./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/no-overflow.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/ps4-ll_valuebound20.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version fca748b1 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/ps4-ll_valuebound20.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 1fbe6596ea58bb65874b731661e9f9f596a91893af06dcebaa497157579c7f46 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dd.update-z3-fca748b-m [2024-11-20 18:58:18,353 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-20 18:58:18,399 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-20 18:58:18,404 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-20 18:58:18,404 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-20 18:58:18,424 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-20 18:58:18,425 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-20 18:58:18,425 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-20 18:58:18,425 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-20 18:58:18,426 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-20 18:58:18,426 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-20 18:58:18,426 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-20 18:58:18,426 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-20 18:58:18,427 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-20 18:58:18,427 INFO L153 SettingsManager]: * Use SBE=true [2024-11-20 18:58:18,427 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-20 18:58:18,427 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-20 18:58:18,428 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-20 18:58:18,428 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-20 18:58:18,428 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-20 18:58:18,428 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-20 18:58:18,431 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-20 18:58:18,431 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-20 18:58:18,431 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-20 18:58:18,432 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-20 18:58:18,432 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-20 18:58:18,432 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-20 18:58:18,432 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-20 18:58:18,432 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-20 18:58:18,432 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-20 18:58:18,432 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-20 18:58:18,433 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-20 18:58:18,433 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-20 18:58:18,433 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-20 18:58:18,433 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 18:58:18,433 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-20 18:58:18,433 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-20 18:58:18,433 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-20 18:58:18,433 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-20 18:58:18,434 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-20 18:58:18,434 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-20 18:58:18,435 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-20 18:58:18,435 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-20 18:58:18,435 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-20 18:58:18,436 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1fbe6596ea58bb65874b731661e9f9f596a91893af06dcebaa497157579c7f46 [2024-11-20 18:58:18,626 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-20 18:58:18,646 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-20 18:58:18,648 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-20 18:58:18,651 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-20 18:58:18,651 INFO L274 PluginConnector]: CDTParser initialized [2024-11-20 18:58:18,652 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/ps4-ll_valuebound20.c [2024-11-20 18:58:19,840 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-20 18:58:19,981 INFO L384 CDTParser]: Found 1 translation units. [2024-11-20 18:58:19,981 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/ps4-ll_valuebound20.c [2024-11-20 18:58:19,987 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/53568bcfa/3ca508339c75428fb977935f1e98b7f1/FLAG5ae3ab645 [2024-11-20 18:58:19,999 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/53568bcfa/3ca508339c75428fb977935f1e98b7f1 [2024-11-20 18:58:20,001 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-20 18:58:20,002 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-20 18:58:20,005 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-20 18:58:20,005 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-20 18:58:20,009 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-20 18:58:20,010 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:58:20" (1/1) ... [2024-11-20 18:58:20,010 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5ed543ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:58:20, skipping insertion in model container [2024-11-20 18:58:20,011 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:58:20" (1/1) ... [2024-11-20 18:58:20,024 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-20 18:58:20,173 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 18:58:20,185 INFO L200 MainTranslator]: Completed pre-run [2024-11-20 18:58:20,203 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 18:58:20,217 INFO L204 MainTranslator]: Completed translation [2024-11-20 18:58:20,218 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:58:20 WrapperNode [2024-11-20 18:58:20,218 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-20 18:58:20,219 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-20 18:58:20,219 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-20 18:58:20,219 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-20 18:58:20,224 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:58:20" (1/1) ... [2024-11-20 18:58:20,233 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:58:20" (1/1) ... [2024-11-20 18:58:20,252 INFO L138 Inliner]: procedures = 14, calls = 12, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 104 [2024-11-20 18:58:20,256 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-20 18:58:20,256 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-20 18:58:20,256 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-20 18:58:20,256 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-20 18:58:20,264 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:58:20" (1/1) ... [2024-11-20 18:58:20,282 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:58:20" (1/1) ... [2024-11-20 18:58:20,284 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:58:20" (1/1) ... [2024-11-20 18:58:20,297 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-20 18:58:20,297 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:58:20" (1/1) ... [2024-11-20 18:58:20,298 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:58:20" (1/1) ... [2024-11-20 18:58:20,303 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:58:20" (1/1) ... [2024-11-20 18:58:20,305 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:58:20" (1/1) ... [2024-11-20 18:58:20,308 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:58:20" (1/1) ... [2024-11-20 18:58:20,310 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:58:20" (1/1) ... [2024-11-20 18:58:20,311 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-20 18:58:20,311 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-20 18:58:20,312 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-20 18:58:20,312 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-20 18:58:20,322 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:58:20" (1/1) ... [2024-11-20 18:58:20,329 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 18:58:20,339 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 18:58:20,353 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-20 18:58:20,358 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-20 18:58:20,390 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-20 18:58:20,391 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-20 18:58:20,391 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-20 18:58:20,391 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-20 18:58:20,391 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-20 18:58:20,391 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-20 18:58:20,436 INFO L238 CfgBuilder]: Building ICFG [2024-11-20 18:58:20,437 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-20 18:58:20,807 INFO L? ?]: Removed 75 outVars from TransFormulas that were not future-live. [2024-11-20 18:58:20,807 INFO L287 CfgBuilder]: Performing block encoding [2024-11-20 18:58:20,825 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-20 18:58:20,825 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-20 18:58:20,826 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:58:20 BoogieIcfgContainer [2024-11-20 18:58:20,826 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-20 18:58:20,827 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-20 18:58:20,827 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-20 18:58:20,831 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-20 18:58:20,831 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 06:58:20" (1/3) ... [2024-11-20 18:58:20,832 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2491c55c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 06:58:20, skipping insertion in model container [2024-11-20 18:58:20,833 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:58:20" (2/3) ... [2024-11-20 18:58:20,834 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2491c55c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 06:58:20, skipping insertion in model container [2024-11-20 18:58:20,834 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:58:20" (3/3) ... [2024-11-20 18:58:20,835 INFO L112 eAbstractionObserver]: Analyzing ICFG ps4-ll_valuebound20.c [2024-11-20 18:58:20,848 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-20 18:58:20,848 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 60 error locations. [2024-11-20 18:58:20,901 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-20 18:58:20,907 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;@688fed9b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-20 18:58:20,908 INFO L334 AbstractCegarLoop]: Starting to check reachability of 60 error locations. [2024-11-20 18:58:20,911 INFO L276 IsEmpty]: Start isEmpty. Operand has 139 states, 74 states have (on average 1.8783783783783783) internal successors, (139), 134 states have internal predecessors, (139), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-20 18:58:20,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-20 18:58:20,917 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:58:20,917 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-11-20 18:58:20,918 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2024-11-20 18:58:20,922 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:58:20,923 INFO L85 PathProgramCache]: Analyzing trace with hash 889508915, now seen corresponding path program 1 times [2024-11-20 18:58:20,930 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:58:20,930 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1231962527] [2024-11-20 18:58:20,930 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:58:20,931 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:58:21,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:58:21,034 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 18:58:21,035 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:58:21,035 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1231962527] [2024-11-20 18:58:21,036 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1231962527] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 18:58:21,036 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 18:58:21,036 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 18:58:21,037 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1290298396] [2024-11-20 18:58:21,038 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 18:58:21,043 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-20 18:58:21,043 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:58:21,061 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-20 18:58:21,062 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-20 18:58:21,064 INFO L87 Difference]: Start difference. First operand has 139 states, 74 states have (on average 1.8783783783783783) internal successors, (139), 134 states have internal predecessors, (139), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 18:58:21,093 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:58:21,094 INFO L93 Difference]: Finished difference Result 264 states and 288 transitions. [2024-11-20 18:58:21,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-20 18:58:21,096 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2024-11-20 18:58:21,096 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:58:21,102 INFO L225 Difference]: With dead ends: 264 [2024-11-20 18:58:21,102 INFO L226 Difference]: Without dead ends: 122 [2024-11-20 18:58:21,105 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-20 18:58:21,108 INFO L432 NwaCegarLoop]: 130 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, 130 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-20 18:58:21,109 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 130 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 18:58:21,123 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2024-11-20 18:58:21,141 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 122. [2024-11-20 18:58:21,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 122 states, 69 states have (on average 1.7246376811594204) internal successors, (119), 118 states have internal predecessors, (119), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-20 18:58:21,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 123 transitions. [2024-11-20 18:58:21,146 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 123 transitions. Word has length 6 [2024-11-20 18:58:21,146 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:58:21,147 INFO L471 AbstractCegarLoop]: Abstraction has 122 states and 123 transitions. [2024-11-20 18:58:21,147 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 18:58:21,147 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 123 transitions. [2024-11-20 18:58:21,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-20 18:58:21,147 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:58:21,147 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-11-20 18:58:21,147 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-20 18:58:21,147 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2024-11-20 18:58:21,148 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:58:21,148 INFO L85 PathProgramCache]: Analyzing trace with hash 889568486, now seen corresponding path program 1 times [2024-11-20 18:58:21,148 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:58:21,148 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1491199526] [2024-11-20 18:58:21,148 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:58:21,148 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:58:21,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:58:21,195 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 18:58:21,195 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:58:21,195 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1491199526] [2024-11-20 18:58:21,196 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1491199526] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 18:58:21,196 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 18:58:21,196 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 18:58:21,196 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1906441838] [2024-11-20 18:58:21,197 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 18:58:21,197 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 18:58:21,197 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:58:21,198 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 18:58:21,198 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 18:58:21,198 INFO L87 Difference]: Start difference. First operand 122 states and 123 transitions. Second operand has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 18:58:21,325 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:58:21,326 INFO L93 Difference]: Finished difference Result 228 states and 239 transitions. [2024-11-20 18:58:21,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 18:58:21,326 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2024-11-20 18:58:21,326 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:58:21,327 INFO L225 Difference]: With dead ends: 228 [2024-11-20 18:58:21,328 INFO L226 Difference]: Without dead ends: 217 [2024-11-20 18:58:21,328 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 [2024-11-20 18:58:21,329 INFO L432 NwaCegarLoop]: 98 mSDtfsCounter, 92 mSDsluCounter, 86 mSDsCounter, 0 mSdLazyCounter, 61 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 94 SdHoareTripleChecker+Valid, 184 SdHoareTripleChecker+Invalid, 70 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 61 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-20 18:58:21,329 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [94 Valid, 184 Invalid, 70 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 61 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-20 18:58:21,332 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 217 states. [2024-11-20 18:58:21,350 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 217 to 175. [2024-11-20 18:58:21,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 175 states, 120 states have (on average 1.675) internal successors, (201), 169 states have internal predecessors, (201), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-20 18:58:21,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 175 states and 209 transitions. [2024-11-20 18:58:21,356 INFO L78 Accepts]: Start accepts. Automaton has 175 states and 209 transitions. Word has length 6 [2024-11-20 18:58:21,356 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:58:21,356 INFO L471 AbstractCegarLoop]: Abstraction has 175 states and 209 transitions. [2024-11-20 18:58:21,356 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 18:58:21,356 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 209 transitions. [2024-11-20 18:58:21,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-20 18:58:21,357 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:58:21,357 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 18:58:21,357 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-20 18:58:21,357 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2024-11-20 18:58:21,358 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:58:21,358 INFO L85 PathProgramCache]: Analyzing trace with hash 1186601808, now seen corresponding path program 1 times [2024-11-20 18:58:21,358 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:58:21,358 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1914286921] [2024-11-20 18:58:21,358 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:58:21,358 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:58:21,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-20 18:58:21,369 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [543987824] [2024-11-20 18:58:21,369 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:58:21,369 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:58:21,369 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 18:58:21,374 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-20 18:58:21,378 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-20 18:58:21,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:58:21,425 INFO L255 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-20 18:58:21,430 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 18:58:21,449 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 18:58:21,449 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-20 18:58:21,450 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:58:21,450 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1914286921] [2024-11-20 18:58:21,451 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-20 18:58:21,451 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [543987824] [2024-11-20 18:58:21,451 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [543987824] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 18:58:21,451 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 18:58:21,451 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 18:58:21,452 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [352299635] [2024-11-20 18:58:21,452 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 18:58:21,453 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 18:58:21,455 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:58:21,455 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 18:58:21,456 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 18:58:21,456 INFO L87 Difference]: Start difference. First operand 175 states and 209 transitions. Second operand has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 18:58:21,690 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:58:21,690 INFO L93 Difference]: Finished difference Result 208 states and 217 transitions. [2024-11-20 18:58:21,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 18:58:21,691 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2024-11-20 18:58:21,691 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:58:21,692 INFO L225 Difference]: With dead ends: 208 [2024-11-20 18:58:21,692 INFO L226 Difference]: Without dead ends: 181 [2024-11-20 18:58:21,692 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 18:58:21,693 INFO L432 NwaCegarLoop]: 71 mSDtfsCounter, 52 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 150 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 54 SdHoareTripleChecker+Valid, 95 SdHoareTripleChecker+Invalid, 176 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 150 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-20 18:58:21,694 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [54 Valid, 95 Invalid, 176 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 150 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-20 18:58:21,694 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 181 states. [2024-11-20 18:58:21,700 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 181 to 179. [2024-11-20 18:58:21,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 179 states, 124 states have (on average 1.467741935483871) internal successors, (182), 173 states have internal predecessors, (182), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-20 18:58:21,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 179 states and 190 transitions. [2024-11-20 18:58:21,702 INFO L78 Accepts]: Start accepts. Automaton has 179 states and 190 transitions. Word has length 9 [2024-11-20 18:58:21,702 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:58:21,702 INFO L471 AbstractCegarLoop]: Abstraction has 179 states and 190 transitions. [2024-11-20 18:58:21,702 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 18:58:21,703 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 190 transitions. [2024-11-20 18:58:21,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-20 18:58:21,703 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:58:21,703 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 18:58:21,712 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-20 18:58:21,903 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:58:21,905 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2024-11-20 18:58:21,905 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:58:21,905 INFO L85 PathProgramCache]: Analyzing trace with hash 2083520750, now seen corresponding path program 1 times [2024-11-20 18:58:21,906 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:58:21,906 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1815924402] [2024-11-20 18:58:21,906 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:58:21,906 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:58:21,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:58:21,979 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 18:58:21,979 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:58:21,980 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1815924402] [2024-11-20 18:58:21,980 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1815924402] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 18:58:21,980 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 18:58:21,980 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-20 18:58:21,980 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1203463828] [2024-11-20 18:58:21,980 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 18:58:21,981 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-20 18:58:21,981 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:58:21,981 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-20 18:58:21,981 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-20 18:58:21,982 INFO L87 Difference]: Start difference. First operand 179 states and 190 transitions. Second operand has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 18:58:22,240 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:58:22,240 INFO L93 Difference]: Finished difference Result 196 states and 201 transitions. [2024-11-20 18:58:22,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-20 18:58:22,241 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2024-11-20 18:58:22,241 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:58:22,242 INFO L225 Difference]: With dead ends: 196 [2024-11-20 18:58:22,242 INFO L226 Difference]: Without dead ends: 162 [2024-11-20 18:58:22,243 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-20 18:58:22,243 INFO L432 NwaCegarLoop]: 69 mSDtfsCounter, 64 mSDsluCounter, 102 mSDsCounter, 0 mSdLazyCounter, 196 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 66 SdHoareTripleChecker+Valid, 171 SdHoareTripleChecker+Invalid, 202 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 196 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-20 18:58:22,244 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [66 Valid, 171 Invalid, 202 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 196 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-20 18:58:22,247 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 162 states. [2024-11-20 18:58:22,255 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 162 to 151. [2024-11-20 18:58:22,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 151 states, 97 states have (on average 1.5360824742268042) internal successors, (149), 146 states have internal predecessors, (149), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-20 18:58:22,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 155 transitions. [2024-11-20 18:58:22,262 INFO L78 Accepts]: Start accepts. Automaton has 151 states and 155 transitions. Word has length 14 [2024-11-20 18:58:22,263 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:58:22,263 INFO L471 AbstractCegarLoop]: Abstraction has 151 states and 155 transitions. [2024-11-20 18:58:22,263 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 18:58:22,263 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 155 transitions. [2024-11-20 18:58:22,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-20 18:58:22,264 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:58:22,264 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 18:58:22,264 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-20 18:58:22,264 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2024-11-20 18:58:22,264 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:58:22,264 INFO L85 PathProgramCache]: Analyzing trace with hash -1440892529, now seen corresponding path program 1 times [2024-11-20 18:58:22,264 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:58:22,265 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1449400192] [2024-11-20 18:58:22,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:58:22,265 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:58:22,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:58:22,355 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 18:58:22,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:58:22,362 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 18:58:22,362 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:58:22,362 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1449400192] [2024-11-20 18:58:22,362 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1449400192] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 18:58:22,362 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 18:58:22,362 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 18:58:22,363 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [245358902] [2024-11-20 18:58:22,363 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 18:58:22,363 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 18:58:22,363 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:58:22,364 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 18:58:22,364 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 18:58:22,364 INFO L87 Difference]: Start difference. First operand 151 states and 155 transitions. Second operand has 3 states, 2 states have (on average 16.0) internal successors, (32), 3 states have internal predecessors, (32), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-20 18:58:22,376 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:58:22,377 INFO L93 Difference]: Finished difference Result 153 states and 155 transitions. [2024-11-20 18:58:22,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 18:58:22,377 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 16.0) internal successors, (32), 3 states have internal predecessors, (32), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 34 [2024-11-20 18:58:22,377 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:58:22,378 INFO L225 Difference]: With dead ends: 153 [2024-11-20 18:58:22,378 INFO L226 Difference]: Without dead ends: 151 [2024-11-20 18:58:22,378 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 18:58:22,379 INFO L432 NwaCegarLoop]: 120 mSDtfsCounter, 1 mSDsluCounter, 115 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 235 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-20 18:58:22,379 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 235 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 18:58:22,380 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 151 states. [2024-11-20 18:58:22,383 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 151 to 151. [2024-11-20 18:58:22,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 151 states, 97 states have (on average 1.5154639175257731) internal successors, (147), 146 states have internal predecessors, (147), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-20 18:58:22,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 153 transitions. [2024-11-20 18:58:22,384 INFO L78 Accepts]: Start accepts. Automaton has 151 states and 153 transitions. Word has length 34 [2024-11-20 18:58:22,385 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:58:22,385 INFO L471 AbstractCegarLoop]: Abstraction has 151 states and 153 transitions. [2024-11-20 18:58:22,385 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 16.0) internal successors, (32), 3 states have internal predecessors, (32), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-20 18:58:22,385 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 153 transitions. [2024-11-20 18:58:22,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-20 18:58:22,386 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:58:22,386 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 18:58:22,386 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-20 18:58:22,386 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2024-11-20 18:58:22,387 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:58:22,387 INFO L85 PathProgramCache]: Analyzing trace with hash -899602629, now seen corresponding path program 1 times [2024-11-20 18:58:22,387 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:58:22,387 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [462204940] [2024-11-20 18:58:22,387 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:58:22,387 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:58:22,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-20 18:58:22,413 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1017089230] [2024-11-20 18:58:22,414 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:58:22,414 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:58:22,414 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 18:58:22,417 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-20 18:58:22,418 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-20 18:58:22,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:58:22,460 INFO L255 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-20 18:58:22,462 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 18:58:22,541 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 18:58:22,541 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-20 18:58:22,541 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:58:22,541 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [462204940] [2024-11-20 18:58:22,541 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-20 18:58:22,541 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1017089230] [2024-11-20 18:58:22,541 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1017089230] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 18:58:22,541 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 18:58:22,541 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-20 18:58:22,542 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [449524642] [2024-11-20 18:58:22,542 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 18:58:22,542 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-20 18:58:22,542 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:58:22,542 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-20 18:58:22,542 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-20 18:58:22,542 INFO L87 Difference]: Start difference. First operand 151 states and 153 transitions. Second operand has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-20 18:58:22,785 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:58:22,785 INFO L93 Difference]: Finished difference Result 247 states and 269 transitions. [2024-11-20 18:58:22,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-20 18:58:22,785 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 39 [2024-11-20 18:58:22,786 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:58:22,786 INFO L225 Difference]: With dead ends: 247 [2024-11-20 18:58:22,786 INFO L226 Difference]: Without dead ends: 221 [2024-11-20 18:58:22,787 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-20 18:58:22,787 INFO L432 NwaCegarLoop]: 60 mSDtfsCounter, 66 mSDsluCounter, 47 mSDsCounter, 0 mSdLazyCounter, 294 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 68 SdHoareTripleChecker+Valid, 107 SdHoareTripleChecker+Invalid, 319 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 294 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-20 18:58:22,788 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [68 Valid, 107 Invalid, 319 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 294 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-20 18:58:22,788 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 221 states. [2024-11-20 18:58:22,797 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 221 to 213. [2024-11-20 18:58:22,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 213 states, 157 states have (on average 1.464968152866242) internal successors, (230), 206 states have internal predecessors, (230), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-20 18:58:22,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 213 states and 240 transitions. [2024-11-20 18:58:22,802 INFO L78 Accepts]: Start accepts. Automaton has 213 states and 240 transitions. Word has length 39 [2024-11-20 18:58:22,803 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:58:22,803 INFO L471 AbstractCegarLoop]: Abstraction has 213 states and 240 transitions. [2024-11-20 18:58:22,803 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-20 18:58:22,803 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 240 transitions. [2024-11-20 18:58:22,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-11-20 18:58:22,803 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:58:22,803 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 18:58:22,811 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-20 18:58:23,004 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,SelfDestructingSolverStorable5 [2024-11-20 18:58:23,004 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2024-11-20 18:58:23,005 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:58:23,005 INFO L85 PathProgramCache]: Analyzing trace with hash 534117783, now seen corresponding path program 1 times [2024-11-20 18:58:23,005 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:58:23,005 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [499661051] [2024-11-20 18:58:23,005 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:58:23,005 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:58:23,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:58:23,108 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 18:58:23,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:58:23,116 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 18:58:23,117 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:58:23,117 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [499661051] [2024-11-20 18:58:23,118 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [499661051] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 18:58:23,118 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 18:58:23,118 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-20 18:58:23,118 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1643942367] [2024-11-20 18:58:23,118 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 18:58:23,119 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-20 18:58:23,119 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:58:23,119 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-20 18:58:23,119 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-20 18:58:23,120 INFO L87 Difference]: Start difference. First operand 213 states and 240 transitions. Second operand has 4 states, 3 states have (on average 13.333333333333334) internal successors, (40), 4 states have internal predecessors, (40), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-20 18:58:23,304 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:58:23,304 INFO L93 Difference]: Finished difference Result 214 states and 240 transitions. [2024-11-20 18:58:23,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 18:58:23,304 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 13.333333333333334) internal successors, (40), 4 states have internal predecessors, (40), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 42 [2024-11-20 18:58:23,305 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:58:23,305 INFO L225 Difference]: With dead ends: 214 [2024-11-20 18:58:23,305 INFO L226 Difference]: Without dead ends: 213 [2024-11-20 18:58:23,306 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-20 18:58:23,306 INFO L432 NwaCegarLoop]: 92 mSDtfsCounter, 30 mSDsluCounter, 102 mSDsCounter, 0 mSdLazyCounter, 173 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 194 SdHoareTripleChecker+Invalid, 175 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 173 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-20 18:58:23,306 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [31 Valid, 194 Invalid, 175 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 173 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-20 18:58:23,307 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 213 states. [2024-11-20 18:58:23,311 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 213 to 213. [2024-11-20 18:58:23,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 213 states, 157 states have (on average 1.4585987261146496) internal successors, (229), 206 states have internal predecessors, (229), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-20 18:58:23,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 213 states and 239 transitions. [2024-11-20 18:58:23,312 INFO L78 Accepts]: Start accepts. Automaton has 213 states and 239 transitions. Word has length 42 [2024-11-20 18:58:23,312 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:58:23,312 INFO L471 AbstractCegarLoop]: Abstraction has 213 states and 239 transitions. [2024-11-20 18:58:23,313 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 13.333333333333334) internal successors, (40), 4 states have internal predecessors, (40), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-20 18:58:23,313 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 239 transitions. [2024-11-20 18:58:23,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-20 18:58:23,316 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:58:23,317 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 18:58:23,317 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-20 18:58:23,317 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2024-11-20 18:58:23,317 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:58:23,317 INFO L85 PathProgramCache]: Analyzing trace with hash -622217793, now seen corresponding path program 1 times [2024-11-20 18:58:23,317 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:58:23,317 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1418591211] [2024-11-20 18:58:23,317 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:58:23,317 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:58:23,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:58:23,389 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 18:58:23,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:58:23,393 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 18:58:23,393 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:58:23,393 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1418591211] [2024-11-20 18:58:23,394 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1418591211] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 18:58:23,394 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 18:58:23,394 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-20 18:58:23,394 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [252152946] [2024-11-20 18:58:23,394 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 18:58:23,394 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-20 18:58:23,394 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:58:23,395 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-20 18:58:23,395 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-20 18:58:23,395 INFO L87 Difference]: Start difference. First operand 213 states and 239 transitions. Second operand has 4 states, 3 states have (on average 13.666666666666666) internal successors, (41), 4 states have internal predecessors, (41), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-20 18:58:23,460 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:58:23,461 INFO L93 Difference]: Finished difference Result 214 states and 239 transitions. [2024-11-20 18:58:23,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-20 18:58:23,461 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 13.666666666666666) internal successors, (41), 4 states have internal predecessors, (41), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 43 [2024-11-20 18:58:23,461 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:58:23,462 INFO L225 Difference]: With dead ends: 214 [2024-11-20 18:58:23,462 INFO L226 Difference]: Without dead ends: 213 [2024-11-20 18:58:23,462 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-20 18:58:23,463 INFO L432 NwaCegarLoop]: 97 mSDtfsCounter, 27 mSDsluCounter, 86 mSDsCounter, 0 mSdLazyCounter, 66 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 183 SdHoareTripleChecker+Invalid, 67 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 66 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-20 18:58:23,463 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [28 Valid, 183 Invalid, 67 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 66 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-20 18:58:23,464 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 213 states. [2024-11-20 18:58:23,467 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 213 to 213. [2024-11-20 18:58:23,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 213 states, 157 states have (on average 1.4522292993630572) internal successors, (228), 206 states have internal predecessors, (228), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-20 18:58:23,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 213 states and 238 transitions. [2024-11-20 18:58:23,468 INFO L78 Accepts]: Start accepts. Automaton has 213 states and 238 transitions. Word has length 43 [2024-11-20 18:58:23,468 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:58:23,468 INFO L471 AbstractCegarLoop]: Abstraction has 213 states and 238 transitions. [2024-11-20 18:58:23,468 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 13.666666666666666) internal successors, (41), 4 states have internal predecessors, (41), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-20 18:58:23,468 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 238 transitions. [2024-11-20 18:58:23,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2024-11-20 18:58:23,469 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:58:23,469 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 18:58:23,469 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-20 18:58:23,469 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2024-11-20 18:58:23,469 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:58:23,470 INFO L85 PathProgramCache]: Analyzing trace with hash -950843391, now seen corresponding path program 1 times [2024-11-20 18:58:23,470 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:58:23,470 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1805857241] [2024-11-20 18:58:23,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:58:23,470 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:58:23,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-20 18:58:23,484 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1902702359] [2024-11-20 18:58:23,484 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:58:23,484 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:58:23,485 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 18:58:23,488 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-20 18:58:23,490 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-20 18:58:23,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:58:23,517 INFO L255 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-20 18:58:23,518 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 18:58:23,694 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 18:58:23,694 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-20 18:58:23,808 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 18:58:23,808 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:58:23,808 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1805857241] [2024-11-20 18:58:23,808 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-20 18:58:23,808 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1902702359] [2024-11-20 18:58:23,809 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1902702359] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-20 18:58:23,809 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-20 18:58:23,809 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 7 [2024-11-20 18:58:23,809 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2090046520] [2024-11-20 18:58:23,809 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-20 18:58:23,809 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-20 18:58:23,809 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:58:23,810 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-20 18:58:23,810 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2024-11-20 18:58:23,810 INFO L87 Difference]: Start difference. First operand 213 states and 238 transitions. Second operand has 8 states, 7 states have (on average 11.428571428571429) internal successors, (80), 8 states have internal predecessors, (80), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-20 18:58:24,199 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:58:24,199 INFO L93 Difference]: Finished difference Result 238 states and 252 transitions. [2024-11-20 18:58:24,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-20 18:58:24,200 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 11.428571428571429) internal successors, (80), 8 states have internal predecessors, (80), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 45 [2024-11-20 18:58:24,200 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:58:24,201 INFO L225 Difference]: With dead ends: 238 [2024-11-20 18:58:24,201 INFO L226 Difference]: Without dead ends: 225 [2024-11-20 18:58:24,201 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 82 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=67, Unknown=0, NotChecked=0, Total=110 [2024-11-20 18:58:24,201 INFO L432 NwaCegarLoop]: 28 mSDtfsCounter, 277 mSDsluCounter, 60 mSDsCounter, 0 mSdLazyCounter, 494 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 277 SdHoareTripleChecker+Valid, 88 SdHoareTripleChecker+Invalid, 518 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 494 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-20 18:58:24,201 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [277 Valid, 88 Invalid, 518 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 494 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-20 18:58:24,202 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 225 states. [2024-11-20 18:58:24,206 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 225 to 214. [2024-11-20 18:58:24,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 214 states, 161 states have (on average 1.3726708074534162) internal successors, (221), 207 states have internal predecessors, (221), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-20 18:58:24,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 214 states and 231 transitions. [2024-11-20 18:58:24,207 INFO L78 Accepts]: Start accepts. Automaton has 214 states and 231 transitions. Word has length 45 [2024-11-20 18:58:24,207 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:58:24,207 INFO L471 AbstractCegarLoop]: Abstraction has 214 states and 231 transitions. [2024-11-20 18:58:24,208 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 11.428571428571429) internal successors, (80), 8 states have internal predecessors, (80), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-20 18:58:24,208 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 231 transitions. [2024-11-20 18:58:24,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-20 18:58:24,208 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:58:24,208 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 18:58:24,216 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-20 18:58:24,412 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:58:24,412 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2024-11-20 18:58:24,413 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:58:24,413 INFO L85 PathProgramCache]: Analyzing trace with hash 1023033609, now seen corresponding path program 1 times [2024-11-20 18:58:24,413 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:58:24,413 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [705363556] [2024-11-20 18:58:24,413 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:58:24,413 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:58:24,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-20 18:58:24,436 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [564301091] [2024-11-20 18:58:24,436 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:58:24,436 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:58:24,436 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 18:58:24,438 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-20 18:58:24,439 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-20 18:58:24,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:58:24,470 INFO L255 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-20 18:58:24,471 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 18:58:24,691 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 18:58:24,691 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-20 18:58:24,691 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:58:24,691 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [705363556] [2024-11-20 18:58:24,692 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-20 18:58:24,692 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [564301091] [2024-11-20 18:58:24,692 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [564301091] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 18:58:24,692 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 18:58:24,692 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-20 18:58:24,692 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [20356037] [2024-11-20 18:58:24,692 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 18:58:24,693 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-20 18:58:24,693 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:58:24,693 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-20 18:58:24,693 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-20 18:58:24,694 INFO L87 Difference]: Start difference. First operand 214 states and 231 transitions. Second operand has 6 states, 5 states have (on average 10.2) internal successors, (51), 6 states have internal predecessors, (51), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-20 18:58:24,885 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:58:24,886 INFO L93 Difference]: Finished difference Result 214 states and 231 transitions. [2024-11-20 18:58:24,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-20 18:58:24,886 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 10.2) internal successors, (51), 6 states have internal predecessors, (51), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 53 [2024-11-20 18:58:24,887 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:58:24,887 INFO L225 Difference]: With dead ends: 214 [2024-11-20 18:58:24,887 INFO L226 Difference]: Without dead ends: 165 [2024-11-20 18:58:24,888 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-20 18:58:24,888 INFO L432 NwaCegarLoop]: 24 mSDtfsCounter, 96 mSDsluCounter, 33 mSDsCounter, 0 mSdLazyCounter, 221 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 98 SdHoareTripleChecker+Valid, 57 SdHoareTripleChecker+Invalid, 249 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 221 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-20 18:58:24,888 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [98 Valid, 57 Invalid, 249 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 221 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-20 18:58:24,889 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 165 states. [2024-11-20 18:58:24,894 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 165 to 158. [2024-11-20 18:58:24,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 158 states, 133 states have (on average 1.1804511278195489) internal successors, (157), 152 states have internal predecessors, (157), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-20 18:58:24,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 158 states and 165 transitions. [2024-11-20 18:58:24,895 INFO L78 Accepts]: Start accepts. Automaton has 158 states and 165 transitions. Word has length 53 [2024-11-20 18:58:24,896 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:58:24,896 INFO L471 AbstractCegarLoop]: Abstraction has 158 states and 165 transitions. [2024-11-20 18:58:24,896 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 10.2) internal successors, (51), 6 states have internal predecessors, (51), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-20 18:58:24,896 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 165 transitions. [2024-11-20 18:58:24,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2024-11-20 18:58:24,897 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:58:24,898 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 18:58:24,904 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-20 18:58:25,098 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:58:25,098 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2024-11-20 18:58:25,099 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:58:25,099 INFO L85 PathProgramCache]: Analyzing trace with hash -1284907517, now seen corresponding path program 1 times [2024-11-20 18:58:25,099 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:58:25,099 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1998440021] [2024-11-20 18:58:25,099 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:58:25,099 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:58:25,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-20 18:58:25,111 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1351664169] [2024-11-20 18:58:25,112 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:58:25,112 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:58:25,112 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 18:58:25,114 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-20 18:58:25,116 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-20 18:58:25,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:58:25,151 INFO L255 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-20 18:58:25,152 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 18:58:25,317 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-20 18:58:25,317 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-20 18:58:25,496 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:58:25,496 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1998440021] [2024-11-20 18:58:25,496 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-20 18:58:25,496 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1351664169] [2024-11-20 18:58:25,496 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1351664169] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 18:58:25,496 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-20 18:58:25,496 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2024-11-20 18:58:25,497 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1438887126] [2024-11-20 18:58:25,497 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-20 18:58:25,497 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-20 18:58:25,497 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:58:25,497 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-20 18:58:25,498 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2024-11-20 18:58:25,498 INFO L87 Difference]: Start difference. First operand 158 states and 165 transitions. Second operand has 5 states, 4 states have (on average 16.5) internal successors, (66), 5 states have internal predecessors, (66), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-20 18:58:25,674 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:58:25,675 INFO L93 Difference]: Finished difference Result 158 states and 165 transitions. [2024-11-20 18:58:25,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-20 18:58:25,675 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 16.5) internal successors, (66), 5 states have internal predecessors, (66), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 73 [2024-11-20 18:58:25,675 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:58:25,676 INFO L225 Difference]: With dead ends: 158 [2024-11-20 18:58:25,676 INFO L226 Difference]: Without dead ends: 156 [2024-11-20 18:58:25,676 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 108 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2024-11-20 18:58:25,676 INFO L432 NwaCegarLoop]: 23 mSDtfsCounter, 44 mSDsluCounter, 33 mSDsCounter, 0 mSdLazyCounter, 222 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 45 SdHoareTripleChecker+Valid, 56 SdHoareTripleChecker+Invalid, 225 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 222 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-20 18:58:25,676 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [45 Valid, 56 Invalid, 225 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 222 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-20 18:58:25,677 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 156 states. [2024-11-20 18:58:25,681 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 156 to 156. [2024-11-20 18:58:25,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 156 states, 133 states have (on average 1.1578947368421053) internal successors, (154), 150 states have internal predecessors, (154), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-20 18:58:25,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 156 states and 162 transitions. [2024-11-20 18:58:25,683 INFO L78 Accepts]: Start accepts. Automaton has 156 states and 162 transitions. Word has length 73 [2024-11-20 18:58:25,683 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:58:25,683 INFO L471 AbstractCegarLoop]: Abstraction has 156 states and 162 transitions. [2024-11-20 18:58:25,683 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 16.5) internal successors, (66), 5 states have internal predecessors, (66), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-20 18:58:25,684 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 162 transitions. [2024-11-20 18:58:25,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2024-11-20 18:58:25,687 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:58:25,687 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 18:58:25,693 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-20 18:58:25,888 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2024-11-20 18:58:25,889 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2024-11-20 18:58:25,889 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:58:25,889 INFO L85 PathProgramCache]: Analyzing trace with hash -1177427238, now seen corresponding path program 1 times [2024-11-20 18:58:25,889 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:58:25,889 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [25089280] [2024-11-20 18:58:25,889 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:58:25,889 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:58:25,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-20 18:58:25,913 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1831120368] [2024-11-20 18:58:25,913 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:58:25,914 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:58:25,914 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 18:58:25,915 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-20 18:58:25,917 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-20 18:58:25,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:58:25,953 INFO L255 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-20 18:58:25,955 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 18:58:26,122 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-20 18:58:26,122 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-20 18:58:26,195 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:58:26,196 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [25089280] [2024-11-20 18:58:26,196 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-20 18:58:26,196 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1831120368] [2024-11-20 18:58:26,196 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1831120368] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 18:58:26,196 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-20 18:58:26,196 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2024-11-20 18:58:26,196 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1851380081] [2024-11-20 18:58:26,196 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-20 18:58:26,197 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-20 18:58:26,197 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:58:26,197 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-20 18:58:26,197 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2024-11-20 18:58:26,197 INFO L87 Difference]: Start difference. First operand 156 states and 162 transitions. Second operand has 6 states, 5 states have (on average 13.4) internal successors, (67), 6 states have internal predecessors, (67), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-20 18:58:26,360 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:58:26,360 INFO L93 Difference]: Finished difference Result 161 states and 165 transitions. [2024-11-20 18:58:26,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-20 18:58:26,360 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 13.4) internal successors, (67), 6 states have internal predecessors, (67), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 74 [2024-11-20 18:58:26,361 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:58:26,361 INFO L225 Difference]: With dead ends: 161 [2024-11-20 18:58:26,361 INFO L226 Difference]: Without dead ends: 157 [2024-11-20 18:58:26,361 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2024-11-20 18:58:26,362 INFO L432 NwaCegarLoop]: 58 mSDtfsCounter, 6 mSDsluCounter, 52 mSDsCounter, 0 mSdLazyCounter, 314 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 110 SdHoareTripleChecker+Invalid, 316 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 314 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-20 18:58:26,362 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 110 Invalid, 316 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 314 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-20 18:58:26,362 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 157 states. [2024-11-20 18:58:26,365 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 157 to 157. [2024-11-20 18:58:26,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 157 states, 134 states have (on average 1.1417910447761195) internal successors, (153), 151 states have internal predecessors, (153), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-20 18:58:26,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 157 states and 161 transitions. [2024-11-20 18:58:26,366 INFO L78 Accepts]: Start accepts. Automaton has 157 states and 161 transitions. Word has length 74 [2024-11-20 18:58:26,366 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:58:26,366 INFO L471 AbstractCegarLoop]: Abstraction has 157 states and 161 transitions. [2024-11-20 18:58:26,366 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 13.4) internal successors, (67), 6 states have internal predecessors, (67), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-20 18:58:26,366 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 161 transitions. [2024-11-20 18:58:26,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2024-11-20 18:58:26,366 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:58:26,367 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 18:58:26,373 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-20 18:58:26,567 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:58:26,567 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2024-11-20 18:58:26,568 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:58:26,568 INFO L85 PathProgramCache]: Analyzing trace with hash 263185351, now seen corresponding path program 1 times [2024-11-20 18:58:26,568 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:58:26,568 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [776527059] [2024-11-20 18:58:26,568 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:58:26,568 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:58:26,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-20 18:58:26,580 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [406889756] [2024-11-20 18:58:26,580 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:58:26,580 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:58:26,580 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 18:58:26,582 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-20 18:58:26,582 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-20 18:58:26,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:58:26,619 INFO L255 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-20 18:58:26,621 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 18:58:26,788 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-20 18:58:26,788 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-20 18:58:26,890 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:58:26,890 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [776527059] [2024-11-20 18:58:26,891 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-20 18:58:26,891 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [406889756] [2024-11-20 18:58:26,891 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [406889756] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 18:58:26,891 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-20 18:58:26,891 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2024-11-20 18:58:26,891 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2103839938] [2024-11-20 18:58:26,891 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-20 18:58:26,891 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-20 18:58:26,892 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:58:26,892 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-20 18:58:26,892 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2024-11-20 18:58:26,892 INFO L87 Difference]: Start difference. First operand 157 states and 161 transitions. Second operand has 5 states, 4 states have (on average 17.5) internal successors, (70), 5 states have internal predecessors, (70), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-20 18:58:27,068 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:58:27,068 INFO L93 Difference]: Finished difference Result 160 states and 163 transitions. [2024-11-20 18:58:27,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-20 18:58:27,068 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 17.5) internal successors, (70), 5 states have internal predecessors, (70), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 77 [2024-11-20 18:58:27,068 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:58:27,069 INFO L225 Difference]: With dead ends: 160 [2024-11-20 18:58:27,069 INFO L226 Difference]: Without dead ends: 154 [2024-11-20 18:58:27,069 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 123 GetRequests, 116 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2024-11-20 18:58:27,069 INFO L432 NwaCegarLoop]: 62 mSDtfsCounter, 6 mSDsluCounter, 55 mSDsCounter, 0 mSdLazyCounter, 307 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 117 SdHoareTripleChecker+Invalid, 307 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 307 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-20 18:58:27,070 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 117 Invalid, 307 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 307 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-20 18:58:27,070 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 154 states. [2024-11-20 18:58:27,073 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 154 to 152. [2024-11-20 18:58:27,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 152 states, 129 states have (on average 1.1395348837209303) internal successors, (147), 146 states have internal predecessors, (147), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-20 18:58:27,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 155 transitions. [2024-11-20 18:58:27,073 INFO L78 Accepts]: Start accepts. Automaton has 152 states and 155 transitions. Word has length 77 [2024-11-20 18:58:27,074 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:58:27,074 INFO L471 AbstractCegarLoop]: Abstraction has 152 states and 155 transitions. [2024-11-20 18:58:27,074 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 17.5) internal successors, (70), 5 states have internal predecessors, (70), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-20 18:58:27,074 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 155 transitions. [2024-11-20 18:58:27,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2024-11-20 18:58:27,074 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:58:27,074 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 18:58:27,081 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-11-20 18:58:27,275 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:58:27,275 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2024-11-20 18:58:27,276 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:58:27,276 INFO L85 PathProgramCache]: Analyzing trace with hash 663399296, now seen corresponding path program 1 times [2024-11-20 18:58:27,276 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:58:27,276 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2053950555] [2024-11-20 18:58:27,276 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:58:27,276 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:58:27,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-20 18:58:27,287 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1005858981] [2024-11-20 18:58:27,287 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:58:27,287 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:58:27,287 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 18:58:27,289 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) [2024-11-20 18:58:27,290 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-20 18:58:27,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:58:27,323 INFO L255 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-20 18:58:27,324 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 18:58:27,384 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-20 18:58:27,384 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-20 18:58:27,514 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-20 18:58:27,515 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:58:27,515 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2053950555] [2024-11-20 18:58:27,515 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-20 18:58:27,515 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1005858981] [2024-11-20 18:58:27,515 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1005858981] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-20 18:58:27,515 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-20 18:58:27,515 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 7 [2024-11-20 18:58:27,515 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1291777974] [2024-11-20 18:58:27,515 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-20 18:58:27,515 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-20 18:58:27,515 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:58:27,516 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-20 18:58:27,516 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-20 18:58:27,516 INFO L87 Difference]: Start difference. First operand 152 states and 155 transitions. Second operand has 8 states, 7 states have (on average 19.428571428571427) internal successors, (136), 8 states have internal predecessors, (136), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-20 18:58:27,754 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:58:27,754 INFO L93 Difference]: Finished difference Result 228 states and 247 transitions. [2024-11-20 18:58:27,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-20 18:58:27,755 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 19.428571428571427) internal successors, (136), 8 states have internal predecessors, (136), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Word has length 78 [2024-11-20 18:58:27,755 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:58:27,756 INFO L225 Difference]: With dead ends: 228 [2024-11-20 18:58:27,756 INFO L226 Difference]: Without dead ends: 223 [2024-11-20 18:58:27,756 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 156 GetRequests, 148 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2024-11-20 18:58:27,756 INFO L432 NwaCegarLoop]: 39 mSDtfsCounter, 296 mSDsluCounter, 81 mSDsCounter, 0 mSdLazyCounter, 405 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 298 SdHoareTripleChecker+Valid, 120 SdHoareTripleChecker+Invalid, 419 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 405 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-20 18:58:27,756 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [298 Valid, 120 Invalid, 419 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 405 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-20 18:58:27,757 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 223 states. [2024-11-20 18:58:27,760 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 223 to 167. [2024-11-20 18:58:27,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 167 states, 146 states have (on average 1.1232876712328768) internal successors, (164), 161 states have internal predecessors, (164), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-20 18:58:27,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 167 states and 172 transitions. [2024-11-20 18:58:27,761 INFO L78 Accepts]: Start accepts. Automaton has 167 states and 172 transitions. Word has length 78 [2024-11-20 18:58:27,761 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:58:27,761 INFO L471 AbstractCegarLoop]: Abstraction has 167 states and 172 transitions. [2024-11-20 18:58:27,762 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 19.428571428571427) internal successors, (136), 8 states have internal predecessors, (136), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-20 18:58:27,762 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 172 transitions. [2024-11-20 18:58:27,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2024-11-20 18:58:27,762 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:58:27,762 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1] [2024-11-20 18:58:27,768 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-11-20 18:58:27,962 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2024-11-20 18:58:27,963 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2024-11-20 18:58:27,963 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:58:27,963 INFO L85 PathProgramCache]: Analyzing trace with hash -1015181436, now seen corresponding path program 1 times [2024-11-20 18:58:27,963 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:58:27,963 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1194283610] [2024-11-20 18:58:27,963 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:58:27,963 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:58:27,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-20 18:58:27,974 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1159146787] [2024-11-20 18:58:27,974 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:58:27,974 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:58:27,974 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 18:58:27,976 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) [2024-11-20 18:58:27,977 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-20 18:58:28,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:58:28,007 INFO L255 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-20 18:58:28,009 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 18:58:28,173 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-20 18:58:28,173 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-20 18:58:28,520 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-20 18:58:28,520 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:58:28,520 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1194283610] [2024-11-20 18:58:28,521 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-20 18:58:28,521 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1159146787] [2024-11-20 18:58:28,521 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1159146787] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-20 18:58:28,521 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-20 18:58:28,521 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 6] total 10 [2024-11-20 18:58:28,521 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2114763174] [2024-11-20 18:58:28,521 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-20 18:58:28,521 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-20 18:58:28,521 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:58:28,522 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-20 18:58:28,522 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2024-11-20 18:58:28,522 INFO L87 Difference]: Start difference. First operand 167 states and 172 transitions. Second operand has 11 states, 10 states have (on average 14.4) internal successors, (144), 11 states have internal predecessors, (144), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-20 18:58:32,813 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-20 18:58:36,815 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-20 18:58:39,304 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-20 18:58:40,307 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:58:40,307 INFO L93 Difference]: Finished difference Result 226 states and 246 transitions. [2024-11-20 18:58:40,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-20 18:58:40,308 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 14.4) internal successors, (144), 11 states have internal predecessors, (144), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Word has length 82 [2024-11-20 18:58:40,308 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:58:40,309 INFO L225 Difference]: With dead ends: 226 [2024-11-20 18:58:40,309 INFO L226 Difference]: Without dead ends: 225 [2024-11-20 18:58:40,309 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 165 GetRequests, 153 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=72, Invalid=110, Unknown=0, NotChecked=0, Total=182 [2024-11-20 18:58:40,309 INFO L432 NwaCegarLoop]: 23 mSDtfsCounter, 305 mSDsluCounter, 110 mSDsCounter, 0 mSdLazyCounter, 648 mSolverCounterSat, 21 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 306 SdHoareTripleChecker+Valid, 133 SdHoareTripleChecker+Invalid, 671 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 648 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.7s IncrementalHoareTripleChecker+Time [2024-11-20 18:58:40,309 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [306 Valid, 133 Invalid, 671 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 648 Invalid, 2 Unknown, 0 Unchecked, 11.7s Time] [2024-11-20 18:58:40,310 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 225 states. [2024-11-20 18:58:40,314 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 225 to 166. [2024-11-20 18:58:40,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 166 states, 146 states have (on average 1.1095890410958904) internal successors, (162), 160 states have internal predecessors, (162), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-20 18:58:40,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 166 states and 170 transitions. [2024-11-20 18:58:40,315 INFO L78 Accepts]: Start accepts. Automaton has 166 states and 170 transitions. Word has length 82 [2024-11-20 18:58:40,315 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:58:40,315 INFO L471 AbstractCegarLoop]: Abstraction has 166 states and 170 transitions. [2024-11-20 18:58:40,315 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 14.4) internal successors, (144), 11 states have internal predecessors, (144), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-20 18:58:40,316 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 170 transitions. [2024-11-20 18:58:40,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2024-11-20 18:58:40,316 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:58:40,316 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2024-11-20 18:58:40,323 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-11-20 18:58:40,520 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,SelfDestructingSolverStorable14 [2024-11-20 18:58:40,521 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2024-11-20 18:58:40,521 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:58:40,521 INFO L85 PathProgramCache]: Analyzing trace with hash 1889586286, now seen corresponding path program 1 times [2024-11-20 18:58:40,521 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:58:40,521 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1577167712] [2024-11-20 18:58:40,521 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:58:40,522 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:58:40,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-20 18:58:40,542 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1067799974] [2024-11-20 18:58:40,542 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:58:40,543 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:58:40,543 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 18:58:40,544 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) [2024-11-20 18:58:40,545 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-20 18:58:40,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:58:40,581 INFO L255 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-20 18:58:40,582 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 18:58:40,772 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 41 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-20 18:58:40,773 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-20 18:58:40,980 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 41 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-20 18:58:40,980 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:58:40,980 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1577167712] [2024-11-20 18:58:40,980 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-20 18:58:40,980 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1067799974] [2024-11-20 18:58:40,980 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1067799974] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-20 18:58:40,981 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-20 18:58:40,981 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 11 [2024-11-20 18:58:40,981 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [175523736] [2024-11-20 18:58:40,981 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-20 18:58:40,982 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-20 18:58:40,982 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:58:40,983 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-20 18:58:40,983 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=88, Unknown=0, NotChecked=0, Total=132 [2024-11-20 18:58:40,983 INFO L87 Difference]: Start difference. First operand 166 states and 170 transitions. Second operand has 12 states, 11 states have (on average 13.636363636363637) internal successors, (150), 12 states have internal predecessors, (150), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-20 18:58:41,660 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:58:41,660 INFO L93 Difference]: Finished difference Result 295 states and 324 transitions. [2024-11-20 18:58:41,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-20 18:58:41,661 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 13.636363636363637) internal successors, (150), 12 states have internal predecessors, (150), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Word has length 85 [2024-11-20 18:58:41,661 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:58:41,662 INFO L225 Difference]: With dead ends: 295 [2024-11-20 18:58:41,662 INFO L226 Difference]: Without dead ends: 217 [2024-11-20 18:58:41,662 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 172 GetRequests, 158 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=82, Invalid=158, Unknown=0, NotChecked=0, Total=240 [2024-11-20 18:58:41,663 INFO L432 NwaCegarLoop]: 30 mSDtfsCounter, 350 mSDsluCounter, 164 mSDsCounter, 0 mSdLazyCounter, 950 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 352 SdHoareTripleChecker+Valid, 194 SdHoareTripleChecker+Invalid, 984 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 950 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-20 18:58:41,664 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [352 Valid, 194 Invalid, 984 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 950 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-20 18:58:41,664 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 217 states. [2024-11-20 18:58:41,670 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 217 to 200. [2024-11-20 18:58:41,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 200 states, 186 states have (on average 1.0806451612903225) internal successors, (201), 193 states have internal predecessors, (201), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-20 18:58:41,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 200 states and 211 transitions. [2024-11-20 18:58:41,673 INFO L78 Accepts]: Start accepts. Automaton has 200 states and 211 transitions. Word has length 85 [2024-11-20 18:58:41,673 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:58:41,673 INFO L471 AbstractCegarLoop]: Abstraction has 200 states and 211 transitions. [2024-11-20 18:58:41,673 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 13.636363636363637) internal successors, (150), 12 states have internal predecessors, (150), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-20 18:58:41,673 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 211 transitions. [2024-11-20 18:58:41,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2024-11-20 18:58:41,674 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:58:41,674 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 18:58:41,680 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-11-20 18:58:41,878 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,SelfDestructingSolverStorable15 [2024-11-20 18:58:41,879 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2024-11-20 18:58:41,879 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:58:41,879 INFO L85 PathProgramCache]: Analyzing trace with hash 841224309, now seen corresponding path program 2 times [2024-11-20 18:58:41,879 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:58:41,879 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1886707789] [2024-11-20 18:58:41,879 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:58:41,879 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:58:41,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-20 18:58:41,893 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1456594534] [2024-11-20 18:58:41,893 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-20 18:58:41,893 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:58:41,893 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 18:58:41,895 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) [2024-11-20 18:58:41,896 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-11-20 18:58:41,923 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-20 18:58:41,923 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-20 18:58:41,924 INFO L255 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-20 18:58:41,925 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 18:58:42,267 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-11-20 18:58:42,267 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-20 18:58:42,268 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:58:42,268 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1886707789] [2024-11-20 18:58:42,268 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-20 18:58:42,268 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1456594534] [2024-11-20 18:58:42,268 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1456594534] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 18:58:42,268 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 18:58:42,268 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-20 18:58:42,269 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [8188133] [2024-11-20 18:58:42,269 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 18:58:42,269 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-20 18:58:42,269 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:58:42,270 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-20 18:58:42,270 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-20 18:58:42,270 INFO L87 Difference]: Start difference. First operand 200 states and 211 transitions. Second operand has 5 states, 4 states have (on average 14.75) internal successors, (59), 5 states have internal predecessors, (59), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-20 18:58:42,356 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:58:42,356 INFO L93 Difference]: Finished difference Result 200 states and 211 transitions. [2024-11-20 18:58:42,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-20 18:58:42,357 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 14.75) internal successors, (59), 5 states have internal predecessors, (59), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 113 [2024-11-20 18:58:42,357 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:58:42,361 INFO L225 Difference]: With dead ends: 200 [2024-11-20 18:58:42,361 INFO L226 Difference]: Without dead ends: 191 [2024-11-20 18:58:42,361 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 109 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-20 18:58:42,362 INFO L432 NwaCegarLoop]: 24 mSDtfsCounter, 26 mSDsluCounter, 30 mSDsCounter, 0 mSdLazyCounter, 79 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 54 SdHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 79 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-20 18:58:42,362 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 54 Invalid, 82 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 79 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-20 18:58:42,362 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 191 states. [2024-11-20 18:58:42,367 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 191 to 191. [2024-11-20 18:58:42,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 191 states, 180 states have (on average 1.0555555555555556) internal successors, (190), 184 states have internal predecessors, (190), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-20 18:58:42,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 191 states and 200 transitions. [2024-11-20 18:58:42,368 INFO L78 Accepts]: Start accepts. Automaton has 191 states and 200 transitions. Word has length 113 [2024-11-20 18:58:42,369 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:58:42,369 INFO L471 AbstractCegarLoop]: Abstraction has 191 states and 200 transitions. [2024-11-20 18:58:42,369 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 14.75) internal successors, (59), 5 states have internal predecessors, (59), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-20 18:58:42,369 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 200 transitions. [2024-11-20 18:58:42,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2024-11-20 18:58:42,369 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:58:42,370 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2024-11-20 18:58:42,375 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-11-20 18:58:42,573 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,SelfDestructingSolverStorable16 [2024-11-20 18:58:42,574 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2024-11-20 18:58:42,574 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:58:42,574 INFO L85 PathProgramCache]: Analyzing trace with hash 841225495, now seen corresponding path program 1 times [2024-11-20 18:58:42,574 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:58:42,574 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1121287903] [2024-11-20 18:58:42,574 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:58:42,574 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:58:42,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:58:42,681 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 18:58:42,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:58:42,685 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-20 18:58:42,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:58:42,688 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-20 18:58:42,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:58:42,695 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 97 trivial. 0 not checked. [2024-11-20 18:58:42,699 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:58:42,699 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1121287903] [2024-11-20 18:58:42,699 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1121287903] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 18:58:42,699 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [558475730] [2024-11-20 18:58:42,699 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:58:42,700 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:58:42,700 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 18:58:42,701 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) [2024-11-20 18:58:42,706 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-11-20 18:58:42,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:58:42,740 INFO L255 TraceCheckSpWp]: Trace formula consists of 167 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-20 18:58:42,741 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 18:58:42,855 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 0 proven. 89 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-20 18:58:42,855 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-20 18:58:42,976 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 0 proven. 89 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-20 18:58:42,977 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [558475730] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-20 18:58:42,977 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-20 18:58:42,977 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 4, 4] total 9 [2024-11-20 18:58:42,977 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1440418228] [2024-11-20 18:58:42,977 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-20 18:58:42,977 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-20 18:58:42,978 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:58:42,978 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-20 18:58:42,978 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2024-11-20 18:58:42,978 INFO L87 Difference]: Start difference. First operand 191 states and 200 transitions. Second operand has 10 states, 9 states have (on average 26.22222222222222) internal successors, (236), 10 states have internal predecessors, (236), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-11-20 18:58:43,036 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:58:43,036 INFO L93 Difference]: Finished difference Result 193 states and 200 transitions. [2024-11-20 18:58:43,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-20 18:58:43,037 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 26.22222222222222) internal successors, (236), 10 states have internal predecessors, (236), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) Word has length 113 [2024-11-20 18:58:43,037 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:58:43,037 INFO L225 Difference]: With dead ends: 193 [2024-11-20 18:58:43,038 INFO L226 Difference]: Without dead ends: 192 [2024-11-20 18:58:43,038 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 238 GetRequests, 225 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=88, Invalid=122, Unknown=0, NotChecked=0, Total=210 [2024-11-20 18:58:43,038 INFO L432 NwaCegarLoop]: 44 mSDtfsCounter, 61 mSDsluCounter, 171 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 215 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-20 18:58:43,038 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [61 Valid, 215 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 18:58:43,039 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 192 states. [2024-11-20 18:58:43,053 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 192 to 190. [2024-11-20 18:58:43,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 190 states, 180 states have (on average 1.038888888888889) internal successors, (187), 183 states have internal predecessors, (187), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-20 18:58:43,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 190 states and 197 transitions. [2024-11-20 18:58:43,055 INFO L78 Accepts]: Start accepts. Automaton has 190 states and 197 transitions. Word has length 113 [2024-11-20 18:58:43,055 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:58:43,055 INFO L471 AbstractCegarLoop]: Abstraction has 190 states and 197 transitions. [2024-11-20 18:58:43,055 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 26.22222222222222) internal successors, (236), 10 states have internal predecessors, (236), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-11-20 18:58:43,055 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 197 transitions. [2024-11-20 18:58:43,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2024-11-20 18:58:43,056 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:58:43,056 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1] [2024-11-20 18:58:43,062 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2024-11-20 18:58:43,256 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,SelfDestructingSolverStorable17 [2024-11-20 18:58:43,256 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2024-11-20 18:58:43,257 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:58:43,257 INFO L85 PathProgramCache]: Analyzing trace with hash 843174903, now seen corresponding path program 1 times [2024-11-20 18:58:43,257 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:58:43,257 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [130977716] [2024-11-20 18:58:43,257 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:58:43,257 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:58:43,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:58:43,320 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 18:58:43,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:58:43,322 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-20 18:58:43,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:58:43,324 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-20 18:58:43,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:58:43,325 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 113 trivial. 0 not checked. [2024-11-20 18:58:43,326 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:58:43,326 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [130977716] [2024-11-20 18:58:43,326 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [130977716] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 18:58:43,326 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 18:58:43,326 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 18:58:43,326 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1850924658] [2024-11-20 18:58:43,326 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 18:58:43,326 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 18:58:43,327 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:58:43,327 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 18:58:43,327 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 18:58:43,327 INFO L87 Difference]: Start difference. First operand 190 states and 197 transitions. Second operand has 3 states, 2 states have (on average 25.5) internal successors, (51), 3 states have internal predecessors, (51), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-20 18:58:43,362 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:58:43,362 INFO L93 Difference]: Finished difference Result 190 states and 197 transitions. [2024-11-20 18:58:43,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 18:58:43,362 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 25.5) internal successors, (51), 3 states have internal predecessors, (51), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 128 [2024-11-20 18:58:43,363 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:58:43,363 INFO L225 Difference]: With dead ends: 190 [2024-11-20 18:58:43,363 INFO L226 Difference]: Without dead ends: 189 [2024-11-20 18:58:43,364 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 18:58:43,364 INFO L432 NwaCegarLoop]: 21 mSDtfsCounter, 22 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 27 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-20 18:58:43,364 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 27 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 18:58:43,364 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 189 states. [2024-11-20 18:58:43,370 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 189 to 189. [2024-11-20 18:58:43,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 189 states, 180 states have (on average 1.0277777777777777) internal successors, (185), 182 states have internal predecessors, (185), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-20 18:58:43,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 189 states and 195 transitions. [2024-11-20 18:58:43,371 INFO L78 Accepts]: Start accepts. Automaton has 189 states and 195 transitions. Word has length 128 [2024-11-20 18:58:43,371 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:58:43,371 INFO L471 AbstractCegarLoop]: Abstraction has 189 states and 195 transitions. [2024-11-20 18:58:43,372 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 25.5) internal successors, (51), 3 states have internal predecessors, (51), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-20 18:58:43,372 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 195 transitions. [2024-11-20 18:58:43,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2024-11-20 18:58:43,372 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:58:43,372 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1] [2024-11-20 18:58:43,372 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-20 18:58:43,373 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2024-11-20 18:58:43,373 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:58:43,373 INFO L85 PathProgramCache]: Analyzing trace with hash -1457735175, now seen corresponding path program 1 times [2024-11-20 18:58:43,373 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:58:43,373 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [32962077] [2024-11-20 18:58:43,373 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:58:43,373 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:58:43,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-20 18:58:43,393 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [335200673] [2024-11-20 18:58:43,394 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:58:43,394 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:58:43,394 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 18:58:43,396 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) [2024-11-20 18:58:43,397 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-11-20 18:58:43,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:58:43,438 INFO L255 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-20 18:58:43,439 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 18:58:43,566 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 132 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-20 18:58:43,566 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-20 18:58:43,873 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 132 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-20 18:58:43,874 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:58:43,874 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [32962077] [2024-11-20 18:58:43,874 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-20 18:58:43,874 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [335200673] [2024-11-20 18:58:43,874 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [335200673] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-20 18:58:43,874 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-20 18:58:43,874 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2024-11-20 18:58:43,874 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [897517280] [2024-11-20 18:58:43,874 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-20 18:58:43,874 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-20 18:58:43,874 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:58:43,876 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-20 18:58:43,876 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2024-11-20 18:58:43,876 INFO L87 Difference]: Start difference. First operand 189 states and 195 transitions. Second operand has 10 states, 9 states have (on average 25.555555555555557) internal successors, (230), 10 states have internal predecessors, (230), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-20 18:58:44,344 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:58:44,345 INFO L93 Difference]: Finished difference Result 305 states and 319 transitions. [2024-11-20 18:58:44,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-20 18:58:44,345 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 25.555555555555557) internal successors, (230), 10 states have internal predecessors, (230), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) Word has length 130 [2024-11-20 18:58:44,345 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:58:44,346 INFO L225 Difference]: With dead ends: 305 [2024-11-20 18:58:44,346 INFO L226 Difference]: Without dead ends: 303 [2024-11-20 18:58:44,346 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 261 GetRequests, 250 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=93, Unknown=0, NotChecked=0, Total=156 [2024-11-20 18:58:44,347 INFO L432 NwaCegarLoop]: 42 mSDtfsCounter, 107 mSDsluCounter, 136 mSDsCounter, 0 mSdLazyCounter, 551 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 109 SdHoareTripleChecker+Valid, 178 SdHoareTripleChecker+Invalid, 560 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 551 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-20 18:58:44,347 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [109 Valid, 178 Invalid, 560 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 551 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-20 18:58:44,347 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 303 states. [2024-11-20 18:58:44,356 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 303 to 300. [2024-11-20 18:58:44,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 300 states, 288 states have (on average 1.0208333333333333) internal successors, (294), 290 states have internal predecessors, (294), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-20 18:58:44,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 300 states and 310 transitions. [2024-11-20 18:58:44,357 INFO L78 Accepts]: Start accepts. Automaton has 300 states and 310 transitions. Word has length 130 [2024-11-20 18:58:44,357 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:58:44,358 INFO L471 AbstractCegarLoop]: Abstraction has 300 states and 310 transitions. [2024-11-20 18:58:44,358 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 25.555555555555557) internal successors, (230), 10 states have internal predecessors, (230), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-20 18:58:44,358 INFO L276 IsEmpty]: Start isEmpty. Operand 300 states and 310 transitions. [2024-11-20 18:58:44,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2024-11-20 18:58:44,359 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:58:44,359 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1] [2024-11-20 18:58:44,369 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2024-11-20 18:58:44,559 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,SelfDestructingSolverStorable19 [2024-11-20 18:58:44,560 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2024-11-20 18:58:44,560 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:58:44,560 INFO L85 PathProgramCache]: Analyzing trace with hash 440315795, now seen corresponding path program 2 times [2024-11-20 18:58:44,560 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:58:44,560 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1915515819] [2024-11-20 18:58:44,560 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:58:44,560 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:58:44,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-20 18:58:44,588 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [819764863] [2024-11-20 18:58:44,589 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-20 18:58:44,589 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:58:44,589 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 18:58:44,594 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) [2024-11-20 18:58:44,595 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-11-20 18:58:44,652 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-20 18:58:44,652 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-20 18:58:44,653 INFO L255 TraceCheckSpWp]: Trace formula consists of 282 conjuncts, 35 conjuncts are in the unsatisfiable core [2024-11-20 18:58:44,655 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 18:58:45,229 INFO L134 CoverageAnalysis]: Checked inductivity of 405 backedges. 18 proven. 365 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-20 18:58:45,230 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-20 18:58:46,903 INFO L134 CoverageAnalysis]: Checked inductivity of 405 backedges. 12 proven. 365 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-20 18:58:46,903 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:58:46,903 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1915515819] [2024-11-20 18:58:46,903 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-20 18:58:46,903 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [819764863] [2024-11-20 18:58:46,903 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [819764863] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-20 18:58:46,903 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-20 18:58:46,904 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 15] total 27 [2024-11-20 18:58:46,904 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1297888937] [2024-11-20 18:58:46,904 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-20 18:58:46,904 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2024-11-20 18:58:46,904 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:58:46,905 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2024-11-20 18:58:46,905 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=188, Invalid=568, Unknown=0, NotChecked=0, Total=756 [2024-11-20 18:58:46,905 INFO L87 Difference]: Start difference. First operand 300 states and 310 transitions. Second operand has 28 states, 27 states have (on average 13.296296296296296) internal successors, (359), 28 states have internal predecessors, (359), 10 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-20 18:58:50,345 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:58:50,345 INFO L93 Difference]: Finished difference Result 438 states and 461 transitions. [2024-11-20 18:58:50,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-11-20 18:58:50,345 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 27 states have (on average 13.296296296296296) internal successors, (359), 28 states have internal predecessors, (359), 10 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) Word has length 202 [2024-11-20 18:58:50,346 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:58:50,348 INFO L225 Difference]: With dead ends: 438 [2024-11-20 18:58:50,348 INFO L226 Difference]: Without dead ends: 437 [2024-11-20 18:58:50,348 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 421 GetRequests, 376 SyntacticMatches, 0 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 239 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=634, Invalid=1528, Unknown=0, NotChecked=0, Total=2162 [2024-11-20 18:58:50,349 INFO L432 NwaCegarLoop]: 36 mSDtfsCounter, 528 mSDsluCounter, 437 mSDsCounter, 0 mSdLazyCounter, 2806 mSolverCounterSat, 84 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 529 SdHoareTripleChecker+Valid, 473 SdHoareTripleChecker+Invalid, 2890 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 84 IncrementalHoareTripleChecker+Valid, 2806 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2024-11-20 18:58:50,349 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [529 Valid, 473 Invalid, 2890 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [84 Valid, 2806 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2024-11-20 18:58:50,349 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 437 states. [2024-11-20 18:58:50,373 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 437 to 434. [2024-11-20 18:58:50,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 434 states, 418 states have (on average 1.0239234449760766) internal successors, (428), 420 states have internal predecessors, (428), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-20 18:58:50,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 434 states to 434 states and 452 transitions. [2024-11-20 18:58:50,375 INFO L78 Accepts]: Start accepts. Automaton has 434 states and 452 transitions. Word has length 202 [2024-11-20 18:58:50,376 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:58:50,376 INFO L471 AbstractCegarLoop]: Abstraction has 434 states and 452 transitions. [2024-11-20 18:58:50,376 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 27 states have (on average 13.296296296296296) internal successors, (359), 28 states have internal predecessors, (359), 10 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-20 18:58:50,376 INFO L276 IsEmpty]: Start isEmpty. Operand 434 states and 452 transitions. [2024-11-20 18:58:50,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 315 [2024-11-20 18:58:50,379 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:58:50,379 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 1, 1, 1, 1, 1] [2024-11-20 18:58:50,387 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2024-11-20 18:58:50,579 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:58:50,580 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2024-11-20 18:58:50,580 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:58:50,580 INFO L85 PathProgramCache]: Analyzing trace with hash 204558434, now seen corresponding path program 1 times [2024-11-20 18:58:50,580 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:58:50,580 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [500954761] [2024-11-20 18:58:50,580 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:58:50,580 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:58:50,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-20 18:58:50,610 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1661201977] [2024-11-20 18:58:50,610 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:58:50,610 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:58:50,610 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 18:58:50,612 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) [2024-11-20 18:58:50,613 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-11-20 18:58:50,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:58:50,691 INFO L255 TraceCheckSpWp]: Trace formula consists of 422 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-20 18:58:50,693 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 18:58:51,000 INFO L134 CoverageAnalysis]: Checked inductivity of 1078 backedges. 0 proven. 966 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-20 18:58:51,001 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-20 18:58:51,063 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:58:51,063 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [500954761] [2024-11-20 18:58:51,063 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-20 18:58:51,063 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1661201977] [2024-11-20 18:58:51,063 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1661201977] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 18:58:51,064 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-20 18:58:51,064 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2024-11-20 18:58:51,064 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1571281799] [2024-11-20 18:58:51,064 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-20 18:58:51,064 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-20 18:58:51,064 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:58:51,065 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-20 18:58:51,065 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2024-11-20 18:58:51,065 INFO L87 Difference]: Start difference. First operand 434 states and 452 transitions. Second operand has 11 states, 10 states have (on average 27.7) internal successors, (277), 11 states have internal predecessors, (277), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-20 18:58:51,294 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:58:51,294 INFO L93 Difference]: Finished difference Result 435 states and 452 transitions. [2024-11-20 18:58:51,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-20 18:58:51,298 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 27.7) internal successors, (277), 11 states have internal predecessors, (277), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) Word has length 314 [2024-11-20 18:58:51,298 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:58:51,299 INFO L225 Difference]: With dead ends: 435 [2024-11-20 18:58:51,299 INFO L226 Difference]: Without dead ends: 434 [2024-11-20 18:58:51,299 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 323 GetRequests, 312 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2024-11-20 18:58:51,300 INFO L432 NwaCegarLoop]: 17 mSDtfsCounter, 30 mSDsluCounter, 76 mSDsCounter, 0 mSdLazyCounter, 298 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 93 SdHoareTripleChecker+Invalid, 298 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 298 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-20 18:58:51,300 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [31 Valid, 93 Invalid, 298 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 298 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-20 18:58:51,300 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 434 states. [2024-11-20 18:58:51,321 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 434 to 434. [2024-11-20 18:58:51,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 434 states, 418 states have (on average 1.0215311004784688) internal successors, (427), 420 states have internal predecessors, (427), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-20 18:58:51,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 434 states to 434 states and 451 transitions. [2024-11-20 18:58:51,324 INFO L78 Accepts]: Start accepts. Automaton has 434 states and 451 transitions. Word has length 314 [2024-11-20 18:58:51,325 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:58:51,325 INFO L471 AbstractCegarLoop]: Abstraction has 434 states and 451 transitions. [2024-11-20 18:58:51,325 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 27.7) internal successors, (277), 11 states have internal predecessors, (277), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-20 18:58:51,325 INFO L276 IsEmpty]: Start isEmpty. Operand 434 states and 451 transitions. [2024-11-20 18:58:51,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 326 [2024-11-20 18:58:51,327 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:58:51,327 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1] [2024-11-20 18:58:51,338 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2024-11-20 18:58:51,528 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:58:51,528 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2024-11-20 18:58:51,528 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:58:51,528 INFO L85 PathProgramCache]: Analyzing trace with hash -683484332, now seen corresponding path program 2 times [2024-11-20 18:58:51,529 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:58:51,529 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1031767628] [2024-11-20 18:58:51,529 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:58:51,529 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:58:51,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-20 18:58:51,561 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1614060377] [2024-11-20 18:58:51,561 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-20 18:58:51,561 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:58:51,561 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 18:58:51,563 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) [2024-11-20 18:58:51,564 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-11-20 18:58:51,651 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-20 18:58:51,651 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-20 18:58:51,653 INFO L255 TraceCheckSpWp]: Trace formula consists of 435 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-20 18:58:51,655 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 18:58:51,903 INFO L134 CoverageAnalysis]: Checked inductivity of 1164 backedges. 0 proven. 1052 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-20 18:58:51,903 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-20 18:58:52,620 INFO L134 CoverageAnalysis]: Checked inductivity of 1164 backedges. 0 proven. 1052 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-20 18:58:52,620 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:58:52,620 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1031767628] [2024-11-20 18:58:52,620 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-20 18:58:52,620 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1614060377] [2024-11-20 18:58:52,620 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1614060377] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-20 18:58:52,620 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-20 18:58:52,620 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 19 [2024-11-20 18:58:52,620 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1520463279] [2024-11-20 18:58:52,621 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-20 18:58:52,621 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2024-11-20 18:58:52,621 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:58:52,622 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2024-11-20 18:58:52,622 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=118, Invalid=262, Unknown=0, NotChecked=0, Total=380 [2024-11-20 18:58:52,622 INFO L87 Difference]: Start difference. First operand 434 states and 451 transitions. Second operand has 20 states, 19 states have (on average 30.0) internal successors, (570), 20 states have internal predecessors, (570), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-20 18:58:54,300 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:58:54,300 INFO L93 Difference]: Finished difference Result 658 states and 692 transitions. [2024-11-20 18:58:54,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-20 18:58:54,301 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 30.0) internal successors, (570), 20 states have internal predecessors, (570), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) Word has length 325 [2024-11-20 18:58:54,301 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:58:54,303 INFO L225 Difference]: With dead ends: 658 [2024-11-20 18:58:54,303 INFO L226 Difference]: Without dead ends: 656 [2024-11-20 18:58:54,303 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 656 GetRequests, 630 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=278, Invalid=478, Unknown=0, NotChecked=0, Total=756 [2024-11-20 18:58:54,304 INFO L432 NwaCegarLoop]: 82 mSDtfsCounter, 236 mSDsluCounter, 636 mSDsCounter, 0 mSdLazyCounter, 2569 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 238 SdHoareTripleChecker+Valid, 718 SdHoareTripleChecker+Invalid, 2589 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 2569 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-20 18:58:54,304 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [238 Valid, 718 Invalid, 2589 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 2569 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-20 18:58:54,305 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 656 states. [2024-11-20 18:58:54,326 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 656 to 650. [2024-11-20 18:58:54,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 650 states, 628 states have (on average 1.0143312101910829) internal successors, (637), 630 states have internal predecessors, (637), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-20 18:58:54,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 650 states to 650 states and 673 transitions. [2024-11-20 18:58:54,329 INFO L78 Accepts]: Start accepts. Automaton has 650 states and 673 transitions. Word has length 325 [2024-11-20 18:58:54,329 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:58:54,329 INFO L471 AbstractCegarLoop]: Abstraction has 650 states and 673 transitions. [2024-11-20 18:58:54,330 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 30.0) internal successors, (570), 20 states have internal predecessors, (570), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-20 18:58:54,330 INFO L276 IsEmpty]: Start isEmpty. Operand 650 states and 673 transitions. [2024-11-20 18:58:54,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 476 [2024-11-20 18:58:54,333 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:58:54,333 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 1, 1, 1, 1, 1] [2024-11-20 18:58:54,342 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2024-11-20 18:58:54,537 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,SelfDestructingSolverStorable22 [2024-11-20 18:58:54,537 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2024-11-20 18:58:54,537 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:58:54,537 INFO L85 PathProgramCache]: Analyzing trace with hash 802755150, now seen corresponding path program 3 times [2024-11-20 18:58:54,538 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:58:54,538 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1603020580] [2024-11-20 18:58:54,538 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:58:54,538 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:58:54,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-20 18:58:54,585 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [193699113] [2024-11-20 18:58:54,585 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-20 18:58:54,585 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:58:54,586 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 18:58:54,587 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) [2024-11-20 18:58:54,588 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2024-11-20 18:58:58,831 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 13 check-sat command(s) [2024-11-20 18:58:58,831 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-20 18:58:58,834 INFO L255 TraceCheckSpWp]: Trace formula consists of 625 conjuncts, 78 conjuncts are in the unsatisfiable core [2024-11-20 18:58:58,839 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 18:58:59,988 INFO L134 CoverageAnalysis]: Checked inductivity of 2610 backedges. 78 proven. 2373 refuted. 0 times theorem prover too weak. 159 trivial. 0 not checked. [2024-11-20 18:58:59,989 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-20 18:59:03,997 INFO L134 CoverageAnalysis]: Checked inductivity of 2610 backedges. 33 proven. 2346 refuted. 0 times theorem prover too weak. 231 trivial. 0 not checked. [2024-11-20 18:59:03,997 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:59:03,997 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1603020580] [2024-11-20 18:59:03,997 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-20 18:59:03,997 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [193699113] [2024-11-20 18:59:03,997 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [193699113] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-20 18:59:03,997 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-20 18:59:03,998 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28, 29] total 55 [2024-11-20 18:59:03,998 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1425340690] [2024-11-20 18:59:03,998 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-20 18:59:03,998 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 56 states [2024-11-20 18:59:03,998 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:59:03,999 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 56 interpolants. [2024-11-20 18:59:04,000 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=762, Invalid=2318, Unknown=0, NotChecked=0, Total=3080 [2024-11-20 18:59:04,000 INFO L87 Difference]: Start difference. First operand 650 states and 673 transitions. Second operand has 56 states, 55 states have (on average 15.181818181818182) internal successors, (835), 56 states have internal predecessors, (835), 24 states have call successors, (24), 1 states have call predecessors, (24), 2 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-11-20 18:59:31,282 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:59:31,282 INFO L93 Difference]: Finished difference Result 928 states and 980 transitions. [2024-11-20 18:59:31,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2024-11-20 18:59:31,282 INFO L78 Accepts]: Start accepts. Automaton has has 56 states, 55 states have (on average 15.181818181818182) internal successors, (835), 56 states have internal predecessors, (835), 24 states have call successors, (24), 1 states have call predecessors, (24), 2 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) Word has length 475 [2024-11-20 18:59:31,283 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:59:31,285 INFO L225 Difference]: With dead ends: 928 [2024-11-20 18:59:31,285 INFO L226 Difference]: Without dead ends: 927 [2024-11-20 18:59:31,286 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 988 GetRequests, 894 SyntacticMatches, 0 SemanticMatches, 94 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1016 ImplicationChecksByTransitivity, 23.4s TimeCoverageRelationStatistics Valid=2769, Invalid=6351, Unknown=0, NotChecked=0, Total=9120 [2024-11-20 18:59:31,287 INFO L432 NwaCegarLoop]: 71 mSDtfsCounter, 1495 mSDsluCounter, 1828 mSDsCounter, 0 mSdLazyCounter, 11715 mSolverCounterSat, 393 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1496 SdHoareTripleChecker+Valid, 1899 SdHoareTripleChecker+Invalid, 12108 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 393 IncrementalHoareTripleChecker+Valid, 11715 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.7s IncrementalHoareTripleChecker+Time [2024-11-20 18:59:31,287 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1496 Valid, 1899 Invalid, 12108 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [393 Valid, 11715 Invalid, 0 Unknown, 0 Unchecked, 5.7s Time] [2024-11-20 18:59:31,288 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 927 states. [2024-11-20 18:59:31,321 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 927 to 924. [2024-11-20 18:59:31,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 924 states, 894 states have (on average 1.0201342281879195) internal successors, (912), 896 states have internal predecessors, (912), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2024-11-20 18:59:31,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 924 states to 924 states and 964 transitions. [2024-11-20 18:59:31,323 INFO L78 Accepts]: Start accepts. Automaton has 924 states and 964 transitions. Word has length 475 [2024-11-20 18:59:31,324 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:59:31,324 INFO L471 AbstractCegarLoop]: Abstraction has 924 states and 964 transitions. [2024-11-20 18:59:31,324 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 56 states, 55 states have (on average 15.181818181818182) internal successors, (835), 56 states have internal predecessors, (835), 24 states have call successors, (24), 1 states have call predecessors, (24), 2 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-11-20 18:59:31,324 INFO L276 IsEmpty]: Start isEmpty. Operand 924 states and 964 transitions. [2024-11-20 18:59:31,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 705 [2024-11-20 18:59:31,327 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:59:31,327 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 17, 17, 17, 1, 1, 1, 1, 1] [2024-11-20 18:59:31,333 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2024-11-20 18:59:31,528 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23,18 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:59:31,528 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2024-11-20 18:59:31,528 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:59:31,528 INFO L85 PathProgramCache]: Analyzing trace with hash 95827586, now seen corresponding path program 2 times [2024-11-20 18:59:31,528 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:59:31,528 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1090026134] [2024-11-20 18:59:31,529 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:59:31,529 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:59:31,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-20 18:59:31,614 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1915809938] [2024-11-20 18:59:31,614 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-20 18:59:31,614 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:59:31,614 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 18:59:31,616 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) [2024-11-20 18:59:31,618 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2024-11-20 18:59:31,666 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-20 18:59:31,666 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-20 18:59:31,667 INFO L255 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-20 18:59:31,672 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 18:59:31,754 INFO L134 CoverageAnalysis]: Checked inductivity of 5933 backedges. 408 proven. 0 refuted. 0 times theorem prover too weak. 5525 trivial. 0 not checked. [2024-11-20 18:59:31,755 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-20 18:59:31,755 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:59:31,755 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1090026134] [2024-11-20 18:59:31,755 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-20 18:59:31,755 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1915809938] [2024-11-20 18:59:31,755 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1915809938] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 18:59:31,756 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 18:59:31,756 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-20 18:59:31,756 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [422342911] [2024-11-20 18:59:31,756 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 18:59:31,756 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-20 18:59:31,756 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:59:31,757 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-20 18:59:31,757 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-20 18:59:31,757 INFO L87 Difference]: Start difference. First operand 924 states and 964 transitions. Second operand has 4 states, 3 states have (on average 21.666666666666668) internal successors, (65), 4 states have internal predecessors, (65), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-20 18:59:31,845 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:59:31,846 INFO L93 Difference]: Finished difference Result 924 states and 964 transitions. [2024-11-20 18:59:31,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-20 18:59:31,846 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 21.666666666666668) internal successors, (65), 4 states have internal predecessors, (65), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 704 [2024-11-20 18:59:31,847 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:59:31,850 INFO L225 Difference]: With dead ends: 924 [2024-11-20 18:59:31,850 INFO L226 Difference]: Without dead ends: 923 [2024-11-20 18:59:31,850 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 703 GetRequests, 701 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-20 18:59:31,851 INFO L432 NwaCegarLoop]: 16 mSDtfsCounter, 20 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 32 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-20 18:59:31,853 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 32 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-20 18:59:31,855 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 923 states. [2024-11-20 18:59:31,902 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 923 to 923. [2024-11-20 18:59:31,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 923 states, 894 states have (on average 1.0100671140939597) internal successors, (903), 895 states have internal predecessors, (903), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2024-11-20 18:59:31,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 923 states to 923 states and 955 transitions. [2024-11-20 18:59:31,906 INFO L78 Accepts]: Start accepts. Automaton has 923 states and 955 transitions. Word has length 704 [2024-11-20 18:59:31,907 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:59:31,907 INFO L471 AbstractCegarLoop]: Abstraction has 923 states and 955 transitions. [2024-11-20 18:59:31,907 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 21.666666666666668) internal successors, (65), 4 states have internal predecessors, (65), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-20 18:59:31,907 INFO L276 IsEmpty]: Start isEmpty. Operand 923 states and 955 transitions. [2024-11-20 18:59:31,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 716 [2024-11-20 18:59:31,910 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:59:31,910 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 19, 19, 19, 19, 19, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 1, 1, 1, 1, 1] [2024-11-20 18:59:31,916 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Ended with exit code 0 [2024-11-20 18:59:32,114 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24,19 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:59:32,115 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2024-11-20 18:59:32,115 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:59:32,115 INFO L85 PathProgramCache]: Analyzing trace with hash 335995188, now seen corresponding path program 3 times [2024-11-20 18:59:32,115 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:59:32,115 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1690344954] [2024-11-20 18:59:32,115 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:59:32,115 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:59:32,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-20 18:59:32,178 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2081050102] [2024-11-20 18:59:32,178 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-20 18:59:32,178 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:59:32,178 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 18:59:32,180 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) [2024-11-20 18:59:32,181 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2024-11-20 18:59:32,270 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-11-20 18:59:32,270 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-20 18:59:32,271 INFO L255 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-20 18:59:32,275 INFO L278 TraceCheckSpWp]: Computing forward predicates...