:15:43,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-19 11:15:43,725 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 11.0) internal successors, (22), 2 states have internal predecessors, (22), 2 states have call successors, (62), 2 states have call predecessors, (62), 1 states have return successors, (62), 1 states have call predecessors, (62), 2 states have call successors, (62) Word has length 327 [2024-11-19 11:15:43,726 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 11:15:43,738 INFO L225 Difference]: With dead ends: 299 [2024-11-19 11:15:43,738 INFO L226 Difference]: Without dead ends: 146 [2024-11-19 11:15:43,744 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 328 GetRequests, 328 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-19 11:15:43,748 INFO L432 NwaCegarLoop]: 221 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, 221 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 [2024-11-19 11:15:43,749 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 221 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 11:15:43,763 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146 states. [2024-11-19 11:15:43,805 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146 to 146. [2024-11-19 11:15:43,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 146 states, 54 states have (on average 1.5185185185185186) internal successors, (82), 77 states have internal predecessors, (82), 67 states have call successors, (67), 1 states have call predecessors, (67), 1 states have return successors, (67), 67 states have call predecessors, (67), 67 states have call successors, (67) [2024-11-19 11:15:43,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 216 transitions. [2024-11-19 11:15:43,813 INFO L78 Accepts]: Start accepts. Automaton has 146 states and 216 transitions. Word has length 327 [2024-11-19 11:15:43,813 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 11:15:43,813 INFO L471 AbstractCegarLoop]: Abstraction has 146 states and 216 transitions. [2024-11-19 11:15:43,814 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 11.0) internal successors, (22), 2 states have internal predecessors, (22), 2 states have call successors, (62), 2 states have call predecessors, (62), 1 states have return successors, (62), 1 states have call predecessors, (62), 2 states have call successors, (62) [2024-11-19 11:15:43,814 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 216 transitions. [2024-11-19 11:15:43,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 328 [2024-11-19 11:15:43,823 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 11:15:43,823 INFO L215 NwaCegarLoop]: trace histogram [62, 62, 62, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 11:15:43,842 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-19 11:15:44,024 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-19 11:15:44,025 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-19 11:15:44,025 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 11:15:44,025 INFO L85 PathProgramCache]: Analyzing trace with hash 248897657, now seen corresponding path program 1 times [2024-11-19 11:15:44,026 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 11:15:44,026 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [567791711] [2024-11-19 11:15:44,026 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 11:15:44,026 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 11:15:44,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 11:15:44,841 INFO L134 CoverageAnalysis]: Checked inductivity of 7564 backedges. 6 proven. 354 refuted. 0 times theorem prover too weak. 7204 trivial. 0 not checked. [2024-11-19 11:15:44,842 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 11:15:44,845 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [567791711] [2024-11-19 11:15:44,846 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [567791711] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 11:15:44,846 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [758460805] [2024-11-19 11:15:44,846 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 11:15:44,847 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 11:15:44,847 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 11:15:44,849 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) [2024-11-19 11:15:44,851 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-19 11:15:45,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 11:15:45,024 INFO L255 TraceCheckSpWp]: Trace formula consists of 611 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-19 11:15:45,038 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 11:15:45,530 INFO L134 CoverageAnalysis]: Checked inductivity of 7564 backedges. 0 proven. 183 refuted. 0 times theorem prover too weak. 7381 trivial. 0 not checked. [2024-11-19 11:15:45,531 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 11:15:46,021 INFO L134 CoverageAnalysis]: Checked inductivity of 7564 backedges. 0 proven. 183 refuted. 0 times theorem prover too weak. 7381 trivial. 0 not checked. [2024-11-19 11:15:46,022 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [758460805] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 11:15:46,022 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 11:15:46,022 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 9 [2024-11-19 11:15:46,022 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2074973264] [2024-11-19 11:15:46,023 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 11:15:46,025 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-19 11:15:46,025 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 11:15:46,027 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-19 11:15:46,027 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2024-11-19 11:15:46,028 INFO L87 Difference]: Start difference. First operand 146 states and 216 transitions. Second operand has 10 states, 9 states have (on average 6.111111111111111) internal successors, (55), 9 states have internal predecessors, (55), 6 states have call successors, (183), 1 states have call predecessors, (183), 2 states have return successors, (184), 5 states have call predecessors, (184), 6 states have call successors, (184) [2024-11-19 11:15:46,573 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 11:15:46,573 INFO L93 Difference]: Finished difference Result 146 states and 216 transitions. [2024-11-19 11:15:46,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-19 11:15:46,574 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 6.111111111111111) internal successors, (55), 9 states have internal predecessors, (55), 6 states have call successors, (183), 1 states have call predecessors, (183), 2 states have return successors, (184), 5 states have call predecessors, (184), 6 states have call successors, (184) Word has length 327 [2024-11-19 11:15:46,576 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 11:15:46,581 INFO L225 Difference]: With dead ends: 146 [2024-11-19 11:15:46,582 INFO L226 Difference]: Without dead ends: 145 [2024-11-19 11:15:46,582 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 660 GetRequests, 651 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2024-11-19 11:15:46,584 INFO L432 NwaCegarLoop]: 144 mSDtfsCounter, 2 mSDsluCounter, 734 mSDsCounter, 0 mSdLazyCounter, 534 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 878 SdHoareTripleChecker+Invalid, 534 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 534 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-19 11:15:46,585 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 878 Invalid, 534 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 534 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-19 11:15:46,586 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145 states. [2024-11-19 11:15:46,605 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145 to 145. [2024-11-19 11:15:46,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 145 states, 54 states have (on average 1.5) internal successors, (81), 76 states have internal predecessors, (81), 67 states have call successors, (67), 1 states have call predecessors, (67), 1 states have return successors, (67), 67 states have call predecessors, (67), 67 states have call successors, (67) [2024-11-19 11:15:46,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 145 states and 215 transitions. [2024-11-19 11:15:46,608 INFO L78 Accepts]: Start accepts. Automaton has 145 states and 215 transitions. Word has length 327 [2024-11-19 11:15:46,610 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 11:15:46,610 INFO L471 AbstractCegarLoop]: Abstraction has 145 states and 215 transitions. [2024-11-19 11:15:46,611 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 6.111111111111111) internal successors, (55), 9 states have internal predecessors, (55), 6 states have call successors, (183), 1 states have call predecessors, (183), 2 states have return successors, (184), 5 states have call predecessors, (184), 6 states have call successors, (184) [2024-11-19 11:15:46,611 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 215 transitions. [2024-11-19 11:15:46,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 329 [2024-11-19 11:15:46,614 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 11:15:46,614 INFO L215 NwaCegarLoop]: trace histogram [62, 62, 62, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 11:15:46,633 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-19 11:15:46,814 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2024-11-19 11:15:46,815 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-19 11:15:46,816 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 11:15:46,816 INFO L85 PathProgramCache]: Analyzing trace with hash -874107113, now seen corresponding path program 1 times [2024-11-19 11:15:46,816 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 11:15:46,816 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1104102861] [2024-11-19 11:15:46,817 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 11:15:46,817 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 11:15:46,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 11:15:47,172 INFO L134 CoverageAnalysis]: Checked inductivity of 7564 backedges. 6 proven. 177 refuted. 0 times theorem prover too weak. 7381 trivial. 0 not checked. [2024-11-19 11:15:47,172 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 11:15:47,172 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1104102861] [2024-11-19 11:15:47,172 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1104102861] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 11:15:47,173 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1873165145] [2024-11-19 11:15:47,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 11:15:47,173 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 11:15:47,173 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 11:15:47,175 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) [2024-11-19 11:15:47,176 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-19 11:15:47,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 11:15:47,327 INFO L255 TraceCheckSpWp]: Trace formula consists of 612 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-19 11:15:47,345 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 11:15:47,650 INFO L134 CoverageAnalysis]: Checked inductivity of 7564 backedges. 6 proven. 177 refuted. 0 times theorem prover too weak. 7381 trivial. 0 not checked. [2024-11-19 11:15:47,650 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 11:15:48,000 INFO L134 CoverageAnalysis]: Checked inductivity of 7564 backedges. 6 proven. 177 refuted. 0 times theorem prover too weak. 7381 trivial. 0 not checked. [2024-11-19 11:15:48,000 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1873165145] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 11:15:48,000 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 11:15:48,000 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 9 [2024-11-19 11:15:48,001 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1779489904] [2024-11-19 11:15:48,001 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 11:15:48,002 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-19 11:15:48,002 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 11:15:48,003 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-19 11:15:48,003 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2024-11-19 11:15:48,004 INFO L87 Difference]: Start difference. First operand 145 states and 215 transitions. Second operand has 10 states, 8 states have (on average 7.125) internal successors, (57), 10 states have internal predecessors, (57), 5 states have call successors, (181), 1 states have call predecessors, (181), 2 states have return successors, (182), 4 states have call predecessors, (182), 5 states have call successors, (182) [2024-11-19 11:15:48,441 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 11:15:48,441 INFO L93 Difference]: Finished difference Result 145 states and 215 transitions. [2024-11-19 11:15:48,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-19 11:15:48,442 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 8 states have (on average 7.125) internal successors, (57), 10 states have internal predecessors, (57), 5 states have call successors, (181), 1 states have call predecessors, (181), 2 states have return successors, (182), 4 states have call predecessors, (182), 5 states have call successors, (182) Word has length 328 [2024-11-19 11:15:48,444 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 11:15:48,446 INFO L225 Difference]: With dead ends: 145 [2024-11-19 11:15:48,446 INFO L226 Difference]: Without dead ends: 144 [2024-11-19 11:15:48,448 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 660 GetRequests, 651 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2024-11-19 11:15:48,450 INFO L432 NwaCegarLoop]: 144 mSDtfsCounter, 0 mSDsluCounter, 730 mSDsCounter, 0 mSdLazyCounter, 528 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 874 SdHoareTripleChecker+Invalid, 528 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 528 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-19 11:15:48,451 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 874 Invalid, 528 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 528 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-19 11:15:48,451 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 144 states. [2024-11-19 11:15:48,493 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 144 to 144. [2024-11-19 11:15:48,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 144 states, 54 states have (on average 1.4814814814814814) internal successors, (80), 75 states have internal predecessors, (80), 67 states have call successors, (67), 1 states have call predecessors, (67), 1 states have return successors, (67), 67 states have call predecessors, (67), 67 states have call successors, (67) [2024-11-19 11:15:48,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 214 transitions. [2024-11-19 11:15:48,495 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 214 transitions. Word has length 328 [2024-11-19 11:15:48,496 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 11:15:48,496 INFO L471 AbstractCegarLoop]: Abstraction has 144 states and 214 transitions. [2024-11-19 11:15:48,497 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 8 states have (on average 7.125) internal successors, (57), 10 states have internal predecessors, (57), 5 states have call successors, (181), 1 states have call predecessors, (181), 2 states have return successors, (182), 4 states have call predecessors, (182), 5 states have call successors, (182) [2024-11-19 11:15:48,497 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 214 transitions. [2024-11-19 11:15:48,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 331 [2024-11-19 11:15:48,500 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 11:15:48,501 INFO L215 NwaCegarLoop]: trace histogram [62, 62, 62, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 11:15:48,520 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-19 11:15:48,701 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 11:15:48,702 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-19 11:15:48,703 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 11:15:48,703 INFO L85 PathProgramCache]: Analyzing trace with hash 1796658169, now seen corresponding path program 1 times [2024-11-19 11:15:48,703 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 11:15:48,703 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [224466012] [2024-11-19 11:15:48,703 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 11:15:48,704 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 11:15:48,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 11:15:48,818 INFO L134 CoverageAnalysis]: Checked inductivity of 7564 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7564 trivial. 0 not checked. [2024-11-19 11:15:48,819 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 11:15:48,819 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [224466012] [2024-11-19 11:15:48,819 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [224466012] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 11:15:48,819 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 11:15:48,820 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 11:15:48,820 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1258839085] [2024-11-19 11:15:48,820 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 11:15:48,821 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 11:15:48,821 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 11:15:48,822 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 11:15:48,822 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 11:15:48,822 INFO L87 Difference]: Start difference. First operand 144 states and 214 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, (62), 1 states have call predecessors, (62), 1 states have return successors, (62), 1 states have call predecessors, (62), 1 states have call successors, (62) [2024-11-19 11:15:48,879 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 11:15:48,879 INFO L93 Difference]: Finished difference Result 144 states and 214 transitions. [2024-11-19 11:15:48,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 11:15:48,880 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, (62), 1 states have call predecessors, (62), 1 states have return successors, (62), 1 states have call predecessors, (62), 1 states have call successors, (62) Word has length 330 [2024-11-19 11:15:48,881 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 11:15:48,883 INFO L225 Difference]: With dead ends: 144 [2024-11-19 11:15:48,883 INFO L226 Difference]: Without dead ends: 138 [2024-11-19 11:15:48,883 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 11:15:48,884 INFO L432 NwaCegarLoop]: 191 mSDtfsCounter, 6 mSDsluCounter, 167 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 358 SdHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 11:15:48,885 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 358 Invalid, 56 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 11:15:48,885 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138 states. [2024-11-19 11:15:48,900 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 138. [2024-11-19 11:15:48,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 138 states, 54 states have (on average 1.3703703703703705) internal successors, (74), 69 states have internal predecessors, (74), 67 states have call successors, (67), 1 states have call predecessors, (67), 1 states have return successors, (67), 67 states have call predecessors, (67), 67 states have call successors, (67) [2024-11-19 11:15:48,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 208 transitions. [2024-11-19 11:15:48,903 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 208 transitions. Word has length 330 [2024-11-19 11:15:48,904 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 11:15:48,904 INFO L471 AbstractCegarLoop]: Abstraction has 138 states and 208 transitions. [2024-11-19 11:15:48,904 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, (62), 1 states have call predecessors, (62), 1 states have return successors, (62), 1 states have call predecessors, (62), 1 states have call successors, (62) [2024-11-19 11:15:48,904 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 208 transitions. [2024-11-19 11:15:48,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 332 [2024-11-19 11:15:48,907 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 11:15:48,907 INFO L215 NwaCegarLoop]: trace histogram [62, 62, 62, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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] [2024-11-19 11:15:48,907 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-19 11:15:48,907 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-19 11:15:48,908 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 11:15:48,908 INFO L85 PathProgramCache]: Analyzing trace with hash -138171488, now seen corresponding path program 1 times [2024-11-19 11:15:48,908 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 11:15:48,908 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [921473867] [2024-11-19 11:15:48,908 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 11:15:48,909 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 11:15:48,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 11:15:49,266 INFO L134 CoverageAnalysis]: Checked inductivity of 7564 backedges. 6 proven. 354 refuted. 0 times theorem prover too weak. 7204 trivial. 0 not checked. [2024-11-19 11:15:49,266 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 11:15:49,267 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [921473867] [2024-11-19 11:15:49,267 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [921473867] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 11:15:49,267 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1500201871] [2024-11-19 11:15:49,267 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 11:15:49,267 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 11:15:49,268 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 11:15:49,269 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) [2024-11-19 11:15:49,271 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-19 11:15:49,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 11:15:49,402 INFO L255 TraceCheckSpWp]: Trace formula consists of 617 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-19 11:15:49,407 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 11:15:49,721 INFO L134 CoverageAnalysis]: Checked inductivity of 7564 backedges. 0 proven. 183 refuted. 0 times theorem prover too weak. 7381 trivial. 0 not checked. [2024-11-19 11:15:49,721 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 11:15:50,067 INFO L134 CoverageAnalysis]: Checked inductivity of 7564 backedges. 0 proven. 183 refuted. 0 times theorem prover too weak. 7381 trivial. 0 not checked. [2024-11-19 11:15:50,067 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1500201871] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 11:15:50,068 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 11:15:50,068 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 10 [2024-11-19 11:15:50,068 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1962787654] [2024-11-19 11:15:50,068 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 11:15:50,069 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-19 11:15:50,070 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 11:15:50,071 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-19 11:15:50,071 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2024-11-19 11:15:50,072 INFO L87 Difference]: Start difference. First operand 138 states and 208 transitions. Second operand has 11 states, 10 states have (on average 6.4) internal successors, (64), 11 states have internal predecessors, (64), 5 states have call successors, (182), 1 states have call predecessors, (182), 2 states have return successors, (182), 4 states have call predecessors, (182), 5 states have call successors, (182) [2024-11-19 11:15:50,479 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 11:15:50,479 INFO L93 Difference]: Finished difference Result 138 states and 208 transitions. [2024-11-19 11:15:50,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-19 11:15:50,481 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 6.4) internal successors, (64), 11 states have internal predecessors, (64), 5 states have call successors, (182), 1 states have call predecessors, (182), 2 states have return successors, (182), 4 states have call predecessors, (182), 5 states have call successors, (182) Word has length 331 [2024-11-19 11:15:50,482 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 11:15:50,483 INFO L225 Difference]: With dead ends: 138 [2024-11-19 11:15:50,483 INFO L226 Difference]: Without dead ends: 137 [2024-11-19 11:15:50,483 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 669 GetRequests, 658 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2024-11-19 11:15:50,485 INFO L432 NwaCegarLoop]: 133 mSDtfsCounter, 0 mSDsluCounter, 721 mSDsCounter, 0 mSdLazyCounter, 496 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 854 SdHoareTripleChecker+Invalid, 496 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 496 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-19 11:15:50,486 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 854 Invalid, 496 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 496 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-19 11:15:50,487 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2024-11-19 11:15:50,507 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 137. [2024-11-19 11:15:50,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 137 states, 54 states have (on average 1.3518518518518519) internal successors, (73), 68 states have internal predecessors, (73), 67 states have call successors, (67), 1 states have call predecessors, (67), 1 states have return successors, (67), 67 states have call predecessors, (67), 67 states have call successors, (67) [2024-11-19 11:15:50,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 207 transitions. [2024-11-19 11:15:50,513 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 207 transitions. Word has length 331 [2024-11-19 11:15:50,514 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 11:15:50,514 INFO L471 AbstractCegarLoop]: Abstraction has 137 states and 207 transitions. [2024-11-19 11:15:50,514 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 6.4) internal successors, (64), 11 states have internal predecessors, (64), 5 states have call successors, (182), 1 states have call predecessors, (182), 2 states have return successors, (182), 4 states have call predecessors, (182), 5 states have call successors, (182) [2024-11-19 11:15:50,514 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 207 transitions. [2024-11-19 11:15:50,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 337 [2024-11-19 11:15:50,517 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 11:15:50,517 INFO L215 NwaCegarLoop]: trace histogram [63, 63, 63, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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] [2024-11-19 11:15:50,535 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-19 11:15:50,718 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 11:15:50,719 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-19 11:15:50,719 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 11:15:50,719 INFO L85 PathProgramCache]: Analyzing trace with hash -763104893, now seen corresponding path program 1 times [2024-11-19 11:15:50,719 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 11:15:50,720 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [167538987] [2024-11-19 11:15:50,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 11:15:50,720 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 11:15:50,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 11:15:50,993 INFO L134 CoverageAnalysis]: Checked inductivity of 7812 backedges. 6 proven. 180 refuted. 0 times theorem prover too weak. 7626 trivial. 0 not checked. [2024-11-19 11:15:50,993 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 11:15:50,993 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [167538987] [2024-11-19 11:15:50,994 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [167538987] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 11:15:50,994 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [37912767] [2024-11-19 11:15:50,994 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 11:15:50,994 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 11:15:50,994 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 11:15:50,996 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) [2024-11-19 11:15:50,998 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-19 11:15:51,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 11:15:51,139 INFO L255 TraceCheckSpWp]: Trace formula consists of 629 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-19 11:15:51,145 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 11:15:51,563 INFO L134 CoverageAnalysis]: Checked inductivity of 7812 backedges. 228 proven. 480 refuted. 0 times theorem prover too weak. 7104 trivial. 0 not checked. [2024-11-19 11:15:51,564 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 11:15:52,071 INFO L134 CoverageAnalysis]: Checked inductivity of 7812 backedges. 228 proven. 480 refuted. 0 times theorem prover too weak. 7104 trivial. 0 not checked. [2024-11-19 11:15:52,072 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [37912767] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 11:15:52,072 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 11:15:52,072 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 9, 10] total 19 [2024-11-19 11:15:52,072 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2069527640] [2024-11-19 11:15:52,072 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 11:15:52,073 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2024-11-19 11:15:52,073 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 11:15:52,074 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2024-11-19 11:15:52,075 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=316, Unknown=0, NotChecked=0, Total=380 [2024-11-19 11:15:52,075 INFO L87 Difference]: Start difference. First operand 137 states and 207 transitions. Second operand has 20 states, 18 states have (on average 3.7222222222222223) internal successors, (67), 17 states have internal predecessors, (67), 11 states have call successors, (187), 1 states have call predecessors, (187), 2 states have return successors, (189), 11 states have call predecessors, (189), 11 states have call successors, (189) [2024-11-19 11:15:52,836 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 11:15:52,836 INFO L93 Difference]: Finished difference Result 141 states and 214 transitions. [2024-11-19 11:15:52,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-19 11:15:52,837 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 18 states have (on average 3.7222222222222223) internal successors, (67), 17 states have internal predecessors, (67), 11 states have call successors, (187), 1 states have call predecessors, (187), 2 states have return successors, (189), 11 states have call predecessors, (189), 11 states have call successors, (189) Word has length 336 [2024-11-19 11:15:52,838 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 11:15:52,840 INFO L225 Difference]: With dead ends: 141 [2024-11-19 11:15:52,840 INFO L226 Difference]: Without dead ends: 140 [2024-11-19 11:15:52,840 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 682 GetRequests, 657 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 88 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=146, Invalid=556, Unknown=0, NotChecked=0, Total=702 [2024-11-19 11:15:52,844 INFO L432 NwaCegarLoop]: 128 mSDtfsCounter, 34 mSDsluCounter, 1222 mSDsCounter, 0 mSdLazyCounter, 950 mSolverCounterSat, 60 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 1350 SdHoareTripleChecker+Invalid, 1010 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 60 IncrementalHoareTripleChecker+Valid, 950 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-19 11:15:52,844 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [34 Valid, 1350 Invalid, 1010 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [60 Valid, 950 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-19 11:15:52,845 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2024-11-19 11:15:52,877 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 136. [2024-11-19 11:15:52,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 136 states, 54 states have (on average 1.3333333333333333) internal successors, (72), 67 states have internal predecessors, (72), 67 states have call successors, (67), 1 states have call predecessors, (67), 1 states have return successors, (67), 67 states have call predecessors, (67), 67 states have call successors, (67) [2024-11-19 11:15:52,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 206 transitions. [2024-11-19 11:15:52,880 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 206 transitions. Word has length 336 [2024-11-19 11:15:52,880 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 11:15:52,880 INFO L471 AbstractCegarLoop]: Abstraction has 136 states and 206 transitions. [2024-11-19 11:15:52,881 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 18 states have (on average 3.7222222222222223) internal successors, (67), 17 states have internal predecessors, (67), 11 states have call successors, (187), 1 states have call predecessors, (187), 2 states have return successors, (189), 11 states have call predecessors, (189), 11 states have call successors, (189) [2024-11-19 11:15:52,881 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 206 transitions. [2024-11-19 11:15:52,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 338 [2024-11-19 11:15:52,883 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 11:15:52,884 INFO L215 NwaCegarLoop]: trace histogram [63, 63, 63, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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] [2024-11-19 11:15:52,903 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-19 11:15:53,084 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 11:15:53,085 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-19 11:15:53,085 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 11:15:53,085 INFO L85 PathProgramCache]: Analyzing trace with hash 2113552221, now seen corresponding path program 1 times [2024-11-19 11:15:53,086 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 11:15:53,086 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [825104162] [2024-11-19 11:15:53,086 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 11:15:53,086 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 11:15:53,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 11:15:53,330 INFO L134 CoverageAnalysis]: Checked inductivity of 7812 backedges. 12 proven. 174 refuted. 0 times theorem prover too weak. 7626 trivial. 0 not checked. [2024-11-19 11:15:53,330 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 11:15:53,331 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [825104162] [2024-11-19 11:15:53,331 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [825104162] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 11:15:53,331 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [655042999] [2024-11-19 11:15:53,331 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 11:15:53,331 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 11:15:53,331 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 11:15:53,333 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) [2024-11-19 11:15:53,335 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-19 11:15:53,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 11:15:53,468 INFO L255 TraceCheckSpWp]: Trace formula consists of 630 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-19 11:15:53,476 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 11:15:53,762 INFO L134 CoverageAnalysis]: Checked inductivity of 7812 backedges. 12 proven. 174 refuted. 0 times theorem prover too weak. 7626 trivial. 0 not checked. [2024-11-19 11:15:53,763 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 11:15:54,116 INFO L134 CoverageAnalysis]: Checked inductivity of 7812 backedges. 12 proven. 174 refuted. 0 times theorem prover too weak. 7626 trivial. 0 not checked. [2024-11-19 11:15:54,116 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [655042999] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 11:15:54,117 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 11:15:54,117 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 7 [2024-11-19 11:15:54,117 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [265745637] [2024-11-19 11:15:54,117 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 11:15:54,118 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-19 11:15:54,118 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 11:15:54,119 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-19 11:15:54,119 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-11-19 11:15:54,119 INFO L87 Difference]: Start difference. First operand 136 states and 206 transitions. Second operand has 8 states, 7 states have (on average 6.857142857142857) internal successors, (48), 8 states have internal predecessors, (48), 4 states have call successors, (121), 1 states have call predecessors, (121), 2 states have return successors, (122), 4 states have call predecessors, (122), 4 states have call successors, (122) [2024-11-19 11:15:54,364 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 11:15:54,364 INFO L93 Difference]: Finished difference Result 136 states and 206 transitions. [2024-11-19 11:15:54,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-19 11:15:54,365 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 6.857142857142857) internal successors, (48), 8 states have internal predecessors, (48), 4 states have call successors, (121), 1 states have call predecessors, (121), 2 states have return successors, (122), 4 states have call predecessors, (122), 4 states have call successors, (122) Word has length 337 [2024-11-19 11:15:54,366 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 11:15:54,367 INFO L225 Difference]: With dead ends: 136 [2024-11-19 11:15:54,368 INFO L226 Difference]: Without dead ends: 135 [2024-11-19 11:15:54,368 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 677 GetRequests, 670 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-11-19 11:15:54,369 INFO L432 NwaCegarLoop]: 133 mSDtfsCounter, 9 mSDsluCounter, 287 mSDsCounter, 0 mSdLazyCounter, 238 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 420 SdHoareTripleChecker+Invalid, 238 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 238 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-19 11:15:54,369 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 420 Invalid, 238 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 238 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-19 11:15:54,370 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 135 states. [2024-11-19 11:15:54,385 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 135 to 135. [2024-11-19 11:15:54,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 135 states, 54 states have (on average 1.3148148148148149) internal successors, (71), 66 states have internal predecessors, (71), 67 states have call successors, (67), 1 states have call predecessors, (67), 1 states have return successors, (67), 67 states have call predecessors, (67), 67 states have call successors, (67) [2024-11-19 11:15:54,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 205 transitions. [2024-11-19 11:15:54,388 INFO L78 Accepts]: Start accepts. Automaton has 135 states and 205 transitions. Word has length 337 [2024-11-19 11:15:54,388 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 11:15:54,389 INFO L471 AbstractCegarLoop]: Abstraction has 135 states and 205 transitions. [2024-11-19 11:15:54,389 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 6.857142857142857) internal successors, (48), 8 states have internal predecessors, (48), 4 states have call successors, (121), 1 states have call predecessors, (121), 2 states have return successors, (122), 4 states have call predecessors, (122), 4 states have call successors, (122) [2024-11-19 11:15:54,389 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 205 transitions. [2024-11-19 11:15:54,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 341 [2024-11-19 11:15:54,391 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 11:15:54,391 INFO L215 NwaCegarLoop]: trace histogram [63, 63, 63, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 11:15:54,411 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-19 11:15:54,594 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 11:15:54,595 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-19 11:15:54,596 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 11:15:54,596 INFO L85 PathProgramCache]: Analyzing trace with hash 613788586, now seen corresponding path program 1 times [2024-11-19 11:15:54,596 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 11:15:54,596 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2065305421] [2024-11-19 11:15:54,596 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 11:15:54,597 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 11:15:54,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 11:15:54,934 INFO L134 CoverageAnalysis]: Checked inductivity of 7812 backedges. 18 proven. 348 refuted. 0 times theorem prover too weak. 7446 trivial. 0 not checked. [2024-11-19 11:15:54,935 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 11:15:54,935 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2065305421] [2024-11-19 11:15:54,935 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2065305421] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 11:15:54,935 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1445151539] [2024-11-19 11:15:54,935 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 11:15:54,935 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 11:15:54,936 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 11:15:54,937 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) [2024-11-19 11:15:54,938 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-19 11:15:55,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 11:15:55,073 INFO L255 TraceCheckSpWp]: Trace formula consists of 635 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-11-19 11:15:55,078 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 11:15:55,506 INFO L134 CoverageAnalysis]: Checked inductivity of 7812 backedges. 228 proven. 480 refuted. 0 times theorem prover too weak. 7104 trivial. 0 not checked. [2024-11-19 11:15:55,507 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 11:15:56,030 INFO L134 CoverageAnalysis]: Checked inductivity of 7812 backedges. 228 proven. 480 refuted. 0 times theorem prover too weak. 7104 trivial. 0 not checked. [2024-11-19 11:15:56,031 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1445151539] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 11:15:56,031 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 11:15:56,031 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 10, 11] total 22 [2024-11-19 11:15:56,031 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2073667019] [2024-11-19 11:15:56,031 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 11:15:56,035 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-11-19 11:15:56,035 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 11:15:56,036 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-11-19 11:15:56,036 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=434, Unknown=0, NotChecked=0, Total=506 [2024-11-19 11:15:56,037 INFO L87 Difference]: Start difference. First operand 135 states and 205 transitions. Second operand has 23 states, 21 states have (on average 3.761904761904762) internal successors, (79), 23 states have internal predecessors, (79), 11 states have call successors, (187), 1 states have call predecessors, (187), 2 states have return successors, (189), 11 states have call predecessors, (189), 11 states have call successors, (189) [2024-11-19 11:15:56,774 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 11:15:56,774 INFO L93 Difference]: Finished difference Result 139 states and 210 transitions. [2024-11-19 11:15:56,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-19 11:15:56,775 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 21 states have (on average 3.761904761904762) internal successors, (79), 23 states have internal predecessors, (79), 11 states have call successors, (187), 1 states have call predecessors, (187), 2 states have return successors, (189), 11 states have call predecessors, (189), 11 states have call successors, (189) Word has length 340 [2024-11-19 11:15:56,775 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 11:15:56,777 INFO L225 Difference]: With dead ends: 139 [2024-11-19 11:15:56,777 INFO L226 Difference]: Without dead ends: 138 [2024-11-19 11:15:56,777 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 693 GetRequests, 665 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 94 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=153, Invalid=717, Unknown=0, NotChecked=0, Total=870 [2024-11-19 11:15:56,778 INFO L432 NwaCegarLoop]: 123 mSDtfsCounter, 49 mSDsluCounter, 1170 mSDsCounter, 0 mSdLazyCounter, 861 mSolverCounterSat, 124 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 49 SdHoareTripleChecker+Valid, 1293 SdHoareTripleChecker+Invalid, 985 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 124 IncrementalHoareTripleChecker+Valid, 861 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-19 11:15:56,781 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [49 Valid, 1293 Invalid, 985 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [124 Valid, 861 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-19 11:15:56,782 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138 states. [2024-11-19 11:15:56,798 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 134. [2024-11-19 11:15:56,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 134 states, 54 states have (on average 1.2962962962962963) internal successors, (70), 65 states have internal predecessors, (70), 67 states have call successors, (67), 1 states have call predecessors, (67), 1 states have return successors, (67), 67 states have call predecessors, (67), 67 states have call successors, (67) [2024-11-19 11:15:56,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 204 transitions. [2024-11-19 11:15:56,800 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 204 transitions. Word has length 340 [2024-11-19 11:15:56,801 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 11:15:56,801 INFO L471 AbstractCegarLoop]: Abstraction has 134 states and 204 transitions. [2024-11-19 11:15:56,802 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 21 states have (on average 3.761904761904762) internal successors, (79), 23 states have internal predecessors, (79), 11 states have call successors, (187), 1 states have call predecessors, (187), 2 states have return successors, (189), 11 states have call predecessors, (189), 11 states have call successors, (189) [2024-11-19 11:15:56,802 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 204 transitions. [2024-11-19 11:15:56,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 346 [2024-11-19 11:15:56,804 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 11:15:56,804 INFO L215 NwaCegarLoop]: trace histogram [64, 64, 64, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 11:15:56,825 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-19 11:15:57,010 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 11:15:57,011 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-19 11:15:57,011 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 11:15:57,012 INFO L85 PathProgramCache]: Analyzing trace with hash -769749163, now seen corresponding path program 1 times [2024-11-19 11:15:57,012 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 11:15:57,012 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1936881586] [2024-11-19 11:15:57,012 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 11:15:57,012 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 11:15:57,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 11:15:57,239 INFO L134 CoverageAnalysis]: Checked inductivity of 8064 backedges. 12 proven. 177 refuted. 0 times theorem prover too weak. 7875 trivial. 0 not checked. [2024-11-19 11:15:57,240 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 11:15:57,240 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1936881586] [2024-11-19 11:15:57,240 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1936881586] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 11:15:57,240 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [19637662] [2024-11-19 11:15:57,240 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 11:15:57,240 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 11:15:57,240 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 11:15:57,242 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 11:15:57,243 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-19 11:15:57,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 11:15:57,362 INFO L255 TraceCheckSpWp]: Trace formula consists of 647 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-19 11:15:57,367 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 11:15:57,592 INFO L134 CoverageAnalysis]: Checked inductivity of 8064 backedges. 12 proven. 177 refuted. 0 times theorem prover too weak. 7875 trivial. 0 not checked. [2024-11-19 11:15:57,592 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 11:15:57,917 INFO L134 CoverageAnalysis]: Checked inductivity of 8064 backedges. 12 proven. 177 refuted. 0 times theorem prover too weak. 7875 trivial. 0 not checked. [2024-11-19 11:15:57,917 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [19637662] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 11:15:57,917 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 11:15:57,917 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 9 [2024-11-19 11:15:57,917 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1882948647] [2024-11-19 11:15:57,917 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 11:15:57,918 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-19 11:15:57,918 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 11:15:57,922 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-19 11:15:57,923 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2024-11-19 11:15:57,923 INFO L87 Difference]: Start difference. First operand 134 states and 204 transitions. Second operand has 10 states, 9 states have (on average 8.333333333333334) internal successors, (75), 8 states have internal predecessors, (75), 6 states have call successors, (181), 1 states have call predecessors, (181), 2 states have return successors, (182), 6 states have call predecessors, (182), 6 states have call successors, (182) [2024-11-19 11:15:58,259 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 11:15:58,259 INFO L93 Difference]: Finished difference Result 134 states and 204 transitions. [2024-11-19 11:15:58,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-19 11:15:58,262 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 8.333333333333334) internal successors, (75), 8 states have internal predecessors, (75), 6 states have call successors, (181), 1 states have call predecessors, (181), 2 states have return successors, (182), 6 states have call predecessors, (182), 6 states have call successors, (182) Word has length 345 [2024-11-19 11:15:58,264 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 11:15:58,265 INFO L225 Difference]: With dead ends: 134 [2024-11-19 11:15:58,265 INFO L226 Difference]: Without dead ends: 133 [2024-11-19 11:15:58,266 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 693 GetRequests, 685 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2024-11-19 11:15:58,266 INFO L432 NwaCegarLoop]: 130 mSDtfsCounter, 7 mSDsluCounter, 592 mSDsCounter, 0 mSdLazyCounter, 552 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 722 SdHoareTripleChecker+Invalid, 552 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 552 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-19 11:15:58,267 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 722 Invalid, 552 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 552 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-19 11:15:58,267 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states. [2024-11-19 11:15:58,287 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 133. [2024-11-19 11:15:58,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 133 states, 54 states have (on average 1.2777777777777777) internal successors, (69), 64 states have internal predecessors, (69), 67 states have call successors, (67), 1 states have call predecessors, (67), 1 states have return successors, (67), 67 states have call predecessors, (67), 67 states have call successors, (67) [2024-11-19 11:15:58,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 203 transitions. [2024-11-19 11:15:58,290 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 203 transitions. Word has length 345 [2024-11-19 11:15:58,291 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 11:15:58,291 INFO L471 AbstractCegarLoop]: Abstraction has 133 states and 203 transitions. [2024-11-19 11:15:58,291 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 8.333333333333334) internal successors, (75), 8 states have internal predecessors, (75), 6 states have call successors, (181), 1 states have call predecessors, (181), 2 states have return successors, (182), 6 states have call predecessors, (182), 6 states have call successors, (182) [2024-11-19 11:15:58,291 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 203 transitions. [2024-11-19 11:15:58,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2024-11-19 11:15:58,294 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 11:15:58,295 INFO L215 NwaCegarLoop]: trace histogram [64, 64, 64, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 11:15:58,312 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-11-19 11:15:58,495 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2024-11-19 11:15:58,496 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-19 11:15:58,496 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 11:15:58,496 INFO L85 PathProgramCache]: Analyzing trace with hash 1907579867, now seen corresponding path program 1 times [2024-11-19 11:15:58,496 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 11:15:58,497 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [261692427] [2024-11-19 11:15:58,497 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 11:15:58,497 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 11:15:58,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 11:15:58,714 INFO L134 CoverageAnalysis]: Checked inductivity of 8064 backedges. 18 proven. 171 refuted. 0 times theorem prover too weak. 7875 trivial. 0 not checked. [2024-11-19 11:15:58,714 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 11:15:58,714 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [261692427] [2024-11-19 11:15:58,714 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [261692427] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 11:15:58,715 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [552390138] [2024-11-19 11:15:58,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 11:15:58,715 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 11:15:58,715 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 11:15:58,717 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 11:15:58,719 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-19 11:15:58,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 11:15:58,854 INFO L255 TraceCheckSpWp]: Trace formula consists of 648 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-19 11:15:58,858 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 11:15:59,102 INFO L134 CoverageAnalysis]: Checked inductivity of 8064 backedges. 18 proven. 171 refuted. 0 times theorem prover too weak. 7875 trivial. 0 not checked. [2024-11-19 11:15:59,102 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 11:15:59,435 INFO L134 CoverageAnalysis]: Checked inductivity of 8064 backedges. 18 proven. 171 refuted. 0 times theorem prover too weak. 7875 trivial. 0 not checked. [2024-11-19 11:15:59,435 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [552390138] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 11:15:59,435 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 11:15:59,436 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 7 [2024-11-19 11:15:59,436 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1528875524] [2024-11-19 11:15:59,436 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 11:15:59,437 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-19 11:15:59,437 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 11:15:59,437 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-19 11:15:59,438 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-11-19 11:15:59,438 INFO L87 Difference]: Start difference. First operand 133 states and 203 transitions. Second operand has 8 states, 7 states have (on average 7.857142857142857) internal successors, (55), 8 states have internal predecessors, (55), 4 states have call successors, (121), 1 states have call predecessors, (121), 2 states have return successors, (122), 4 states have call predecessors, (122), 4 states have call successors, (122) [2024-11-19 11:15:59,712 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 11:15:59,712 INFO L93 Difference]: Finished difference Result 133 states and 203 transitions. [2024-11-19 11:15:59,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-19 11:15:59,713 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 7.857142857142857) internal successors, (55), 8 states have internal predecessors, (55), 4 states have call successors, (121), 1 states have call predecessors, (121), 2 states have return successors, (122), 4 states have call predecessors, (122), 4 states have call successors, (122) Word has length 346 [2024-11-19 11:15:59,714 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 11:15:59,715 INFO L225 Difference]: With dead ends: 133 [2024-11-19 11:15:59,715 INFO L226 Difference]: Without dead ends: 132 [2024-11-19 11:15:59,715 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 695 GetRequests, 688 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-11-19 11:15:59,716 INFO L432 NwaCegarLoop]: 130 mSDtfsCounter, 18 mSDsluCounter, 327 mSDsCounter, 0 mSdLazyCounter, 378 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 457 SdHoareTripleChecker+Invalid, 378 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 378 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-19 11:15:59,716 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 457 Invalid, 378 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 378 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-19 11:15:59,716 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132 states. [2024-11-19 11:15:59,732 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132 to 132. [2024-11-19 11:15:59,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 132 states, 54 states have (on average 1.2592592592592593) internal successors, (68), 63 states have internal predecessors, (68), 67 states have call successors, (67), 1 states have call predecessors, (67), 1 states have return successors, (67), 67 states have call predecessors, (67), 67 states have call successors, (67) [2024-11-19 11:15:59,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 202 transitions. [2024-11-19 11:15:59,734 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 202 transitions. Word has length 346 [2024-11-19 11:15:59,737 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 11:15:59,737 INFO L471 AbstractCegarLoop]: Abstraction has 132 states and 202 transitions. [2024-11-19 11:15:59,737 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 7.857142857142857) internal successors, (55), 8 states have internal predecessors, (55), 4 states have call successors, (121), 1 states have call predecessors, (121), 2 states have return successors, (122), 4 states have call predecessors, (122), 4 states have call successors, (122) [2024-11-19 11:15:59,737 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 202 transitions. [2024-11-19 11:15:59,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 350 [2024-11-19 11:15:59,739 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 11:15:59,740 INFO L215 NwaCegarLoop]: trace histogram [64, 64, 64, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 11:15:59,757 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2024-11-19 11:15:59,940 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-11-19 11:15:59,942 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-19 11:15:59,942 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 11:15:59,942 INFO L85 PathProgramCache]: Analyzing trace with hash 1999672444, now seen corresponding path program 1 times [2024-11-19 11:15:59,942 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 11:15:59,943 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1642951077] [2024-11-19 11:15:59,943 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 11:15:59,943 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 11:15:59,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 11:16:00,153 INFO L134 CoverageAnalysis]: Checked inductivity of 8064 backedges. 12 proven. 177 refuted. 0 times theorem prover too weak. 7875 trivial. 0 not checked. [2024-11-19 11:16:00,153 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 11:16:00,153 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1642951077] [2024-11-19 11:16:00,154 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1642951077] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 11:16:00,154 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [396011112] [2024-11-19 11:16:00,154 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 11:16:00,154 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 11:16:00,154 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 11:16:00,156 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 11:16:00,158 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-19 11:16:00,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 11:16:00,286 INFO L255 TraceCheckSpWp]: Trace formula consists of 653 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-19 11:16:00,290 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 11:16:00,541 INFO L134 CoverageAnalysis]: Checked inductivity of 8064 backedges. 12 proven. 177 refuted. 0 times theorem prover too weak. 7875 trivial. 0 not checked. [2024-11-19 11:16:00,541 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 11:16:00,853 INFO L134 CoverageAnalysis]: Checked inductivity of 8064 backedges. 12 proven. 177 refuted. 0 times theorem prover too weak. 7875 trivial. 0 not checked. [2024-11-19 11:16:00,854 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [396011112] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 11:16:00,854 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 11:16:00,854 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 8 [2024-11-19 11:16:00,854 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [411640478] [2024-11-19 11:16:00,854 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 11:16:00,855 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-19 11:16:00,855 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 11:16:00,856 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-19 11:16:00,856 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-19 11:16:00,856 INFO L87 Difference]: Start difference. First operand 132 states and 202 transitions. Second operand has 9 states, 8 states have (on average 7.375) internal successors, (59), 8 states have internal predecessors, (59), 4 states have call successors, (122), 1 states have call predecessors, (122), 2 states have return successors, (122), 4 states have call predecessors, (122), 4 states have call successors, (122) [2024-11-19 11:16:01,218 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 11:16:01,218 INFO L93 Difference]: Finished difference Result 132 states and 202 transitions. [2024-11-19 11:16:01,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-19 11:16:01,218 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 7.375) internal successors, (59), 8 states have internal predecessors, (59), 4 states have call successors, (122), 1 states have call predecessors, (122), 2 states have return successors, (122), 4 states have call predecessors, (122), 4 states have call successors, (122) Word has length 349 [2024-11-19 11:16:01,219 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 11:16:01,220 INFO L225 Difference]: With dead ends: 132 [2024-11-19 11:16:01,220 INFO L226 Difference]: Without dead ends: 131 [2024-11-19 11:16:01,221 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 702 GetRequests, 693 SyntacticMatches, 2 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-19 11:16:01,221 INFO L432 NwaCegarLoop]: 125 mSDtfsCounter, 18 mSDsluCounter, 456 mSDsCounter, 0 mSdLazyCounter, 645 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 581 SdHoareTripleChecker+Invalid, 645 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 645 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-19 11:16:01,221 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 581 Invalid, 645 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 645 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-19 11:16:01,222 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2024-11-19 11:16:01,233 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 131. [2024-11-19 11:16:01,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 131 states, 54 states have (on average 1.2407407407407407) internal successors, (67), 62 states have internal predecessors, (67), 67 states have call successors, (67), 1 states have call predecessors, (67), 1 states have return successors, (67), 67 states have call predecessors, (67), 67 states have call successors, (67) [2024-11-19 11:16:01,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 201 transitions. [2024-11-19 11:16:01,235 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 201 transitions. Word has length 349 [2024-11-19 11:16:01,236 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 11:16:01,236 INFO L471 AbstractCegarLoop]: Abstraction has 131 states and 201 transitions. [2024-11-19 11:16:01,236 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 7.375) internal successors, (59), 8 states have internal predecessors, (59), 4 states have call successors, (122), 1 states have call predecessors, (122), 2 states have return successors, (122), 4 states have call predecessors, (122), 4 states have call successors, (122) [2024-11-19 11:16:01,236 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 201 transitions. [2024-11-19 11:16:01,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 355 [2024-11-19 11:16:01,238 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 11:16:01,238 INFO L215 NwaCegarLoop]: trace histogram [65, 65, 65, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 11:16:01,257 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2024-11-19 11:16:01,439 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2024-11-19 11:16:01,439 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-19 11:16:01,440 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 11:16:01,440 INFO L85 PathProgramCache]: Analyzing trace with hash 1116373343, now seen corresponding path program 1 times [2024-11-19 11:16:01,440 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 11:16:01,440 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [696268850] [2024-11-19 11:16:01,440 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 11:16:01,440 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 11:16:01,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 11:16:01,641 INFO L134 CoverageAnalysis]: Checked inductivity of 8320 backedges. 18 proven. 174 refuted. 0 times theorem prover too weak. 8128 trivial. 0 not checked. [2024-11-19 11:16:01,641 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 11:16:01,642 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [696268850] [2024-11-19 11:16:01,642 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [696268850] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 11:16:01,642 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [735907042] [2024-11-19 11:16:01,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 11:16:01,642 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 11:16:01,642 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 11:16:01,644 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 11:16:01,646 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-11-19 11:16:01,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 11:16:01,776 INFO L255 TraceCheckSpWp]: Trace formula consists of 665 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-19 11:16:01,781 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 11:16:02,200 INFO L134 CoverageAnalysis]: Checked inductivity of 8320 backedges. 270 proven. 462 refuted. 0 times theorem prover too weak. 7588 trivial. 0 not checked. [2024-11-19 11:16:02,201 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 11:16:02,656 INFO L134 CoverageAnalysis]: Checked inductivity of 8320 backedges. 270 proven. 462 refuted. 0 times theorem prover too weak. 7588 trivial. 0 not checked. [2024-11-19 11:16:02,657 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [735907042] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 11:16:02,657 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 11:16:02,657 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 9, 10] total 19 [2024-11-19 11:16:02,657 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1731843428] [2024-11-19 11:16:02,657 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 11:16:02,659 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2024-11-19 11:16:02,659 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 11:16:02,660 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2024-11-19 11:16:02,660 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=316, Unknown=0, NotChecked=0, Total=380 [2024-11-19 11:16:02,660 INFO L87 Difference]: Start difference. First operand 131 states and 201 transitions. Second operand has 20 states, 18 states have (on average 4.833333333333333) internal successors, (87), 17 states have internal predecessors, (87), 11 states have call successors, (185), 1 states have call predecessors, (185), 2 states have return successors, (187), 11 states have call predecessors, (187), 11 states have call successors, (187) [2024-11-19 11:16:03,338 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 11:16:03,339 INFO L93 Difference]: Finished difference Result 135 states and 208 transitions. [2024-11-19 11:16:03,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-19 11:16:03,339 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 18 states have (on average 4.833333333333333) internal successors, (87), 17 states have internal predecessors, (87), 11 states have call successors, (185), 1 states have call predecessors, (185), 2 states have return successors, (187), 11 states have call predecessors, (187), 11 states have call successors, (187) Word has length 354 [2024-11-19 11:16:03,340 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 11:16:03,341 INFO L225 Difference]: With dead ends: 135 [2024-11-19 11:16:03,341 INFO L226 Difference]: Without dead ends: 134 [2024-11-19 11:16:03,342 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 718 GetRequests, 693 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 87 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=146, Invalid=556, Unknown=0, NotChecked=0, Total=702 [2024-11-19 11:16:03,342 INFO L432 NwaCegarLoop]: 120 mSDtfsCounter, 117 mSDsluCounter, 986 mSDsCounter, 0 mSdLazyCounter, 902 mSolverCounterSat, 116 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 117 SdHoareTripleChecker+Valid, 1106 SdHoareTripleChecker+Invalid, 1018 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 116 IncrementalHoareTripleChecker+Valid, 902 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-19 11:16:03,343 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [117 Valid, 1106 Invalid, 1018 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [116 Valid, 902 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-19 11:16:03,343 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2024-11-19 11:16:03,353 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 130. [2024-11-19 11:16:03,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 130 states, 54 states have (on average 1.2222222222222223) internal successors, (66), 61 states have internal predecessors, (66), 67 states have call successors, (67), 1 states have call predecessors, (67), 1 states have return successors, (67), 67 states have call predecessors, (67), 67 states have call successors, (67) [2024-11-19 11:16:03,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 200 transitions. [2024-11-19 11:16:03,355 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 200 transitions. Word has length 354 [2024-11-19 11:16:03,355 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 11:16:03,355 INFO L471 AbstractCegarLoop]: Abstraction has 130 states and 200 transitions. [2024-11-19 11:16:03,356 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 18 states have (on average 4.833333333333333) internal successors, (87), 17 states have internal predecessors, (87), 11 states have call successors, (185), 1 states have call predecessors, (185), 2 states have return successors, (187), 11 states have call predecessors, (187), 11 states have call successors, (187) [2024-11-19 11:16:03,356 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 200 transitions. [2024-11-19 11:16:03,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 356 [2024-11-19 11:16:03,358 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 11:16:03,358 INFO L215 NwaCegarLoop]: trace histogram [65, 65, 65, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 11:16:03,375 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-11-19 11:16:03,559 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2024-11-19 11:16:03,559 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-19 11:16:03,559 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 11:16:03,559 INFO L85 PathProgramCache]: Analyzing trace with hash 247835425, now seen corresponding path program 1 times [2024-11-19 11:16:03,560 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 11:16:03,560 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1145027754] [2024-11-19 11:16:03,560 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 11:16:03,560 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 11:16:03,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 11:16:03,752 INFO L134 CoverageAnalysis]: Checked inductivity of 8320 backedges. 24 proven. 168 refuted. 0 times theorem prover too weak. 8128 trivial. 0 not checked. [2024-11-19 11:16:03,752 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 11:16:03,753 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1145027754] [2024-11-19 11:16:03,753 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1145027754] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 11:16:03,753 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1278168112] [2024-11-19 11:16:03,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 11:16:03,753 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 11:16:03,753 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 11:16:03,755 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 11:16:03,756 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-11-19 11:16:03,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 11:16:03,896 INFO L255 TraceCheckSpWp]: Trace formula consists of 666 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-19 11:16:03,901 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 11:16:04,127 INFO L134 CoverageAnalysis]: Checked inductivity of 8320 backedges. 24 proven. 168 refuted. 0 times theorem prover too weak. 8128 trivial. 0 not checked. [2024-11-19 11:16:04,127 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 11:16:04,435 INFO L134 CoverageAnalysis]: Checked inductivity of 8320 backedges. 24 proven. 168 refuted. 0 times theorem prover too weak. 8128 trivial. 0 not checked. [2024-11-19 11:16:04,436 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1278168112] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 11:16:04,436 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 11:16:04,436 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 7 [2024-11-19 11:16:04,436 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [378073154] [2024-11-19 11:16:04,436 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 11:16:04,437 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-19 11:16:04,438 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 11:16:04,439 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-19 11:16:04,439 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-11-19 11:16:04,440 INFO L87 Difference]: Start difference. First operand 130 states and 200 transitions. Second operand has 8 states, 7 states have (on average 8.857142857142858) internal successors, (62), 8 states have internal predecessors, (62), 4 states have call successors, (121), 1 states have call predecessors, (121), 2 states have return successors, (122), 4 states have call predecessors, (122), 4 states have call successors, (122) [2024-11-19 11:16:04,719 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 11:16:04,719 INFO L93 Difference]: Finished difference Result 130 states and 200 transitions. [2024-11-19 11:16:04,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-19 11:16:04,719 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 8.857142857142858) internal successors, (62), 8 states have internal predecessors, (62), 4 states have call successors, (121), 1 states have call predecessors, (121), 2 states have return successors, (122), 4 states have call predecessors, (122), 4 states have call successors, (122) Word has length 355 [2024-11-19 11:16:04,720 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 11:16:04,721 INFO L225 Difference]: With dead ends: 130 [2024-11-19 11:16:04,721 INFO L226 Difference]: Without dead ends: 129 [2024-11-19 11:16:04,721 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 713 GetRequests, 706 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-11-19 11:16:04,722 INFO L432 NwaCegarLoop]: 127 mSDtfsCounter, 9 mSDsluCounter, 394 mSDsCounter, 0 mSdLazyCounter, 399 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 521 SdHoareTripleChecker+Invalid, 399 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 399 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-19 11:16:04,722 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 521 Invalid, 399 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 399 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-19 11:16:04,723 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 129 states. [2024-11-19 11:16:04,735 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 129 to 129. [2024-11-19 11:16:04,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 129 states, 54 states have (on average 1.2037037037037037) internal successors, (65), 60 states have internal predecessors, (65), 67 states have call successors, (67), 1 states have call predecessors, (67), 1 states have return successors, (67), 67 states have call predecessors, (67), 67 states have call successors, (67) [2024-11-19 11:16:04,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 129 states and 199 transitions. [2024-11-19 11:16:04,736 INFO L78 Accepts]: Start accepts. Automaton has 129 states and 199 transitions. Word has length 355 [2024-11-19 11:16:04,737 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 11:16:04,737 INFO L471 AbstractCegarLoop]: Abstraction has 129 states and 199 transitions. [2024-11-19 11:16:04,737 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 8.857142857142858) internal successors, (62), 8 states have internal predecessors, (62), 4 states have call successors, (121), 1 states have call predecessors, (121), 2 states have return successors, (122), 4 states have call predecessors, (122), 4 states have call successors, (122) [2024-11-19 11:16:04,737 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 199 transitions. [2024-11-19 11:16:04,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 359 [2024-11-19 11:16:04,739 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 11:16:04,739 INFO L215 NwaCegarLoop]: trace histogram [65, 65, 65, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 11:16:04,758 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2024-11-19 11:16:04,940 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2024-11-19 11:16:04,940 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-19 11:16:04,941 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 11:16:04,941 INFO L85 PathProgramCache]: Analyzing trace with hash 216528262, now seen corresponding path program 1 times [2024-11-19 11:16:04,941 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 11:16:04,941 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [110190030] [2024-11-19 11:16:04,941 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 11:16:04,941 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 11:16:04,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 11:16:05,149 INFO L134 CoverageAnalysis]: Checked inductivity of 8320 backedges. 18 proven. 174 refuted. 0 times theorem prover too weak. 8128 trivial. 0 not checked. [2024-11-19 11:16:05,149 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 11:16:05,149 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [110190030] [2024-11-19 11:16:05,149 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [110190030] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 11:16:05,149 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1114725269] [2024-11-19 11:16:05,150 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 11:16:05,150 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 11:16:05,150 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 11:16:05,151 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 11:16:05,152 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-11-19 11:16:05,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 11:16:05,286 INFO L255 TraceCheckSpWp]: Trace formula consists of 671 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-19 11:16:05,291 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 11:16:05,546 INFO L134 CoverageAnalysis]: Checked inductivity of 8320 backedges. 18 proven. 174 refuted. 0 times theorem prover too weak. 8128 trivial. 0 not checked. [2024-11-19 11:16:05,546 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 11:16:05,880 INFO L134 CoverageAnalysis]: Checked inductivity of 8320 backedges. 18 proven. 174 refuted. 0 times theorem prover too weak. 8128 trivial. 0 not checked. [2024-11-19 11:16:05,880 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1114725269] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 11:16:05,880 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 11:16:05,881 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 8 [2024-11-19 11:16:05,881 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1413775421] [2024-11-19 11:16:05,881 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 11:16:05,882 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-19 11:16:05,882 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 11:16:05,883 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-19 11:16:05,883 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-19 11:16:05,883 INFO L87 Difference]: Start difference. First operand 129 states and 199 transitions. Second operand has 9 states, 8 states have (on average 8.25) internal successors, (66), 8 states have internal predecessors, (66), 4 states have call successors, (122), 1 states have call predecessors, (122), 2 states have return successors, (122), 4 states have call predecessors, (122), 4 states have call successors, (122) [2024-11-19 11:16:06,255 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 11:16:06,256 INFO L93 Difference]: Finished difference Result 129 states and 199 transitions. [2024-11-19 11:16:06,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-19 11:16:06,257 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 8.25) internal successors, (66), 8 states have internal predecessors, (66), 4 states have call successors, (122), 1 states have call predecessors, (122), 2 states have return successors, (122), 4 states have call predecessors, (122), 4 states have call successors, (122) Word has length 358 [2024-11-19 11:16:06,257 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 11:16:06,259 INFO L225 Difference]: With dead ends: 129 [2024-11-19 11:16:06,259 INFO L226 Difference]: Without dead ends: 128 [2024-11-19 11:16:06,259 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 720 GetRequests, 711 SyntacticMatches, 2 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-19 11:16:06,259 INFO L432 NwaCegarLoop]: 122 mSDtfsCounter, 18 mSDsluCounter, 374 mSDsCounter, 0 mSdLazyCounter, 504 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 496 SdHoareTripleChecker+Invalid, 504 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 504 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-19 11:16:06,260 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 496 Invalid, 504 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 504 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-19 11:16:06,264 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states. [2024-11-19 11:16:06,278 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 128. [2024-11-19 11:16:06,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 128 states, 54 states have (on average 1.1851851851851851) internal successors, (64), 59 states have internal predecessors, (64), 67 states have call successors, (67), 1 states have call predecessors, (67), 1 states have return successors, (67), 67 states have call predecessors, (67), 67 states have call successors, (67) [2024-11-19 11:16:06,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 198 transitions. [2024-11-19 11:16:06,280 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 198 transitions. Word has length 358 [2024-11-19 11:16:06,281 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 11:16:06,281 INFO L471 AbstractCegarLoop]: Abstraction has 128 states and 198 transitions. [2024-11-19 11:16:06,282 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 8.25) internal successors, (66), 8 states have internal predecessors, (66), 4 states have call successors, (122), 1 states have call predecessors, (122), 2 states have return successors, (122), 4 states have call predecessors, (122), 4 states have call successors, (122) [2024-11-19 11:16:06,282 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 198 transitions. [2024-11-19 11:16:06,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 364 [2024-11-19 11:16:06,283 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 11:16:06,284 INFO L215 NwaCegarLoop]: trace histogram [66, 66, 66, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 11:16:06,303 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2024-11-19 11:16:06,484 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2024-11-19 11:16:06,485 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-19 11:16:06,485 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 11:16:06,485 INFO L85 PathProgramCache]: Analyzing trace with hash 645160497, now seen corresponding path program 1 times [2024-11-19 11:16:06,485 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 11:16:06,485 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1935347348] [2024-11-19 11:16:06,485 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 11:16:06,486 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 11:16:06,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 11:16:06,696 INFO L134 CoverageAnalysis]: Checked inductivity of 8580 backedges. 24 proven. 171 refuted. 0 times theorem prover too weak. 8385 trivial. 0 not checked. [2024-11-19 11:16:06,697 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 11:16:06,697 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1935347348] [2024-11-19 11:16:06,697 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1935347348] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 11:16:06,697 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1447429744] [2024-11-19 11:16:06,697 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 11:16:06,697 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 11:16:06,697 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 11:16:06,699 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 11:16:06,701 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-11-19 11:16:06,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 11:16:06,851 INFO L255 TraceCheckSpWp]: Trace formula consists of 683 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-19 11:16:06,855 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 11:16:07,260 INFO L134 CoverageAnalysis]: Checked inductivity of 8580 backedges. 291 proven. 453 refuted. 0 times theorem prover too weak. 7836 trivial. 0 not checked. [2024-11-19 11:16:07,260 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 11:16:07,800 INFO L134 CoverageAnalysis]: Checked inductivity of 8580 backedges. 291 proven. 453 refuted. 0 times theorem prover too weak. 7836 trivial. 0 not checked. [2024-11-19 11:16:07,800 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1447429744] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 11:16:07,801 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 11:16:07,801 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 9, 10] total 19 [2024-11-19 11:16:07,801 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [367785083] [2024-11-19 11:16:07,801 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 11:16:07,802 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2024-11-19 11:16:07,802 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 11:16:07,803 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2024-11-19 11:16:07,804 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=316, Unknown=0, NotChecked=0, Total=380 [2024-11-19 11:16:07,804 INFO L87 Difference]: Start difference. First operand 128 states and 198 transitions. Second operand has 20 states, 18 states have (on average 5.388888888888889) internal successors, (97), 17 states have internal predecessors, (97), 11 states have call successors, (184), 1 states have call predecessors, (184), 2 states have return successors, (186), 11 states have call predecessors, (186), 11 states have call successors, (186) [2024-11-19 11:16:08,406 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 11:16:08,406 INFO L93 Difference]: Finished difference Result 132 states and 205 transitions. [2024-11-19 11:16:08,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-19 11:16:08,407 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 18 states have (on average 5.388888888888889) internal successors, (97), 17 states have internal predecessors, (97), 11 states have call successors, (184), 1 states have call predecessors, (184), 2 states have return successors, (186), 11 states have call predecessors, (186), 11 states have call successors, (186) Word has length 363 [2024-11-19 11:16:08,407 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 11:16:08,408 INFO L225 Difference]: With dead ends: 132 [2024-11-19 11:16:08,408 INFO L226 Difference]: Without dead ends: 131 [2024-11-19 11:16:08,409 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 736 GetRequests, 711 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 88 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=146, Invalid=556, Unknown=0, NotChecked=0, Total=702 [2024-11-19 11:16:08,409 INFO L432 NwaCegarLoop]: 117 mSDtfsCounter, 117 mSDsluCounter, 937 mSDsCounter, 0 mSdLazyCounter, 818 mSolverCounterSat, 56 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 117 SdHoareTripleChecker+Valid, 1054 SdHoareTripleChecker+Invalid, 874 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 56 IncrementalHoareTripleChecker+Valid, 818 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-19 11:16:08,409 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [117 Valid, 1054 Invalid, 874 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [56 Valid, 818 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-19 11:16:08,410 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2024-11-19 11:16:08,423 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 127. [2024-11-19 11:16:08,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 127 states, 54 states have (on average 1.1666666666666667) internal successors, (63), 58 states have internal predecessors, (63), 67 states have call successors, (67), 1 states have call predecessors, (67), 1 states have return successors, (67), 67 states have call predecessors, (67), 67 states have call successors, (67) [2024-11-19 11:16:08,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 197 transitions. [2024-11-19 11:16:08,425 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 197 transitions. Word has length 363 [2024-11-19 11:16:08,426 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 11:16:08,426 INFO L471 AbstractCegarLoop]: Abstraction has 127 states and 197 transitions. [2024-11-19 11:16:08,426 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 18 states have (on average 5.388888888888889) internal successors, (97), 17 states have internal predecessors, (97), 11 states have call successors, (184), 1 states have call predecessors, (184), 2 states have return successors, (186), 11 states have call predecessors, (186), 11 states have call successors, (186) [2024-11-19 11:16:08,426 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 197 transitions. [2024-11-19 11:16:08,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 365 [2024-11-19 11:16:08,429 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 11:16:08,429 INFO L215 NwaCegarLoop]: trace histogram [66, 66, 66, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 11:16:08,455 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2024-11-19 11:16:08,633 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 11:16:08,634 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-19 11:16:08,635 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 11:16:08,635 INFO L85 PathProgramCache]: Analyzing trace with hash -1474860897, now seen corresponding path program 1 times [2024-11-19 11:16:08,635 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 11:16:08,635 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2135867785] [2024-11-19 11:16:08,635 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 11:16:08,635 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 11:16:08,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 11:16:08,935 INFO L134 CoverageAnalysis]: Checked inductivity of 8580 backedges. 30 proven. 165 refuted. 0 times theorem prover too weak. 8385 trivial. 0 not checked. [2024-11-19 11:16:08,935 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 11:16:08,935 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2135867785] [2024-11-19 11:16:08,935 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2135867785] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 11:16:08,935 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [241475667] [2024-11-19 11:16:08,935 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 11:16:08,936 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 11:16:08,936 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 11:16:08,937 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 11:16:08,939 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-11-19 11:16:09,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 11:16:09,075 INFO L255 TraceCheckSpWp]: Trace formula consists of 684 conjuncts, 78 conjuncts are in the unsatisfiable core [2024-11-19 11:16:09,081 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 11:16:11,075 INFO L134 CoverageAnalysis]: Checked inductivity of 8580 backedges. 1311 proven. 633 refuted. 0 times theorem prover too weak. 6636 trivial. 0 not checked. [2024-11-19 11:16:11,075 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 11:16:14,790 INFO L134 CoverageAnalysis]: Checked inductivity of 8580 backedges. 1311 proven. 633 refuted. 0 times theorem prover too weak. 6636 trivial. 0 not checked. [2024-11-19 11:16:14,790 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [241475667] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 11:16:14,790 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 11:16:14,790 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 25, 28] total 55 [2024-11-19 11:16:14,791 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1908629170] [2024-11-19 11:16:14,791 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 11:16:14,792 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 56 states [2024-11-19 11:16:14,792 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 11:16:14,793 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 56 interpolants. [2024-11-19 11:16:14,794 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=271, Invalid=2809, Unknown=0, NotChecked=0, Total=3080 [2024-11-19 11:16:14,794 INFO L87 Difference]: Start difference. First operand 127 states and 197 transitions. Second operand has 56 states, 44 states have (on average 2.272727272727273) internal successors, (100), 50 states have internal predecessors, (100), 30 states have call successors, (186), 1 states have call predecessors, (186), 2 states have return successors, (187), 29 states have call predecessors, (187), 30 states have call successors, (187) [2024-11-19 11:16:18,682 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 11:16:18,682 INFO L93 Difference]: Finished difference Result 164 states and 245 transitions. [2024-11-19 11:16:18,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2024-11-19 11:16:18,683 INFO L78 Accepts]: Start accepts. Automaton has has 56 states, 44 states have (on average 2.272727272727273) internal successors, (100), 50 states have internal predecessors, (100), 30 states have call successors, (186), 1 states have call predecessors, (186), 2 states have return successors, (187), 29 states have call predecessors, (187), 30 states have call successors, (187) Word has length 364 [2024-11-19 11:16:18,683 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 11:16:18,685 INFO L225 Difference]: With dead ends: 164 [2024-11-19 11:16:18,685 INFO L226 Difference]: Without dead ends: 163 [2024-11-19 11:16:18,688 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 771 GetRequests, 680 SyntacticMatches, 1 SemanticMatches, 90 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1646 ImplicationChecksByTransitivity, 3.5s TimeCoverageRelationStatistics Valid=868, Invalid=7504, Unknown=0, NotChecked=0, Total=8372 [2024-11-19 11:16:18,688 INFO L432 NwaCegarLoop]: 108 mSDtfsCounter, 158 mSDsluCounter, 2492 mSDsCounter, 0 mSdLazyCounter, 3830 mSolverCounterSat, 269 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 158 SdHoareTripleChecker+Valid, 2600 SdHoareTripleChecker+Invalid, 4099 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 269 IncrementalHoareTripleChecker+Valid, 3830 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2024-11-19 11:16:18,688 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [158 Valid, 2600 Invalid, 4099 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [269 Valid, 3830 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2024-11-19 11:16:18,689 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 163 states. [2024-11-19 11:16:18,721 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 163 to 136. [2024-11-19 11:16:18,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 136 states, 61 states have (on average 1.1639344262295082) internal successors, (71), 65 states have internal predecessors, (71), 69 states have call successors, (69), 1 states have call predecessors, (69), 1 states have return successors, (69), 69 states have call predecessors, (69), 69 states have call successors, (69) [2024-11-19 11:16:18,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 209 transitions. [2024-11-19 11:16:18,723 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 209 transitions. Word has length 364 [2024-11-19 11:16:18,723 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 11:16:18,724 INFO L471 AbstractCegarLoop]: Abstraction has 136 states and 209 transitions. [2024-11-19 11:16:18,724 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 56 states, 44 states have (on average 2.272727272727273) internal successors, (100), 50 states have internal predecessors, (100), 30 states have call successors, (186), 1 states have call predecessors, (186), 2 states have return successors, (187), 29 states have call predecessors, (187), 30 states have call successors, (187) [2024-11-19 11:16:18,724 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 209 transitions. [2024-11-19 11:16:18,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 367 [2024-11-19 11:16:18,726 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 11:16:18,726 INFO L215 NwaCegarLoop]: trace histogram [66, 66, 66, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 11:16:18,745 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2024-11-19 11:16:18,927 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2024-11-19 11:16:18,927 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-19 11:16:18,928 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 11:16:18,928 INFO L85 PathProgramCache]: Analyzing trace with hash 1167556739, now seen corresponding path program 1 times [2024-11-19 11:16:18,928 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 11:16:18,928 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1060830532] [2024-11-19 11:16:18,928 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 11:16:18,929 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 11:16:18,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 11:16:19,173 INFO L134 CoverageAnalysis]: Checked inductivity of 8580 backedges. 54 proven. 330 refuted. 0 times theorem prover too weak. 8196 trivial. 0 not checked. [2024-11-19 11:16:19,173 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 11:16:19,173 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1060830532] [2024-11-19 11:16:19,173 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1060830532] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 11:16:19,173 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [425875277] [2024-11-19 11:16:19,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 11:16:19,173 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 11:16:19,174 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 11:16:19,175 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 11:16:19,178 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-11-19 11:16:19,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 11:16:19,314 INFO L255 TraceCheckSpWp]: Trace formula consists of 686 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-19 11:16:19,318 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 11:16:19,563 INFO L134 CoverageAnalysis]: Checked inductivity of 8580 backedges. 30 proven. 165 refuted. 0 times theorem prover too weak. 8385 trivial. 0 not checked. [2024-11-19 11:16:19,563 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 11:16:19,926 INFO L134 CoverageAnalysis]: Checked inductivity of 8580 backedges. 30 proven. 165 refuted. 0 times theorem prover too weak. 8385 trivial. 0 not checked. [2024-11-19 11:16:19,927 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [425875277] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 11:16:19,927 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 11:16:19,927 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 9 [2024-11-19 11:16:19,927 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1051427505] [2024-11-19 11:16:19,927 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 11:16:19,928 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-19 11:16:19,928 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 11:16:19,929 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-19 11:16:19,929 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2024-11-19 11:16:19,930 INFO L87 Difference]: Start difference. First operand 136 states and 209 transitions. Second operand has 10 states, 9 states have (on average 11.555555555555555) internal successors, (104), 10 states have internal predecessors, (104), 6 states have call successors, (179), 1 states have call predecessors, (179), 2 states have return successors, (180), 6 states have call predecessors, (180), 6 states have call successors, (180) [2024-11-19 11:16:20,218 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 11:16:20,218 INFO L93 Difference]: Finished difference Result 136 states and 209 transitions. [2024-11-19 11:16:20,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-19 11:16:20,219 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 11.555555555555555) internal successors, (104), 10 states have internal predecessors, (104), 6 states have call successors, (179), 1 states have call predecessors, (179), 2 states have return successors, (180), 6 states have call predecessors, (180), 6 states have call successors, (180) Word has length 366 [2024-11-19 11:16:20,219 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 11:16:20,220 INFO L225 Difference]: With dead ends: 136 [2024-11-19 11:16:20,220 INFO L226 Difference]: Without dead ends: 135 [2024-11-19 11:16:20,221 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 738 GetRequests, 728 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2024-11-19 11:16:20,221 INFO L432 NwaCegarLoop]: 124 mSDtfsCounter, 58 mSDsluCounter, 447 mSDsCounter, 0 mSdLazyCounter, 416 mSolverCounterSat, 55 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 59 SdHoareTripleChecker+Valid, 571 SdHoareTripleChecker+Invalid, 471 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 55 IncrementalHoareTripleChecker+Valid, 416 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-19 11:16:20,221 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [59 Valid, 571 Invalid, 471 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [55 Valid, 416 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-19 11:16:20,222 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 135 states. [2024-11-19 11:16:20,242 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 135 to 126. [2024-11-19 11:16:20,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 126 states, 54 states have (on average 1.1481481481481481) internal successors, (62), 57 states have internal predecessors, (62), 67 states have call successors, (67), 1 states have call predecessors, (67), 1 states have return successors, (67), 67 states have call predecessors, (67), 67 states have call successors, (67) [2024-11-19 11:16:20,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 196 transitions. [2024-11-19 11:16:20,244 INFO L78 Accepts]: Start accepts. Automaton has 126 states and 196 transitions. Word has length 366 [2024-11-19 11:16:20,245 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 11:16:20,245 INFO L471 AbstractCegarLoop]: Abstraction has 126 states and 196 transitions. [2024-11-19 11:16:20,245 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 11.555555555555555) internal successors, (104), 10 states have internal predecessors, (104), 6 states have call successors, (179), 1 states have call predecessors, (179), 2 states have return successors, (180), 6 states have call predecessors, (180), 6 states have call successors, (180) [2024-11-19 11:16:20,245 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 196 transitions. [2024-11-19 11:16:20,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 368 [2024-11-19 11:16:20,247 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 11:16:20,247 INFO L215 NwaCegarLoop]: trace histogram [66, 66, 66, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 11:16:20,267 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2024-11-19 11:16:20,448 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-11-19 11:16:20,448 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-19 11:16:20,449 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 11:16:20,449 INFO L85 PathProgramCache]: Analyzing trace with hash -65364648, now seen corresponding path program 1 times [2024-11-19 11:16:20,449 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 11:16:20,449 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [459776731] [2024-11-19 11:16:20,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 11:16:20,449 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 11:16:20,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 11:16:20,709 INFO L134 CoverageAnalysis]: Checked inductivity of 8580 backedges. 54 proven. 330 refuted. 0 times theorem prover too weak. 8196 trivial. 0 not checked. [2024-11-19 11:16:20,710 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 11:16:20,710 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [459776731] [2024-11-19 11:16:20,710 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [459776731] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 11:16:20,710 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [116388132] [2024-11-19 11:16:20,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 11:16:20,710 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 11:16:20,711 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 11:16:20,712 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 11:16:20,714 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2024-11-19 11:16:20,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 11:16:20,863 INFO L255 TraceCheckSpWp]: Trace formula consists of 689 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-19 11:16:20,869 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 11:16:21,158 INFO L134 CoverageAnalysis]: Checked inductivity of 8580 backedges. 24 proven. 171 refuted. 0 times theorem prover too weak. 8385 trivial. 0 not checked. [2024-11-19 11:16:21,158 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 11:16:21,504 INFO L134 CoverageAnalysis]: Checked inductivity of 8580 backedges. 24 proven. 171 refuted. 0 times theorem prover too weak. 8385 trivial. 0 not checked. [2024-11-19 11:16:21,504 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [116388132] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 11:16:21,504 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 11:16:21,505 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 10 [2024-11-19 11:16:21,505 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [651154075] [2024-11-19 11:16:21,505 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 11:16:21,506 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-19 11:16:21,506 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 11:16:21,507 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-19 11:16:21,507 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2024-11-19 11:16:21,507 INFO L87 Difference]: Start difference. First operand 126 states and 196 transitions. Second operand has 11 states, 10 states have (on average 10.4) internal successors, (104), 11 states have internal predecessors, (104), 5 states have call successors, (178), 1 states have call predecessors, (178), 2 states have return successors, (178), 5 states have call predecessors, (178), 5 states have call successors, (178) [2024-11-19 11:16:21,941 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 11:16:21,941 INFO L93 Difference]: Finished difference Result 126 states and 196 transitions. [2024-11-19 11:16:21,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-19 11:16:21,942 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 10.4) internal successors, (104), 11 states have internal predecessors, (104), 5 states have call successors, (178), 1 states have call predecessors, (178), 2 states have return successors, (178), 5 states have call predecessors, (178), 5 states have call successors, (178) Word has length 367 [2024-11-19 11:16:21,942 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 11:16:21,943 INFO L225 Difference]: With dead ends: 126 [2024-11-19 11:16:21,943 INFO L226 Difference]: Without dead ends: 125 [2024-11-19 11:16:21,943 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 741 GetRequests, 730 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2024-11-19 11:16:21,944 INFO L432 NwaCegarLoop]: 119 mSDtfsCounter, 24 mSDsluCounter, 564 mSDsCounter, 0 mSdLazyCounter, 775 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 683 SdHoareTripleChecker+Invalid, 775 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 775 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-19 11:16:21,944 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [24 Valid, 683 Invalid, 775 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 775 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-19 11:16:21,945 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2024-11-19 11:16:21,963 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 125. [2024-11-19 11:16:21,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 125 states, 54 states have (on average 1.1296296296296295) internal successors, (61), 56 states have internal predecessors, (61), 67 states have call successors, (67), 1 states have call predecessors, (67), 1 states have return successors, (67), 67 states have call predecessors, (67), 67 states have call successors, (67) [2024-11-19 11:16:21,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 195 transitions. [2024-11-19 11:16:21,965 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 195 transitions. Word has length 367 [2024-11-19 11:16:21,965 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 11:16:21,966 INFO L471 AbstractCegarLoop]: Abstraction has 125 states and 195 transitions. [2024-11-19 11:16:21,966 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 10.4) internal successors, (104), 11 states have internal predecessors, (104), 5 states have call successors, (178), 1 states have call predecessors, (178), 2 states have return successors, (178), 5 states have call predecessors, (178), 5 states have call successors, (178) [2024-11-19 11:16:21,966 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 195 transitions. [2024-11-19 11:16:21,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 373 [2024-11-19 11:16:21,968 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 11:16:21,969 INFO L215 NwaCegarLoop]: trace histogram [67, 67, 67, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 11:16:21,988 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2024-11-19 11:16:22,172 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-11-19 11:16:22,173 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-19 11:16:22,174 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 11:16:22,174 INFO L85 PathProgramCache]: Analyzing trace with hash 776466747, now seen corresponding path program 1 times [2024-11-19 11:16:22,174 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 11:16:22,174 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1410603496] [2024-11-19 11:16:22,174 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 11:16:22,175 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 11:16:22,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 11:16:22,376 INFO L134 CoverageAnalysis]: Checked inductivity of 8844 backedges. 30 proven. 168 refuted. 0 times theorem prover too weak. 8646 trivial. 0 not checked. [2024-11-19 11:16:22,376 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 11:16:22,376 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1410603496] [2024-11-19 11:16:22,376 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1410603496] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 11:16:22,377 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [904732336] [2024-11-19 11:16:22,377 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 11:16:22,377 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 11:16:22,377 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 11:16:22,379 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 11:16:22,380 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2024-11-19 11:16:22,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 11:16:22,532 INFO L255 TraceCheckSpWp]: Trace formula consists of 701 conjuncts, 50 conjuncts are in the unsatisfiable core [2024-11-19 11:16:22,538 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 11:16:23,320 INFO L134 CoverageAnalysis]: Checked inductivity of 8844 backedges. 741 proven. 675 refuted. 0 times theorem prover too weak. 7428 trivial. 0 not checked. [2024-11-19 11:16:23,321 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 11:16:24,016 INFO L134 CoverageAnalysis]: Checked inductivity of 8844 backedges. 741 proven. 675 refuted. 0 times theorem prover too weak. 7428 trivial. 0 not checked. [2024-11-19 11:16:24,017 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [904732336] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 11:16:24,017 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 11:16:24,017 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 17, 20] total 37 [2024-11-19 11:16:24,017 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1602521848] [2024-11-19 11:16:24,017 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 11:16:24,018 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 38 states [2024-11-19 11:16:24,018 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 11:16:24,021 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2024-11-19 11:16:24,022 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=138, Invalid=1268, Unknown=0, NotChecked=0, Total=1406 [2024-11-19 11:16:24,023 INFO L87 Difference]: Start difference. First operand 125 states and 195 transitions. Second operand has 38 states, 34 states have (on average 3.264705882352941) internal successors, (111), 35 states have internal predecessors, (111), 19 states have call successors, (191), 1 states have call predecessors, (191), 2 states have return successors, (193), 19 states have call predecessors, (193), 19 states have call successors, (193) [2024-11-19 11:16:25,434 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 11:16:25,435 INFO L93 Difference]: Finished difference Result 137 states and 212 transitions. [2024-11-19 11:16:25,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-11-19 11:16:25,435 INFO L78 Accepts]: Start accepts. Automaton has has 38 states, 34 states have (on average 3.264705882352941) internal successors, (111), 35 states have internal predecessors, (111), 19 states have call successors, (191), 1 states have call predecessors, (191), 2 states have return successors, (193), 19 states have call predecessors, (193), 19 states have call successors, (193) Word has length 372 [2024-11-19 11:16:25,436 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 11:16:25,437 INFO L225 Difference]: With dead ends: 137 [2024-11-19 11:16:25,438 INFO L226 Difference]: Without dead ends: 136 [2024-11-19 11:16:25,439 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 764 GetRequests, 711 SyntacticMatches, 0 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 514 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=383, Invalid=2587, Unknown=0, NotChecked=0, Total=2970 [2024-11-19 11:16:25,439 INFO L432 NwaCegarLoop]: 104 mSDtfsCounter, 161 mSDsluCounter, 1554 mSDsCounter, 0 mSdLazyCounter, 2054 mSolverCounterSat, 73 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 161 SdHoareTripleChecker+Valid, 1658 SdHoareTripleChecker+Invalid, 2127 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 73 IncrementalHoareTripleChecker+Valid, 2054 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-19 11:16:25,440 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [161 Valid, 1658 Invalid, 2127 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [73 Valid, 2054 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-19 11:16:25,440 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136 states. [2024-11-19 11:16:25,463 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136 to 124. [2024-11-19 11:16:25,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 124 states, 54 states have (on average 1.1111111111111112) internal successors, (60), 55 states have internal predecessors, (60), 67 states have call successors, (67), 1 states have call predecessors, (67), 1 states have return successors, (67), 67 states have call predecessors, (67), 67 states have call successors, (67) [2024-11-19 11:16:25,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 194 transitions. [2024-11-19 11:16:25,465 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 194 transitions. Word has length 372 [2024-11-19 11:16:25,466 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 11:16:25,466 INFO L471 AbstractCegarLoop]: Abstraction has 124 states and 194 transitions. [2024-11-19 11:16:25,467 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 38 states, 34 states have (on average 3.264705882352941) internal successors, (111), 35 states have internal predecessors, (111), 19 states have call successors, (191), 1 states have call predecessors, (191), 2 states have return successors, (193), 19 states have call predecessors, (193), 19 states have call successors, (193) [2024-11-19 11:16:25,467 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 194 transitions. [2024-11-19 11:16:25,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 374 [2024-11-19 11:16:25,469 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 11:16:25,469 INFO L215 NwaCegarLoop]: trace histogram [67, 67, 67, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 11:16:25,489 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Ended with exit code 0 [2024-11-19 11:16:25,669 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,19 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 11:16:25,670 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-19 11:16:25,670 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 11:16:25,671 INFO L85 PathProgramCache]: Analyzing trace with hash -1699334427, now seen corresponding path program 1 times [2024-11-19 11:16:25,671 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 11:16:25,671 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [192058920] [2024-11-19 11:16:25,671 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 11:16:25,671 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 11:16:25,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 11:16:25,982 INFO L134 CoverageAnalysis]: Checked inductivity of 8844 backedges. 36 proven. 162 refuted. 0 times theorem prover too weak. 8646 trivial. 0 not checked. [2024-11-19 11:16:25,983 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 11:16:25,983 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [192058920] [2024-11-19 11:16:25,983 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [192058920] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 11:16:25,983 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [144470643] [2024-11-19 11:16:25,983 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 11:16:25,984 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 11:16:25,984 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 11:16:25,985 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 11:16:25,988 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2024-11-19 11:16:26,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 11:16:26,128 INFO L255 TraceCheckSpWp]: Trace formula consists of 702 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-19 11:16:26,133 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 11:16:26,361 INFO L134 CoverageAnalysis]: Checked inductivity of 8844 backedges. 36 proven. 162 refuted. 0 times theorem prover too weak. 8646 trivial. 0 not checked. [2024-11-19 11:16:26,361 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 11:16:26,650 INFO L134 CoverageAnalysis]: Checked inductivity of 8844 backedges. 36 proven. 162 refuted. 0 times theorem prover too weak. 8646 trivial. 0 not checked. [2024-11-19 11:16:26,651 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [144470643] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 11:16:26,651 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 11:16:26,651 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 5, 5] total 14 [2024-11-19 11:16:26,651 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1292442726] [2024-11-19 11:16:26,651 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 11:16:26,652 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-19 11:16:26,652 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 11:16:26,653 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-19 11:16:26,653 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=179, Unknown=0, NotChecked=0, Total=210 [2024-11-19 11:16:26,653 INFO L87 Difference]: Start difference. First operand 124 states and 194 transitions. Second operand has 15 states, 14 states have (on average 7.714285714285714) internal successors, (108), 15 states have internal predecessors, (108), 8 states have call successors, (183), 1 states have call predecessors, (183), 2 states have return successors, (184), 8 states have call predecessors, (184), 8 states have call successors, (184) [2024-11-19 11:16:27,231 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 11:16:27,231 INFO L93 Difference]: Finished difference Result 136 states and 210 transitions. [2024-11-19 11:16:27,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-19 11:16:27,232 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 7.714285714285714) internal successors, (108), 15 states have internal predecessors, (108), 8 states have call successors, (183), 1 states have call predecessors, (183), 2 states have return successors, (184), 8 states have call predecessors, (184), 8 states have call successors, (184) Word has length 373 [2024-11-19 11:16:27,232 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 11:16:27,234 INFO L225 Difference]: With dead ends: 136 [2024-11-19 11:16:27,234 INFO L226 Difference]: Without dead ends: 135 [2024-11-19 11:16:27,234 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 765 GetRequests, 741 SyntacticMatches, 1 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=102, Invalid=498, Unknown=0, NotChecked=0, Total=600 [2024-11-19 11:16:27,235 INFO L432 NwaCegarLoop]: 107 mSDtfsCounter, 53 mSDsluCounter, 898 mSDsCounter, 0 mSdLazyCounter, 949 mSolverCounterSat, 57 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 53 SdHoareTripleChecker+Valid, 1005 SdHoareTripleChecker+Invalid, 1006 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 57 IncrementalHoareTripleChecker+Valid, 949 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-19 11:16:27,236 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [53 Valid, 1005 Invalid, 1006 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [57 Valid, 949 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-19 11:16:27,236 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 135 states. [2024-11-19 11:16:27,258 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 135 to 123. [2024-11-19 11:16:27,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 123 states, 54 states have (on average 1.0925925925925926) internal successors, (59), 54 states have internal predecessors, (59), 67 states have call successors, (67), 1 states have call predecessors, (67), 1 states have return successors, (67), 67 states have call predecessors, (67), 67 states have call successors, (67) [2024-11-19 11:16:27,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 193 transitions. [2024-11-19 11:16:27,260 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 193 transitions. Word has length 373 [2024-11-19 11:16:27,261 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 11:16:27,261 INFO L471 AbstractCegarLoop]: Abstraction has 123 states and 193 transitions. [2024-11-19 11:16:27,261 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 7.714285714285714) internal successors, (108), 15 states have internal predecessors, (108), 8 states have call successors, (183), 1 states have call predecessors, (183), 2 states have return successors, (184), 8 states have call predecessors, (184), 8 states have call successors, (184) [2024-11-19 11:16:27,262 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 193 transitions. [2024-11-19 11:16:27,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 377 [2024-11-19 11:16:27,264 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 11:16:27,264 INFO L215 NwaCegarLoop]: trace histogram [67, 67, 67, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 11:16:27,282 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Ended with exit code 0 [2024-11-19 11:16:27,464 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,20 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 11:16:27,465 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-19 11:16:27,465 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 11:16:27,466 INFO L85 PathProgramCache]: Analyzing trace with hash -92201118, now seen corresponding path program 1 times [2024-11-19 11:16:27,466 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 11:16:27,466 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1981902714] [2024-11-19 11:16:27,466 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 11:16:27,466 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 11:16:27,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 11:16:27,676 INFO L134 CoverageAnalysis]: Checked inductivity of 8844 backedges. 30 proven. 168 refuted. 0 times theorem prover too weak. 8646 trivial. 0 not checked. [2024-11-19 11:16:27,676 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 11:16:27,676 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1981902714] [2024-11-19 11:16:27,677 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1981902714] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 11:16:27,677 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1180271722] [2024-11-19 11:16:27,677 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 11:16:27,677 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 11:16:27,677 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 11:16:27,679 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 11:16:27,680 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2024-11-19 11:16:27,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 11:16:27,818 INFO L255 TraceCheckSpWp]: Trace formula consists of 707 conjuncts, 51 conjuncts are in the unsatisfiable core [2024-11-19 11:16:27,823 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 11:16:28,582 INFO L134 CoverageAnalysis]: Checked inductivity of 8844 backedges. 741 proven. 675 refuted. 0 times theorem prover too weak. 7428 trivial. 0 not checked. [2024-11-19 11:16:28,583 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 11:16:29,376 INFO L134 CoverageAnalysis]: Checked inductivity of 8844 backedges. 741 proven. 675 refuted. 0 times theorem prover too weak. 7428 trivial. 0 not checked. [2024-11-19 11:16:29,377 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1180271722] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 11:16:29,377 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 11:16:29,377 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 18, 21] total 38 [2024-11-19 11:16:29,377 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2037685350] [2024-11-19 11:16:29,377 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 11:16:29,378 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 39 states [2024-11-19 11:16:29,378 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 11:16:29,379 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2024-11-19 11:16:29,379 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=136, Invalid=1346, Unknown=0, NotChecked=0, Total=1482 [2024-11-19 11:16:29,380 INFO L87 Difference]: Start difference. First operand 123 states and 193 transitions. Second operand has 39 states, 35 states have (on average 3.3714285714285714) internal successors, (118), 38 states have internal predecessors, (118), 19 states have call successors, (191), 1 states have call predecessors, (191), 2 states have return successors, (193), 18 states have call predecessors, (193), 19 states have call successors, (193) [2024-11-19 11:16:30,583 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 11:16:30,583 INFO L93 Difference]: Finished difference Result 135 states and 208 transitions. [2024-11-19 11:16:30,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-11-19 11:16:30,584 INFO L78 Accepts]: Start accepts. Automaton has has 39 states, 35 states have (on average 3.3714285714285714) internal successors, (118), 38 states have internal predecessors, (118), 19 states have call successors, (191), 1 states have call predecessors, (191), 2 states have return successors, (193), 18 states have call predecessors, (193), 19 states have call successors, (193) Word has length 376 [2024-11-19 11:16:30,585 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 11:16:30,586 INFO L225 Difference]: With dead ends: 135 [2024-11-19 11:16:30,586 INFO L226 Difference]: Without dead ends: 0 [2024-11-19 11:16:30,588 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 773 GetRequests, 718 SyntacticMatches, 1 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 525 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=365, Invalid=2715, Unknown=0, NotChecked=0, Total=3080 [2024-11-19 11:16:30,588 INFO L432 NwaCegarLoop]: 101 mSDtfsCounter, 177 mSDsluCounter, 1543 mSDsCounter, 0 mSdLazyCounter, 1731 mSolverCounterSat, 129 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 177 SdHoareTripleChecker+Valid, 1644 SdHoareTripleChecker+Invalid, 1860 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 129 IncrementalHoareTripleChecker+Valid, 1731 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-19 11:16:30,589 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [177 Valid, 1644 Invalid, 1860 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [129 Valid, 1731 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-19 11:16:30,589 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-19 11:16:30,589 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-19 11:16:30,589 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) [2024-11-19 11:16:30,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-19 11:16:30,590 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 376 [2024-11-19 11:16:30,590 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 11:16:30,590 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-19 11:16:30,591 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 39 states, 35 states have (on average 3.3714285714285714) internal successors, (118), 38 states have internal predecessors, (118), 19 states have call successors, (191), 1 states have call predecessors, (191), 2 states have return successors, (193), 18 states have call predecessors, (193), 19 states have call successors, (193) [2024-11-19 11:16:30,591 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-19 11:16:30,591 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-19 11:16:30,594 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (23 of 24 remaining) [2024-11-19 11:16:30,596 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (22 of 24 remaining) [2024-11-19 11:16:30,596 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (21 of 24 remaining) [2024-11-19 11:16:30,596 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (20 of 24 remaining) [2024-11-19 11:16:30,596 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 24 remaining) [2024-11-19 11:16:30,597 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 24 remaining) [2024-11-19 11:16:30,597 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 24 remaining) [2024-11-19 11:16:30,597 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 24 remaining) [2024-11-19 11:16:30,597 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 24 remaining) [2024-11-19 11:16:30,597 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 24 remaining) [2024-11-19 11:16:30,597 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 24 remaining) [2024-11-19 11:16:30,597 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 24 remaining) [2024-11-19 11:16:30,597 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 24 remaining) [2024-11-19 11:16:30,597 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 24 remaining) [2024-11-19 11:16:30,598 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 24 remaining) [2024-11-19 11:16:30,598 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 24 remaining) [2024-11-19 11:16:30,598 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 24 remaining) [2024-11-19 11:16:30,598 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 24 remaining) [2024-11-19 11:16:30,598 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 24 remaining) [2024-11-19 11:16:30,598 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 24 remaining) [2024-11-19 11:16:30,598 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 24 remaining) [2024-11-19 11:16:30,598 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 24 remaining) [2024-11-19 11:16:30,598 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 24 remaining) [2024-11-19 11:16:30,598 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 24 remaining) [2024-11-19 11:16:30,612 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Forceful destruction successful, exit code 0 [2024-11-19 11:16:30,799 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable20 [2024-11-19 11:16:30,802 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 11:16:30,803 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-19 11:16:34,789 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-19 11:16:34,810 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 11:16:34 BoogieIcfgContainer [2024-11-19 11:16:34,810 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-19 11:16:34,811 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-19 11:16:34,811 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-19 11:16:34,811 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-19 11:16:34,812 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 11:15:42" (3/4) ... [2024-11-19 11:16:34,814 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-19 11:16:34,818 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume [2024-11-19 11:16:34,831 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2024-11-19 11:16:34,832 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-19 11:16:34,832 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-19 11:16:34,833 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-19 11:16:34,942 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-19 11:16:34,945 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-19 11:16:34,945 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-19 11:16:34,945 INFO L158 Benchmark]: Toolchain (without parser) took 53202.64ms. Allocated memory was 140.5MB in the beginning and 539.0MB in the end (delta: 398.5MB). Free memory was 71.4MB in the beginning and 282.6MB in the end (delta: -211.2MB). Peak memory consumption was 188.6MB. Max. memory is 16.1GB. [2024-11-19 11:16:34,946 INFO L158 Benchmark]: CDTParser took 0.91ms. Allocated memory is still 140.5MB. Free memory is still 97.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-19 11:16:34,946 INFO L158 Benchmark]: CACSL2BoogieTranslator took 352.94ms. Allocated memory is still 140.5MB. Free memory was 71.2MB in the beginning and 109.4MB in the end (delta: -38.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-19 11:16:34,946 INFO L158 Benchmark]: Boogie Procedure Inliner took 64.50ms. Allocated memory is still 140.5MB. Free memory was 109.4MB in the beginning and 106.8MB in the end (delta: 2.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-19 11:16:34,946 INFO L158 Benchmark]: Boogie Preprocessor took 65.63ms. Allocated memory is still 140.5MB. Free memory was 106.8MB in the beginning and 104.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-19 11:16:34,946 INFO L158 Benchmark]: RCFGBuilder took 513.12ms. Allocated memory is still 140.5MB. Free memory was 104.8MB in the beginning and 82.2MB in the end (delta: 22.6MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-11-19 11:16:34,947 INFO L158 Benchmark]: TraceAbstraction took 52065.70ms. Allocated memory was 140.5MB in the beginning and 539.0MB in the end (delta: 398.5MB). Free memory was 81.2MB in the beginning and 289.9MB in the end (delta: -208.7MB). Peak memory consumption was 299.8MB. Max. memory is 16.1GB. [2024-11-19 11:16:34,947 INFO L158 Benchmark]: Witness Printer took 134.32ms. Allocated memory is still 539.0MB. Free memory was 289.9MB in the beginning and 282.6MB in the end (delta: 7.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-19 11:16:34,948 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.91ms. Allocated memory is still 140.5MB. Free memory is still 97.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 352.94ms. Allocated memory is still 140.5MB. Free memory was 71.2MB in the beginning and 109.4MB in the end (delta: -38.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 64.50ms. Allocated memory is still 140.5MB. Free memory was 109.4MB in the beginning and 106.8MB in the end (delta: 2.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 65.63ms. Allocated memory is still 140.5MB. Free memory was 106.8MB in the beginning and 104.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 513.12ms. Allocated memory is still 140.5MB. Free memory was 104.8MB in the beginning and 82.2MB in the end (delta: 22.6MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * TraceAbstraction took 52065.70ms. Allocated memory was 140.5MB in the beginning and 539.0MB in the end (delta: 398.5MB). Free memory was 81.2MB in the beginning and 289.9MB in the end (delta: -208.7MB). Peak memory consumption was 299.8MB. Max. memory is 16.1GB. * Witness Printer took 134.32ms. Allocated memory is still 539.0MB. Free memory was 289.9MB in the beginning and 282.6MB in the end (delta: 7.3MB). Peak memory consumption was 8.4MB. 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: 117]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 117]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 118]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 118]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 120]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 120]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 121]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 121]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 123]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 123]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 124]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 124]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 126]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 126]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 127]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 127]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 129]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 129]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 130]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 130]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 132]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 132]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 133]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 133]: 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, 153 locations, 24 error locations. Started 1 CEGAR loops. OverallTime: 48.0s, OverallIterations: 21, TraceHistogramMax: 67, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 14.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1036 SdHoareTripleChecker+Valid, 10.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1035 mSDsluCounter, 19346 SdHoareTripleChecker+Invalid, 9.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 16595 mSDsCounter, 949 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 17606 IncrementalHoareTripleChecker+Invalid, 18555 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 949 mSolverCounterUnsat, 2751 mSDtfsCounter, 17606 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 13900 GetRequests, 13476 SyntacticMatches, 14 SemanticMatches, 410 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3152 ImplicationChecksByTransitivity, 6.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=153occurred in iteration=0, InterpolantAutomatonStates: 232, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 21 MinimizatonAttempts, 76 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.6s SsaConstructionTime, 2.2s SatisfiabilityAnalysisTime, 25.2s InterpolantComputationTime, 14358 NumberOfCodeBlocks, 14358 NumberOfCodeBlocksAsserted, 41 NumberOfCheckSat, 20985 ConstructedInterpolants, 0 QuantifiedInterpolants, 53431 SizeOfPredicates, 73 NumberOfNonLiveVariables, 13147 ConjunctsInSsa, 365 ConjunctsInUnsatCore, 60 InterpolantComputations, 2 PerfectInterpolantSequences, 474964/491088 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 24 specifications checked. All of them hold - ProcedureContractResult [Line: 19]: Procedure Contract for assume Derived contract for procedure assume. Ensures: (cond != 0) RESULT: Ultimate proved your program to be correct! [2024-11-19 11:16:34,986 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE