./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/loop-lit/gj2007.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version c7c6ca5d Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/loop-lit/gj2007.i -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 e210f4af0021f1e0c887bbfa24b18aad98424108efaad4cfc57802fd9fd5ce53 --- Real Ultimate output --- This is Ultimate 0.2.5-?-c7c6ca5-m [2024-11-09 11:26:36,446 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 11:26:36,518 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-09 11:26:36,523 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 11:26:36,525 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 11:26:36,547 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 11:26:36,548 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 11:26:36,548 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 11:26:36,548 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-09 11:26:36,549 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-09 11:26:36,549 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 11:26:36,549 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 11:26:36,550 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 11:26:36,550 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 11:26:36,551 INFO L153 SettingsManager]: * Use SBE=true [2024-11-09 11:26:36,551 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 11:26:36,551 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 11:26:36,556 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 11:26:36,556 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 11:26:36,557 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 11:26:36,557 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 11:26:36,557 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 11:26:36,558 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 11:26:36,558 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 11:26:36,558 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 11:26:36,559 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-09 11:26:36,559 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-09 11:26:36,559 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 11:26:36,560 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 11:26:36,560 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 11:26:36,560 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 11:26:36,561 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 11:26:36,561 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 11:26:36,561 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 11:26:36,562 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 11:26:36,562 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 11:26:36,562 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 11:26:36,563 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 11:26:36,563 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-09 11:26:36,563 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 11:26:36,563 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 11:26:36,564 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-09 11:26:36,564 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-09 11:26:36,565 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 11:26:36,565 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e210f4af0021f1e0c887bbfa24b18aad98424108efaad4cfc57802fd9fd5ce53 [2024-11-09 11:26:36,852 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 11:26:36,881 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 11:26:36,884 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 11:26:36,885 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 11:26:36,885 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 11:26:36,887 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loop-lit/gj2007.i [2024-11-09 11:26:38,260 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 11:26:38,439 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 11:26:38,440 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-lit/gj2007.i [2024-11-09 11:26:38,445 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/839d624b8/612be8f3111a45ce959044b89d8e28b8/FLAGcf6c3cca4 [2024-11-09 11:26:38,833 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/839d624b8/612be8f3111a45ce959044b89d8e28b8 [2024-11-09 11:26:38,835 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 11:26:38,836 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 11:26:38,837 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 11:26:38,838 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 11:26:38,844 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 11:26:38,844 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 11:26:38" (1/1) ... [2024-11-09 11:26:38,845 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1547cbfa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:26:38, skipping insertion in model container [2024-11-09 11:26:38,845 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 11:26:38" (1/1) ... [2024-11-09 11:26:38,868 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 11:26:39,026 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 11:26:39,033 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 11:26:39,047 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 11:26:39,060 INFO L204 MainTranslator]: Completed translation [2024-11-09 11:26:39,060 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:26:39 WrapperNode [2024-11-09 11:26:39,060 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 11:26:39,061 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 11:26:39,061 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 11:26:39,061 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 11:26:39,068 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:26:39" (1/1) ... [2024-11-09 11:26:39,074 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:26:39" (1/1) ... [2024-11-09 11:26:39,087 INFO L138 Inliner]: procedures = 16, calls = 8, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 35 [2024-11-09 11:26:39,087 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 11:26:39,088 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 11:26:39,088 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 11:26:39,088 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 11:26:39,096 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:26:39" (1/1) ... [2024-11-09 11:26:39,097 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:26:39" (1/1) ... [2024-11-09 11:26:39,097 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:26:39" (1/1) ... [2024-11-09 11:26:39,106 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]. [2024-11-09 11:26:39,106 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:26:39" (1/1) ... [2024-11-09 11:26:39,106 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:26:39" (1/1) ... [2024-11-09 11:26:39,109 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:26:39" (1/1) ... [2024-11-09 11:26:39,112 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:26:39" (1/1) ... [2024-11-09 11:26:39,113 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:26:39" (1/1) ... [2024-11-09 11:26:39,114 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:26:39" (1/1) ... [2024-11-09 11:26:39,115 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 11:26:39,116 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 11:26:39,116 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 11:26:39,116 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 11:26:39,117 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:26:39" (1/1) ... [2024-11-09 11:26:39,121 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 11:26:39,132 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:26:39,159 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) [2024-11-09 11:26:39,163 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 [2024-11-09 11:26:39,209 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 11:26:39,209 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-09 11:26:39,210 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 11:26:39,210 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 11:26:39,273 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 11:26:39,275 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 11:26:39,419 INFO L? ?]: Removed 13 outVars from TransFormulas that were not future-live. [2024-11-09 11:26:39,420 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 11:26:39,454 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 11:26:39,455 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 11:26:39,455 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 11:26:39 BoogieIcfgContainer [2024-11-09 11:26:39,455 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 11:26:39,461 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 11:26:39,461 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 11:26:39,468 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 11:26:39,469 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 11:26:38" (1/3) ... [2024-11-09 11:26:39,469 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2592be97 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 11:26:39, skipping insertion in model container [2024-11-09 11:26:39,469 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:26:39" (2/3) ... [2024-11-09 11:26:39,470 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2592be97 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 11:26:39, skipping insertion in model container [2024-11-09 11:26:39,470 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 11:26:39" (3/3) ... [2024-11-09 11:26:39,471 INFO L112 eAbstractionObserver]: Analyzing ICFG gj2007.i [2024-11-09 11:26:39,491 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 11:26:39,495 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2024-11-09 11:26:39,571 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 11:26:39,576 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;@3a7f6990, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 11:26:39,578 INFO L334 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2024-11-09 11:26:39,582 INFO L276 IsEmpty]: Start isEmpty. Operand has 25 states, 18 states have (on average 1.6111111111111112) internal successors, (29), 24 states have internal predecessors, (29), 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) [2024-11-09 11:26:39,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-09 11:26:39,589 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:26:39,591 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2024-11-09 11:26:39,592 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-09 11:26:39,597 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:26:39,597 INFO L85 PathProgramCache]: Analyzing trace with hash 28699945, now seen corresponding path program 1 times [2024-11-09 11:26:39,606 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:26:39,607 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [381364606] [2024-11-09 11:26:39,607 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:26:39,607 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:26:39,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:26:39,779 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 11:26:39,780 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:26:39,780 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [381364606] [2024-11-09 11:26:39,780 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [381364606] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:26:39,781 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:26:39,781 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 11:26:39,782 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2099731520] [2024-11-09 11:26:39,783 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:26:39,786 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 11:26:39,787 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:26:39,808 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 11:26:39,809 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 11:26:39,810 INFO L87 Difference]: Start difference. First operand has 25 states, 18 states have (on average 1.6111111111111112) internal successors, (29), 24 states have internal predecessors, (29), 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) Second operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 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) [2024-11-09 11:26:39,858 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:26:39,859 INFO L93 Difference]: Finished difference Result 51 states and 64 transitions. [2024-11-09 11:26:39,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 11:26:39,861 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 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 5 [2024-11-09 11:26:39,861 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:26:39,866 INFO L225 Difference]: With dead ends: 51 [2024-11-09 11:26:39,866 INFO L226 Difference]: Without dead ends: 20 [2024-11-09 11:26:39,868 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 11:26:39,872 INFO L432 NwaCegarLoop]: 21 mSDtfsCounter, 2 mSDsluCounter, 11 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 32 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 11:26:39,872 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 32 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 11:26:39,891 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states. [2024-11-09 11:26:39,903 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 20. [2024-11-09 11:26:39,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 14 states have (on average 1.5) internal successors, (21), 19 states have internal predecessors, (21), 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) [2024-11-09 11:26:39,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 21 transitions. [2024-11-09 11:26:39,908 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 21 transitions. Word has length 5 [2024-11-09 11:26:39,908 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:26:39,908 INFO L471 AbstractCegarLoop]: Abstraction has 20 states and 21 transitions. [2024-11-09 11:26:39,909 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 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) [2024-11-09 11:26:39,909 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 21 transitions. [2024-11-09 11:26:39,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-09 11:26:39,910 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:26:39,910 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:26:39,911 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 11:26:39,914 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-09 11:26:39,915 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:26:39,915 INFO L85 PathProgramCache]: Analyzing trace with hash 582877668, now seen corresponding path program 1 times [2024-11-09 11:26:39,915 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:26:39,915 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [279285849] [2024-11-09 11:26:39,915 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:26:39,916 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:26:39,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:26:40,026 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 11:26:40,026 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:26:40,026 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [279285849] [2024-11-09 11:26:40,026 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [279285849] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:26:40,027 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [962146856] [2024-11-09 11:26:40,027 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:26:40,027 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:26:40,027 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:26:40,031 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) [2024-11-09 11:26:40,033 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-09 11:26:40,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:26:40,087 INFO L255 TraceCheckSpWp]: Trace formula consists of 30 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-09 11:26:40,091 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:26:40,107 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-09 11:26:40,108 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 11:26:40,108 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [962146856] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:26:40,108 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 11:26:40,109 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2024-11-09 11:26:40,110 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1192473120] [2024-11-09 11:26:40,110 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:26:40,111 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 11:26:40,111 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:26:40,112 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 11:26:40,112 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-09 11:26:40,112 INFO L87 Difference]: Start difference. First operand 20 states and 21 transitions. Second operand has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 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) [2024-11-09 11:26:40,143 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:26:40,144 INFO L93 Difference]: Finished difference Result 35 states and 39 transitions. [2024-11-09 11:26:40,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 11:26:40,144 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 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 [2024-11-09 11:26:40,145 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:26:40,145 INFO L225 Difference]: With dead ends: 35 [2024-11-09 11:26:40,145 INFO L226 Difference]: Without dead ends: 21 [2024-11-09 11:26:40,146 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-09 11:26:40,147 INFO L432 NwaCegarLoop]: 13 mSDtfsCounter, 6 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 14 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 11:26:40,148 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 14 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 11:26:40,148 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2024-11-09 11:26:40,150 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21. [2024-11-09 11:26:40,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21 states, 16 states have (on average 1.375) internal successors, (22), 20 states have internal predecessors, (22), 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) [2024-11-09 11:26:40,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 22 transitions. [2024-11-09 11:26:40,153 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 22 transitions. Word has length 9 [2024-11-09 11:26:40,154 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:26:40,154 INFO L471 AbstractCegarLoop]: Abstraction has 21 states and 22 transitions. [2024-11-09 11:26:40,154 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 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) [2024-11-09 11:26:40,154 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 22 transitions. [2024-11-09 11:26:40,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-09 11:26:40,155 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:26:40,156 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1] [2024-11-09 11:26:40,173 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-09 11:26:40,359 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:26:40,360 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-09 11:26:40,361 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:26:40,361 INFO L85 PathProgramCache]: Analyzing trace with hash 582877476, now seen corresponding path program 1 times [2024-11-09 11:26:40,361 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:26:40,361 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1034185989] [2024-11-09 11:26:40,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:26:40,361 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:26:40,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:26:40,421 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 11:26:40,423 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:26:40,423 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1034185989] [2024-11-09 11:26:40,424 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1034185989] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:26:40,424 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2022880956] [2024-11-09 11:26:40,424 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:26:40,424 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:26:40,427 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:26:40,428 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) [2024-11-09 11:26:40,432 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-09 11:26:40,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:26:40,471 INFO L255 TraceCheckSpWp]: Trace formula consists of 30 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-09 11:26:40,472 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:26:40,521 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 11:26:40,522 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 11:26:40,522 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2022880956] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:26:40,522 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 11:26:40,522 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2024-11-09 11:26:40,522 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1057928954] [2024-11-09 11:26:40,523 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:26:40,523 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 11:26:40,523 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:26:40,524 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 11:26:40,524 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-09 11:26:40,526 INFO L87 Difference]: Start difference. First operand 21 states and 22 transitions. Second operand has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 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) [2024-11-09 11:26:40,560 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:26:40,562 INFO L93 Difference]: Finished difference Result 21 states and 22 transitions. [2024-11-09 11:26:40,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 11:26:40,563 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 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 [2024-11-09 11:26:40,563 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:26:40,564 INFO L225 Difference]: With dead ends: 21 [2024-11-09 11:26:40,564 INFO L226 Difference]: Without dead ends: 20 [2024-11-09 11:26:40,564 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-09 11:26:40,567 INFO L432 NwaCegarLoop]: 6 mSDtfsCounter, 13 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 7 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 11:26:40,567 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 7 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 11:26:40,568 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states. [2024-11-09 11:26:40,573 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 20. [2024-11-09 11:26:40,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 16 states have (on average 1.3125) internal successors, (21), 19 states have internal predecessors, (21), 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) [2024-11-09 11:26:40,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 21 transitions. [2024-11-09 11:26:40,576 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 21 transitions. Word has length 9 [2024-11-09 11:26:40,577 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:26:40,577 INFO L471 AbstractCegarLoop]: Abstraction has 20 states and 21 transitions. [2024-11-09 11:26:40,577 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 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) [2024-11-09 11:26:40,577 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 21 transitions. [2024-11-09 11:26:40,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-09 11:26:40,578 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:26:40,578 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:26:40,593 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-09 11:26:40,778 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,SelfDestructingSolverStorable2 [2024-11-09 11:26:40,779 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-09 11:26:40,779 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:26:40,779 INFO L85 PathProgramCache]: Analyzing trace with hash 889338578, now seen corresponding path program 1 times [2024-11-09 11:26:40,780 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:26:40,780 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1179016874] [2024-11-09 11:26:40,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:26:40,780 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:26:40,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:26:40,835 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 11:26:40,835 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:26:40,835 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1179016874] [2024-11-09 11:26:40,835 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1179016874] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:26:40,835 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1169838585] [2024-11-09 11:26:40,835 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:26:40,836 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:26:40,836 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:26:40,840 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) [2024-11-09 11:26:40,842 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-09 11:26:40,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:26:40,880 INFO L255 TraceCheckSpWp]: Trace formula consists of 31 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-09 11:26:40,881 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:26:40,899 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-09 11:26:40,900 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 11:26:40,900 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1169838585] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:26:40,900 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 11:26:40,900 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2024-11-09 11:26:40,901 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1133504906] [2024-11-09 11:26:40,901 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:26:40,901 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 11:26:40,901 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:26:40,902 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 11:26:40,902 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-09 11:26:40,902 INFO L87 Difference]: Start difference. First operand 20 states and 21 transitions. Second operand has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 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) [2024-11-09 11:26:40,915 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:26:40,915 INFO L93 Difference]: Finished difference Result 20 states and 21 transitions. [2024-11-09 11:26:40,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 11:26:40,916 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 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 10 [2024-11-09 11:26:40,916 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:26:40,916 INFO L225 Difference]: With dead ends: 20 [2024-11-09 11:26:40,916 INFO L226 Difference]: Without dead ends: 18 [2024-11-09 11:26:40,917 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-09 11:26:40,918 INFO L432 NwaCegarLoop]: 6 mSDtfsCounter, 2 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 11 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 11:26:40,918 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 11 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 11:26:40,919 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states. [2024-11-09 11:26:40,921 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 16. [2024-11-09 11:26:40,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 14 states have (on average 1.2142857142857142) internal successors, (17), 15 states have internal predecessors, (17), 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) [2024-11-09 11:26:40,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 17 transitions. [2024-11-09 11:26:40,922 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 17 transitions. Word has length 10 [2024-11-09 11:26:40,922 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:26:40,922 INFO L471 AbstractCegarLoop]: Abstraction has 16 states and 17 transitions. [2024-11-09 11:26:40,922 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 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) [2024-11-09 11:26:40,923 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 17 transitions. [2024-11-09 11:26:40,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-09 11:26:40,923 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:26:40,923 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:26:40,941 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-09 11:26:41,127 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:26:41,128 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-09 11:26:41,128 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:26:41,129 INFO L85 PathProgramCache]: Analyzing trace with hash 1799692198, now seen corresponding path program 1 times [2024-11-09 11:26:41,129 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:26:41,129 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [717325281] [2024-11-09 11:26:41,129 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:26:41,129 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:26:41,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:26:41,183 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 11:26:41,184 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:26:41,184 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [717325281] [2024-11-09 11:26:41,184 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [717325281] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:26:41,184 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [110120372] [2024-11-09 11:26:41,185 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:26:41,185 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:26:41,185 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:26:41,187 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) [2024-11-09 11:26:41,188 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-09 11:26:41,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:26:41,220 INFO L255 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-09 11:26:41,221 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:26:41,241 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-09 11:26:41,242 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 11:26:41,242 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [110120372] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:26:41,242 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 11:26:41,242 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2024-11-09 11:26:41,243 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1866453184] [2024-11-09 11:26:41,243 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:26:41,243 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 11:26:41,243 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:26:41,244 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 11:26:41,244 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-09 11:26:41,244 INFO L87 Difference]: Start difference. First operand 16 states and 17 transitions. Second operand has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 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) [2024-11-09 11:26:41,251 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:26:41,251 INFO L93 Difference]: Finished difference Result 16 states and 17 transitions. [2024-11-09 11:26:41,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 11:26:41,252 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 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 11 [2024-11-09 11:26:41,253 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:26:41,253 INFO L225 Difference]: With dead ends: 16 [2024-11-09 11:26:41,254 INFO L226 Difference]: Without dead ends: 15 [2024-11-09 11:26:41,255 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-09 11:26:41,255 INFO L432 NwaCegarLoop]: 9 mSDtfsCounter, 1 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 10 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 11:26:41,259 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 10 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 11:26:41,260 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states. [2024-11-09 11:26:41,262 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2024-11-09 11:26:41,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 14 states have (on average 1.1428571428571428) internal successors, (16), 14 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:26:41,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 16 transitions. [2024-11-09 11:26:41,264 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 16 transitions. Word has length 11 [2024-11-09 11:26:41,264 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:26:41,264 INFO L471 AbstractCegarLoop]: Abstraction has 15 states and 16 transitions. [2024-11-09 11:26:41,264 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 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) [2024-11-09 11:26:41,265 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 16 transitions. [2024-11-09 11:26:41,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-09 11:26:41,265 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:26:41,265 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:26:41,278 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-09 11:26:41,466 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:26:41,467 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-09 11:26:41,467 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:26:41,467 INFO L85 PathProgramCache]: Analyzing trace with hash -44116652, now seen corresponding path program 1 times [2024-11-09 11:26:41,467 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:26:41,468 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [842527297] [2024-11-09 11:26:41,468 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:26:41,468 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:26:41,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:26:41,537 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 11:26:41,538 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:26:41,538 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [842527297] [2024-11-09 11:26:41,538 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [842527297] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:26:41,539 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [972437771] [2024-11-09 11:26:41,539 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:26:41,539 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:26:41,539 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:26:41,541 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) [2024-11-09 11:26:41,542 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-09 11:26:41,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:26:41,577 INFO L255 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-09 11:26:41,578 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:26:41,611 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-09 11:26:41,611 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 11:26:41,611 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [972437771] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:26:41,612 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 11:26:41,612 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2024-11-09 11:26:41,612 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [100399556] [2024-11-09 11:26:41,612 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:26:41,612 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 11:26:41,612 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:26:41,613 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 11:26:41,613 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-09 11:26:41,613 INFO L87 Difference]: Start difference. First operand 15 states and 16 transitions. Second operand has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 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) [2024-11-09 11:26:41,627 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:26:41,627 INFO L93 Difference]: Finished difference Result 20 states and 21 transitions. [2024-11-09 11:26:41,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 11:26:41,628 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 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 12 [2024-11-09 11:26:41,628 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:26:41,628 INFO L225 Difference]: With dead ends: 20 [2024-11-09 11:26:41,629 INFO L226 Difference]: Without dead ends: 19 [2024-11-09 11:26:41,629 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-09 11:26:41,630 INFO L432 NwaCegarLoop]: 10 mSDtfsCounter, 0 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 15 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 11:26:41,631 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 15 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 11:26:41,632 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states. [2024-11-09 11:26:41,636 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19. [2024-11-09 11:26:41,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 18 states have (on average 1.1111111111111112) internal successors, (20), 18 states have internal predecessors, (20), 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) [2024-11-09 11:26:41,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 20 transitions. [2024-11-09 11:26:41,640 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 20 transitions. Word has length 12 [2024-11-09 11:26:41,640 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:26:41,640 INFO L471 AbstractCegarLoop]: Abstraction has 19 states and 20 transitions. [2024-11-09 11:26:41,640 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 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) [2024-11-09 11:26:41,641 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 20 transitions. [2024-11-09 11:26:41,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-09 11:26:41,641 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:26:41,641 INFO L215 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:26:41,654 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-09 11:26:41,841 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:26:41,842 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-09 11:26:41,842 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:26:41,843 INFO L85 PathProgramCache]: Analyzing trace with hash 847660033, now seen corresponding path program 1 times [2024-11-09 11:26:41,843 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:26:41,843 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [960863608] [2024-11-09 11:26:41,843 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:26:41,843 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:26:41,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:26:41,902 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-09 11:26:41,903 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:26:41,903 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [960863608] [2024-11-09 11:26:41,903 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [960863608] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:26:41,903 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [535358353] [2024-11-09 11:26:41,903 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:26:41,903 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:26:41,904 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:26:41,905 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) [2024-11-09 11:26:41,906 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-09 11:26:41,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:26:41,935 INFO L255 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-09 11:26:41,936 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:26:41,954 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-09 11:26:41,955 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:26:41,990 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-09 11:26:41,991 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [535358353] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 11:26:41,991 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 11:26:41,991 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2024-11-09 11:26:41,991 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [292105219] [2024-11-09 11:26:41,991 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 11:26:41,992 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-09 11:26:41,992 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:26:41,992 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-09 11:26:41,993 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-09 11:26:41,993 INFO L87 Difference]: Start difference. First operand 19 states and 20 transitions. Second operand has 7 states, 7 states have (on average 3.857142857142857) internal successors, (27), 7 states have internal predecessors, (27), 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) [2024-11-09 11:26:42,058 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:26:42,058 INFO L93 Difference]: Finished difference Result 42 states and 46 transitions. [2024-11-09 11:26:42,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 11:26:42,060 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 3.857142857142857) internal successors, (27), 7 states have internal predecessors, (27), 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 18 [2024-11-09 11:26:42,060 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:26:42,060 INFO L225 Difference]: With dead ends: 42 [2024-11-09 11:26:42,060 INFO L226 Difference]: Without dead ends: 31 [2024-11-09 11:26:42,061 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-09 11:26:42,061 INFO L432 NwaCegarLoop]: 8 mSDtfsCounter, 4 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 24 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 11:26:42,062 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 24 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 11:26:42,062 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2024-11-09 11:26:42,073 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2024-11-09 11:26:42,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31 states, 30 states have (on average 1.0666666666666667) internal successors, (32), 30 states have internal predecessors, (32), 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) [2024-11-09 11:26:42,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 32 transitions. [2024-11-09 11:26:42,074 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 32 transitions. Word has length 18 [2024-11-09 11:26:42,074 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:26:42,074 INFO L471 AbstractCegarLoop]: Abstraction has 31 states and 32 transitions. [2024-11-09 11:26:42,074 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 3.857142857142857) internal successors, (27), 7 states have internal predecessors, (27), 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) [2024-11-09 11:26:42,074 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 32 transitions. [2024-11-09 11:26:42,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-09 11:26:42,075 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:26:42,075 INFO L215 NwaCegarLoop]: trace histogram [6, 4, 4, 4, 2, 2, 2, 2, 1, 1, 1, 1] [2024-11-09 11:26:42,110 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-09 11:26:42,275 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:26:42,276 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-09 11:26:42,277 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:26:42,277 INFO L85 PathProgramCache]: Analyzing trace with hash 1705987568, now seen corresponding path program 2 times [2024-11-09 11:26:42,277 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:26:42,277 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1038795697] [2024-11-09 11:26:42,277 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:26:42,277 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:26:42,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:26:42,345 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 11:26:42,345 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:26:42,345 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1038795697] [2024-11-09 11:26:42,345 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1038795697] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:26:42,345 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1406149460] [2024-11-09 11:26:42,346 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-09 11:26:42,346 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:26:42,346 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:26:42,348 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) [2024-11-09 11:26:42,349 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-09 11:26:42,386 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-09 11:26:42,387 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-09 11:26:42,388 INFO L255 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-09 11:26:42,390 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:26:42,475 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 10 proven. 32 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-09 11:26:42,475 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:26:42,580 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 10 proven. 32 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-09 11:26:42,581 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1406149460] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 11:26:42,581 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 11:26:42,581 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 7, 7] total 14 [2024-11-09 11:26:42,581 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1614895493] [2024-11-09 11:26:42,581 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 11:26:42,581 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-09 11:26:42,581 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:26:42,584 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-09 11:26:42,585 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=111, Unknown=0, NotChecked=0, Total=182 [2024-11-09 11:26:42,585 INFO L87 Difference]: Start difference. First operand 31 states and 32 transitions. Second operand has 14 states, 14 states have (on average 4.428571428571429) internal successors, (62), 14 states have internal predecessors, (62), 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) [2024-11-09 11:26:42,773 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:26:42,773 INFO L93 Difference]: Finished difference Result 72 states and 80 transitions. [2024-11-09 11:26:42,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-09 11:26:42,774 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 4.428571428571429) internal successors, (62), 14 states have internal predecessors, (62), 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 30 [2024-11-09 11:26:42,774 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:26:42,775 INFO L225 Difference]: With dead ends: 72 [2024-11-09 11:26:42,775 INFO L226 Difference]: Without dead ends: 61 [2024-11-09 11:26:42,776 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=211, Invalid=341, Unknown=0, NotChecked=0, Total=552 [2024-11-09 11:26:42,777 INFO L432 NwaCegarLoop]: 6 mSDtfsCounter, 4 mSDsluCounter, 11 mSDsCounter, 0 mSdLazyCounter, 54 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 17 SdHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 54 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 11:26:42,777 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 17 Invalid, 56 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 54 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 11:26:42,777 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2024-11-09 11:26:42,783 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 61. [2024-11-09 11:26:42,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 61 states, 60 states have (on average 1.0333333333333334) internal successors, (62), 60 states have internal predecessors, (62), 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) [2024-11-09 11:26:42,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 62 transitions. [2024-11-09 11:26:42,784 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 62 transitions. Word has length 30 [2024-11-09 11:26:42,784 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:26:42,784 INFO L471 AbstractCegarLoop]: Abstraction has 61 states and 62 transitions. [2024-11-09 11:26:42,784 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 4.428571428571429) internal successors, (62), 14 states have internal predecessors, (62), 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) [2024-11-09 11:26:42,784 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 62 transitions. [2024-11-09 11:26:42,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2024-11-09 11:26:42,785 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:26:42,786 INFO L215 NwaCegarLoop]: trace histogram [13, 10, 10, 10, 3, 3, 3, 3, 2, 1, 1, 1] [2024-11-09 11:26:42,801 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-09 11:26:42,986 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:26:42,987 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-09 11:26:42,987 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:26:42,987 INFO L85 PathProgramCache]: Analyzing trace with hash 454631803, now seen corresponding path program 3 times [2024-11-09 11:26:42,987 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:26:42,987 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [719144188] [2024-11-09 11:26:42,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:26:42,988 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:26:43,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:26:43,129 INFO L134 CoverageAnalysis]: Checked inductivity of 258 backedges. 0 proven. 58 refuted. 0 times theorem prover too weak. 200 trivial. 0 not checked. [2024-11-09 11:26:43,130 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:26:43,130 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [719144188] [2024-11-09 11:26:43,130 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [719144188] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:26:43,130 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [416057009] [2024-11-09 11:26:43,131 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-09 11:26:43,131 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:26:43,131 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:26:43,132 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) [2024-11-09 11:26:43,133 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-09 11:26:43,168 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2024-11-09 11:26:43,168 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-09 11:26:43,169 INFO L255 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 11:26:43,171 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:26:43,253 INFO L134 CoverageAnalysis]: Checked inductivity of 258 backedges. 0 proven. 58 refuted. 0 times theorem prover too weak. 200 trivial. 0 not checked. [2024-11-09 11:26:43,253 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:26:43,352 INFO L134 CoverageAnalysis]: Checked inductivity of 258 backedges. 0 proven. 58 refuted. 0 times theorem prover too weak. 200 trivial. 0 not checked. [2024-11-09 11:26:43,352 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [416057009] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 11:26:43,352 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 11:26:43,352 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2024-11-09 11:26:43,353 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1349549054] [2024-11-09 11:26:43,353 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 11:26:43,353 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-09 11:26:43,353 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:26:43,354 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-09 11:26:43,354 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2024-11-09 11:26:43,354 INFO L87 Difference]: Start difference. First operand 61 states and 62 transitions. Second operand has 8 states, 7 states have (on average 6.428571428571429) internal successors, (45), 8 states have internal predecessors, (45), 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) [2024-11-09 11:26:43,378 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:26:43,378 INFO L93 Difference]: Finished difference Result 86 states and 90 transitions. [2024-11-09 11:26:43,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-09 11:26:43,378 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 6.428571428571429) internal successors, (45), 8 states have internal predecessors, (45), 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 60 [2024-11-09 11:26:43,379 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:26:43,380 INFO L225 Difference]: With dead ends: 86 [2024-11-09 11:26:43,380 INFO L226 Difference]: Without dead ends: 85 [2024-11-09 11:26:43,381 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 116 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2024-11-09 11:26:43,383 INFO L432 NwaCegarLoop]: 10 mSDtfsCounter, 0 mSDsluCounter, 27 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 37 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 11:26:43,383 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 37 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 11:26:43,384 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2024-11-09 11:26:43,391 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 85. [2024-11-09 11:26:43,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 85 states, 84 states have (on average 1.0238095238095237) internal successors, (86), 84 states have internal predecessors, (86), 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) [2024-11-09 11:26:43,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 86 transitions. [2024-11-09 11:26:43,392 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 86 transitions. Word has length 60 [2024-11-09 11:26:43,393 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:26:43,393 INFO L471 AbstractCegarLoop]: Abstraction has 85 states and 86 transitions. [2024-11-09 11:26:43,393 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 6.428571428571429) internal successors, (45), 8 states have internal predecessors, (45), 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) [2024-11-09 11:26:43,393 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 86 transitions. [2024-11-09 11:26:43,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2024-11-09 11:26:43,395 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:26:43,395 INFO L215 NwaCegarLoop]: trace histogram [17, 10, 10, 10, 7, 7, 7, 7, 6, 1, 1, 1] [2024-11-09 11:26:43,412 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-11-09 11:26:43,595 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2024-11-09 11:26:43,596 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-09 11:26:43,597 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:26:43,597 INFO L85 PathProgramCache]: Analyzing trace with hash 519378095, now seen corresponding path program 4 times [2024-11-09 11:26:43,597 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:26:43,597 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [648192317] [2024-11-09 11:26:43,597 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:26:43,598 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:26:43,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:26:43,894 INFO L134 CoverageAnalysis]: Checked inductivity of 446 backedges. 132 proven. 200 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2024-11-09 11:26:43,895 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:26:43,896 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [648192317] [2024-11-09 11:26:43,896 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [648192317] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:26:43,896 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [494571078] [2024-11-09 11:26:43,896 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-09 11:26:43,896 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:26:43,896 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:26:43,898 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) [2024-11-09 11:26:43,899 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-09 11:26:43,953 INFO L227 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-09 11:26:43,953 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-09 11:26:43,954 INFO L255 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-09 11:26:43,956 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:26:44,030 INFO L134 CoverageAnalysis]: Checked inductivity of 446 backedges. 132 proven. 200 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2024-11-09 11:26:44,030 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:26:44,283 INFO L134 CoverageAnalysis]: Checked inductivity of 446 backedges. 132 proven. 200 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2024-11-09 11:26:44,284 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [494571078] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 11:26:44,284 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 11:26:44,284 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13, 13] total 25 [2024-11-09 11:26:44,284 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1758183966] [2024-11-09 11:26:44,284 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 11:26:44,285 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2024-11-09 11:26:44,285 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:26:44,286 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2024-11-09 11:26:44,286 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=300, Invalid=300, Unknown=0, NotChecked=0, Total=600 [2024-11-09 11:26:44,286 INFO L87 Difference]: Start difference. First operand 85 states and 86 transitions. Second operand has 25 states, 25 states have (on average 3.96) internal successors, (99), 25 states have internal predecessors, (99), 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) [2024-11-09 11:26:44,412 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:26:44,412 INFO L93 Difference]: Finished difference Result 174 states and 187 transitions. [2024-11-09 11:26:44,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-11-09 11:26:44,417 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 25 states have (on average 3.96) internal successors, (99), 25 states have internal predecessors, (99), 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 84 [2024-11-09 11:26:44,417 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:26:44,418 INFO L225 Difference]: With dead ends: 174 [2024-11-09 11:26:44,418 INFO L226 Difference]: Without dead ends: 133 [2024-11-09 11:26:44,419 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 179 GetRequests, 156 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=300, Invalid=300, Unknown=0, NotChecked=0, Total=600 [2024-11-09 11:26:44,419 INFO L432 NwaCegarLoop]: 8 mSDtfsCounter, 4 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 102 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 24 SdHoareTripleChecker+Invalid, 104 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 102 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 11:26:44,420 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 24 Invalid, 104 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 102 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 11:26:44,421 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states. [2024-11-09 11:26:44,429 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 133. [2024-11-09 11:26:44,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 133 states, 132 states have (on average 1.0151515151515151) internal successors, (134), 132 states have internal predecessors, (134), 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) [2024-11-09 11:26:44,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 134 transitions. [2024-11-09 11:26:44,430 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 134 transitions. Word has length 84 [2024-11-09 11:26:44,431 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:26:44,431 INFO L471 AbstractCegarLoop]: Abstraction has 133 states and 134 transitions. [2024-11-09 11:26:44,431 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 3.96) internal successors, (99), 25 states have internal predecessors, (99), 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) [2024-11-09 11:26:44,431 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 134 transitions. [2024-11-09 11:26:44,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2024-11-09 11:26:44,433 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:26:44,433 INFO L215 NwaCegarLoop]: trace histogram [29, 22, 22, 22, 7, 7, 7, 7, 6, 1, 1, 1] [2024-11-09 11:26:44,451 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-11-09 11:26:44,633 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-11-09 11:26:44,634 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-09 11:26:44,634 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:26:44,634 INFO L85 PathProgramCache]: Analyzing trace with hash -825981333, now seen corresponding path program 5 times [2024-11-09 11:26:44,634 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:26:44,634 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1019400776] [2024-11-09 11:26:44,634 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:26:44,635 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:26:44,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:26:45,235 INFO L134 CoverageAnalysis]: Checked inductivity of 1358 backedges. 276 proven. 968 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2024-11-09 11:26:45,236 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:26:45,236 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1019400776] [2024-11-09 11:26:45,236 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1019400776] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:26:45,236 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2007290571] [2024-11-09 11:26:45,236 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-09 11:26:45,237 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:26:45,237 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:26:45,238 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) [2024-11-09 11:26:45,254 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-09 11:26:45,326 INFO L227 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 24 check-sat command(s) [2024-11-09 11:26:45,326 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-09 11:26:45,328 INFO L255 TraceCheckSpWp]: Trace formula consists of 221 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-09 11:26:45,330 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:26:45,475 INFO L134 CoverageAnalysis]: Checked inductivity of 1358 backedges. 276 proven. 968 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2024-11-09 11:26:45,476 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:26:46,348 INFO L134 CoverageAnalysis]: Checked inductivity of 1358 backedges. 276 proven. 968 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2024-11-09 11:26:46,349 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2007290571] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 11:26:46,349 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 11:26:46,349 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 25, 25] total 49 [2024-11-09 11:26:46,350 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [203791182] [2024-11-09 11:26:46,350 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 11:26:46,350 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 49 states [2024-11-09 11:26:46,351 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:26:46,352 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 49 interpolants. [2024-11-09 11:26:46,353 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1176, Invalid=1176, Unknown=0, NotChecked=0, Total=2352 [2024-11-09 11:26:46,354 INFO L87 Difference]: Start difference. First operand 133 states and 134 transitions. Second operand has 49 states, 49 states have (on average 3.979591836734694) internal successors, (195), 49 states have internal predecessors, (195), 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) [2024-11-09 11:26:46,622 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:26:46,622 INFO L93 Difference]: Finished difference Result 270 states and 295 transitions. [2024-11-09 11:26:46,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2024-11-09 11:26:46,623 INFO L78 Accepts]: Start accepts. Automaton has has 49 states, 49 states have (on average 3.979591836734694) internal successors, (195), 49 states have internal predecessors, (195), 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 132 [2024-11-09 11:26:46,624 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:26:46,625 INFO L225 Difference]: With dead ends: 270 [2024-11-09 11:26:46,625 INFO L226 Difference]: Without dead ends: 229 [2024-11-09 11:26:46,626 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 287 GetRequests, 240 SyntacticMatches, 0 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 88 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=1176, Invalid=1176, Unknown=0, NotChecked=0, Total=2352 [2024-11-09 11:26:46,631 INFO L432 NwaCegarLoop]: 8 mSDtfsCounter, 4 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 202 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 24 SdHoareTripleChecker+Invalid, 204 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 202 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 11:26:46,631 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 24 Invalid, 204 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 202 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 11:26:46,632 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 229 states. [2024-11-09 11:26:46,682 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 229 to 229. [2024-11-09 11:26:46,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 229 states, 228 states have (on average 1.0087719298245614) internal successors, (230), 228 states have internal predecessors, (230), 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) [2024-11-09 11:26:46,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 229 states and 230 transitions. [2024-11-09 11:26:46,684 INFO L78 Accepts]: Start accepts. Automaton has 229 states and 230 transitions. Word has length 132 [2024-11-09 11:26:46,685 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:26:46,685 INFO L471 AbstractCegarLoop]: Abstraction has 229 states and 230 transitions. [2024-11-09 11:26:46,685 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 49 states, 49 states have (on average 3.979591836734694) internal successors, (195), 49 states have internal predecessors, (195), 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) [2024-11-09 11:26:46,685 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 230 transitions. [2024-11-09 11:26:46,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2024-11-09 11:26:46,688 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:26:46,689 INFO L215 NwaCegarLoop]: trace histogram [53, 46, 46, 46, 7, 7, 7, 7, 6, 1, 1, 1] [2024-11-09 11:26:46,713 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-11-09 11:26:46,892 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2024-11-09 11:26:46,893 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-09 11:26:46,893 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:26:46,893 INFO L85 PathProgramCache]: Analyzing trace with hash 250130915, now seen corresponding path program 6 times [2024-11-09 11:26:46,894 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:26:46,894 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [53888976] [2024-11-09 11:26:46,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:26:46,894 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:26:46,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:26:48,998 INFO L134 CoverageAnalysis]: Checked inductivity of 4910 backedges. 564 proven. 4232 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2024-11-09 11:26:48,999 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:26:48,999 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [53888976] [2024-11-09 11:26:48,999 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [53888976] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:26:48,999 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1934452157] [2024-11-09 11:26:48,999 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-11-09 11:26:49,000 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:26:49,000 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:26:49,003 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) [2024-11-09 11:26:49,005 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-11-09 11:26:49,059 INFO L227 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 15 check-sat command(s) [2024-11-09 11:26:49,059 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-09 11:26:49,060 INFO L255 TraceCheckSpWp]: Trace formula consists of 167 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-09 11:26:49,063 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:26:49,485 INFO L134 CoverageAnalysis]: Checked inductivity of 4910 backedges. 0 proven. 678 refuted. 0 times theorem prover too weak. 4232 trivial. 0 not checked. [2024-11-09 11:26:49,485 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:26:49,944 INFO L134 CoverageAnalysis]: Checked inductivity of 4910 backedges. 0 proven. 678 refuted. 0 times theorem prover too weak. 4232 trivial. 0 not checked. [2024-11-09 11:26:49,944 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1934452157] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 11:26:49,944 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 11:26:49,944 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [49, 8, 8] total 63 [2024-11-09 11:26:49,945 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [447629914] [2024-11-09 11:26:49,945 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 11:26:49,945 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 63 states [2024-11-09 11:26:49,946 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:26:49,947 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 63 interpolants. [2024-11-09 11:26:49,948 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1295, Invalid=2611, Unknown=0, NotChecked=0, Total=3906 [2024-11-09 11:26:49,949 INFO L87 Difference]: Start difference. First operand 229 states and 230 transitions. Second operand has 63 states, 63 states have (on average 4.555555555555555) internal successors, (287), 63 states have internal predecessors, (287), 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) [2024-11-09 11:26:51,393 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:26:51,394 INFO L93 Difference]: Finished difference Result 324 states and 334 transitions. [2024-11-09 11:26:51,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2024-11-09 11:26:51,394 INFO L78 Accepts]: Start accepts. Automaton has has 63 states, 63 states have (on average 4.555555555555555) internal successors, (287), 63 states have internal predecessors, (287), 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 228 [2024-11-09 11:26:51,395 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:26:51,396 INFO L225 Difference]: With dead ends: 324 [2024-11-09 11:26:51,396 INFO L226 Difference]: Without dead ends: 283 [2024-11-09 11:26:51,399 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 550 GetRequests, 442 SyntacticMatches, 0 SemanticMatches, 108 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1725 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=4256, Invalid=7734, Unknown=0, NotChecked=0, Total=11990 [2024-11-09 11:26:51,399 INFO L432 NwaCegarLoop]: 6 mSDtfsCounter, 2 mSDsluCounter, 64 mSDsCounter, 0 mSdLazyCounter, 239 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 70 SdHoareTripleChecker+Invalid, 240 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 239 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 11:26:51,400 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 70 Invalid, 240 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 239 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 11:26:51,400 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 283 states. [2024-11-09 11:26:51,410 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 283 to 281. [2024-11-09 11:26:51,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 281 states, 280 states have (on average 1.0071428571428571) internal successors, (282), 280 states have internal predecessors, (282), 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) [2024-11-09 11:26:51,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 281 states and 282 transitions. [2024-11-09 11:26:51,412 INFO L78 Accepts]: Start accepts. Automaton has 281 states and 282 transitions. Word has length 228 [2024-11-09 11:26:51,412 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:26:51,413 INFO L471 AbstractCegarLoop]: Abstraction has 281 states and 282 transitions. [2024-11-09 11:26:51,413 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 63 states, 63 states have (on average 4.555555555555555) internal successors, (287), 63 states have internal predecessors, (287), 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) [2024-11-09 11:26:51,413 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 282 transitions. [2024-11-09 11:26:51,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 281 [2024-11-09 11:26:51,421 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:26:51,425 INFO L215 NwaCegarLoop]: trace histogram [62, 47, 47, 47, 15, 15, 15, 15, 14, 1, 1, 1] [2024-11-09 11:26:51,443 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2024-11-09 11:26:51,626 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2024-11-09 11:26:51,626 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-09 11:26:51,626 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:26:51,627 INFO L85 PathProgramCache]: Analyzing trace with hash 1826728496, now seen corresponding path program 7 times [2024-11-09 11:26:51,627 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:26:51,627 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [226643855] [2024-11-09 11:26:51,627 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:26:51,627 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:26:51,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:26:53,547 INFO L134 CoverageAnalysis]: Checked inductivity of 6364 backedges. 1344 proven. 4418 refuted. 0 times theorem prover too weak. 602 trivial. 0 not checked. [2024-11-09 11:26:53,547 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:26:53,547 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [226643855] [2024-11-09 11:26:53,547 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [226643855] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:26:53,547 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [111084454] [2024-11-09 11:26:53,547 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-11-09 11:26:53,548 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:26:53,548 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:26:53,550 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) [2024-11-09 11:26:53,552 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-11-09 11:26:53,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:26:53,636 INFO L255 TraceCheckSpWp]: Trace formula consists of 451 conjuncts, 49 conjuncts are in the unsatisfiable core [2024-11-09 11:26:53,640 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:26:53,904 INFO L134 CoverageAnalysis]: Checked inductivity of 6364 backedges. 1344 proven. 4418 refuted. 0 times theorem prover too weak. 602 trivial. 0 not checked. [2024-11-09 11:26:53,904 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:26:55,149 INFO L134 CoverageAnalysis]: Checked inductivity of 6364 backedges. 1344 proven. 4418 refuted. 0 times theorem prover too weak. 602 trivial. 0 not checked. [2024-11-09 11:26:55,149 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [111084454] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 11:26:55,149 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 11:26:55,150 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [50, 50, 50] total 53 [2024-11-09 11:26:55,150 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [682220546] [2024-11-09 11:26:55,150 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 11:26:55,150 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 53 states [2024-11-09 11:26:55,151 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:26:55,151 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 53 interpolants. [2024-11-09 11:26:55,152 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1378, Invalid=1378, Unknown=0, NotChecked=0, Total=2756 [2024-11-09 11:26:55,152 INFO L87 Difference]: Start difference. First operand 281 states and 282 transitions. Second operand has 53 states, 53 states have (on average 4.037735849056604) internal successors, (214), 53 states have internal predecessors, (214), 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) [2024-11-09 11:26:55,376 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:26:55,377 INFO L93 Difference]: Finished difference Result 382 states and 386 transitions. [2024-11-09 11:26:55,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2024-11-09 11:26:55,377 INFO L78 Accepts]: Start accepts. Automaton has has 53 states, 53 states have (on average 4.037735849056604) internal successors, (214), 53 states have internal predecessors, (214), 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 280 [2024-11-09 11:26:55,378 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:26:55,379 INFO L225 Difference]: With dead ends: 382 [2024-11-09 11:26:55,379 INFO L226 Difference]: Without dead ends: 293 [2024-11-09 11:26:55,380 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 608 GetRequests, 511 SyntacticMatches, 46 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1315 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=1378, Invalid=1378, Unknown=0, NotChecked=0, Total=2756 [2024-11-09 11:26:55,382 INFO L432 NwaCegarLoop]: 8 mSDtfsCounter, 2 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 218 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 24 SdHoareTripleChecker+Invalid, 219 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 218 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 11:26:55,382 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 24 Invalid, 219 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 218 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 11:26:55,383 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 293 states. [2024-11-09 11:26:55,390 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 293 to 293. [2024-11-09 11:26:55,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 293 states, 292 states have (on average 1.0068493150684932) internal successors, (294), 292 states have internal predecessors, (294), 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) [2024-11-09 11:26:55,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 293 states and 294 transitions. [2024-11-09 11:26:55,392 INFO L78 Accepts]: Start accepts. Automaton has 293 states and 294 transitions. Word has length 280 [2024-11-09 11:26:55,393 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:26:55,393 INFO L471 AbstractCegarLoop]: Abstraction has 293 states and 294 transitions. [2024-11-09 11:26:55,393 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 53 states, 53 states have (on average 4.037735849056604) internal successors, (214), 53 states have internal predecessors, (214), 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) [2024-11-09 11:26:55,393 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 294 transitions. [2024-11-09 11:26:55,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 293 [2024-11-09 11:26:55,396 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:26:55,396 INFO L215 NwaCegarLoop]: trace histogram [65, 50, 50, 50, 15, 15, 15, 15, 14, 1, 1, 1] [2024-11-09 11:26:55,415 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2024-11-09 11:26:55,597 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2024-11-09 11:26:55,597 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-09 11:26:55,597 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:26:55,598 INFO L85 PathProgramCache]: Analyzing trace with hash 522020063, now seen corresponding path program 8 times [2024-11-09 11:26:55,598 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:26:55,598 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [443846024] [2024-11-09 11:26:55,598 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:26:55,598 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:26:55,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:26:56,032 INFO L134 CoverageAnalysis]: Checked inductivity of 7030 backedges. 0 proven. 2030 refuted. 0 times theorem prover too weak. 5000 trivial. 0 not checked. [2024-11-09 11:26:56,032 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:26:56,032 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [443846024] [2024-11-09 11:26:56,033 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [443846024] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:26:56,033 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1426977776] [2024-11-09 11:26:56,033 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-09 11:26:56,033 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:26:56,033 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:26:56,035 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) [2024-11-09 11:26:56,037 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-11-09 11:26:56,129 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-09 11:26:56,129 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-09 11:26:56,132 INFO L255 TraceCheckSpWp]: Trace formula consists of 469 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-09 11:26:56,135 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:26:56,423 INFO L134 CoverageAnalysis]: Checked inductivity of 7030 backedges. 0 proven. 2030 refuted. 0 times theorem prover too weak. 5000 trivial. 0 not checked. [2024-11-09 11:26:56,424 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:26:57,057 INFO L134 CoverageAnalysis]: Checked inductivity of 7030 backedges. 0 proven. 2030 refuted. 0 times theorem prover too weak. 5000 trivial. 0 not checked. [2024-11-09 11:26:57,057 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1426977776] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 11:26:57,057 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 11:26:57,057 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16, 16] total 31 [2024-11-09 11:26:57,058 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1727487322] [2024-11-09 11:26:57,058 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 11:26:57,062 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2024-11-09 11:26:57,062 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:26:57,063 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2024-11-09 11:26:57,063 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=496, Invalid=496, Unknown=0, NotChecked=0, Total=992 [2024-11-09 11:26:57,064 INFO L87 Difference]: Start difference. First operand 293 states and 294 transitions. Second operand has 32 states, 31 states have (on average 6.096774193548387) internal successors, (189), 32 states have internal predecessors, (189), 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) [2024-11-09 11:26:57,152 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:26:57,152 INFO L93 Difference]: Finished difference Result 390 states and 406 transitions. [2024-11-09 11:26:57,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-11-09 11:26:57,153 INFO L78 Accepts]: Start accepts. Automaton has has 32 states, 31 states have (on average 6.096774193548387) internal successors, (189), 32 states have internal predecessors, (189), 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 292 [2024-11-09 11:26:57,153 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:26:57,155 INFO L225 Difference]: With dead ends: 390 [2024-11-09 11:26:57,155 INFO L226 Difference]: Without dead ends: 389 [2024-11-09 11:26:57,156 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 598 GetRequests, 568 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=496, Invalid=496, Unknown=0, NotChecked=0, Total=992 [2024-11-09 11:26:57,156 INFO L432 NwaCegarLoop]: 10 mSDtfsCounter, 0 mSDsluCounter, 123 mSDsCounter, 0 mSdLazyCounter, 65 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 133 SdHoareTripleChecker+Invalid, 66 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 65 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 11:26:57,157 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 133 Invalid, 66 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 65 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 11:26:57,157 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 389 states. [2024-11-09 11:26:57,165 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 389 to 389. [2024-11-09 11:26:57,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 389 states, 388 states have (on average 1.0051546391752577) internal successors, (390), 388 states have internal predecessors, (390), 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) [2024-11-09 11:26:57,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 389 states to 389 states and 390 transitions. [2024-11-09 11:26:57,167 INFO L78 Accepts]: Start accepts. Automaton has 389 states and 390 transitions. Word has length 292 [2024-11-09 11:26:57,167 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:26:57,168 INFO L471 AbstractCegarLoop]: Abstraction has 389 states and 390 transitions. [2024-11-09 11:26:57,168 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 31 states have (on average 6.096774193548387) internal successors, (189), 32 states have internal predecessors, (189), 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) [2024-11-09 11:26:57,169 INFO L276 IsEmpty]: Start isEmpty. Operand 389 states and 390 transitions. [2024-11-09 11:26:57,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 389 [2024-11-09 11:26:57,174 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:26:57,174 INFO L215 NwaCegarLoop]: trace histogram [81, 50, 50, 50, 31, 31, 31, 31, 30, 1, 1, 1] [2024-11-09 11:26:57,192 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2024-11-09 11:26:57,375 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2024-11-09 11:26:57,376 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-09 11:26:57,376 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:26:57,376 INFO L85 PathProgramCache]: Analyzing trace with hash -1049536081, now seen corresponding path program 9 times [2024-11-09 11:26:57,376 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:26:57,376 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [251657480] [2024-11-09 11:26:57,376 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:26:57,376 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:26:57,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:26:58,488 INFO L134 CoverageAnalysis]: Checked inductivity of 10790 backedges. 0 proven. 5790 refuted. 0 times theorem prover too weak. 5000 trivial. 0 not checked. [2024-11-09 11:26:58,488 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:26:58,488 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [251657480] [2024-11-09 11:26:58,488 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [251657480] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:26:58,491 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1057452760] [2024-11-09 11:26:58,491 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-09 11:26:58,491 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:26:58,491 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:26:58,493 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) [2024-11-09 11:26:58,496 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-11-09 11:26:58,612 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 32 check-sat command(s) [2024-11-09 11:26:58,613 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-09 11:26:58,615 INFO L255 TraceCheckSpWp]: Trace formula consists of 509 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-11-09 11:26:58,619 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:26:59,038 INFO L134 CoverageAnalysis]: Checked inductivity of 10790 backedges. 0 proven. 5790 refuted. 0 times theorem prover too weak. 5000 trivial. 0 not checked. [2024-11-09 11:26:59,038 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:27:00,542 INFO L134 CoverageAnalysis]: Checked inductivity of 10790 backedges. 0 proven. 5790 refuted. 0 times theorem prover too weak. 5000 trivial. 0 not checked. [2024-11-09 11:27:00,543 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1057452760] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 11:27:00,543 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 11:27:00,543 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [32, 32, 32] total 63 [2024-11-09 11:27:00,543 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1779725302] [2024-11-09 11:27:00,543 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 11:27:00,544 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 64 states [2024-11-09 11:27:00,544 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:27:00,545 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 64 interpolants. [2024-11-09 11:27:00,546 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2016, Invalid=2016, Unknown=0, NotChecked=0, Total=4032 [2024-11-09 11:27:00,546 INFO L87 Difference]: Start difference. First operand 389 states and 390 transitions. Second operand has 64 states, 63 states have (on average 6.0476190476190474) internal successors, (381), 64 states have internal predecessors, (381), 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) [2024-11-09 11:27:00,723 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:27:00,723 INFO L93 Difference]: Finished difference Result 582 states and 614 transitions. [2024-11-09 11:27:00,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2024-11-09 11:27:00,724 INFO L78 Accepts]: Start accepts. Automaton has has 64 states, 63 states have (on average 6.0476190476190474) internal successors, (381), 64 states have internal predecessors, (381), 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 388 [2024-11-09 11:27:00,724 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:27:00,727 INFO L225 Difference]: With dead ends: 582 [2024-11-09 11:27:00,727 INFO L226 Difference]: Without dead ends: 581 [2024-11-09 11:27:00,728 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 806 GetRequests, 744 SyntacticMatches, 0 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=2016, Invalid=2016, Unknown=0, NotChecked=0, Total=4032 [2024-11-09 11:27:00,729 INFO L432 NwaCegarLoop]: 10 mSDtfsCounter, 0 mSDsluCounter, 251 mSDsCounter, 0 mSdLazyCounter, 129 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 261 SdHoareTripleChecker+Invalid, 130 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 129 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 11:27:00,729 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 261 Invalid, 130 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 129 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 11:27:00,730 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 581 states. [2024-11-09 11:27:00,748 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 581 to 581. [2024-11-09 11:27:00,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 581 states, 580 states have (on average 1.0034482758620689) internal successors, (582), 580 states have internal predecessors, (582), 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) [2024-11-09 11:27:00,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 581 states to 581 states and 582 transitions. [2024-11-09 11:27:00,750 INFO L78 Accepts]: Start accepts. Automaton has 581 states and 582 transitions. Word has length 388 [2024-11-09 11:27:00,751 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:27:00,751 INFO L471 AbstractCegarLoop]: Abstraction has 581 states and 582 transitions. [2024-11-09 11:27:00,751 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 64 states, 63 states have (on average 6.0476190476190474) internal successors, (381), 64 states have internal predecessors, (381), 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) [2024-11-09 11:27:00,751 INFO L276 IsEmpty]: Start isEmpty. Operand 581 states and 582 transitions. [2024-11-09 11:27:00,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 581 [2024-11-09 11:27:00,754 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:27:00,755 INFO L215 NwaCegarLoop]: trace histogram [113, 63, 63, 63, 63, 62, 50, 50, 50, 1, 1, 1] [2024-11-09 11:27:00,768 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2024-11-09 11:27:00,955 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:27:00,956 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-09 11:27:00,956 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:27:00,956 INFO L85 PathProgramCache]: Analyzing trace with hash 374866767, now seen corresponding path program 10 times [2024-11-09 11:27:00,956 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:27:00,956 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1088944320] [2024-11-09 11:27:00,956 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:27:00,957 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:27:01,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:27:04,325 INFO L134 CoverageAnalysis]: Checked inductivity of 22918 backedges. 0 proven. 17918 refuted. 0 times theorem prover too weak. 5000 trivial. 0 not checked. [2024-11-09 11:27:04,325 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:27:04,325 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1088944320] [2024-11-09 11:27:04,325 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1088944320] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:27:04,325 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2051221465] [2024-11-09 11:27:04,326 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-09 11:27:04,326 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:27:04,326 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:27:04,328 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) [2024-11-09 11:27:04,330 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-11-09 11:27:04,479 INFO L227 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-09 11:27:04,479 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-09 11:27:04,483 INFO L255 TraceCheckSpWp]: Trace formula consists of 949 conjuncts, 52 conjuncts are in the unsatisfiable core [2024-11-09 11:27:04,489 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:27:06,788 INFO L134 CoverageAnalysis]: Checked inductivity of 22918 backedges. 17462 proven. 0 refuted. 0 times theorem prover too weak. 5456 trivial. 0 not checked. [2024-11-09 11:27:06,789 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 11:27:06,789 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2051221465] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:27:06,789 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 11:27:06,790 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [53] imperfect sequences [64] total 116 [2024-11-09 11:27:06,790 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1562983241] [2024-11-09 11:27:06,790 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:27:06,791 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 53 states [2024-11-09 11:27:06,791 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:27:06,792 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 53 interpolants. [2024-11-09 11:27:06,795 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3457, Invalid=9883, Unknown=0, NotChecked=0, Total=13340 [2024-11-09 11:27:06,796 INFO L87 Difference]: Start difference. First operand 581 states and 582 transitions. Second operand has 53 states, 53 states have (on average 5.90566037735849) internal successors, (313), 53 states have internal predecessors, (313), 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) [2024-11-09 11:27:07,265 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:27:07,265 INFO L93 Difference]: Finished difference Result 581 states and 582 transitions. [2024-11-09 11:27:07,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2024-11-09 11:27:07,266 INFO L78 Accepts]: Start accepts. Automaton has has 53 states, 53 states have (on average 5.90566037735849) internal successors, (313), 53 states have internal predecessors, (313), 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 580 [2024-11-09 11:27:07,266 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:27:07,266 INFO L225 Difference]: With dead ends: 581 [2024-11-09 11:27:07,267 INFO L226 Difference]: Without dead ends: 0 [2024-11-09 11:27:07,270 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 643 GetRequests, 529 SyntacticMatches, 0 SemanticMatches, 114 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3162 ImplicationChecksByTransitivity, 3.4s TimeCoverageRelationStatistics Valid=3457, Invalid=9883, Unknown=0, NotChecked=0, Total=13340 [2024-11-09 11:27:07,271 INFO L432 NwaCegarLoop]: 107 mSDtfsCounter, 0 mSDsluCounter, 336 mSDsCounter, 0 mSdLazyCounter, 900 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 443 SdHoareTripleChecker+Invalid, 900 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 900 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-09 11:27:07,271 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 443 Invalid, 900 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 900 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-09 11:27:07,271 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-09 11:27:07,272 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-09 11:27:07,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:27:07,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-09 11:27:07,272 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 580 [2024-11-09 11:27:07,272 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:27:07,272 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-09 11:27:07,272 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 53 states, 53 states have (on average 5.90566037735849) internal successors, (313), 53 states have internal predecessors, (313), 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) [2024-11-09 11:27:07,272 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-09 11:27:07,272 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-09 11:27:07,275 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 6 remaining) [2024-11-09 11:27:07,275 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 6 remaining) [2024-11-09 11:27:07,275 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 6 remaining) [2024-11-09 11:27:07,275 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 6 remaining) [2024-11-09 11:27:07,275 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 6 remaining) [2024-11-09 11:27:07,275 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 6 remaining) [2024-11-09 11:27:07,288 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2024-11-09 11:27:07,476 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2024-11-09 11:27:07,479 INFO L407 BasicCegarLoop]: Path program histogram: [10, 1, 1, 1, 1, 1, 1] [2024-11-09 11:27:07,482 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-09 11:27:09,048 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-09 11:27:09,080 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 11:27:09 BoogieIcfgContainer [2024-11-09 11:27:09,083 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-09 11:27:09,084 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 11:27:09,084 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 11:27:09,084 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 11:27:09,085 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 11:26:39" (3/4) ... [2024-11-09 11:27:09,087 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-09 11:27:09,095 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2024-11-09 11:27:09,095 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-09 11:27:09,095 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-09 11:27:09,096 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-09 11:27:09,188 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-09 11:27:09,189 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-09 11:27:09,189 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 11:27:09,189 INFO L158 Benchmark]: Toolchain (without parser) took 30353.14ms. Allocated memory was 155.2MB in the beginning and 469.8MB in the end (delta: 314.6MB). Free memory was 120.0MB in the beginning and 350.1MB in the end (delta: -230.1MB). Peak memory consumption was 83.2MB. Max. memory is 16.1GB. [2024-11-09 11:27:09,190 INFO L158 Benchmark]: CDTParser took 0.97ms. Allocated memory is still 104.9MB. Free memory was 75.1MB in the beginning and 75.1MB in the end (delta: 83.3kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 11:27:09,190 INFO L158 Benchmark]: CACSL2BoogieTranslator took 223.13ms. Allocated memory is still 155.2MB. Free memory was 120.0MB in the beginning and 107.4MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-09 11:27:09,190 INFO L158 Benchmark]: Boogie Procedure Inliner took 25.98ms. Allocated memory is still 155.2MB. Free memory was 107.4MB in the beginning and 106.5MB in the end (delta: 886.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 11:27:09,190 INFO L158 Benchmark]: Boogie Preprocessor took 27.73ms. Allocated memory is still 155.2MB. Free memory was 106.5MB in the beginning and 104.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 11:27:09,190 INFO L158 Benchmark]: RCFGBuilder took 339.24ms. Allocated memory is still 155.2MB. Free memory was 104.4MB in the beginning and 126.5MB in the end (delta: -22.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-09 11:27:09,191 INFO L158 Benchmark]: TraceAbstraction took 29622.11ms. Allocated memory was 155.2MB in the beginning and 469.8MB in the end (delta: 314.6MB). Free memory was 126.5MB in the beginning and 354.3MB in the end (delta: -227.8MB). Peak memory consumption was 284.8MB. Max. memory is 16.1GB. [2024-11-09 11:27:09,191 INFO L158 Benchmark]: Witness Printer took 105.11ms. Allocated memory is still 469.8MB. Free memory was 354.3MB in the beginning and 350.1MB in the end (delta: 4.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 11:27:09,192 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.97ms. Allocated memory is still 104.9MB. Free memory was 75.1MB in the beginning and 75.1MB in the end (delta: 83.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 223.13ms. Allocated memory is still 155.2MB. Free memory was 120.0MB in the beginning and 107.4MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 25.98ms. Allocated memory is still 155.2MB. Free memory was 107.4MB in the beginning and 106.5MB in the end (delta: 886.4kB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 27.73ms. Allocated memory is still 155.2MB. Free memory was 106.5MB in the beginning and 104.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 339.24ms. Allocated memory is still 155.2MB. Free memory was 104.4MB in the beginning and 126.5MB in the end (delta: -22.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 29622.11ms. Allocated memory was 155.2MB in the beginning and 469.8MB in the end (delta: 314.6MB). Free memory was 126.5MB in the beginning and 354.3MB in the end (delta: -227.8MB). Peak memory consumption was 284.8MB. Max. memory is 16.1GB. * Witness Printer took 105.11ms. Allocated memory is still 469.8MB. Free memory was 354.3MB in the beginning and 350.1MB in the end (delta: 4.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 29]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 29]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 31]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 31]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 32]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 32]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 25 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 27.9s, OverallIterations: 16, TraceHistogramMax: 113, PathProgramHistogramMax: 10, EmptinessCheckTime: 0.0s, AutomataDifference: 3.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 44 SdHoareTripleChecker+Valid, 1.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 44 mSDsluCounter, 1146 SdHoareTripleChecker+Invalid, 1.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 900 mSDsCounter, 23 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2023 IncrementalHoareTripleChecker+Invalid, 2046 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 23 mSolverCounterUnsat, 246 mSDtfsCounter, 2023 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 3970 GetRequests, 3440 SyntacticMatches, 46 SemanticMatches, 484 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6398 ImplicationChecksByTransitivity, 11.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=581occurred in iteration=15, InterpolantAutomatonStates: 383, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 16 MinimizatonAttempts, 4 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 19.6s InterpolantComputationTime, 4291 NumberOfCodeBlocks, 4047 NumberOfCodeBlocksAsserted, 106 NumberOfCheckSat, 5763 ConstructedInterpolants, 0 QuantifiedInterpolants, 15419 SizeOfPredicates, 0 NumberOfNonLiveVariables, 3244 ConjunctsInSsa, 217 ConjunctsInUnsatCore, 40 InterpolantComputations, 7 PerfectInterpolantSequences, 75501/139494 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 6 specifications checked. All of them hold - InvariantResult [Line: 27]: Loop Invariant Derived loop invariant: ((((((((((((((((((((((((((((((((((((((((((((((((((((((y <= 65) && (65 <= x)) && (50 <= y)) || (((y <= 59) && (50 <= y)) && (59 <= x))) || (((y <= 2147483620) && (85 <= x)) && (50 <= y))) || (((y <= 2147483628) && (93 <= x)) && (50 <= y))) || (((80 <= x) && (y <= 80)) && (50 <= y))) || (((98 <= x) && (y <= 2147483633)) && (50 <= y))) || (((y <= 2147483621) && (86 <= x)) && (50 <= y))) || (((60 <= x) && (y <= 60)) && (50 <= y))) || (((y <= 53) && (50 <= y)) && (53 <= x))) || (((72 <= x) && (50 <= y)) && (y <= 72))) || (((92 <= x) && (y <= 2147483627)) && (50 <= y))) || (((78 <= x) && (y <= 78)) && (50 <= y))) || (((64 <= x) && (y <= 64)) && (50 <= y))) || (((y <= 2147483630) && (95 <= x)) && (50 <= y))) || ((y == 50) && (x == 0))) || (((y <= 79) && (50 <= y)) && (79 <= x))) || (((y <= 76) && (76 <= x)) && (50 <= y))) || (((y <= 73) && (50 <= y)) && (73 <= x))) || (((70 <= x) && (y <= 70)) && (50 <= y))) || (((63 <= x) && (y <= 63)) && (50 <= y))) || (((y <= 75) && (75 <= x)) && (50 <= y))) || (((100 <= x) && (y <= 2147483635)) && (50 <= y))) || (((89 <= x) && (y <= 2147483624)) && (50 <= y))) || (((y <= 2147483618) && (83 <= x)) && (50 <= y))) || (((y <= 56) && (56 <= x)) && (50 <= y))) || (((82 <= x) && (y <= 2147483617)) && (50 <= y))) || (((y <= 2147483632) && (97 <= x)) && (50 <= y))) || (((y <= 55) && (55 <= x)) && (50 <= y))) || (((y <= 2147483623) && (88 <= x)) && (50 <= y))) || (((62 <= x) && (50 <= y)) && (y <= 62))) || (((94 <= x) && (y <= 2147483629)) && (50 <= y))) || ((y == 50) && (1 <= x))) || (((y <= 58) && (58 <= x)) && (50 <= y))) || (((87 <= x) && (y <= 2147483622)) && (50 <= y))) || (((y <= 66) && (66 <= x)) && (50 <= y))) || (((y <= 77) && (50 <= y)) && (77 <= x))) || (((90 <= x) && (y <= 2147483625)) && (50 <= y))) || (((61 <= x) && (y <= 61)) && (50 <= y))) || (((y <= 74) && (74 <= x)) && (50 <= y))) || (((y <= 2147483619) && (84 <= x)) && (50 <= y))) || (((y <= 2147483626) && (91 <= x)) && (50 <= y))) || (((y <= 71) && (71 <= x)) && (50 <= y))) || (((81 <= x) && (y <= 2147483616)) && (50 <= y))) || (((y <= 52) && (52 <= x)) && (50 <= y))) || (((51 <= x) && (50 <= y)) && (y <= 51))) || (((69 <= x) && (y <= 69)) && (50 <= y))) || (((99 <= x) && (y <= 2147483634)) && (50 <= y))) || (((54 <= x) && (50 <= y)) && (y <= 54))) || (((57 <= x) && (y <= 57)) && (50 <= y))) || (((67 <= x) && (y <= 67)) && (50 <= y))) || (((y <= 2147483631) && (96 <= x)) && (50 <= y))) || (((y <= 68) && (68 <= x)) && (50 <= y))) RESULT: Ultimate proved your program to be correct! [2024-11-09 11:27:09,222 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE