./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/xcsp/AllInterval-008.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-008.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 8f1a1519dc3ac954bb27ae35f40dd4ee3500f707e2df097fc14441b899353328 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-3061b6d-m [2024-11-19 11:15:40,920 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-19 11:15:41,000 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-19 11:15:41,006 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-19 11:15:41,009 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-19 11:15:41,040 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-19 11:15:41,041 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-19 11:15:41,041 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-19 11:15:41,042 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-19 11:15:41,042 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-19 11:15:41,043 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-19 11:15:41,043 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-19 11:15:41,044 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-19 11:15:41,046 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-19 11:15:41,046 INFO L153 SettingsManager]: * Use SBE=true [2024-11-19 11:15:41,047 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-19 11:15:41,047 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-19 11:15:41,047 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-19 11:15:41,048 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-19 11:15:41,048 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-19 11:15:41,052 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-19 11:15:41,052 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-19 11:15:41,053 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-19 11:15:41,053 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-19 11:15:41,053 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-19 11:15:41,053 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-19 11:15:41,053 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-19 11:15:41,054 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-19 11:15:41,054 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-19 11:15:41,054 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-19 11:15:41,054 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-19 11:15:41,055 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-19 11:15:41,055 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-19 11:15:41,055 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-19 11:15:41,055 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 11:15:41,056 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-19 11:15:41,056 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-19 11:15:41,058 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-19 11:15:41,058 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-19 11:15:41,059 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-19 11:15:41,059 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-19 11:15:41,059 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-19 11:15:41,059 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-19 11:15:41,060 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-19 11:15:41,061 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8f1a1519dc3ac954bb27ae35f40dd4ee3500f707e2df097fc14441b899353328 [2024-11-19 11:15:41,300 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-19 11:15:41,325 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-19 11:15:41,328 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-19 11:15:41,329 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-19 11:15:41,330 INFO L274 PluginConnector]: CDTParser initialized [2024-11-19 11:15:41,331 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/xcsp/AllInterval-008.c [2024-11-19 11:15:42,844 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-19 11:15:43,070 INFO L384 CDTParser]: Found 1 translation units. [2024-11-19 11:15:43,071 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/xcsp/AllInterval-008.c [2024-11-19 11:15:43,083 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/87ace525c/6a210dffcadc459b8a07630273be9590/FLAGc4ca2d8f8 [2024-11-19 11:15:43,099 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/87ace525c/6a210dffcadc459b8a07630273be9590 [2024-11-19 11:15:43,103 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-19 11:15:43,105 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-19 11:15:43,107 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-19 11:15:43,108 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-19 11:15:43,114 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-19 11:15:43,115 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 11:15:43" (1/1) ... [2024-11-19 11:15:43,117 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@19ec1963 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:15:43, skipping insertion in model container [2024-11-19 11:15:43,118 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 11:15:43" (1/1) ... [2024-11-19 11:15:43,153 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-19 11:15:43,363 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 11:15:43,378 INFO L200 MainTranslator]: Completed pre-run [2024-11-19 11:15:43,407 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 11:15:43,425 INFO L204 MainTranslator]: Completed translation [2024-11-19 11:15:43,425 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:15:43 WrapperNode [2024-11-19 11:15:43,426 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-19 11:15:43,427 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-19 11:15:43,427 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-19 11:15:43,427 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-19 11:15:43,435 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:15:43" (1/1) ... [2024-11-19 11:15:43,445 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:15:43" (1/1) ... [2024-11-19 11:15:43,484 INFO L138 Inliner]: procedures = 13, calls = 94, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 249 [2024-11-19 11:15:43,484 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-19 11:15:43,485 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-19 11:15:43,485 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-19 11:15:43,486 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-19 11:15:43,496 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:15:43" (1/1) ... [2024-11-19 11:15:43,496 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:15:43" (1/1) ... [2024-11-19 11:15:43,499 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:15:43" (1/1) ... [2024-11-19 11:15:43,526 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 11:15:43,526 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:15:43" (1/1) ... [2024-11-19 11:15:43,526 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:15:43" (1/1) ... [2024-11-19 11:15:43,531 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:15:43" (1/1) ... [2024-11-19 11:15:43,533 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:15:43" (1/1) ... [2024-11-19 11:15:43,534 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:15:43" (1/1) ... [2024-11-19 11:15:43,535 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:15:43" (1/1) ... [2024-11-19 11:15:43,537 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-19 11:15:43,538 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-19 11:15:43,538 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-19 11:15:43,538 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-19 11:15:43,543 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:15:43" (1/1) ... [2024-11-19 11:15:43,551 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 11:15:43,580 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 11:15:43,593 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 11:15:43,595 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 11:15:43,635 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-19 11:15:43,635 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-19 11:15:43,635 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-19 11:15:43,635 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-19 11:15:43,636 INFO L130 BoogieDeclarations]: Found specification of procedure assume [2024-11-19 11:15:43,636 INFO L138 BoogieDeclarations]: Found implementation of procedure assume [2024-11-19 11:15:43,701 INFO L238 CfgBuilder]: Building ICFG [2024-11-19 11:15:43,704 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-19 11:15:44,077 INFO L? ?]: Removed 69 outVars from TransFormulas that were not future-live. [2024-11-19 11:15:44,078 INFO L287 CfgBuilder]: Performing block encoding [2024-11-19 11:15:44,111 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-19 11:15:44,111 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-19 11:15:44,112 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 11:15:44 BoogieIcfgContainer [2024-11-19 11:15:44,112 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-19 11:15:44,116 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-19 11:15:44,117 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-19 11:15:44,120 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-19 11:15:44,120 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 11:15:43" (1/3) ... [2024-11-19 11:15:44,121 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6bb8cf82 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 11:15:44, skipping insertion in model container [2024-11-19 11:15:44,121 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:15:43" (2/3) ... [2024-11-19 11:15:44,121 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6bb8cf82 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 11:15:44, skipping insertion in model container [2024-11-19 11:15:44,122 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 11:15:44" (3/3) ... [2024-11-19 11:15:44,123 INFO L112 eAbstractionObserver]: Analyzing ICFG AllInterval-008.c [2024-11-19 11:15:44,145 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-19 11:15:44,145 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 28 error locations. [2024-11-19 11:15:44,210 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-19 11:15:44,218 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;@e4ab241, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-19 11:15:44,219 INFO L334 AbstractCegarLoop]: Starting to check reachability of 28 error locations. [2024-11-19 11:15:44,224 INFO L276 IsEmpty]: Start isEmpty. Operand has 183 states, 67 states have (on average 1.537313432835821) internal successors, (103), 95 states have internal predecessors, (103), 86 states have call successors, (86), 1 states have call predecessors, (86), 1 states have return successors, (86), 86 states have call predecessors, (86), 86 states have call successors, (86) [2024-11-19 11:15:44,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 415 [2024-11-19 11:15:44,247 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 11:15:44,249 INFO L215 NwaCegarLoop]: trace histogram [79, 79, 79, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:15:44,249 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-19 11:15:44,255 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 11:15:44,256 INFO L85 PathProgramCache]: Analyzing trace with hash 177282443, now seen corresponding path program 1 times [2024-11-19 11:15:44,265 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 11:15:44,265 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1517655121] [2024-11-19 11:15:44,266 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 11:15:44,267 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 11:15:44,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 11:15:44,798 INFO L134 CoverageAnalysis]: Checked inductivity of 12324 backedges. 0 proven. 156 refuted. 0 times theorem prover too weak. 12168 trivial. 0 not checked. [2024-11-19 11:15:44,799 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 11:15:44,799 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1517655121] [2024-11-19 11:15:44,800 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1517655121] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 11:15:44,801 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [735628105] [2024-11-19 11:15:44,801 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 11:15:44,801 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 11:15:44,801 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 11:15:44,804 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 11:15:44,808 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 11:15:45,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 11:15:45,039 INFO L255 TraceCheckSpWp]: Trace formula consists of 768 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-19 11:15:45,064 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 11:15:45,211 INFO L134 CoverageAnalysis]: Checked inductivity of 12324 backedges. 156 proven. 0 refuted. 0 times theorem prover too weak. 12168 trivial. 0 not checked. [2024-11-19 11:15:45,216 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 11:15:45,217 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [735628105] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 11:15:45,217 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-19 11:15:45,217 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-11-19 11:15:45,220 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [268052677] [2024-11-19 11:15:45,226 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 11:15:45,236 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-19 11:15:45,236 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 11:15:45,317 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-19 11:15:45,318 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-19 11:15:45,325 INFO L87 Difference]: Start difference. First operand has 183 states, 67 states have (on average 1.537313432835821) internal successors, (103), 95 states have internal predecessors, (103), 86 states have call successors, (86), 1 states have call predecessors, (86), 1 states have return successors, (86), 86 states have call predecessors, (86), 86 states have call successors, (86) Second operand has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 2 states have call successors, (79), 2 states have call predecessors, (79), 1 states have return successors, (79), 1 states have call predecessors, (79), 2 states have call successors, (79) [2024-11-19 11:15:45,390 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 11:15:45,390 INFO L93 Difference]: Finished difference Result 359 states and 629 transitions. [2024-11-19 11:15:45,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-19 11:15:45,394 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 2 states have call successors, (79), 2 states have call predecessors, (79), 1 states have return successors, (79), 1 states have call predecessors, (79), 2 states have call successors, (79) Word has length 414 [2024-11-19 11:15:45,395 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 11:15:45,404 INFO L225 Difference]: With dead ends: 359 [2024-11-19 11:15:45,405 INFO L226 Difference]: Without dead ends: 176 [2024-11-19 11:15:45,414 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 415 GetRequests, 415 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 11:15:45,418 INFO L432 NwaCegarLoop]: 270 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, 270 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 11:15:45,419 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 270 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 11:15:45,436 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 176 states. [2024-11-19 11:15:45,488 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 176 to 176. [2024-11-19 11:15:45,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 176 states, 62 states have (on average 1.532258064516129) internal successors, (95), 89 states have internal predecessors, (95), 85 states have call successors, (85), 1 states have call predecessors, (85), 1 states have return successors, (85), 85 states have call predecessors, (85), 85 states have call successors, (85) [2024-11-19 11:15:45,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 176 states and 265 transitions. [2024-11-19 11:15:45,497 INFO L78 Accepts]: Start accepts. Automaton has 176 states and 265 transitions. Word has length 414 [2024-11-19 11:15:45,497 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 11:15:45,497 INFO L471 AbstractCegarLoop]: Abstraction has 176 states and 265 transitions. [2024-11-19 11:15:45,498 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 2 states have call successors, (79), 2 states have call predecessors, (79), 1 states have return successors, (79), 1 states have call predecessors, (79), 2 states have call successors, (79) [2024-11-19 11:15:45,498 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 265 transitions. [2024-11-19 11:15:45,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 415 [2024-11-19 11:15:45,506 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 11:15:45,507 INFO L215 NwaCegarLoop]: trace histogram [79, 79, 79, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:15:45,525 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 11:15:45,707 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 11:15:45,709 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-19 11:15:45,709 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 11:15:45,710 INFO L85 PathProgramCache]: Analyzing trace with hash -1033156659, now seen corresponding path program 1 times [2024-11-19 11:15:45,710 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 11:15:45,710 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [984405491] [2024-11-19 11:15:45,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 11:15:45,711 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 11:15:45,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 11:15:46,809 INFO L134 CoverageAnalysis]: Checked inductivity of 12324 backedges. 6 proven. 456 refuted. 0 times theorem prover too weak. 11862 trivial. 0 not checked. [2024-11-19 11:15:46,810 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 11:15:46,811 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [984405491] [2024-11-19 11:15:46,811 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [984405491] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 11:15:46,811 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [586591003] [2024-11-19 11:15:46,811 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 11:15:46,812 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 11:15:46,812 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 11:15:46,814 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 11:15:46,816 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 11:15:47,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 11:15:47,028 INFO L255 TraceCheckSpWp]: Trace formula consists of 768 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-19 11:15:47,037 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 11:15:47,689 INFO L134 CoverageAnalysis]: Checked inductivity of 12324 backedges. 0 proven. 234 refuted. 0 times theorem prover too weak. 12090 trivial. 0 not checked. [2024-11-19 11:15:47,690 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 11:15:48,213 INFO L134 CoverageAnalysis]: Checked inductivity of 12324 backedges. 0 proven. 234 refuted. 0 times theorem prover too weak. 12090 trivial. 0 not checked. [2024-11-19 11:15:48,214 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [586591003] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 11:15:48,214 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 11:15:48,214 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 9 [2024-11-19 11:15:48,215 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [791850922] [2024-11-19 11:15:48,216 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 11:15:48,218 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-19 11:15:48,218 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 11:15:48,223 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-19 11:15:48,223 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2024-11-19 11:15:48,224 INFO L87 Difference]: Start difference. First operand 176 states and 265 transitions. Second operand has 10 states, 9 states have (on average 6.777777777777778) internal successors, (61), 9 states have internal predecessors, (61), 6 states have call successors, (234), 1 states have call predecessors, (234), 2 states have return successors, (235), 5 states have call predecessors, (235), 6 states have call successors, (235) [2024-11-19 11:15:48,831 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 11:15:48,832 INFO L93 Difference]: Finished difference Result 176 states and 265 transitions. [2024-11-19 11:15:48,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-19 11:15:48,833 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 6.777777777777778) internal successors, (61), 9 states have internal predecessors, (61), 6 states have call successors, (234), 1 states have call predecessors, (234), 2 states have return successors, (235), 5 states have call predecessors, (235), 6 states have call successors, (235) Word has length 414 [2024-11-19 11:15:48,836 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 11:15:48,839 INFO L225 Difference]: With dead ends: 176 [2024-11-19 11:15:48,839 INFO L226 Difference]: Without dead ends: 175 [2024-11-19 11:15:48,839 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 834 GetRequests, 825 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 11:15:48,842 INFO L432 NwaCegarLoop]: 175 mSDtfsCounter, 4 mSDsluCounter, 731 mSDsCounter, 0 mSdLazyCounter, 654 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 906 SdHoareTripleChecker+Invalid, 654 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 654 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-19 11:15:48,844 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 906 Invalid, 654 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 654 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-19 11:15:48,845 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 175 states. [2024-11-19 11:15:48,876 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 175 to 175. [2024-11-19 11:15:48,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 175 states, 62 states have (on average 1.5161290322580645) internal successors, (94), 88 states have internal predecessors, (94), 85 states have call successors, (85), 1 states have call predecessors, (85), 1 states have return successors, (85), 85 states have call predecessors, (85), 85 states have call successors, (85) [2024-11-19 11:15:48,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 175 states and 264 transitions. [2024-11-19 11:15:48,881 INFO L78 Accepts]: Start accepts. Automaton has 175 states and 264 transitions. Word has length 414 [2024-11-19 11:15:48,884 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 11:15:48,884 INFO L471 AbstractCegarLoop]: Abstraction has 175 states and 264 transitions. [2024-11-19 11:15:48,885 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 6.777777777777778) internal successors, (61), 9 states have internal predecessors, (61), 6 states have call successors, (234), 1 states have call predecessors, (234), 2 states have return successors, (235), 5 states have call predecessors, (235), 6 states have call successors, (235) [2024-11-19 11:15:48,885 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 264 transitions. [2024-11-19 11:15:48,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 416 [2024-11-19 11:15:48,892 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 11:15:48,892 INFO L215 NwaCegarLoop]: trace histogram [79, 79, 79, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:15:48,912 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 11:15:49,096 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 11:15:49,097 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-19 11:15:49,098 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 11:15:49,098 INFO L85 PathProgramCache]: Analyzing trace with hash -1963085226, now seen corresponding path program 1 times [2024-11-19 11:15:49,098 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 11:15:49,098 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [710304089] [2024-11-19 11:15:49,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 11:15:49,099 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 11:15:49,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 11:15:49,507 INFO L134 CoverageAnalysis]: Checked inductivity of 12324 backedges. 6 proven. 228 refuted. 0 times theorem prover too weak. 12090 trivial. 0 not checked. [2024-11-19 11:15:49,508 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 11:15:49,508 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [710304089] [2024-11-19 11:15:49,508 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [710304089] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 11:15:49,508 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1594112882] [2024-11-19 11:15:49,508 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 11:15:49,509 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 11:15:49,509 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 11:15:49,512 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 11:15:49,514 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 11:15:49,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 11:15:49,678 INFO L255 TraceCheckSpWp]: Trace formula consists of 769 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-19 11:15:49,689 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 11:15:50,033 INFO L134 CoverageAnalysis]: Checked inductivity of 12324 backedges. 6 proven. 228 refuted. 0 times theorem prover too weak. 12090 trivial. 0 not checked. [2024-11-19 11:15:50,033 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 11:15:50,484 INFO L134 CoverageAnalysis]: Checked inductivity of 12324 backedges. 6 proven. 228 refuted. 0 times theorem prover too weak. 12090 trivial. 0 not checked. [2024-11-19 11:15:50,484 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1594112882] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 11:15:50,485 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 11:15:50,485 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 7 [2024-11-19 11:15:50,485 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [173007143] [2024-11-19 11:15:50,485 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 11:15:50,487 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-19 11:15:50,487 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 11:15:50,488 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-19 11:15:50,488 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-11-19 11:15:50,488 INFO L87 Difference]: Start difference. First operand 175 states and 264 transitions. Second operand has 8 states, 7 states have (on average 6.428571428571429) internal successors, (45), 8 states have internal predecessors, (45), 3 states have call successors, (155), 1 states have call predecessors, (155), 2 states have return successors, (156), 3 states have call predecessors, (156), 3 states have call successors, (156) [2024-11-19 11:15:51,011 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 11:15:51,013 INFO L93 Difference]: Finished difference Result 175 states and 264 transitions. [2024-11-19 11:15:51,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-19 11:15:51,014 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 6.428571428571429) internal successors, (45), 8 states have internal predecessors, (45), 3 states have call successors, (155), 1 states have call predecessors, (155), 2 states have return successors, (156), 3 states have call predecessors, (156), 3 states have call successors, (156) Word has length 415 [2024-11-19 11:15:51,015 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 11:15:51,017 INFO L225 Difference]: With dead ends: 175 [2024-11-19 11:15:51,021 INFO L226 Difference]: Without dead ends: 174 [2024-11-19 11:15:51,022 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 833 GetRequests, 826 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 11:15:51,023 INFO L432 NwaCegarLoop]: 175 mSDtfsCounter, 0 mSDsluCounter, 577 mSDsCounter, 0 mSdLazyCounter, 630 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 752 SdHoareTripleChecker+Invalid, 630 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 630 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-19 11:15:51,025 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 752 Invalid, 630 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 630 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-19 11:15:51,026 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 174 states. [2024-11-19 11:15:51,058 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 174 to 174. [2024-11-19 11:15:51,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 174 states, 62 states have (on average 1.5) internal successors, (93), 87 states have internal predecessors, (93), 85 states have call successors, (85), 1 states have call predecessors, (85), 1 states have return successors, (85), 85 states have call predecessors, (85), 85 states have call successors, (85) [2024-11-19 11:15:51,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 174 states and 263 transitions. [2024-11-19 11:15:51,063 INFO L78 Accepts]: Start accepts. Automaton has 174 states and 263 transitions. Word has length 415 [2024-11-19 11:15:51,064 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 11:15:51,065 INFO L471 AbstractCegarLoop]: Abstraction has 174 states and 263 transitions. [2024-11-19 11:15:51,065 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 6.428571428571429) internal successors, (45), 8 states have internal predecessors, (45), 3 states have call successors, (155), 1 states have call predecessors, (155), 2 states have return successors, (156), 3 states have call predecessors, (156), 3 states have call successors, (156) [2024-11-19 11:15:51,065 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 263 transitions. [2024-11-19 11:15:51,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 418 [2024-11-19 11:15:51,068 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 11:15:51,069 INFO L215 NwaCegarLoop]: trace histogram [79, 79, 79, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:15:51,087 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-19 11:15:51,269 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 11:15:51,270 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-19 11:15:51,270 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 11:15:51,271 INFO L85 PathProgramCache]: Analyzing trace with hash -1034254888, now seen corresponding path program 1 times [2024-11-19 11:15:51,271 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 11:15:51,271 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [727504204] [2024-11-19 11:15:51,271 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 11:15:51,271 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 11:15:51,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 11:15:51,441 INFO L134 CoverageAnalysis]: Checked inductivity of 12324 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12324 trivial. 0 not checked. [2024-11-19 11:15:51,442 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 11:15:51,442 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [727504204] [2024-11-19 11:15:51,442 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [727504204] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 11:15:51,442 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 11:15:51,443 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 11:15:51,443 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [79371609] [2024-11-19 11:15:51,443 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 11:15:51,444 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 11:15:51,444 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 11:15:51,445 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 11:15:51,445 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 11:15:51,445 INFO L87 Difference]: Start difference. First operand 174 states and 263 transitions. Second operand has 3 states, 2 states have (on average 12.5) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (79), 1 states have call predecessors, (79), 1 states have return successors, (79), 1 states have call predecessors, (79), 1 states have call successors, (79) [2024-11-19 11:15:51,524 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 11:15:51,524 INFO L93 Difference]: Finished difference Result 174 states and 263 transitions. [2024-11-19 11:15:51,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 11:15:51,525 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 12.5) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (79), 1 states have call predecessors, (79), 1 states have return successors, (79), 1 states have call predecessors, (79), 1 states have call successors, (79) Word has length 417 [2024-11-19 11:15:51,528 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 11:15:51,532 INFO L225 Difference]: With dead ends: 174 [2024-11-19 11:15:51,533 INFO L226 Difference]: Without dead ends: 167 [2024-11-19 11:15:51,533 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 11:15:51,534 INFO L432 NwaCegarLoop]: 236 mSDtfsCounter, 7 mSDsluCounter, 208 mSDsCounter, 0 mSdLazyCounter, 54 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 444 SdHoareTripleChecker+Invalid, 66 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 54 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 11:15:51,535 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 444 Invalid, 66 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 54 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 11:15:51,535 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 167 states. [2024-11-19 11:15:51,565 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 167 to 167. [2024-11-19 11:15:51,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 167 states, 62 states have (on average 1.3870967741935485) internal successors, (86), 80 states have internal predecessors, (86), 85 states have call successors, (85), 1 states have call predecessors, (85), 1 states have return successors, (85), 85 states have call predecessors, (85), 85 states have call successors, (85) [2024-11-19 11:15:51,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 167 states and 256 transitions. [2024-11-19 11:15:51,569 INFO L78 Accepts]: Start accepts. Automaton has 167 states and 256 transitions. Word has length 417 [2024-11-19 11:15:51,569 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 11:15:51,570 INFO L471 AbstractCegarLoop]: Abstraction has 167 states and 256 transitions. [2024-11-19 11:15:51,570 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 12.5) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (79), 1 states have call predecessors, (79), 1 states have return successors, (79), 1 states have call predecessors, (79), 1 states have call successors, (79) [2024-11-19 11:15:51,570 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 256 transitions. [2024-11-19 11:15:51,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 419 [2024-11-19 11:15:51,574 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 11:15:51,574 INFO L215 NwaCegarLoop]: trace histogram [79, 79, 79, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:15:51,575 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-19 11:15:51,575 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-19 11:15:51,575 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 11:15:51,576 INFO L85 PathProgramCache]: Analyzing trace with hash -1997130316, now seen corresponding path program 1 times [2024-11-19 11:15:51,576 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 11:15:51,576 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [504660773] [2024-11-19 11:15:51,576 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 11:15:51,576 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 11:15:51,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 11:15:52,063 INFO L134 CoverageAnalysis]: Checked inductivity of 12324 backedges. 6 proven. 456 refuted. 0 times theorem prover too weak. 11862 trivial. 0 not checked. [2024-11-19 11:15:52,063 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 11:15:52,063 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [504660773] [2024-11-19 11:15:52,063 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [504660773] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 11:15:52,064 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [6861450] [2024-11-19 11:15:52,064 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 11:15:52,064 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 11:15:52,064 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 11:15:52,066 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 11:15:52,068 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 11:15:52,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 11:15:52,242 INFO L255 TraceCheckSpWp]: Trace formula consists of 774 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-19 11:15:52,248 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 11:15:52,604 INFO L134 CoverageAnalysis]: Checked inductivity of 12324 backedges. 0 proven. 234 refuted. 0 times theorem prover too weak. 12090 trivial. 0 not checked. [2024-11-19 11:15:52,605 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 11:15:53,035 INFO L134 CoverageAnalysis]: Checked inductivity of 12324 backedges. 0 proven. 234 refuted. 0 times theorem prover too weak. 12090 trivial. 0 not checked. [2024-11-19 11:15:53,036 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [6861450] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 11:15:53,036 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 11:15:53,036 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 10 [2024-11-19 11:15:53,037 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [796497470] [2024-11-19 11:15:53,037 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 11:15:53,038 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-19 11:15:53,038 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 11:15:53,040 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-19 11:15:53,040 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2024-11-19 11:15:53,041 INFO L87 Difference]: Start difference. First operand 167 states and 256 transitions. Second operand has 11 states, 10 states have (on average 7.0) internal successors, (70), 11 states have internal predecessors, (70), 5 states have call successors, (233), 1 states have call predecessors, (233), 2 states have return successors, (233), 4 states have call predecessors, (233), 5 states have call successors, (233) [2024-11-19 11:15:53,635 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 11:15:53,635 INFO L93 Difference]: Finished difference Result 167 states and 256 transitions. [2024-11-19 11:15:53,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-19 11:15:53,639 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 7.0) internal successors, (70), 11 states have internal predecessors, (70), 5 states have call successors, (233), 1 states have call predecessors, (233), 2 states have return successors, (233), 4 states have call predecessors, (233), 5 states have call successors, (233) Word has length 418 [2024-11-19 11:15:53,639 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 11:15:53,641 INFO L225 Difference]: With dead ends: 167 [2024-11-19 11:15:53,641 INFO L226 Difference]: Without dead ends: 166 [2024-11-19 11:15:53,641 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 843 GetRequests, 832 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 11:15:53,642 INFO L432 NwaCegarLoop]: 163 mSDtfsCounter, 0 mSDsluCounter, 638 mSDsCounter, 0 mSdLazyCounter, 787 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 801 SdHoareTripleChecker+Invalid, 787 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 787 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-19 11:15:53,642 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 801 Invalid, 787 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 787 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-19 11:15:53,643 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 166 states. [2024-11-19 11:15:53,673 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 166 to 166. [2024-11-19 11:15:53,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 166 states, 62 states have (on average 1.3709677419354838) internal successors, (85), 79 states have internal predecessors, (85), 85 states have call successors, (85), 1 states have call predecessors, (85), 1 states have return successors, (85), 85 states have call predecessors, (85), 85 states have call successors, (85) [2024-11-19 11:15:53,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 166 states and 255 transitions. [2024-11-19 11:15:53,675 INFO L78 Accepts]: Start accepts. Automaton has 166 states and 255 transitions. Word has length 418 [2024-11-19 11:15:53,676 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 11:15:53,676 INFO L471 AbstractCegarLoop]: Abstraction has 166 states and 255 transitions. [2024-11-19 11:15:53,677 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 7.0) internal successors, (70), 11 states have internal predecessors, (70), 5 states have call successors, (233), 1 states have call predecessors, (233), 2 states have return successors, (233), 4 states have call predecessors, (233), 5 states have call successors, (233) [2024-11-19 11:15:53,677 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 255 transitions. [2024-11-19 11:15:53,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 424 [2024-11-19 11:15:53,679 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 11:15:53,680 INFO L215 NwaCegarLoop]: trace histogram [80, 80, 80, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:15:53,698 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 11:15:53,880 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 11:15:53,881 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-19 11:15:53,881 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 11:15:53,881 INFO L85 PathProgramCache]: Analyzing trace with hash 650677870, now seen corresponding path program 1 times [2024-11-19 11:15:53,882 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 11:15:53,882 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1677017316] [2024-11-19 11:15:53,882 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 11:15:53,882 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 11:15:53,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 11:15:54,179 INFO L134 CoverageAnalysis]: Checked inductivity of 12640 backedges. 6 proven. 231 refuted. 0 times theorem prover too weak. 12403 trivial. 0 not checked. [2024-11-19 11:15:54,181 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 11:15:54,181 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1677017316] [2024-11-19 11:15:54,181 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1677017316] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 11:15:54,181 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1410975004] [2024-11-19 11:15:54,181 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 11:15:54,182 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 11:15:54,182 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 11:15:54,184 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 11:15:54,185 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 11:15:54,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 11:15:54,378 INFO L255 TraceCheckSpWp]: Trace formula consists of 786 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-19 11:15:54,388 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 11:15:54,943 INFO L134 CoverageAnalysis]: Checked inductivity of 12640 backedges. 285 proven. 627 refuted. 0 times theorem prover too weak. 11728 trivial. 0 not checked. [2024-11-19 11:15:54,943 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 11:15:55,530 INFO L134 CoverageAnalysis]: Checked inductivity of 12640 backedges. 285 proven. 627 refuted. 0 times theorem prover too weak. 11728 trivial. 0 not checked. [2024-11-19 11:15:55,531 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1410975004] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 11:15:55,531 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 11:15:55,531 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 9, 10] total 19 [2024-11-19 11:15:55,532 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [759552617] [2024-11-19 11:15:55,532 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 11:15:55,533 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2024-11-19 11:15:55,533 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 11:15:55,534 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2024-11-19 11:15:55,534 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=316, Unknown=0, NotChecked=0, Total=380 [2024-11-19 11:15:55,535 INFO L87 Difference]: Start difference. First operand 166 states and 255 transitions. Second operand has 20 states, 18 states have (on average 4.055555555555555) internal successors, (73), 17 states have internal predecessors, (73), 11 states have call successors, (238), 1 states have call predecessors, (238), 2 states have return successors, (240), 11 states have call predecessors, (240), 11 states have call successors, (240) [2024-11-19 11:15:56,333 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 11:15:56,333 INFO L93 Difference]: Finished difference Result 170 states and 262 transitions. [2024-11-19 11:15:56,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-19 11:15:56,334 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 18 states have (on average 4.055555555555555) internal successors, (73), 17 states have internal predecessors, (73), 11 states have call successors, (238), 1 states have call predecessors, (238), 2 states have return successors, (240), 11 states have call predecessors, (240), 11 states have call successors, (240) Word has length 423 [2024-11-19 11:15:56,335 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 11:15:56,336 INFO L225 Difference]: With dead ends: 170 [2024-11-19 11:15:56,336 INFO L226 Difference]: Without dead ends: 169 [2024-11-19 11:15:56,336 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 856 GetRequests, 831 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 11:15:56,337 INFO L432 NwaCegarLoop]: 158 mSDtfsCounter, 36 mSDsluCounter, 1351 mSDsCounter, 0 mSdLazyCounter, 941 mSolverCounterSat, 78 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 1509 SdHoareTripleChecker+Invalid, 1019 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 78 IncrementalHoareTripleChecker+Valid, 941 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-19 11:15:56,337 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 1509 Invalid, 1019 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [78 Valid, 941 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-19 11:15:56,338 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 169 states. [2024-11-19 11:15:56,359 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 169 to 165. [2024-11-19 11:15:56,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 165 states, 62 states have (on average 1.3548387096774193) internal successors, (84), 78 states have internal predecessors, (84), 85 states have call successors, (85), 1 states have call predecessors, (85), 1 states have return successors, (85), 85 states have call predecessors, (85), 85 states have call successors, (85) [2024-11-19 11:15:56,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 165 states and 254 transitions. [2024-11-19 11:15:56,363 INFO L78 Accepts]: Start accepts. Automaton has 165 states and 254 transitions. Word has length 423 [2024-11-19 11:15:56,364 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 11:15:56,364 INFO L471 AbstractCegarLoop]: Abstraction has 165 states and 254 transitions. [2024-11-19 11:15:56,365 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 18 states have (on average 4.055555555555555) internal successors, (73), 17 states have internal predecessors, (73), 11 states have call successors, (238), 1 states have call predecessors, (238), 2 states have return successors, (240), 11 states have call predecessors, (240), 11 states have call successors, (240) [2024-11-19 11:15:56,365 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 254 transitions. [2024-11-19 11:15:56,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 425 [2024-11-19 11:15:56,367 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 11:15:56,368 INFO L215 NwaCegarLoop]: trace histogram [80, 80, 80, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:15:56,382 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 11:15:56,569 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 11:15:56,570 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-19 11:15:56,570 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 11:15:56,570 INFO L85 PathProgramCache]: Analyzing trace with hash -1303822363, now seen corresponding path program 1 times [2024-11-19 11:15:56,570 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 11:15:56,570 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1476159299] [2024-11-19 11:15:56,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 11:15:56,571 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 11:15:56,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 11:15:56,965 INFO L134 CoverageAnalysis]: Checked inductivity of 12640 backedges. 12 proven. 225 refuted. 0 times theorem prover too weak. 12403 trivial. 0 not checked. [2024-11-19 11:15:56,966 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 11:15:56,966 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1476159299] [2024-11-19 11:15:56,966 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1476159299] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 11:15:56,966 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [676054176] [2024-11-19 11:15:56,966 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 11:15:56,966 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 11:15:56,967 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 11:15:56,968 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 11:15:56,970 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 11:15:57,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 11:15:57,119 INFO L255 TraceCheckSpWp]: Trace formula consists of 787 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-19 11:15:57,126 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 11:15:57,453 INFO L134 CoverageAnalysis]: Checked inductivity of 12640 backedges. 12 proven. 225 refuted. 0 times theorem prover too weak. 12403 trivial. 0 not checked. [2024-11-19 11:15:57,454 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 11:15:57,905 INFO L134 CoverageAnalysis]: Checked inductivity of 12640 backedges. 12 proven. 225 refuted. 0 times theorem prover too weak. 12403 trivial. 0 not checked. [2024-11-19 11:15:57,906 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [676054176] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 11:15:57,906 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 11:15:57,906 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5, 5] total 12 [2024-11-19 11:15:57,906 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1527476892] [2024-11-19 11:15:57,906 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 11:15:57,910 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-19 11:15:57,910 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 11:15:57,911 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-19 11:15:57,912 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2024-11-19 11:15:57,912 INFO L87 Difference]: Start difference. First operand 165 states and 254 transitions. Second operand has 13 states, 11 states have (on average 6.818181818181818) internal successors, (75), 13 states have internal predecessors, (75), 8 states have call successors, (235), 1 states have call predecessors, (235), 2 states have return successors, (236), 7 states have call predecessors, (236), 8 states have call successors, (236) [2024-11-19 11:15:58,429 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 11:15:58,429 INFO L93 Difference]: Finished difference Result 165 states and 254 transitions. [2024-11-19 11:15:58,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-19 11:15:58,430 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 11 states have (on average 6.818181818181818) internal successors, (75), 13 states have internal predecessors, (75), 8 states have call successors, (235), 1 states have call predecessors, (235), 2 states have return successors, (236), 7 states have call predecessors, (236), 8 states have call successors, (236) Word has length 424 [2024-11-19 11:15:58,431 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 11:15:58,433 INFO L225 Difference]: With dead ends: 165 [2024-11-19 11:15:58,433 INFO L226 Difference]: Without dead ends: 164 [2024-11-19 11:15:58,433 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 857 GetRequests, 842 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=52, Invalid=188, Unknown=0, NotChecked=0, Total=240 [2024-11-19 11:15:58,434 INFO L432 NwaCegarLoop]: 159 mSDtfsCounter, 27 mSDsluCounter, 1020 mSDsCounter, 0 mSdLazyCounter, 513 mSolverCounterSat, 75 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 1179 SdHoareTripleChecker+Invalid, 588 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 75 IncrementalHoareTripleChecker+Valid, 513 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-19 11:15:58,434 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [27 Valid, 1179 Invalid, 588 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [75 Valid, 513 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-19 11:15:58,435 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 164 states. [2024-11-19 11:15:58,453 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 164 to 164. [2024-11-19 11:15:58,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 164 states, 62 states have (on average 1.3387096774193548) internal successors, (83), 77 states have internal predecessors, (83), 85 states have call successors, (85), 1 states have call predecessors, (85), 1 states have return successors, (85), 85 states have call predecessors, (85), 85 states have call successors, (85) [2024-11-19 11:15:58,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 164 states and 253 transitions. [2024-11-19 11:15:58,455 INFO L78 Accepts]: Start accepts. Automaton has 164 states and 253 transitions. Word has length 424 [2024-11-19 11:15:58,456 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 11:15:58,456 INFO L471 AbstractCegarLoop]: Abstraction has 164 states and 253 transitions. [2024-11-19 11:15:58,457 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 11 states have (on average 6.818181818181818) internal successors, (75), 13 states have internal predecessors, (75), 8 states have call successors, (235), 1 states have call predecessors, (235), 2 states have return successors, (236), 7 states have call predecessors, (236), 8 states have call successors, (236) [2024-11-19 11:15:58,457 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 253 transitions. [2024-11-19 11:15:58,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 428 [2024-11-19 11:15:58,460 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 11:15:58,460 INFO L215 NwaCegarLoop]: trace histogram [80, 80, 80, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:15:58,478 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 11:15:58,660 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 11:15:58,661 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-19 11:15:58,661 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 11:15:58,661 INFO L85 PathProgramCache]: Analyzing trace with hash 1512359893, now seen corresponding path program 1 times [2024-11-19 11:15:58,661 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 11:15:58,662 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1833102434] [2024-11-19 11:15:58,662 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 11:15:58,662 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 11:15:58,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 11:15:58,998 INFO L134 CoverageAnalysis]: Checked inductivity of 12640 backedges. 6 proven. 231 refuted. 0 times theorem prover too weak. 12403 trivial. 0 not checked. [2024-11-19 11:15:58,998 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 11:15:58,998 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1833102434] [2024-11-19 11:15:58,998 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1833102434] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 11:15:58,999 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1440588179] [2024-11-19 11:15:58,999 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 11:15:58,999 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 11:15:58,999 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 11:15:59,001 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 11:15:59,002 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 11:15:59,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 11:15:59,176 INFO L255 TraceCheckSpWp]: Trace formula consists of 792 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-19 11:15:59,184 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 11:15:59,494 INFO L134 CoverageAnalysis]: Checked inductivity of 12640 backedges. 6 proven. 231 refuted. 0 times theorem prover too weak. 12403 trivial. 0 not checked. [2024-11-19 11:15:59,495 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 11:15:59,883 INFO L134 CoverageAnalysis]: Checked inductivity of 12640 backedges. 6 proven. 231 refuted. 0 times theorem prover too weak. 12403 trivial. 0 not checked. [2024-11-19 11:15:59,883 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1440588179] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 11:15:59,884 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 11:15:59,884 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 8 [2024-11-19 11:15:59,884 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [177738226] [2024-11-19 11:15:59,884 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 11:15:59,885 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-19 11:15:59,885 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 11:15:59,885 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-19 11:15:59,886 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-19 11:15:59,886 INFO L87 Difference]: Start difference. First operand 164 states and 253 transitions. Second operand has 9 states, 8 states have (on average 7.0) internal successors, (56), 8 states have internal predecessors, (56), 4 states have call successors, (156), 1 states have call predecessors, (156), 2 states have return successors, (156), 4 states have call predecessors, (156), 4 states have call successors, (156) [2024-11-19 11:16:00,364 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 11:16:00,364 INFO L93 Difference]: Finished difference Result 164 states and 253 transitions. [2024-11-19 11:16:00,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-19 11:16:00,365 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 7.0) internal successors, (56), 8 states have internal predecessors, (56), 4 states have call successors, (156), 1 states have call predecessors, (156), 2 states have return successors, (156), 4 states have call predecessors, (156), 4 states have call successors, (156) Word has length 427 [2024-11-19 11:16:00,366 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 11:16:00,367 INFO L225 Difference]: With dead ends: 164 [2024-11-19 11:16:00,367 INFO L226 Difference]: Without dead ends: 163 [2024-11-19 11:16:00,368 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 858 GetRequests, 849 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 11:16:00,369 INFO L432 NwaCegarLoop]: 158 mSDtfsCounter, 3 mSDsluCounter, 661 mSDsCounter, 0 mSdLazyCounter, 640 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 819 SdHoareTripleChecker+Invalid, 640 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 640 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-19 11:16:00,370 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 819 Invalid, 640 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 640 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-19 11:16:00,371 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 163 states. [2024-11-19 11:16:00,386 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 163 to 163. [2024-11-19 11:16:00,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 163 states, 62 states have (on average 1.3225806451612903) internal successors, (82), 76 states have internal predecessors, (82), 85 states have call successors, (85), 1 states have call predecessors, (85), 1 states have return successors, (85), 85 states have call predecessors, (85), 85 states have call successors, (85) [2024-11-19 11:16:00,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 163 states and 252 transitions. [2024-11-19 11:16:00,393 INFO L78 Accepts]: Start accepts. Automaton has 163 states and 252 transitions. Word has length 427 [2024-11-19 11:16:00,394 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 11:16:00,394 INFO L471 AbstractCegarLoop]: Abstraction has 163 states and 252 transitions. [2024-11-19 11:16:00,394 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 7.0) internal successors, (56), 8 states have internal predecessors, (56), 4 states have call successors, (156), 1 states have call predecessors, (156), 2 states have return successors, (156), 4 states have call predecessors, (156), 4 states have call successors, (156) [2024-11-19 11:16:00,394 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 252 transitions. [2024-11-19 11:16:00,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 433 [2024-11-19 11:16:00,399 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 11:16:00,399 INFO L215 NwaCegarLoop]: trace histogram [81, 81, 81, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:16:00,417 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-11-19 11:16:00,599 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 11:16:00,601 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-19 11:16:00,601 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 11:16:00,601 INFO L85 PathProgramCache]: Analyzing trace with hash 642863241, now seen corresponding path program 1 times [2024-11-19 11:16:00,601 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 11:16:00,602 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1265897600] [2024-11-19 11:16:00,602 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 11:16:00,602 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 11:16:00,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 11:16:00,887 INFO L134 CoverageAnalysis]: Checked inductivity of 12960 backedges. 12 proven. 228 refuted. 0 times theorem prover too weak. 12720 trivial. 0 not checked. [2024-11-19 11:16:00,887 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 11:16:00,887 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1265897600] [2024-11-19 11:16:00,888 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1265897600] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 11:16:00,888 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [288649342] [2024-11-19 11:16:00,888 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 11:16:00,888 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 11:16:00,888 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 11:16:00,890 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 11:16:00,891 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 11:16:01,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 11:16:01,053 INFO L255 TraceCheckSpWp]: Trace formula consists of 804 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-19 11:16:01,059 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 11:16:01,550 INFO L134 CoverageAnalysis]: Checked inductivity of 12960 backedges. 306 proven. 618 refuted. 0 times theorem prover too weak. 12036 trivial. 0 not checked. [2024-11-19 11:16:01,551 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 11:16:02,032 INFO L134 CoverageAnalysis]: Checked inductivity of 12960 backedges. 306 proven. 618 refuted. 0 times theorem prover too weak. 12036 trivial. 0 not checked. [2024-11-19 11:16:02,032 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [288649342] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 11:16:02,032 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 11:16:02,032 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 9, 10] total 19 [2024-11-19 11:16:02,032 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [822749224] [2024-11-19 11:16:02,032 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 11:16:02,034 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2024-11-19 11:16:02,034 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 11:16:02,035 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2024-11-19 11:16:02,035 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=316, Unknown=0, NotChecked=0, Total=380 [2024-11-19 11:16:02,035 INFO L87 Difference]: Start difference. First operand 163 states and 252 transitions. Second operand has 20 states, 18 states have (on average 4.611111111111111) internal successors, (83), 17 states have internal predecessors, (83), 11 states have call successors, (237), 1 states have call predecessors, (237), 2 states have return successors, (239), 11 states have call predecessors, (239), 11 states have call successors, (239) [2024-11-19 11:16:02,769 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 11:16:02,769 INFO L93 Difference]: Finished difference Result 167 states and 259 transitions. [2024-11-19 11:16:02,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-19 11:16:02,770 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 18 states have (on average 4.611111111111111) internal successors, (83), 17 states have internal predecessors, (83), 11 states have call successors, (237), 1 states have call predecessors, (237), 2 states have return successors, (239), 11 states have call predecessors, (239), 11 states have call successors, (239) Word has length 432 [2024-11-19 11:16:02,771 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 11:16:02,772 INFO L225 Difference]: With dead ends: 167 [2024-11-19 11:16:02,773 INFO L226 Difference]: Without dead ends: 166 [2024-11-19 11:16:02,773 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 874 GetRequests, 849 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 88 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=146, Invalid=556, Unknown=0, NotChecked=0, Total=702 [2024-11-19 11:16:02,774 INFO L432 NwaCegarLoop]: 153 mSDtfsCounter, 57 mSDsluCounter, 1176 mSDsCounter, 0 mSdLazyCounter, 870 mSolverCounterSat, 76 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 57 SdHoareTripleChecker+Valid, 1329 SdHoareTripleChecker+Invalid, 946 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 76 IncrementalHoareTripleChecker+Valid, 870 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-19 11:16:02,774 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [57 Valid, 1329 Invalid, 946 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [76 Valid, 870 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-19 11:16:02,775 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 166 states. [2024-11-19 11:16:02,790 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 166 to 162. [2024-11-19 11:16:02,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 162 states, 62 states have (on average 1.3064516129032258) internal successors, (81), 75 states have internal predecessors, (81), 85 states have call successors, (85), 1 states have call predecessors, (85), 1 states have return successors, (85), 85 states have call predecessors, (85), 85 states have call successors, (85) [2024-11-19 11:16:02,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 162 states and 251 transitions. [2024-11-19 11:16:02,793 INFO L78 Accepts]: Start accepts. Automaton has 162 states and 251 transitions. Word has length 432 [2024-11-19 11:16:02,793 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 11:16:02,794 INFO L471 AbstractCegarLoop]: Abstraction has 162 states and 251 transitions. [2024-11-19 11:16:02,794 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 18 states have (on average 4.611111111111111) internal successors, (83), 17 states have internal predecessors, (83), 11 states have call successors, (237), 1 states have call predecessors, (237), 2 states have return successors, (239), 11 states have call predecessors, (239), 11 states have call successors, (239) [2024-11-19 11:16:02,794 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 251 transitions. [2024-11-19 11:16:02,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 434 [2024-11-19 11:16:02,797 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 11:16:02,797 INFO L215 NwaCegarLoop]: trace histogram [81, 81, 81, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:16:02,816 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-11-19 11:16:03,001 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 11:16:03,002 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-19 11:16:03,002 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 11:16:03,002 INFO L85 PathProgramCache]: Analyzing trace with hash -1546075846, now seen corresponding path program 1 times [2024-11-19 11:16:03,003 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 11:16:03,003 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [230376099] [2024-11-19 11:16:03,003 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 11:16:03,003 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 11:16:03,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 11:16:03,276 INFO L134 CoverageAnalysis]: Checked inductivity of 12960 backedges. 18 proven. 222 refuted. 0 times theorem prover too weak. 12720 trivial. 0 not checked. [2024-11-19 11:16:03,276 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 11:16:03,276 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [230376099] [2024-11-19 11:16:03,276 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [230376099] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 11:16:03,276 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1988213731] [2024-11-19 11:16:03,276 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 11:16:03,276 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 11:16:03,277 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 11:16:03,279 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 11:16:03,280 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 11:16:03,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 11:16:03,448 INFO L255 TraceCheckSpWp]: Trace formula consists of 805 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-19 11:16:03,453 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 11:16:03,707 INFO L134 CoverageAnalysis]: Checked inductivity of 12960 backedges. 18 proven. 222 refuted. 0 times theorem prover too weak. 12720 trivial. 0 not checked. [2024-11-19 11:16:03,707 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 11:16:04,044 INFO L134 CoverageAnalysis]: Checked inductivity of 12960 backedges. 18 proven. 222 refuted. 0 times theorem prover too weak. 12720 trivial. 0 not checked. [2024-11-19 11:16:04,044 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1988213731] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 11:16:04,044 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 11:16:04,044 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 7 [2024-11-19 11:16:04,045 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1731432001] [2024-11-19 11:16:04,045 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 11:16:04,046 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-19 11:16:04,046 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 11:16:04,047 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-19 11:16:04,047 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-11-19 11:16:04,047 INFO L87 Difference]: Start difference. First operand 162 states and 251 transitions. Second operand has 8 states, 7 states have (on average 8.428571428571429) internal successors, (59), 8 states have internal predecessors, (59), 4 states have call successors, (155), 1 states have call predecessors, (155), 2 states have return successors, (156), 4 states have call predecessors, (156), 4 states have call successors, (156) [2024-11-19 11:16:04,344 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 11:16:04,345 INFO L93 Difference]: Finished difference Result 162 states and 251 transitions. [2024-11-19 11:16:04,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-19 11:16:04,346 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 8.428571428571429) internal successors, (59), 8 states have internal predecessors, (59), 4 states have call successors, (155), 1 states have call predecessors, (155), 2 states have return successors, (156), 4 states have call predecessors, (156), 4 states have call successors, (156) Word has length 433 [2024-11-19 11:16:04,347 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 11:16:04,348 INFO L225 Difference]: With dead ends: 162 [2024-11-19 11:16:04,349 INFO L226 Difference]: Without dead ends: 161 [2024-11-19 11:16:04,349 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 869 GetRequests, 862 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 11:16:04,350 INFO L432 NwaCegarLoop]: 160 mSDtfsCounter, 18 mSDsluCounter, 334 mSDsCounter, 0 mSdLazyCounter, 296 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 494 SdHoareTripleChecker+Invalid, 296 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 296 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-19 11:16:04,350 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 494 Invalid, 296 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 296 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-19 11:16:04,351 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 161 states. [2024-11-19 11:16:04,375 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 161 to 161. [2024-11-19 11:16:04,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 161 states, 62 states have (on average 1.2903225806451613) internal successors, (80), 74 states have internal predecessors, (80), 85 states have call successors, (85), 1 states have call predecessors, (85), 1 states have return successors, (85), 85 states have call predecessors, (85), 85 states have call successors, (85) [2024-11-19 11:16:04,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 161 states and 250 transitions. [2024-11-19 11:16:04,378 INFO L78 Accepts]: Start accepts. Automaton has 161 states and 250 transitions. Word has length 433 [2024-11-19 11:16:04,379 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 11:16:04,379 INFO L471 AbstractCegarLoop]: Abstraction has 161 states and 250 transitions. [2024-11-19 11:16:04,379 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 8.428571428571429) internal successors, (59), 8 states have internal predecessors, (59), 4 states have call successors, (155), 1 states have call predecessors, (155), 2 states have return successors, (156), 4 states have call predecessors, (156), 4 states have call successors, (156) [2024-11-19 11:16:04,379 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 250 transitions. [2024-11-19 11:16:04,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 437 [2024-11-19 11:16:04,383 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 11:16:04,383 INFO L215 NwaCegarLoop]: trace histogram [81, 81, 81, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:16:04,397 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-11-19 11:16:04,584 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 11:16:04,584 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-19 11:16:04,585 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 11:16:04,585 INFO L85 PathProgramCache]: Analyzing trace with hash 83921008, now seen corresponding path program 1 times [2024-11-19 11:16:04,585 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 11:16:04,585 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1197260345] [2024-11-19 11:16:04,585 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 11:16:04,586 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 11:16:04,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 11:16:04,975 INFO L134 CoverageAnalysis]: Checked inductivity of 12960 backedges. 30 proven. 444 refuted. 0 times theorem prover too weak. 12486 trivial. 0 not checked. [2024-11-19 11:16:04,976 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 11:16:04,976 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1197260345] [2024-11-19 11:16:04,976 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1197260345] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 11:16:04,976 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [879900983] [2024-11-19 11:16:04,976 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 11:16:04,977 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 11:16:04,977 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 11:16:04,978 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 11:16:04,980 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 11:16:05,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 11:16:05,136 INFO L255 TraceCheckSpWp]: Trace formula consists of 810 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-11-19 11:16:05,140 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 11:16:05,534 INFO L134 CoverageAnalysis]: Checked inductivity of 12960 backedges. 306 proven. 618 refuted. 0 times theorem prover too weak. 12036 trivial. 0 not checked. [2024-11-19 11:16:05,534 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 11:16:06,012 INFO L134 CoverageAnalysis]: Checked inductivity of 12960 backedges. 306 proven. 618 refuted. 0 times theorem prover too weak. 12036 trivial. 0 not checked. [2024-11-19 11:16:06,013 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [879900983] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 11:16:06,013 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 11:16:06,013 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 10, 11] total 22 [2024-11-19 11:16:06,013 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [411178790] [2024-11-19 11:16:06,013 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 11:16:06,014 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-11-19 11:16:06,014 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 11:16:06,015 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-11-19 11:16:06,016 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=434, Unknown=0, NotChecked=0, Total=506 [2024-11-19 11:16:06,016 INFO L87 Difference]: Start difference. First operand 161 states and 250 transitions. Second operand has 23 states, 21 states have (on average 4.523809523809524) internal successors, (95), 23 states have internal predecessors, (95), 11 states have call successors, (237), 1 states have call predecessors, (237), 2 states have return successors, (239), 11 states have call predecessors, (239), 11 states have call successors, (239) [2024-11-19 11:16:07,034 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 11:16:07,034 INFO L93 Difference]: Finished difference Result 165 states and 255 transitions. [2024-11-19 11:16:07,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-19 11:16:07,035 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 21 states have (on average 4.523809523809524) internal successors, (95), 23 states have internal predecessors, (95), 11 states have call successors, (237), 1 states have call predecessors, (237), 2 states have return successors, (239), 11 states have call predecessors, (239), 11 states have call successors, (239) Word has length 436 [2024-11-19 11:16:07,036 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 11:16:07,038 INFO L225 Difference]: With dead ends: 165 [2024-11-19 11:16:07,038 INFO L226 Difference]: Without dead ends: 164 [2024-11-19 11:16:07,039 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 885 GetRequests, 857 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 11:16:07,039 INFO L432 NwaCegarLoop]: 148 mSDtfsCounter, 78 mSDsluCounter, 1421 mSDsCounter, 0 mSdLazyCounter, 1351 mSolverCounterSat, 155 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 78 SdHoareTripleChecker+Valid, 1569 SdHoareTripleChecker+Invalid, 1506 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 155 IncrementalHoareTripleChecker+Valid, 1351 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-19 11:16:07,040 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [78 Valid, 1569 Invalid, 1506 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [155 Valid, 1351 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-19 11:16:07,040 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 164 states. [2024-11-19 11:16:07,055 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 164 to 160. [2024-11-19 11:16:07,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 160 states, 62 states have (on average 1.2741935483870968) internal successors, (79), 73 states have internal predecessors, (79), 85 states have call successors, (85), 1 states have call predecessors, (85), 1 states have return successors, (85), 85 states have call predecessors, (85), 85 states have call successors, (85) [2024-11-19 11:16:07,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 249 transitions. [2024-11-19 11:16:07,058 INFO L78 Accepts]: Start accepts. Automaton has 160 states and 249 transitions. Word has length 436 [2024-11-19 11:16:07,058 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 11:16:07,058 INFO L471 AbstractCegarLoop]: Abstraction has 160 states and 249 transitions. [2024-11-19 11:16:07,059 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 21 states have (on average 4.523809523809524) internal successors, (95), 23 states have internal predecessors, (95), 11 states have call successors, (237), 1 states have call predecessors, (237), 2 states have return successors, (239), 11 states have call predecessors, (239), 11 states have call successors, (239) [2024-11-19 11:16:07,059 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 249 transitions. [2024-11-19 11:16:07,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 442 [2024-11-19 11:16:07,061 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 11:16:07,062 INFO L215 NwaCegarLoop]: trace histogram [82, 82, 82, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:16:07,082 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-11-19 11:16:07,262 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 11:16:07,263 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-19 11:16:07,263 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 11:16:07,263 INFO L85 PathProgramCache]: Analyzing trace with hash -1620516758, now seen corresponding path program 1 times [2024-11-19 11:16:07,264 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 11:16:07,264 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1799964220] [2024-11-19 11:16:07,264 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 11:16:07,264 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 11:16:07,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 11:16:07,535 INFO L134 CoverageAnalysis]: Checked inductivity of 13284 backedges. 18 proven. 225 refuted. 0 times theorem prover too weak. 13041 trivial. 0 not checked. [2024-11-19 11:16:07,536 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 11:16:07,536 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1799964220] [2024-11-19 11:16:07,536 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1799964220] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 11:16:07,536 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1405615972] [2024-11-19 11:16:07,536 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 11:16:07,537 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 11:16:07,537 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 11:16:07,538 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 11:16:07,540 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 11:16:07,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 11:16:07,681 INFO L255 TraceCheckSpWp]: Trace formula consists of 822 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-19 11:16:07,687 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 11:16:08,097 INFO L134 CoverageAnalysis]: Checked inductivity of 13284 backedges. 327 proven. 609 refuted. 0 times theorem prover too weak. 12348 trivial. 0 not checked. [2024-11-19 11:16:08,097 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 11:16:08,652 INFO L134 CoverageAnalysis]: Checked inductivity of 13284 backedges. 327 proven. 609 refuted. 0 times theorem prover too weak. 12348 trivial. 0 not checked. [2024-11-19 11:16:08,652 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1405615972] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 11:16:08,652 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 11:16:08,653 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 9, 10] total 19 [2024-11-19 11:16:08,653 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2075003719] [2024-11-19 11:16:08,653 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 11:16:08,654 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2024-11-19 11:16:08,654 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 11:16:08,656 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2024-11-19 11:16:08,656 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=316, Unknown=0, NotChecked=0, Total=380 [2024-11-19 11:16:08,656 INFO L87 Difference]: Start difference. First operand 160 states and 249 transitions. Second operand has 20 states, 18 states have (on average 5.166666666666667) internal successors, (93), 17 states have internal predecessors, (93), 11 states have call successors, (236), 1 states have call predecessors, (236), 2 states have return successors, (238), 11 states have call predecessors, (238), 11 states have call successors, (238) [2024-11-19 11:16:09,353 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 11:16:09,354 INFO L93 Difference]: Finished difference Result 164 states and 256 transitions. [2024-11-19 11:16:09,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-19 11:16:09,355 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 18 states have (on average 5.166666666666667) internal successors, (93), 17 states have internal predecessors, (93), 11 states have call successors, (236), 1 states have call predecessors, (236), 2 states have return successors, (238), 11 states have call predecessors, (238), 11 states have call successors, (238) Word has length 441 [2024-11-19 11:16:09,355 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 11:16:09,357 INFO L225 Difference]: With dead ends: 164 [2024-11-19 11:16:09,357 INFO L226 Difference]: Without dead ends: 163 [2024-11-19 11:16:09,357 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 892 GetRequests, 867 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 11:16:09,358 INFO L432 NwaCegarLoop]: 150 mSDtfsCounter, 117 mSDsluCounter, 1082 mSDsCounter, 0 mSdLazyCounter, 917 mSolverCounterSat, 149 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 117 SdHoareTripleChecker+Valid, 1232 SdHoareTripleChecker+Invalid, 1066 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 149 IncrementalHoareTripleChecker+Valid, 917 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-19 11:16:09,358 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [117 Valid, 1232 Invalid, 1066 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [149 Valid, 917 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-19 11:16:09,358 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 163 states. [2024-11-19 11:16:09,378 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 163 to 159. [2024-11-19 11:16:09,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 159 states, 62 states have (on average 1.2580645161290323) internal successors, (78), 72 states have internal predecessors, (78), 85 states have call successors, (85), 1 states have call predecessors, (85), 1 states have return successors, (85), 85 states have call predecessors, (85), 85 states have call successors, (85) [2024-11-19 11:16:09,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 159 states and 248 transitions. [2024-11-19 11:16:09,382 INFO L78 Accepts]: Start accepts. Automaton has 159 states and 248 transitions. Word has length 441 [2024-11-19 11:16:09,383 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 11:16:09,383 INFO L471 AbstractCegarLoop]: Abstraction has 159 states and 248 transitions. [2024-11-19 11:16:09,383 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 18 states have (on average 5.166666666666667) internal successors, (93), 17 states have internal predecessors, (93), 11 states have call successors, (236), 1 states have call predecessors, (236), 2 states have return successors, (238), 11 states have call predecessors, (238), 11 states have call successors, (238) [2024-11-19 11:16:09,384 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 248 transitions. [2024-11-19 11:16:09,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 443 [2024-11-19 11:16:09,386 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 11:16:09,386 INFO L215 NwaCegarLoop]: trace histogram [82, 82, 82, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:16:09,406 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 11:16:09,586 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 11:16:09,587 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-19 11:16:09,587 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 11:16:09,587 INFO L85 PathProgramCache]: Analyzing trace with hash 1303588233, now seen corresponding path program 1 times [2024-11-19 11:16:09,587 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 11:16:09,588 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1684272201] [2024-11-19 11:16:09,588 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 11:16:09,588 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 11:16:09,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 11:16:09,880 INFO L134 CoverageAnalysis]: Checked inductivity of 13284 backedges. 24 proven. 219 refuted. 0 times theorem prover too weak. 13041 trivial. 0 not checked. [2024-11-19 11:16:09,880 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 11:16:09,880 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1684272201] [2024-11-19 11:16:09,880 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1684272201] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 11:16:09,881 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1656607705] [2024-11-19 11:16:09,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 11:16:09,881 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 11:16:09,881 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 11:16:09,883 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 11:16:09,885 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 11:16:10,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 11:16:10,048 INFO L255 TraceCheckSpWp]: Trace formula consists of 823 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-19 11:16:10,054 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 11:16:10,333 INFO L134 CoverageAnalysis]: Checked inductivity of 13284 backedges. 24 proven. 219 refuted. 0 times theorem prover too weak. 13041 trivial. 0 not checked. [2024-11-19 11:16:10,333 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 11:16:10,720 INFO L134 CoverageAnalysis]: Checked inductivity of 13284 backedges. 24 proven. 219 refuted. 0 times theorem prover too weak. 13041 trivial. 0 not checked. [2024-11-19 11:16:10,720 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1656607705] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 11:16:10,720 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 11:16:10,721 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5, 5] total 10 [2024-11-19 11:16:10,721 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [772428523] [2024-11-19 11:16:10,721 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 11:16:10,722 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-19 11:16:10,722 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 11:16:10,723 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-19 11:16:10,723 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2024-11-19 11:16:10,724 INFO L87 Difference]: Start difference. First operand 159 states and 248 transitions. Second operand has 11 states, 10 states have (on average 9.2) internal successors, (92), 11 states have internal predecessors, (92), 6 states have call successors, (232), 1 states have call predecessors, (232), 2 states have return successors, (233), 6 states have call predecessors, (233), 6 states have call successors, (233) [2024-11-19 11:16:11,292 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 11:16:11,292 INFO L93 Difference]: Finished difference Result 159 states and 248 transitions. [2024-11-19 11:16:11,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-19 11:16:11,293 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 9.2) internal successors, (92), 11 states have internal predecessors, (92), 6 states have call successors, (232), 1 states have call predecessors, (232), 2 states have return successors, (233), 6 states have call predecessors, (233), 6 states have call successors, (233) Word has length 442 [2024-11-19 11:16:11,294 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 11:16:11,295 INFO L225 Difference]: With dead ends: 159 [2024-11-19 11:16:11,295 INFO L226 Difference]: Without dead ends: 158 [2024-11-19 11:16:11,296 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 893 GetRequests, 879 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=52, Invalid=158, Unknown=0, NotChecked=0, Total=210 [2024-11-19 11:16:11,296 INFO L432 NwaCegarLoop]: 147 mSDtfsCounter, 46 mSDsluCounter, 893 mSDsCounter, 0 mSdLazyCounter, 882 mSolverCounterSat, 75 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 1040 SdHoareTripleChecker+Invalid, 957 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 75 IncrementalHoareTripleChecker+Valid, 882 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-19 11:16:11,297 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [46 Valid, 1040 Invalid, 957 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [75 Valid, 882 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-19 11:16:11,297 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 158 states. [2024-11-19 11:16:11,314 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 158 to 158. [2024-11-19 11:16:11,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 158 states, 62 states have (on average 1.2419354838709677) internal successors, (77), 71 states have internal predecessors, (77), 85 states have call successors, (85), 1 states have call predecessors, (85), 1 states have return successors, (85), 85 states have call predecessors, (85), 85 states have call successors, (85) [2024-11-19 11:16:11,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 158 states and 247 transitions. [2024-11-19 11:16:11,317 INFO L78 Accepts]: Start accepts. Automaton has 158 states and 247 transitions. Word has length 442 [2024-11-19 11:16:11,317 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 11:16:11,317 INFO L471 AbstractCegarLoop]: Abstraction has 158 states and 247 transitions. [2024-11-19 11:16:11,318 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 9.2) internal successors, (92), 11 states have internal predecessors, (92), 6 states have call successors, (232), 1 states have call predecessors, (232), 2 states have return successors, (233), 6 states have call predecessors, (233), 6 states have call successors, (233) [2024-11-19 11:16:11,318 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 247 transitions. [2024-11-19 11:16:11,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 446 [2024-11-19 11:16:11,320 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 11:16:11,321 INFO L215 NwaCegarLoop]: trace histogram [82, 82, 82, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:16:11,340 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2024-11-19 11:16:11,521 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 11:16:11,522 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-19 11:16:11,522 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 11:16:11,523 INFO L85 PathProgramCache]: Analyzing trace with hash 102941649, now seen corresponding path program 1 times [2024-11-19 11:16:11,523 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 11:16:11,523 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [924890701] [2024-11-19 11:16:11,523 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 11:16:11,523 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 11:16:11,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 11:16:11,915 INFO L134 CoverageAnalysis]: Checked inductivity of 13284 backedges. 42 proven. 438 refuted. 0 times theorem prover too weak. 12804 trivial. 0 not checked. [2024-11-19 11:16:11,915 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 11:16:11,915 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [924890701] [2024-11-19 11:16:11,915 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [924890701] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 11:16:11,915 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1834988845] [2024-11-19 11:16:11,915 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 11:16:11,915 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 11:16:11,915 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 11:16:11,917 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 11:16:11,918 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 11:16:12,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 11:16:12,060 INFO L255 TraceCheckSpWp]: Trace formula consists of 828 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-19 11:16:12,066 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 11:16:12,364 INFO L134 CoverageAnalysis]: Checked inductivity of 13284 backedges. 18 proven. 225 refuted. 0 times theorem prover too weak. 13041 trivial. 0 not checked. [2024-11-19 11:16:12,365 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 11:16:12,723 INFO L134 CoverageAnalysis]: Checked inductivity of 13284 backedges. 18 proven. 225 refuted. 0 times theorem prover too weak. 13041 trivial. 0 not checked. [2024-11-19 11:16:12,724 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1834988845] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 11:16:12,724 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 11:16:12,724 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 10 [2024-11-19 11:16:12,724 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [415028007] [2024-11-19 11:16:12,724 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 11:16:12,725 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-19 11:16:12,725 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 11:16:12,726 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-19 11:16:12,726 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2024-11-19 11:16:12,726 INFO L87 Difference]: Start difference. First operand 158 states and 247 transitions. Second operand has 11 states, 10 states have (on average 10.0) internal successors, (100), 11 states have internal predecessors, (100), 5 states have call successors, (230), 1 states have call predecessors, (230), 2 states have return successors, (230), 5 states have call predecessors, (230), 5 states have call successors, (230) [2024-11-19 11:16:13,226 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 11:16:13,226 INFO L93 Difference]: Finished difference Result 158 states and 247 transitions. [2024-11-19 11:16:13,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-19 11:16:13,228 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 10.0) internal successors, (100), 11 states have internal predecessors, (100), 5 states have call successors, (230), 1 states have call predecessors, (230), 2 states have return successors, (230), 5 states have call predecessors, (230), 5 states have call successors, (230) Word has length 445 [2024-11-19 11:16:13,228 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 11:16:13,230 INFO L225 Difference]: With dead ends: 158 [2024-11-19 11:16:13,230 INFO L226 Difference]: Without dead ends: 157 [2024-11-19 11:16:13,230 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 897 GetRequests, 886 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 11:16:13,232 INFO L432 NwaCegarLoop]: 152 mSDtfsCounter, 18 mSDsluCounter, 884 mSDsCounter, 0 mSdLazyCounter, 976 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 1036 SdHoareTripleChecker+Invalid, 976 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 976 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-19 11:16:13,233 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 1036 Invalid, 976 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 976 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-19 11:16:13,234 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 157 states. [2024-11-19 11:16:13,254 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 157 to 157. [2024-11-19 11:16:13,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 157 states, 62 states have (on average 1.2258064516129032) internal successors, (76), 70 states have internal predecessors, (76), 85 states have call successors, (85), 1 states have call predecessors, (85), 1 states have return successors, (85), 85 states have call predecessors, (85), 85 states have call successors, (85) [2024-11-19 11:16:13,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 157 states and 246 transitions. [2024-11-19 11:16:13,256 INFO L78 Accepts]: Start accepts. Automaton has 157 states and 246 transitions. Word has length 445 [2024-11-19 11:16:13,256 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 11:16:13,257 INFO L471 AbstractCegarLoop]: Abstraction has 157 states and 246 transitions. [2024-11-19 11:16:13,257 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 10.0) internal successors, (100), 11 states have internal predecessors, (100), 5 states have call successors, (230), 1 states have call predecessors, (230), 2 states have return successors, (230), 5 states have call predecessors, (230), 5 states have call successors, (230) [2024-11-19 11:16:13,257 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 246 transitions. [2024-11-19 11:16:13,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 451 [2024-11-19 11:16:13,260 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 11:16:13,260 INFO L215 NwaCegarLoop]: trace histogram [83, 83, 83, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:16:13,277 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2024-11-19 11:16:13,460 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 11:16:13,461 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-19 11:16:13,461 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 11:16:13,462 INFO L85 PathProgramCache]: Analyzing trace with hash 1058390341, now seen corresponding path program 1 times [2024-11-19 11:16:13,462 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 11:16:13,462 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [898345224] [2024-11-19 11:16:13,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 11:16:13,462 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 11:16:13,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 11:16:13,767 INFO L134 CoverageAnalysis]: Checked inductivity of 13612 backedges. 24 proven. 222 refuted. 0 times theorem prover too weak. 13366 trivial. 0 not checked. [2024-11-19 11:16:13,767 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 11:16:13,767 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [898345224] [2024-11-19 11:16:13,767 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [898345224] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 11:16:13,768 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1762979834] [2024-11-19 11:16:13,768 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 11:16:13,768 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 11:16:13,768 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 11:16:13,770 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 11:16:13,771 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 11:16:13,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 11:16:13,963 INFO L255 TraceCheckSpWp]: Trace formula consists of 840 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-19 11:16:13,972 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 11:16:14,312 INFO L134 CoverageAnalysis]: Checked inductivity of 13612 backedges. 24 proven. 222 refuted. 0 times theorem prover too weak. 13366 trivial. 0 not checked. [2024-11-19 11:16:14,312 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 11:16:14,693 INFO L134 CoverageAnalysis]: Checked inductivity of 13612 backedges. 24 proven. 222 refuted. 0 times theorem prover too weak. 13366 trivial. 0 not checked. [2024-11-19 11:16:14,694 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1762979834] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 11:16:14,694 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 11:16:14,694 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 9 [2024-11-19 11:16:14,694 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [348951419] [2024-11-19 11:16:14,694 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 11:16:14,695 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-19 11:16:14,695 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 11:16:14,696 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-19 11:16:14,696 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2024-11-19 11:16:14,697 INFO L87 Difference]: Start difference. First operand 157 states and 246 transitions. Second operand has 10 states, 9 states have (on average 11.222222222222221) internal successors, (101), 8 states have internal predecessors, (101), 6 states have call successors, (230), 1 states have call predecessors, (230), 2 states have return successors, (231), 6 states have call predecessors, (231), 6 states have call successors, (231) [2024-11-19 11:16:15,127 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 11:16:15,127 INFO L93 Difference]: Finished difference Result 157 states and 246 transitions. [2024-11-19 11:16:15,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-19 11:16:15,129 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 11.222222222222221) internal successors, (101), 8 states have internal predecessors, (101), 6 states have call successors, (230), 1 states have call predecessors, (230), 2 states have return successors, (231), 6 states have call predecessors, (231), 6 states have call successors, (231) Word has length 450 [2024-11-19 11:16:15,129 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 11:16:15,131 INFO L225 Difference]: With dead ends: 157 [2024-11-19 11:16:15,131 INFO L226 Difference]: Without dead ends: 156 [2024-11-19 11:16:15,133 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 903 GetRequests, 895 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 11:16:15,135 INFO L432 NwaCegarLoop]: 154 mSDtfsCounter, 52 mSDsluCounter, 426 mSDsCounter, 0 mSdLazyCounter, 656 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 580 SdHoareTripleChecker+Invalid, 656 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 656 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-19 11:16:15,136 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [52 Valid, 580 Invalid, 656 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 656 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-19 11:16:15,137 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 156 states. [2024-11-19 11:16:15,156 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 156 to 156. [2024-11-19 11:16:15,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 156 states, 62 states have (on average 1.2096774193548387) internal successors, (75), 69 states have internal predecessors, (75), 85 states have call successors, (85), 1 states have call predecessors, (85), 1 states have return successors, (85), 85 states have call predecessors, (85), 85 states have call successors, (85) [2024-11-19 11:16:15,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 156 states and 245 transitions. [2024-11-19 11:16:15,158 INFO L78 Accepts]: Start accepts. Automaton has 156 states and 245 transitions. Word has length 450 [2024-11-19 11:16:15,158 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 11:16:15,158 INFO L471 AbstractCegarLoop]: Abstraction has 156 states and 245 transitions. [2024-11-19 11:16:15,159 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 11.222222222222221) internal successors, (101), 8 states have internal predecessors, (101), 6 states have call successors, (230), 1 states have call predecessors, (230), 2 states have return successors, (231), 6 states have call predecessors, (231), 6 states have call successors, (231) [2024-11-19 11:16:15,159 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 245 transitions. [2024-11-19 11:16:15,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 452 [2024-11-19 11:16:15,161 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 11:16:15,162 INFO L215 NwaCegarLoop]: trace histogram [83, 83, 83, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:16:15,180 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 11:16:15,363 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 11:16:15,364 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-19 11:16:15,364 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 11:16:15,364 INFO L85 PathProgramCache]: Analyzing trace with hash -1549637602, now seen corresponding path program 1 times [2024-11-19 11:16:15,364 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 11:16:15,364 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2050476485] [2024-11-19 11:16:15,365 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 11:16:15,365 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 11:16:15,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 11:16:15,704 INFO L134 CoverageAnalysis]: Checked inductivity of 13612 backedges. 30 proven. 216 refuted. 0 times theorem prover too weak. 13366 trivial. 0 not checked. [2024-11-19 11:16:15,704 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 11:16:15,704 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2050476485] [2024-11-19 11:16:15,704 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2050476485] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 11:16:15,704 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [454554346] [2024-11-19 11:16:15,704 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 11:16:15,704 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 11:16:15,704 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 11:16:15,705 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 11:16:15,707 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 11:16:15,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 11:16:15,841 INFO L255 TraceCheckSpWp]: Trace formula consists of 841 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-19 11:16:15,845 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 11:16:16,079 INFO L134 CoverageAnalysis]: Checked inductivity of 13612 backedges. 30 proven. 216 refuted. 0 times theorem prover too weak. 13366 trivial. 0 not checked. [2024-11-19 11:16:16,079 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 11:16:16,397 INFO L134 CoverageAnalysis]: Checked inductivity of 13612 backedges. 30 proven. 216 refuted. 0 times theorem prover too weak. 13366 trivial. 0 not checked. [2024-11-19 11:16:16,397 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [454554346] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 11:16:16,397 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 11:16:16,397 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 5, 5] total 12 [2024-11-19 11:16:16,397 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [692498091] [2024-11-19 11:16:16,397 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 11:16:16,398 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-19 11:16:16,398 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 11:16:16,399 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-19 11:16:16,399 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2024-11-19 11:16:16,400 INFO L87 Difference]: Start difference. First operand 156 states and 245 transitions. Second operand has 13 states, 12 states have (on average 8.583333333333334) internal successors, (103), 13 states have internal predecessors, (103), 7 states have call successors, (233), 1 states have call predecessors, (233), 2 states have return successors, (234), 7 states have call predecessors, (234), 7 states have call successors, (234) [2024-11-19 11:16:17,025 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 11:16:17,025 INFO L93 Difference]: Finished difference Result 161 states and 252 transitions. [2024-11-19 11:16:17,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-19 11:16:17,026 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 8.583333333333334) internal successors, (103), 13 states have internal predecessors, (103), 7 states have call successors, (233), 1 states have call predecessors, (233), 2 states have return successors, (234), 7 states have call predecessors, (234), 7 states have call successors, (234) Word has length 451 [2024-11-19 11:16:17,027 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 11:16:17,028 INFO L225 Difference]: With dead ends: 161 [2024-11-19 11:16:17,028 INFO L226 Difference]: Without dead ends: 160 [2024-11-19 11:16:17,028 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 916 GetRequests, 897 SyntacticMatches, 1 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=77, Invalid=303, Unknown=0, NotChecked=0, Total=380 [2024-11-19 11:16:17,029 INFO L432 NwaCegarLoop]: 140 mSDtfsCounter, 74 mSDsluCounter, 904 mSDsCounter, 0 mSdLazyCounter, 983 mSolverCounterSat, 75 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 74 SdHoareTripleChecker+Valid, 1044 SdHoareTripleChecker+Invalid, 1058 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 75 IncrementalHoareTripleChecker+Valid, 983 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-19 11:16:17,029 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [74 Valid, 1044 Invalid, 1058 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [75 Valid, 983 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-19 11:16:17,029 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states. [2024-11-19 11:16:17,050 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 155. [2024-11-19 11:16:17,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 155 states, 62 states have (on average 1.1935483870967742) internal successors, (74), 68 states have internal predecessors, (74), 85 states have call successors, (85), 1 states have call predecessors, (85), 1 states have return successors, (85), 85 states have call predecessors, (85), 85 states have call successors, (85) [2024-11-19 11:16:17,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 244 transitions. [2024-11-19 11:16:17,052 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 244 transitions. Word has length 451 [2024-11-19 11:16:17,053 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 11:16:17,053 INFO L471 AbstractCegarLoop]: Abstraction has 155 states and 244 transitions. [2024-11-19 11:16:17,053 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 8.583333333333334) internal successors, (103), 13 states have internal predecessors, (103), 7 states have call successors, (233), 1 states have call predecessors, (233), 2 states have return successors, (234), 7 states have call predecessors, (234), 7 states have call successors, (234) [2024-11-19 11:16:17,053 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 244 transitions. [2024-11-19 11:16:17,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 455 [2024-11-19 11:16:17,056 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 11:16:17,056 INFO L215 NwaCegarLoop]: trace histogram [83, 83, 83, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:16:17,075 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2024-11-19 11:16:17,257 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 11:16:17,257 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-19 11:16:17,258 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 11:16:17,258 INFO L85 PathProgramCache]: Analyzing trace with hash 1349862188, now seen corresponding path program 1 times [2024-11-19 11:16:17,258 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 11:16:17,258 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1664875378] [2024-11-19 11:16:17,258 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 11:16:17,258 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 11:16:17,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 11:16:17,609 INFO L134 CoverageAnalysis]: Checked inductivity of 13612 backedges. 54 proven. 432 refuted. 0 times theorem prover too weak. 13126 trivial. 0 not checked. [2024-11-19 11:16:17,610 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 11:16:17,610 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1664875378] [2024-11-19 11:16:17,610 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1664875378] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 11:16:17,610 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1278382412] [2024-11-19 11:16:17,610 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 11:16:17,611 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 11:16:17,611 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 11:16:17,613 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 11:16:17,616 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 11:16:17,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 11:16:17,754 INFO L255 TraceCheckSpWp]: Trace formula consists of 846 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-11-19 11:16:17,762 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 11:16:18,213 INFO L134 CoverageAnalysis]: Checked inductivity of 13612 backedges. 348 proven. 600 refuted. 0 times theorem prover too weak. 12664 trivial. 0 not checked. [2024-11-19 11:16:18,213 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 11:16:18,708 INFO L134 CoverageAnalysis]: Checked inductivity of 13612 backedges. 348 proven. 600 refuted. 0 times theorem prover too weak. 12664 trivial. 0 not checked. [2024-11-19 11:16:18,709 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1278382412] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 11:16:18,709 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 11:16:18,709 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 10, 11] total 22 [2024-11-19 11:16:18,709 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1359006185] [2024-11-19 11:16:18,709 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 11:16:18,710 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-11-19 11:16:18,710 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 11:16:18,712 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-11-19 11:16:18,712 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=434, Unknown=0, NotChecked=0, Total=506 [2024-11-19 11:16:18,713 INFO L87 Difference]: Start difference. First operand 155 states and 244 transitions. Second operand has 23 states, 21 states have (on average 5.476190476190476) internal successors, (115), 23 states have internal predecessors, (115), 11 states have call successors, (235), 1 states have call predecessors, (235), 2 states have return successors, (237), 11 states have call predecessors, (237), 11 states have call successors, (237) [2024-11-19 11:16:19,478 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 11:16:19,478 INFO L93 Difference]: Finished difference Result 159 states and 249 transitions. [2024-11-19 11:16:19,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-19 11:16:19,480 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 21 states have (on average 5.476190476190476) internal successors, (115), 23 states have internal predecessors, (115), 11 states have call successors, (235), 1 states have call predecessors, (235), 2 states have return successors, (237), 11 states have call predecessors, (237), 11 states have call successors, (237) Word has length 454 [2024-11-19 11:16:19,480 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 11:16:19,482 INFO L225 Difference]: With dead ends: 159 [2024-11-19 11:16:19,482 INFO L226 Difference]: Without dead ends: 158 [2024-11-19 11:16:19,482 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 921 GetRequests, 893 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 11:16:19,483 INFO L432 NwaCegarLoop]: 142 mSDtfsCounter, 143 mSDsluCounter, 1206 mSDsCounter, 0 mSdLazyCounter, 1191 mSolverCounterSat, 150 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 143 SdHoareTripleChecker+Valid, 1348 SdHoareTripleChecker+Invalid, 1341 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 150 IncrementalHoareTripleChecker+Valid, 1191 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-19 11:16:19,483 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [143 Valid, 1348 Invalid, 1341 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [150 Valid, 1191 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-19 11:16:19,484 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 158 states. [2024-11-19 11:16:19,506 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 158 to 154. [2024-11-19 11:16:19,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 154 states, 62 states have (on average 1.1774193548387097) internal successors, (73), 67 states have internal predecessors, (73), 85 states have call successors, (85), 1 states have call predecessors, (85), 1 states have return successors, (85), 85 states have call predecessors, (85), 85 states have call successors, (85) [2024-11-19 11:16:19,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 154 states and 243 transitions. [2024-11-19 11:16:19,508 INFO L78 Accepts]: Start accepts. Automaton has 154 states and 243 transitions. Word has length 454 [2024-11-19 11:16:19,509 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 11:16:19,509 INFO L471 AbstractCegarLoop]: Abstraction has 154 states and 243 transitions. [2024-11-19 11:16:19,509 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 21 states have (on average 5.476190476190476) internal successors, (115), 23 states have internal predecessors, (115), 11 states have call successors, (235), 1 states have call predecessors, (235), 2 states have return successors, (237), 11 states have call predecessors, (237), 11 states have call successors, (237) [2024-11-19 11:16:19,510 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 243 transitions. [2024-11-19 11:16:19,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 460 [2024-11-19 11:16:19,512 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 11:16:19,513 INFO L215 NwaCegarLoop]: trace histogram [84, 84, 84, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:16:19,531 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 11:16:19,716 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 11:16:19,717 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-19 11:16:19,717 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 11:16:19,717 INFO L85 PathProgramCache]: Analyzing trace with hash -757085594, now seen corresponding path program 1 times [2024-11-19 11:16:19,717 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 11:16:19,717 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1753741370] [2024-11-19 11:16:19,718 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 11:16:19,718 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 11:16:19,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 11:16:19,998 INFO L134 CoverageAnalysis]: Checked inductivity of 13944 backedges. 30 proven. 219 refuted. 0 times theorem prover too weak. 13695 trivial. 0 not checked. [2024-11-19 11:16:19,999 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 11:16:19,999 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1753741370] [2024-11-19 11:16:19,999 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1753741370] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 11:16:19,999 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [568040294] [2024-11-19 11:16:20,000 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 11:16:20,000 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 11:16:20,000 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 11:16:20,002 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 11:16:20,005 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 11:16:20,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 11:16:20,149 INFO L255 TraceCheckSpWp]: Trace formula consists of 858 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-19 11:16:20,154 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 11:16:20,564 INFO L134 CoverageAnalysis]: Checked inductivity of 13944 backedges. 369 proven. 591 refuted. 0 times theorem prover too weak. 12984 trivial. 0 not checked. [2024-11-19 11:16:20,564 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 11:16:20,994 INFO L134 CoverageAnalysis]: Checked inductivity of 13944 backedges. 369 proven. 591 refuted. 0 times theorem prover too weak. 12984 trivial. 0 not checked. [2024-11-19 11:16:20,994 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [568040294] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 11:16:20,994 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 11:16:20,994 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 9, 10] total 19 [2024-11-19 11:16:20,994 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1681869047] [2024-11-19 11:16:20,994 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 11:16:20,995 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2024-11-19 11:16:20,995 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 11:16:20,996 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2024-11-19 11:16:20,996 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=316, Unknown=0, NotChecked=0, Total=380 [2024-11-19 11:16:20,996 INFO L87 Difference]: Start difference. First operand 154 states and 243 transitions. Second operand has 20 states, 18 states have (on average 6.277777777777778) internal successors, (113), 17 states have internal predecessors, (113), 11 states have call successors, (234), 1 states have call predecessors, (234), 2 states have return successors, (236), 11 states have call predecessors, (236), 11 states have call successors, (236) [2024-11-19 11:16:21,601 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 11:16:21,601 INFO L93 Difference]: Finished difference Result 158 states and 250 transitions. [2024-11-19 11:16:21,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-19 11:16:21,602 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 18 states have (on average 6.277777777777778) internal successors, (113), 17 states have internal predecessors, (113), 11 states have call successors, (234), 1 states have call predecessors, (234), 2 states have return successors, (236), 11 states have call predecessors, (236), 11 states have call successors, (236) Word has length 459 [2024-11-19 11:16:21,602 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 11:16:21,604 INFO L225 Difference]: With dead ends: 158 [2024-11-19 11:16:21,604 INFO L226 Difference]: Without dead ends: 157 [2024-11-19 11:16:21,604 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 928 GetRequests, 903 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 88 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=146, Invalid=556, Unknown=0, NotChecked=0, Total=702 [2024-11-19 11:16:21,605 INFO L432 NwaCegarLoop]: 144 mSDtfsCounter, 138 mSDsluCounter, 1035 mSDsCounter, 0 mSdLazyCounter, 1067 mSolverCounterSat, 72 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 138 SdHoareTripleChecker+Valid, 1179 SdHoareTripleChecker+Invalid, 1139 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 72 IncrementalHoareTripleChecker+Valid, 1067 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-19 11:16:21,605 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [138 Valid, 1179 Invalid, 1139 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [72 Valid, 1067 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-19 11:16:21,605 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 157 states. [2024-11-19 11:16:21,622 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 157 to 153. [2024-11-19 11:16:21,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 153 states, 62 states have (on average 1.1612903225806452) internal successors, (72), 66 states have internal predecessors, (72), 85 states have call successors, (85), 1 states have call predecessors, (85), 1 states have return successors, (85), 85 states have call predecessors, (85), 85 states have call successors, (85) [2024-11-19 11:16:21,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 153 states and 242 transitions. [2024-11-19 11:16:21,624 INFO L78 Accepts]: Start accepts. Automaton has 153 states and 242 transitions. Word has length 459 [2024-11-19 11:16:21,625 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 11:16:21,625 INFO L471 AbstractCegarLoop]: Abstraction has 153 states and 242 transitions. [2024-11-19 11:16:21,625 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 18 states have (on average 6.277777777777778) internal successors, (113), 17 states have internal predecessors, (113), 11 states have call successors, (234), 1 states have call predecessors, (234), 2 states have return successors, (236), 11 states have call predecessors, (236), 11 states have call successors, (236) [2024-11-19 11:16:21,625 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 242 transitions. [2024-11-19 11:16:21,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 461 [2024-11-19 11:16:21,628 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 11:16:21,628 INFO L215 NwaCegarLoop]: trace histogram [84, 84, 84, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:16:21,645 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 11:16:21,828 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 11:16:21,829 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-19 11:16:21,830 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 11:16:21,830 INFO L85 PathProgramCache]: Analyzing trace with hash -1994816723, now seen corresponding path program 1 times [2024-11-19 11:16:21,830 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 11:16:21,830 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [366986635] [2024-11-19 11:16:21,830 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 11:16:21,830 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 11:16:21,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 11:16:22,194 INFO L134 CoverageAnalysis]: Checked inductivity of 13944 backedges. 36 proven. 213 refuted. 0 times theorem prover too weak. 13695 trivial. 0 not checked. [2024-11-19 11:16:22,194 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 11:16:22,195 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [366986635] [2024-11-19 11:16:22,195 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [366986635] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 11:16:22,195 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [586239328] [2024-11-19 11:16:22,195 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 11:16:22,195 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 11:16:22,195 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 11:16:22,197 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 11:16:22,198 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 11:16:22,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 11:16:22,356 INFO L255 TraceCheckSpWp]: Trace formula consists of 859 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-19 11:16:22,362 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 11:16:22,652 INFO L134 CoverageAnalysis]: Checked inductivity of 13944 backedges. 36 proven. 213 refuted. 0 times theorem prover too weak. 13695 trivial. 0 not checked. [2024-11-19 11:16:22,652 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 11:16:22,999 INFO L134 CoverageAnalysis]: Checked inductivity of 13944 backedges. 36 proven. 213 refuted. 0 times theorem prover too weak. 13695 trivial. 0 not checked. [2024-11-19 11:16:22,999 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [586239328] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 11:16:22,999 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 11:16:22,999 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 5, 5] total 14 [2024-11-19 11:16:23,000 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1052222938] [2024-11-19 11:16:23,000 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 11:16:23,001 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-19 11:16:23,001 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 11:16:23,002 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-19 11:16:23,002 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=179, Unknown=0, NotChecked=0, Total=210 [2024-11-19 11:16:23,003 INFO L87 Difference]: Start difference. First operand 153 states and 242 transitions. Second operand has 15 states, 14 states have (on average 8.142857142857142) internal successors, (114), 15 states have internal predecessors, (114), 8 states have call successors, (234), 1 states have call predecessors, (234), 2 states have return successors, (235), 8 states have call predecessors, (235), 8 states have call successors, (235) [2024-11-19 11:16:23,699 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 11:16:23,699 INFO L93 Difference]: Finished difference Result 165 states and 258 transitions. [2024-11-19 11:16:23,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-19 11:16:23,700 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 8.142857142857142) internal successors, (114), 15 states have internal predecessors, (114), 8 states have call successors, (234), 1 states have call predecessors, (234), 2 states have return successors, (235), 8 states have call predecessors, (235), 8 states have call successors, (235) Word has length 460 [2024-11-19 11:16:23,700 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 11:16:23,702 INFO L225 Difference]: With dead ends: 165 [2024-11-19 11:16:23,702 INFO L226 Difference]: Without dead ends: 164 [2024-11-19 11:16:23,702 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 939 GetRequests, 915 SyntacticMatches, 1 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=102, Invalid=498, Unknown=0, NotChecked=0, Total=600 [2024-11-19 11:16:23,703 INFO L432 NwaCegarLoop]: 131 mSDtfsCounter, 59 mSDsluCounter, 1164 mSDsCounter, 0 mSdLazyCounter, 1308 mSolverCounterSat, 75 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 59 SdHoareTripleChecker+Valid, 1295 SdHoareTripleChecker+Invalid, 1383 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 75 IncrementalHoareTripleChecker+Valid, 1308 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-19 11:16:23,703 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [59 Valid, 1295 Invalid, 1383 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [75 Valid, 1308 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-19 11:16:23,704 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 164 states. [2024-11-19 11:16:23,726 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 164 to 152. [2024-11-19 11:16:23,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 152 states, 62 states have (on average 1.1451612903225807) internal successors, (71), 65 states have internal predecessors, (71), 85 states have call successors, (85), 1 states have call predecessors, (85), 1 states have return successors, (85), 85 states have call predecessors, (85), 85 states have call successors, (85) [2024-11-19 11:16:23,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 241 transitions. [2024-11-19 11:16:23,728 INFO L78 Accepts]: Start accepts. Automaton has 152 states and 241 transitions. Word has length 460 [2024-11-19 11:16:23,729 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 11:16:23,729 INFO L471 AbstractCegarLoop]: Abstraction has 152 states and 241 transitions. [2024-11-19 11:16:23,729 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 8.142857142857142) internal successors, (114), 15 states have internal predecessors, (114), 8 states have call successors, (234), 1 states have call predecessors, (234), 2 states have return successors, (235), 8 states have call predecessors, (235), 8 states have call successors, (235) [2024-11-19 11:16:23,729 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 241 transitions. [2024-11-19 11:16:23,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 464 [2024-11-19 11:16:23,732 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 11:16:23,732 INFO L215 NwaCegarLoop]: trace histogram [84, 84, 84, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:16:23,750 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Forceful destruction successful, exit code 0 [2024-11-19 11:16:23,932 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 11:16:23,933 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-19 11:16:23,933 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 11:16:23,933 INFO L85 PathProgramCache]: Analyzing trace with hash 1877694413, now seen corresponding path program 1 times [2024-11-19 11:16:23,933 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 11:16:23,934 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1149940293] [2024-11-19 11:16:23,934 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 11:16:23,934 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 11:16:23,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 11:16:24,193 INFO L134 CoverageAnalysis]: Checked inductivity of 13944 backedges. 30 proven. 219 refuted. 0 times theorem prover too weak. 13695 trivial. 0 not checked. [2024-11-19 11:16:24,193 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 11:16:24,193 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1149940293] [2024-11-19 11:16:24,194 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1149940293] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 11:16:24,194 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1498505620] [2024-11-19 11:16:24,194 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 11:16:24,194 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 11:16:24,194 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 11:16:24,196 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 11:16:24,202 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 11:16:24,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 11:16:24,372 INFO L255 TraceCheckSpWp]: Trace formula consists of 864 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-11-19 11:16:24,378 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 11:16:24,851 INFO L134 CoverageAnalysis]: Checked inductivity of 13944 backedges. 369 proven. 591 refuted. 0 times theorem prover too weak. 12984 trivial. 0 not checked. [2024-11-19 11:16:24,851 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 11:16:25,285 INFO L134 CoverageAnalysis]: Checked inductivity of 13944 backedges. 369 proven. 591 refuted. 0 times theorem prover too weak. 12984 trivial. 0 not checked. [2024-11-19 11:16:25,286 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1498505620] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 11:16:25,286 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 11:16:25,286 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 10, 11] total 20 [2024-11-19 11:16:25,286 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [871098932] [2024-11-19 11:16:25,286 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 11:16:25,287 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2024-11-19 11:16:25,287 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 11:16:25,288 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2024-11-19 11:16:25,288 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=358, Unknown=0, NotChecked=0, Total=420 [2024-11-19 11:16:25,289 INFO L87 Difference]: Start difference. First operand 152 states and 241 transitions. Second operand has 21 states, 19 states have (on average 6.315789473684211) internal successors, (120), 20 states have internal predecessors, (120), 11 states have call successors, (234), 1 states have call predecessors, (234), 2 states have return successors, (236), 10 states have call predecessors, (236), 11 states have call successors, (236) [2024-11-19 11:16:26,005 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 11:16:26,005 INFO L93 Difference]: Finished difference Result 156 states and 246 transitions. [2024-11-19 11:16:26,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-19 11:16:26,006 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 19 states have (on average 6.315789473684211) internal successors, (120), 20 states have internal predecessors, (120), 11 states have call successors, (234), 1 states have call predecessors, (234), 2 states have return successors, (236), 10 states have call predecessors, (236), 11 states have call successors, (236) Word has length 463 [2024-11-19 11:16:26,006 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 11:16:26,008 INFO L225 Difference]: With dead ends: 156 [2024-11-19 11:16:26,008 INFO L226 Difference]: Without dead ends: 155 [2024-11-19 11:16:26,009 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 937 GetRequests, 910 SyntacticMatches, 1 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 97 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=138, Invalid=618, Unknown=0, NotChecked=0, Total=756 [2024-11-19 11:16:26,010 INFO L432 NwaCegarLoop]: 139 mSDtfsCounter, 183 mSDsluCounter, 1292 mSDsCounter, 0 mSdLazyCounter, 1399 mSolverCounterSat, 147 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 183 SdHoareTripleChecker+Valid, 1431 SdHoareTripleChecker+Invalid, 1546 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 147 IncrementalHoareTripleChecker+Valid, 1399 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-19 11:16:26,011 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [183 Valid, 1431 Invalid, 1546 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [147 Valid, 1399 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-19 11:16:26,011 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 155 states. [2024-11-19 11:16:26,033 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 155 to 151. [2024-11-19 11:16:26,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 151 states, 62 states have (on average 1.1290322580645162) internal successors, (70), 64 states have internal predecessors, (70), 85 states have call successors, (85), 1 states have call predecessors, (85), 1 states have return successors, (85), 85 states have call predecessors, (85), 85 states have call successors, (85) [2024-11-19 11:16:26,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 240 transitions. [2024-11-19 11:16:26,035 INFO L78 Accepts]: Start accepts. Automaton has 151 states and 240 transitions. Word has length 463 [2024-11-19 11:16:26,036 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 11:16:26,036 INFO L471 AbstractCegarLoop]: Abstraction has 151 states and 240 transitions. [2024-11-19 11:16:26,036 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 19 states have (on average 6.315789473684211) internal successors, (120), 20 states have internal predecessors, (120), 11 states have call successors, (234), 1 states have call predecessors, (234), 2 states have return successors, (236), 10 states have call predecessors, (236), 11 states have call successors, (236) [2024-11-19 11:16:26,036 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 240 transitions. [2024-11-19 11:16:26,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 469 [2024-11-19 11:16:26,039 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 11:16:26,039 INFO L215 NwaCegarLoop]: trace histogram [85, 85, 85, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:16:26,057 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 11:16:26,243 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 11:16:26,244 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-19 11:16:26,244 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 11:16:26,244 INFO L85 PathProgramCache]: Analyzing trace with hash 149854721, now seen corresponding path program 1 times [2024-11-19 11:16:26,244 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 11:16:26,244 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [260437154] [2024-11-19 11:16:26,245 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 11:16:26,245 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 11:16:26,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 11:16:26,491 INFO L134 CoverageAnalysis]: Checked inductivity of 14280 backedges. 36 proven. 216 refuted. 0 times theorem prover too weak. 14028 trivial. 0 not checked. [2024-11-19 11:16:26,491 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 11:16:26,491 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [260437154] [2024-11-19 11:16:26,491 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [260437154] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 11:16:26,491 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [826173753] [2024-11-19 11:16:26,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 11:16:26,492 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 11:16:26,492 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 11:16:26,494 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 11:16:26,495 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 11:16:26,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 11:16:26,642 INFO L255 TraceCheckSpWp]: Trace formula consists of 876 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-19 11:16:26,647 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 11:16:26,879 INFO L134 CoverageAnalysis]: Checked inductivity of 14280 backedges. 36 proven. 216 refuted. 0 times theorem prover too weak. 14028 trivial. 0 not checked. [2024-11-19 11:16:26,879 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 11:16:27,184 INFO L134 CoverageAnalysis]: Checked inductivity of 14280 backedges. 36 proven. 216 refuted. 0 times theorem prover too weak. 14028 trivial. 0 not checked. [2024-11-19 11:16:27,184 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [826173753] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 11:16:27,184 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 11:16:27,184 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 9 [2024-11-19 11:16:27,184 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1390574471] [2024-11-19 11:16:27,184 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 11:16:27,185 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-19 11:16:27,185 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 11:16:27,186 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-19 11:16:27,186 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2024-11-19 11:16:27,186 INFO L87 Difference]: Start difference. First operand 151 states and 240 transitions. Second operand has 10 states, 9 states have (on average 13.444444444444445) internal successors, (121), 8 states have internal predecessors, (121), 6 states have call successors, (228), 1 states have call predecessors, (228), 2 states have return successors, (229), 6 states have call predecessors, (229), 6 states have call successors, (229) [2024-11-19 11:16:27,409 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 11:16:27,409 INFO L93 Difference]: Finished difference Result 151 states and 240 transitions. [2024-11-19 11:16:27,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-19 11:16:27,410 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 13.444444444444445) internal successors, (121), 8 states have internal predecessors, (121), 6 states have call successors, (228), 1 states have call predecessors, (228), 2 states have return successors, (229), 6 states have call predecessors, (229), 6 states have call successors, (229) Word has length 468 [2024-11-19 11:16:27,410 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 11:16:27,411 INFO L225 Difference]: With dead ends: 151 [2024-11-19 11:16:27,411 INFO L226 Difference]: Without dead ends: 150 [2024-11-19 11:16:27,411 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 939 GetRequests, 931 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 11:16:27,412 INFO L432 NwaCegarLoop]: 148 mSDtfsCounter, 38 mSDsluCounter, 254 mSDsCounter, 0 mSdLazyCounter, 304 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 38 SdHoareTripleChecker+Valid, 402 SdHoareTripleChecker+Invalid, 304 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 304 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-19 11:16:27,412 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [38 Valid, 402 Invalid, 304 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 304 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-19 11:16:27,413 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 150 states. [2024-11-19 11:16:27,435 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 150 to 150. [2024-11-19 11:16:27,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 150 states, 62 states have (on average 1.1129032258064515) internal successors, (69), 63 states have internal predecessors, (69), 85 states have call successors, (85), 1 states have call predecessors, (85), 1 states have return successors, (85), 85 states have call predecessors, (85), 85 states have call successors, (85) [2024-11-19 11:16:27,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 150 states and 239 transitions. [2024-11-19 11:16:27,436 INFO L78 Accepts]: Start accepts. Automaton has 150 states and 239 transitions. Word has length 468 [2024-11-19 11:16:27,436 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 11:16:27,436 INFO L471 AbstractCegarLoop]: Abstraction has 150 states and 239 transitions. [2024-11-19 11:16:27,437 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 13.444444444444445) internal successors, (121), 8 states have internal predecessors, (121), 6 states have call successors, (228), 1 states have call predecessors, (228), 2 states have return successors, (229), 6 states have call predecessors, (229), 6 states have call successors, (229) [2024-11-19 11:16:27,437 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 239 transitions. [2024-11-19 11:16:27,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 470 [2024-11-19 11:16:27,439 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 11:16:27,440 INFO L215 NwaCegarLoop]: trace histogram [85, 85, 85, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:16:27,458 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 11:16:27,640 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 11:16:27,641 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-19 11:16:27,641 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 11:16:27,641 INFO L85 PathProgramCache]: Analyzing trace with hash 350529282, now seen corresponding path program 1 times [2024-11-19 11:16:27,641 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 11:16:27,641 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1063417168] [2024-11-19 11:16:27,641 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 11:16:27,642 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 11:16:27,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 11:16:28,051 INFO L134 CoverageAnalysis]: Checked inductivity of 14280 backedges. 42 proven. 210 refuted. 0 times theorem prover too weak. 14028 trivial. 0 not checked. [2024-11-19 11:16:28,051 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 11:16:28,051 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1063417168] [2024-11-19 11:16:28,051 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1063417168] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 11:16:28,051 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1004704706] [2024-11-19 11:16:28,051 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 11:16:28,051 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 11:16:28,051 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 11:16:28,053 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 11:16:28,053 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2024-11-19 11:16:28,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 11:16:28,194 INFO L255 TraceCheckSpWp]: Trace formula consists of 877 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-19 11:16:28,200 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 11:16:28,473 INFO L134 CoverageAnalysis]: Checked inductivity of 14280 backedges. 42 proven. 210 refuted. 0 times theorem prover too weak. 14028 trivial. 0 not checked. [2024-11-19 11:16:28,473 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 11:16:28,798 INFO L134 CoverageAnalysis]: Checked inductivity of 14280 backedges. 42 proven. 210 refuted. 0 times theorem prover too weak. 14028 trivial. 0 not checked. [2024-11-19 11:16:28,798 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1004704706] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 11:16:28,798 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 11:16:28,798 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 5, 5] total 16 [2024-11-19 11:16:28,798 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [879517558] [2024-11-19 11:16:28,798 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 11:16:28,799 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-11-19 11:16:28,799 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 11:16:28,800 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-11-19 11:16:28,800 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=237, Unknown=0, NotChecked=0, Total=272 [2024-11-19 11:16:28,801 INFO L87 Difference]: Start difference. First operand 150 states and 239 transitions. Second operand has 17 states, 16 states have (on average 7.8125) internal successors, (125), 17 states have internal predecessors, (125), 9 states have call successors, (235), 1 states have call predecessors, (235), 2 states have return successors, (236), 9 states have call predecessors, (236), 9 states have call successors, (236) [2024-11-19 11:16:29,660 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 11:16:29,660 INFO L93 Difference]: Finished difference Result 169 states and 264 transitions. [2024-11-19 11:16:29,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-19 11:16:29,664 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 7.8125) internal successors, (125), 17 states have internal predecessors, (125), 9 states have call successors, (235), 1 states have call predecessors, (235), 2 states have return successors, (236), 9 states have call predecessors, (236), 9 states have call successors, (236) Word has length 469 [2024-11-19 11:16:29,664 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 11:16:29,666 INFO L225 Difference]: With dead ends: 169 [2024-11-19 11:16:29,666 INFO L226 Difference]: Without dead ends: 168 [2024-11-19 11:16:29,666 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 962 GetRequests, 933 SyntacticMatches, 1 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 74 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=127, Invalid=743, Unknown=0, NotChecked=0, Total=870 [2024-11-19 11:16:29,667 INFO L432 NwaCegarLoop]: 132 mSDtfsCounter, 81 mSDsluCounter, 1300 mSDsCounter, 0 mSdLazyCounter, 1639 mSolverCounterSat, 73 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 81 SdHoareTripleChecker+Valid, 1432 SdHoareTripleChecker+Invalid, 1712 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 73 IncrementalHoareTripleChecker+Valid, 1639 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-19 11:16:29,667 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [81 Valid, 1432 Invalid, 1712 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [73 Valid, 1639 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-19 11:16:29,671 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 168 states. [2024-11-19 11:16:29,694 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 168 to 149. [2024-11-19 11:16:29,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 149 states, 62 states have (on average 1.096774193548387) internal successors, (68), 62 states have internal predecessors, (68), 85 states have call successors, (85), 1 states have call predecessors, (85), 1 states have return successors, (85), 85 states have call predecessors, (85), 85 states have call successors, (85) [2024-11-19 11:16:29,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 149 states and 238 transitions. [2024-11-19 11:16:29,697 INFO L78 Accepts]: Start accepts. Automaton has 149 states and 238 transitions. Word has length 469 [2024-11-19 11:16:29,698 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 11:16:29,698 INFO L471 AbstractCegarLoop]: Abstraction has 149 states and 238 transitions. [2024-11-19 11:16:29,698 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 7.8125) internal successors, (125), 17 states have internal predecessors, (125), 9 states have call successors, (235), 1 states have call predecessors, (235), 2 states have return successors, (236), 9 states have call predecessors, (236), 9 states have call successors, (236) [2024-11-19 11:16:29,699 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 238 transitions. [2024-11-19 11:16:29,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 473 [2024-11-19 11:16:29,701 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 11:16:29,701 INFO L215 NwaCegarLoop]: trace histogram [85, 85, 85, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:16:29,720 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Forceful destruction successful, exit code 0 [2024-11-19 11:16:29,902 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2024-11-19 11:16:29,902 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-19 11:16:29,902 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 11:16:29,903 INFO L85 PathProgramCache]: Analyzing trace with hash 1552573928, now seen corresponding path program 1 times [2024-11-19 11:16:29,903 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 11:16:29,903 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [449780215] [2024-11-19 11:16:29,903 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 11:16:29,903 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 11:16:29,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 11:16:30,228 INFO L134 CoverageAnalysis]: Checked inductivity of 14280 backedges. 78 proven. 420 refuted. 0 times theorem prover too weak. 13782 trivial. 0 not checked. [2024-11-19 11:16:30,228 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 11:16:30,228 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [449780215] [2024-11-19 11:16:30,228 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [449780215] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 11:16:30,228 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [20105686] [2024-11-19 11:16:30,228 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 11:16:30,228 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 11:16:30,229 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 11:16:30,230 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 11:16:30,230 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2024-11-19 11:16:30,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 11:16:30,366 INFO L255 TraceCheckSpWp]: Trace formula consists of 882 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-19 11:16:30,371 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 11:16:30,700 INFO L134 CoverageAnalysis]: Checked inductivity of 14280 backedges. 36 proven. 216 refuted. 0 times theorem prover too weak. 14028 trivial. 0 not checked. [2024-11-19 11:16:30,700 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 11:16:31,017 INFO L134 CoverageAnalysis]: Checked inductivity of 14280 backedges. 36 proven. 216 refuted. 0 times theorem prover too weak. 14028 trivial. 0 not checked. [2024-11-19 11:16:31,018 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [20105686] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 11:16:31,018 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 11:16:31,018 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 10 [2024-11-19 11:16:31,018 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [499799632] [2024-11-19 11:16:31,018 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 11:16:31,019 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-19 11:16:31,019 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 11:16:31,020 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-19 11:16:31,020 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2024-11-19 11:16:31,020 INFO L87 Difference]: Start difference. First operand 149 states and 238 transitions. Second operand has 11 states, 10 states have (on average 13.0) internal successors, (130), 11 states have internal predecessors, (130), 5 states have call successors, (227), 1 states have call predecessors, (227), 2 states have return successors, (227), 5 states have call predecessors, (227), 5 states have call successors, (227) [2024-11-19 11:16:31,321 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 11:16:31,321 INFO L93 Difference]: Finished difference Result 149 states and 238 transitions. [2024-11-19 11:16:31,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-19 11:16:31,321 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 13.0) internal successors, (130), 11 states have internal predecessors, (130), 5 states have call successors, (227), 1 states have call predecessors, (227), 2 states have return successors, (227), 5 states have call predecessors, (227), 5 states have call successors, (227) Word has length 472 [2024-11-19 11:16:31,322 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 11:16:31,322 INFO L225 Difference]: With dead ends: 149 [2024-11-19 11:16:31,322 INFO L226 Difference]: Without dead ends: 0 [2024-11-19 11:16:31,323 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 951 GetRequests, 940 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 11:16:31,324 INFO L432 NwaCegarLoop]: 145 mSDtfsCounter, 36 mSDsluCounter, 446 mSDsCounter, 0 mSdLazyCounter, 456 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 591 SdHoareTripleChecker+Invalid, 456 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 456 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-19 11:16:31,324 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 591 Invalid, 456 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 456 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-19 11:16:31,324 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-19 11:16:31,324 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-19 11:16:31,324 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 11:16:31,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-19 11:16:31,325 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 472 [2024-11-19 11:16:31,325 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 11:16:31,325 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-19 11:16:31,325 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 13.0) internal successors, (130), 11 states have internal predecessors, (130), 5 states have call successors, (227), 1 states have call predecessors, (227), 2 states have return successors, (227), 5 states have call predecessors, (227), 5 states have call successors, (227) [2024-11-19 11:16:31,325 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-19 11:16:31,325 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-19 11:16:31,328 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (27 of 28 remaining) [2024-11-19 11:16:31,329 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (26 of 28 remaining) [2024-11-19 11:16:31,329 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (25 of 28 remaining) [2024-11-19 11:16:31,329 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (24 of 28 remaining) [2024-11-19 11:16:31,329 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (23 of 28 remaining) [2024-11-19 11:16:31,329 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (22 of 28 remaining) [2024-11-19 11:16:31,329 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (21 of 28 remaining) [2024-11-19 11:16:31,330 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (20 of 28 remaining) [2024-11-19 11:16:31,330 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 28 remaining) [2024-11-19 11:16:31,330 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 28 remaining) [2024-11-19 11:16:31,330 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 28 remaining) [2024-11-19 11:16:31,330 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 28 remaining) [2024-11-19 11:16:31,330 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 28 remaining) [2024-11-19 11:16:31,330 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 28 remaining) [2024-11-19 11:16:31,331 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 28 remaining) [2024-11-19 11:16:31,331 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 28 remaining) [2024-11-19 11:16:31,331 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 28 remaining) [2024-11-19 11:16:31,331 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 28 remaining) [2024-11-19 11:16:31,331 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 28 remaining) [2024-11-19 11:16:31,331 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 28 remaining) [2024-11-19 11:16:31,332 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 28 remaining) [2024-11-19 11:16:31,332 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 28 remaining) [2024-11-19 11:16:31,332 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 28 remaining) [2024-11-19 11:16:31,332 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 28 remaining) [2024-11-19 11:16:31,332 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 28 remaining) [2024-11-19 11:16:31,332 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 28 remaining) [2024-11-19 11:16:31,333 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 28 remaining) [2024-11-19 11:16:31,333 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 28 remaining) [2024-11-19 11:16:31,352 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Forceful destruction successful, exit code 0 [2024-11-19 11:16:31,533 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,23 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 11:16:31,537 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, 1, 1] [2024-11-19 11:16:31,539 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-19 11:16:36,272 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-19 11:16:36,288 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 11:16:36 BoogieIcfgContainer [2024-11-19 11:16:36,288 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-19 11:16:36,289 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-19 11:16:36,289 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-19 11:16:36,289 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-19 11:16:36,289 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 11:15:44" (3/4) ... [2024-11-19 11:16:36,293 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-19 11:16:36,297 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume [2024-11-19 11:16:36,309 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2024-11-19 11:16:36,311 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-19 11:16:36,312 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-19 11:16:36,312 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-19 11:16:36,438 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-19 11:16:36,439 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-19 11:16:36,439 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-19 11:16:36,439 INFO L158 Benchmark]: Toolchain (without parser) took 53334.87ms. Allocated memory was 127.9MB in the beginning and 645.9MB in the end (delta: 518.0MB). Free memory was 72.0MB in the beginning and 463.1MB in the end (delta: -391.1MB). Peak memory consumption was 128.1MB. Max. memory is 16.1GB. [2024-11-19 11:16:36,440 INFO L158 Benchmark]: CDTParser took 0.90ms. Allocated memory is still 127.9MB. Free memory is still 88.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-19 11:16:36,440 INFO L158 Benchmark]: CACSL2BoogieTranslator took 318.92ms. Allocated memory is still 127.9MB. Free memory was 71.8MB in the beginning and 57.4MB in the end (delta: 14.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-19 11:16:36,441 INFO L158 Benchmark]: Boogie Procedure Inliner took 57.79ms. Allocated memory is still 127.9MB. Free memory was 57.4MB in the beginning and 54.9MB in the end (delta: 2.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-19 11:16:36,442 INFO L158 Benchmark]: Boogie Preprocessor took 52.12ms. Allocated memory is still 127.9MB. Free memory was 54.9MB in the beginning and 99.5MB in the end (delta: -44.5MB). Peak memory consumption was 10.1MB. Max. memory is 16.1GB. [2024-11-19 11:16:36,442 INFO L158 Benchmark]: RCFGBuilder took 573.98ms. Allocated memory was 127.9MB in the beginning and 163.6MB in the end (delta: 35.7MB). Free memory was 99.4MB in the beginning and 111.5MB in the end (delta: -12.1MB). Peak memory consumption was 25.9MB. Max. memory is 16.1GB. [2024-11-19 11:16:36,442 INFO L158 Benchmark]: TraceAbstraction took 52171.86ms. Allocated memory was 163.6MB in the beginning and 645.9MB in the end (delta: 482.3MB). Free memory was 110.6MB in the beginning and 471.5MB in the end (delta: -360.9MB). Peak memory consumption was 368.9MB. Max. memory is 16.1GB. [2024-11-19 11:16:36,443 INFO L158 Benchmark]: Witness Printer took 150.26ms. Allocated memory is still 645.9MB. Free memory was 471.5MB in the beginning and 463.1MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-19 11:16:36,444 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.90ms. Allocated memory is still 127.9MB. Free memory is still 88.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 318.92ms. Allocated memory is still 127.9MB. Free memory was 71.8MB in the beginning and 57.4MB in the end (delta: 14.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 57.79ms. Allocated memory is still 127.9MB. Free memory was 57.4MB in the beginning and 54.9MB in the end (delta: 2.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 52.12ms. Allocated memory is still 127.9MB. Free memory was 54.9MB in the beginning and 99.5MB in the end (delta: -44.5MB). Peak memory consumption was 10.1MB. Max. memory is 16.1GB. * RCFGBuilder took 573.98ms. Allocated memory was 127.9MB in the beginning and 163.6MB in the end (delta: 35.7MB). Free memory was 99.4MB in the beginning and 111.5MB in the end (delta: -12.1MB). Peak memory consumption was 25.9MB. Max. memory is 16.1GB. * TraceAbstraction took 52171.86ms. Allocated memory was 163.6MB in the beginning and 645.9MB in the end (delta: 482.3MB). Free memory was 110.6MB in the beginning and 471.5MB in the end (delta: -360.9MB). Peak memory consumption was 368.9MB. Max. memory is 16.1GB. * Witness Printer took 150.26ms. Allocated memory is still 645.9MB. Free memory was 471.5MB in the beginning and 463.1MB in the end (delta: 8.4MB). 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: 138]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 138]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 139]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 139]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 141]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 141]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 142]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 142]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 144]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 144]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 145]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 145]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 147]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 147]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 148]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 148]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 150]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 150]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 151]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 151]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 153]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 153]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 154]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 154]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 156]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 156]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 157]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 157]: 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, 183 locations, 28 error locations. Started 1 CEGAR loops. OverallTime: 47.4s, OverallIterations: 23, TraceHistogramMax: 85, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 13.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1215 SdHoareTripleChecker+Valid, 10.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1215 mSDsluCounter, 22682 SdHoareTripleChecker+Invalid, 9.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 19003 mSDsCounter, 1212 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 18514 IncrementalHoareTripleChecker+Invalid, 19726 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1212 mSolverCounterUnsat, 3679 mSDtfsCounter, 18514 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 19204 GetRequests, 18838 SyntacticMatches, 13 SemanticMatches, 353 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 860 ImplicationChecksByTransitivity, 2.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=183occurred in iteration=0, InterpolantAutomatonStates: 221, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.6s AutomataMinimizationTime, 23 MinimizatonAttempts, 64 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.8s SsaConstructionTime, 2.9s SatisfiabilityAnalysisTime, 24.1s InterpolantComputationTime, 19837 NumberOfCodeBlocks, 19837 NumberOfCodeBlocksAsserted, 45 NumberOfCheckSat, 29067 ConstructedInterpolants, 0 QuantifiedInterpolants, 65374 SizeOfPredicates, 48 NumberOfNonLiveVariables, 18079 ConjunctsInSsa, 274 ConjunctsInUnsatCore, 66 InterpolantComputations, 2 PerfectInterpolantSequences, 853512/874368 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 28 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 11:16:36,476 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE